SEC CIK 898860
FROST PHILLIP MD ET AL
Reported ownership across 6 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| OPKview stock → | 216,706,448 | 2025-11-21 |
| PLXview stock → | 7,633,007 | 2009-09-10 |
| FLNTview stock → | 7,294,403 | 2025-09-04 |
| NOCview stock → | 11,277 | 2009-03-31 |
| NAGEview stock → | 0 | 2013-12-30 |
| RDVTview stock → | 0 | 2020-12-17 |
Position History — OPK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — OPK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2025-11-21 | Open-market buy | 192,870 | $1.33 | 216,706,448 |
| 2025-11-21 | Open-market buy | 191,490 | $1.33 | 216,513,578 |
| 2025-11-21 | Open-market buy | 89,375 | $1.32 | 216,322,088 |
| 2025-11-21 | Open-market buy | 3,894 | $1.32 | 216,232,713 |
| 2025-11-21 | Open-market buy | 102,371 | $1.30 | 216,228,819 |
| 2025-11-20 | Open-market buy | 13,664 | $1.35 | 216,126,448 |
| 2025-11-20 | Open-market buy | 1,757 | $1.34 | 216,112,784 |
| 2025-11-20 | Open-market buy | 24,579 | $1.34 | 216,111,027 |
| 2025-11-20 | Open-market buy | 161,818 | $1.33 | 216,086,448 |
| 2025-11-20 | Open-market buy | 211,948 | $1.33 | 215,924,630 |
| 2025-11-20 | Open-market buy | 47,105 | $1.32 | 215,712,682 |
| 2025-11-20 | Open-market buy | 119,129 | $1.32 | 215,665,577 |
| 2025-11-19 | Open-market buy | 155,496 | $1.32 | 215,546,448 |
| 2025-11-19 | Open-market buy | 198,904 | $1.31 | 215,390,952 |
| 2025-11-19 | Open-market buy | 66,504 | $1.31 | 215,192,048 |
| 2025-11-19 | Open-market buy | 12,993 | $1.30 | 215,125,544 |
| 2025-11-19 | Open-market buy | 30,082 | $1.30 | 215,112,551 |
| 2025-11-19 | Open-market buy | 21,236 | $1.29 | 215,082,469 |
| 2025-11-19 | Open-market buy | 300 | $1.29 | 215,061,233 |
| 2025-11-19 | Open-market buy | 58,160 | $1.28 | 215,060,933 |
| 2025-11-19 | Open-market buy | 36,325 | $1.28 | 215,002,773 |
| 2025-11-18 | Open-market buy | 33,572 | $1.29 | 214,966,448 |
| 2025-11-18 | Open-market buy | 1 | $1.29 | 214,932,876 |
| 2025-11-18 | Open-market buy | 83,556 | $1.28 | 214,932,875 |
| 2025-11-18 | Open-market buy | 428 | $1.28 | 214,849,319 |
| 2025-11-18 | Open-market buy | 69,728 | $1.28 | 214,848,891 |
| 2025-11-18 | Open-market buy | 212,608 | $1.27 | 214,779,163 |
| 2025-11-18 | Open-market buy | 1,772 | $1.27 | 214,566,555 |
| 2025-11-18 | Open-market buy | 15,000 | $1.26 | 214,564,783 |
| 2025-11-18 | Grant / award | 46,700 | $1.26 | 214,549,783 |
| 2025-11-18 | Open-market buy | 66,635 | $1.25 | 214,503,083 |
| 2025-11-18 | Open-market buy | 49,590 | $1.25 | 214,436,448 |
| 2025-11-18 | Open-market buy | 410 | $1.25 | 214,386,858 |
| 2025-10-31 | Open-market buy | 150,000 | $1.42 | 214,386,448 |
| 2025-08-18 | Gift | 440,000 | $0.00 | 214,236,448 |
| 2025-08-08 | Open-market buy | 675,000 | $1.32 | 214,676,448 |
| 2025-05-27 | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2025-04-10 | Open-market buy | 125,000 | $1.36 | 214,001,448 |
| 2025-04-08 | Open-market buy | 125,000 | $1.48 | 213,876,448 |
| 2025-04-01 | Open-market buy | 100,000 | $1.65 | 213,751,448 |
| 2025-03-28 | Open-market buy | 150,000 | $1.70 | 213,651,448 |
| 2025-03-17 | Open-market buy | 200,000 | $1.74 | 213,501,448 |
| 2025-03-04 | Open-market buy (derivative) | — | $436500.00 | — |
| 2025-03-03 | Open-market buy (derivative) | — | $1707125.00 | — |
| 2025-03-03 | Open-market buy (derivative) | — | $1703250.00 | — |
| 2025-02-28 | Open-market buy (derivative) | — | $1652750.00 | — |
| 2025-02-28 | Open-market buy | 67,434 | $1.71 | 213,301,448 |
| 2025-01-28 | Open-market buy | 47,537 | $1.47 | 213,234,014 |
| 2025-01-17 | Open-market buy | 150,000 | $1.47 | 213,186,477 |
| 2025-01-15 | Open-market buy | 500,000 | $1.48 | 213,036,477 |
| 2024-12-13 | Open-market buy | 125,000 | $1.60 | 212,536,477 |
| 2024-12-11 | Open-market buy | 500,000 | $1.56 | 212,411,477 |
| 2024-11-29 | Open-market buy | 199,072 | $1.53 | 211,911,477 |
| 2024-11-22 | Open-market buy | 100,000 | $1.59 | 211,712,405 |
| 2024-11-14 | Open-market buy | 100,000 | $1.62 | 211,612,405 |
| 2024-11-08 | Open-market buy | 280,183 | $1.50 | 211,512,405 |
| 2024-11-08 | Open-market buy | 280,183 | $1.50 | 211,512,405 |
| 2024-09-27 | Open-market buy (derivative) | — | $2541737.50 | — |
| 2024-09-25 | Open-market buy (derivative) | — | $1571050.00 | — |
| 2024-09-25 | Open-market buy (derivative) | — | $1571050.00 | — |
| 2024-07-24 | Grant / award | 500,000 | $0.00 | 3,568,951 |
| 2024-05-23 | Open-market buy | 770 | $1.27 | 211,232,222 |
| 2024-05-23 | Open-market buy | 99,230 | $1.27 | 211,231,452 |
| 2024-05-17 | Open-market buy | 163,997 | $1.29 | 211,132,222 |
| 2024-03-18 | Open-market buy | 500,000 | $0.87 | 210,968,225 |
| 2024-03-14 | Open-market buy | 500,000 | $0.89 | 210,468,225 |
| 2024-03-13 | Open-market buy | 500,000 | $0.93 | 209,968,225 |
| 2024-03-12 | Open-market buy | 600,000 | $0.93 | 209,468,225 |
| 2024-02-28 | Open-market buy | 500,000 | $0.99 | 208,868,225 |
| 2024-02-21 | Open-market buy | 1,000,000 | $0.99 | 208,368,225 |
| 2024-02-07 | Open-market buy | 1,500,000 | $0.98 | 207,368,225 |
| 2024-01-19 | Open-market buy | 500,000 | $0.98 | 205,868,225 |
| 2024-01-18 | Open-market buy | 400,000 | $0.97 | 205,368,225 |
| 2024-01-16 | Open-market buy | 1,000,000 | $0.95 | 204,968,225 |
| 2024-01-11 | Open-market buy | 511,531 | $0.94 | 203,968,225 |
| 2024-01-05 | Open-market buy | 1,500,000 | $0.90 | 203,456,694 |
| 2024-01-04 | Disposition to issuer (derivative) | — | — | — |
| 2024-01-04 | Grant / award (derivative) | — | — | — |
| 2023-11-10 | Open-market buy | 4,500 | $1.27 | 201,878,020 |
| 2023-11-10 | Open-market buy | 24,300 | $1.27 | 201,873,520 |
| 2023-11-10 | Open-market buy | 400 | $1.26 | 201,849,220 |
| 2023-11-10 | Open-market buy | 138,871 | $1.26 | 201,848,820 |
| 2023-11-10 | Open-market buy | 39,202 | $1.26 | 201,709,949 |
| 2023-11-10 | Open-market buy | 500 | $1.25 | 201,670,747 |
| 2023-11-10 | Open-market buy | 49,481 | $1.25 | 201,670,247 |
| 2023-11-10 | Open-market buy | 19,072 | $1.25 | 201,620,766 |
| 2023-11-10 | Open-market buy | 5,324 | $1.24 | 201,601,694 |
| 2023-11-10 | Open-market buy | 50,000 | $1.24 | 201,596,370 |
| 2023-11-10 | Open-market buy | 87,776 | $1.23 | 201,546,370 |
| 2023-11-10 | Open-market buy | 1,900 | $1.22 | 201,458,594 |
| 2023-11-10 | Open-market buy | 78,674 | $1.27 | 201,956,694 |
| 2023-11-09 | Open-market buy | 48,100 | $1.30 | 201,456,694 |
| 2023-11-09 | Open-market buy | 67,147 | $1.30 | 201,408,594 |
| 2023-11-09 | Open-market buy | 62,480 | $1.29 | 201,341,447 |
| 2023-11-09 | Open-market buy | 12,273 | $1.29 | 201,278,967 |
| 2023-11-09 | Open-market buy | 149,763 | $1.28 | 201,266,694 |
| 2023-11-09 | Open-market buy | 93,319 | $1.28 | 201,116,931 |
| 2023-11-09 | Open-market buy | 618 | $1.27 | 201,023,612 |
| 2023-11-09 | Open-market buy | 56,199 | $1.27 | 201,022,994 |
| 2023-11-09 | Open-market buy | 10,101 | $1.27 | 200,966,795 |
| 2023-08-17 | Open-market buy | 6,168 | $1.77 | 200,941,894 |
| 2023-08-17 | Open-market buy | 23,264 | $1.76 | 200,935,726 |
| 2023-08-17 | Open-market buy | 14,800 | $1.78 | 200,956,694 |
| 2023-08-17 | Open-market buy | 1,850 | $1.76 | 200,912,462 |
| 2023-08-17 | Open-market buy | 3,918 | $1.76 | 200,910,612 |
| 2023-08-17 | Open-market buy | 47,050 | $1.75 | 200,906,694 |
| 2023-08-17 | Open-market buy | 1,450 | $1.75 | 200,859,644 |
| 2023-08-17 | Open-market buy | 1,500 | $1.74 | 200,858,194 |
| 2023-08-14 | Open-market buy | 3,900 | $1.76 | 200,852,771 |
| 2023-08-14 | Open-market buy | 9,819 | $1.75 | 200,791,513 |
| 2023-08-14 | Open-market buy | 57,358 | $1.75 | 200,848,871 |
| 2023-08-14 | Open-market buy | 3,923 | $1.76 | 200,856,694 |
| 2023-08-09 | Open-market buy | 25,752 | $1.82 | 200,733,694 |
| 2023-08-09 | Open-market buy | 20,843 | $1.81 | 200,707,942 |
| 2023-08-09 | Open-market buy | 5,405 | $1.81 | 200,687,099 |
| 2023-08-09 | Open-market buy | 6,389 | $1.83 | 200,767,883 |
| 2023-08-09 | Open-market buy | 13,811 | $1.83 | 200,781,694 |
| 2023-08-09 | Open-market buy | 27,800 | $1.82 | 200,761,494 |
| 2023-08-07 | Open-market buy | 177,580 | $1.83 | 200,315,460 |
| 2023-08-07 | Open-market buy | 3,400 | $1.82 | 200,079,079 |
| 2023-08-07 | Open-market buy | 43,885 | $1.82 | 200,075,679 |
| 2023-08-07 | Open-market buy | 100 | $1.82 | 200,031,794 |
| 2023-08-07 | Open-market buy | 25,768 | $1.86 | 200,681,694 |
| 2023-08-07 | Open-market buy | 21,432 | $1.86 | 200,655,926 |
| 2023-08-07 | Open-market buy | 160,243 | $1.85 | 200,634,494 |
| 2023-08-07 | Open-market buy | 9,100 | $1.85 | 200,474,251 |
| 2023-08-07 | Open-market buy | 45,527 | $1.85 | 200,465,151 |
| 2023-08-07 | Open-market buy | 100 | $1.84 | 200,419,624 |
| 2023-08-07 | Open-market buy | 70,000 | $1.84 | 200,419,524 |
| 2023-08-07 | Open-market buy | 33,564 | $1.84 | 200,349,524 |
| 2023-08-07 | Open-market buy | 500 | $1.83 | 200,315,960 |
| 2023-08-07 | Open-market buy | 54,271 | $1.83 | 200,133,350 |
| 2023-08-07 | Open-market buy | 4,530 | $1.83 | 200,137,880 |
| 2023-05-18 | Grant / award (derivative) | 800,000 | $0.00 | 800,000 |
| 2023-03-22 | Open-market buy | 57,100 | $1.32 | 199,889,494 |
| 2023-03-22 | Open-market buy | 116,648 | $1.33 | 200,031,342 |
| 2023-03-22 | Open-market buy | 700 | $1.31 | 199,832,394 |
| 2023-03-22 | Open-market buy | 25,200 | $1.32 | 199,914,694 |
| 2023-03-22 | Open-market buy | 352 | $1.33 | 200,031,694 |
| 2023-03-08 | Open-market buy | 300 | $1.12 | 198,831,994 |
| 2023-03-08 | Open-market buy | 1,200 | $1.24 | 199,556,238 |
| 2023-03-08 | Open-market buy | 11,556 | $1.24 | 199,567,794 |
| 2023-03-08 | Open-market buy | 11,300 | $1.25 | 199,579,094 |
| 2023-03-08 | Open-market buy | 7,958 | $1.23 | 199,539,652 |
| 2023-03-08 | Open-market buy | 20,700 | $1.16 | 199,531,694 |
| 2023-03-08 | Open-market buy | 59,117 | $1.16 | 199,510,994 |
| 2023-03-08 | Open-market buy | 1,000 | $1.15 | 199,451,877 |
| 2023-03-08 | Open-market buy | 81,336 | $1.15 | 199,450,877 |
| 2023-03-08 | Open-market buy | 1,900 | $1.15 | 199,369,541 |
| 2023-03-08 | Open-market buy | 13,569 | $1.15 | 199,367,641 |
| 2023-03-08 | Open-market buy | 348,101 | $1.14 | 199,354,072 |
| 2023-03-08 | Open-market buy | 107,200 | $1.14 | 199,005,971 |
| 2023-03-08 | Open-market buy | 5,700 | $1.13 | 198,898,771 |
| 2023-03-08 | Open-market buy | 22,049 | $1.13 | 198,893,071 |
| 2023-03-08 | Open-market buy | 39,028 | $1.13 | 198,871,022 |
| 2023-03-08 | Open-market buy | 15,386 | $1.23 | 199,555,038 |
| 2023-03-08 | Open-market buy | 20,000 | $1.29 | 199,831,694 |
| 2023-03-08 | Open-market buy | 6,037 | $1.28 | 199,811,694 |
| 2023-03-08 | Open-market buy | 34,812 | $1.27 | 199,805,657 |
| 2023-03-08 | Open-market buy | 7,341 | $1.27 | 199,770,845 |
| 2023-03-08 | Open-market buy | 2,700 | $1.26 | 199,763,504 |
| 2023-03-08 | Open-market buy | 89,710 | $1.26 | 199,760,804 |
| 2023-03-08 | Open-market buy | 92,000 | $1.25 | 199,671,094 |
| 2023-02-10 | Grant / award (derivative) | — | $25000000.00 | 25,000,000 |
| 2023-02-10 | Disposition to issuer (derivative) | — | $25000000.00 | 0 |
| 2022-11-22 | Open-market buy | 75,496 | $1.50 | 198,805,694 |
| 2022-11-22 | Open-market buy | 58,006 | $1.48 | 198,623,947 |
| 2022-11-22 | Open-market buy | 34,247 | $1.48 | 198,565,941 |
| 2022-11-22 | Open-market buy | 11,551 | $1.49 | 198,730,198 |
| 2022-11-22 | Open-market buy | 1,200 | $1.48 | 198,625,147 |
| 2022-11-22 | Open-market buy | 93,500 | $1.49 | 198,718,647 |
| 2022-11-22 | Open-market buy | 19,655 | $1.51 | 198,831,694 |
| 2022-11-22 | Open-market buy | 6,345 | $1.51 | 198,812,039 |
| 2022-11-09 | Open-market buy | 22,927 | $1.64 | 198,531,694 |
| 2022-11-09 | Open-market buy | 11,573 | $1.64 | 198,508,767 |
| 2022-11-09 | Open-market buy | 4,000 | $1.64 | 198,497,194 |
| 2022-11-09 | Open-market buy | 11,500 | $1.64 | 198,493,194 |
| 2022-11-09 | Open-market buy | 45,197 | $1.60 | 198,481,694 |
| 2022-11-09 | Open-market buy | 2,048 | $1.60 | 198,436,497 |
| 2022-11-09 | Open-market buy | 2,755 | $1.60 | 198,434,449 |
| 2022-11-09 | Open-market buy | 3,512 | $1.59 | 198,431,694 |
| 2022-11-09 | Open-market buy | 2,700 | $1.59 | 198,428,182 |
| 2022-11-09 | Open-market buy | 22,800 | $1.58 | 198,425,482 |
| 2022-11-09 | Open-market buy | 20,900 | $1.58 | 198,402,682 |
| 2022-11-09 | Open-market buy | 6,300 | $1.58 | 198,381,782 |
| 2022-11-09 | Open-market buy | 35,100 | $1.57 | 198,375,482 |
| 2022-11-09 | Open-market buy | 8,688 | $1.57 | 198,340,382 |
| 2022-10-27 | Open-market buy | 4,900 | $1.83 | 198,296,707 |
| 2022-10-27 | Open-market buy | 3,600 | $1.83 | 198,291,807 |
| 2022-10-27 | Open-market buy | 23,875 | $1.82 | 198,288,207 |
| 2022-10-27 | Open-market buy | 200 | $1.82 | 198,264,332 |
| 2022-10-27 | Open-market buy | 14,387 | $1.84 | 198,331,694 |
| 2022-10-27 | Open-market buy | 190 | $1.81 | 198,263,207 |
| 2022-10-27 | Open-market buy | 30,723 | $1.81 | 198,263,017 |
| 2022-10-27 | Open-market buy | 600 | $1.80 | 198,232,294 |
| 2022-10-27 | Open-market buy | 20,600 | $1.83 | 198,317,307 |
| 2022-10-27 | Open-market buy | 925 | $1.82 | 198,264,132 |
| 2022-10-19 | Open-market buy | 6,900 | $1.71 | 198,180,262 |
| 2022-10-19 | Open-market buy | 50,732 | $1.74 | 198,231,694 |
| 2022-10-19 | Open-market buy | 700 | $1.74 | 198,180,962 |
| 2022-10-19 | Open-market buy | 11,188 | $1.70 | 198,142,882 |
| 2022-10-19 | Open-market buy | 480 | $1.71 | 198,173,362 |
| 2022-10-19 | Open-market buy | 30,000 | $1.70 | 198,172,882 |
| 2022-10-14 | Open-market buy | 60,300 | $1.72 | 198,122,208 |
| 2022-10-14 | Open-market buy | 30,214 | $1.72 | 198,061,908 |
| 2022-10-14 | Open-market buy | 8,086 | $1.73 | 198,130,294 |
| 2022-10-14 | Open-market buy | 1,400 | $1.74 | 198,131,694 |
| 2022-10-13 | Open-market buy | 46,100 | $1.80 | 198,031,694 |
| 2022-10-13 | Open-market buy | 3,900 | $1.80 | 197,985,594 |
| 2022-10-13 | Open-market buy | 27,362 | $1.79 | 197,981,694 |
| 2022-10-13 | Open-market buy | 22,638 | $1.79 | 197,954,332 |
| 2022-10-12 | Open-market buy | 23,775 | $1.72 | 197,863,921 |
| 2022-10-12 | Open-market buy | 26,460 | $1.73 | 197,906,694 |
| 2022-10-12 | Open-market buy | 16,313 | $1.73 | 197,880,234 |
| 2022-10-12 | Open-market buy | 25,000 | $1.74 | 197,931,694 |
| 2022-10-12 | Open-market buy | 152 | $1.72 | 197,840,146 |
| 2022-10-12 | Open-market buy | 300 | $1.71 | 197,839,994 |
| 2022-10-12 | Open-market buy | 8,000 | $1.71 | 197,839,694 |
| 2022-10-07 | Open-market buy | 4,800 | $1.79 | 197,831,694 |
| 2022-10-07 | Open-market buy | 22,359 | $1.77 | 197,804,053 |
| 2022-10-07 | Open-market buy | 7,641 | $1.77 | 197,811,694 |
| 2022-10-07 | Open-market buy | 2,400 | $1.78 | 197,814,094 |
| 2022-10-07 | Open-market buy | 12,800 | $1.78 | 197,826,894 |
| 2022-10-07 | Open-market buy | 25,000 | $1.76 | 197,781,694 |
| 2022-09-26 | Open-market buy | 23,291 | $1.79 | 197,731,694 |
| 2022-09-26 | Open-market buy | 2,400 | $1.81 | 197,734,094 |
| 2022-09-26 | Open-market buy | 22,600 | $1.81 | 197,756,694 |
| 2022-09-26 | Open-market buy | 1,709 | $1.79 | 197,708,403 |
| 2022-09-23 | Open-market buy | 11,544 | $1.86 | 197,706,694 |
| 2022-09-23 | Open-market buy | 31,984 | $1.84 | 197,688,678 |
| 2022-09-23 | Open-market buy | 835 | $1.85 | 197,689,513 |
| 2022-09-23 | Open-market buy | 1,300 | $1.85 | 197,690,813 |
| 2022-09-23 | Open-market buy | 4,337 | $1.86 | 197,695,150 |
| 2022-09-22 | Open-market buy | 26,981 | $1.90 | 197,656,694 |
| 2022-09-22 | Open-market buy | 13,378 | $1.90 | 197,629,713 |
| 2022-09-22 | Open-market buy | 9,641 | $1.89 | 197,616,335 |
| 2022-09-21 | Open-market buy | 5,420 | $1.92 | 197,606,694 |
| 2022-09-21 | Open-market buy | 25,580 | $1.92 | 197,601,274 |
| 2022-09-21 | Open-market buy | 19,000 | $1.90 | 197,575,694 |
| 2022-09-20 | Open-market buy | 20,200 | $1.94 | 197,546,750 |
| 2022-09-20 | Open-market buy | 9,200 | $1.93 | 197,520,594 |
| 2022-09-20 | Open-market buy | 6,044 | $1.95 | 197,556,694 |
| 2022-09-20 | Open-market buy | 3,900 | $1.95 | 197,550,650 |
| 2022-09-20 | Open-market buy | 4,700 | $1.93 | 197,511,394 |
| 2022-09-20 | Open-market buy | 5,956 | $1.94 | 197,526,550 |
| 2022-09-19 | Open-market buy | 19,702 | $1.97 | 197,493,001 |
| 2022-09-19 | Open-market buy | 13,693 | $1.98 | 197,506,694 |
| 2022-09-19 | Open-market buy | 16,605 | $1.97 | 197,473,299 |
| 2022-09-15 | Open-market buy | 40,647 | $2.06 | 197,346,247 |
| 2022-09-15 | Open-market buy | 42,321 | $2.07 | 197,388,568 |
| 2022-09-15 | Open-market buy | 34,841 | $2.07 | 197,423,409 |
| 2022-09-15 | Open-market buy | 34,351 | $2.06 | 197,305,600 |
| 2022-09-15 | Open-market buy | 6,000 | $2.05 | 197,271,249 |
| 2022-09-15 | Open-market buy | 8,555 | $2.05 | 197,265,249 |
| 2022-09-15 | Open-market buy | 10,000 | $2.10 | 197,456,694 |
| 2022-09-15 | Open-market buy | 235 | $2.08 | 197,446,694 |
| 2022-09-15 | Open-market buy | 23,050 | $2.08 | 197,446,459 |
| 2022-09-02 | Open-market buy | 6,170 | $2.13 | 197,162,864 |
| 2022-09-02 | Open-market buy | 721 | $2.14 | 197,164,185 |
| 2022-09-02 | Open-market buy | 66,919 | $2.14 | 197,231,104 |
| 2022-09-02 | Open-market buy | 10,340 | $2.15 | 197,241,444 |
| 2022-09-02 | Open-market buy | 15,250 | $2.15 | 197,256,694 |
| 2022-09-02 | Open-market buy | 600 | $2.14 | 197,163,464 |
| 2022-08-17 | Open-market buy | 43,461 | $2.56 | 197,156,694 |
| 2022-08-17 | Open-market buy | 13,539 | $2.56 | 197,113,233 |
| 2022-08-17 | Open-market buy | 4 | $2.55 | 197,099,694 |
| 2022-08-17 | Open-market buy | 25,796 | $2.55 | 197,099,690 |
| 2022-08-17 | Open-market buy | 15,557 | $2.54 | 197,073,894 |
| 2022-08-17 | Open-market buy | 36,770 | $2.54 | 197,058,337 |
| 2022-08-17 | Open-market buy | 10,199 | $2.53 | 197,021,567 |
| 2022-08-17 | Open-market buy | 35,374 | $2.53 | 197,011,368 |
| 2022-08-17 | Open-market buy | 9,316 | $2.52 | 196,975,994 |
| 2022-08-17 | Open-market buy | 9,984 | $2.52 | 196,966,678 |
| 2022-08-05 | Open-market buy | 27,700 | $2.28 | 196,705,062 |
| 2022-08-05 | Open-market buy | 49,249 | $2.28 | 196,677,362 |
| 2022-08-05 | Open-market buy | 500 | $2.27 | 196,628,113 |
| 2022-08-05 | Open-market buy | 300 | $2.27 | 196,627,613 |
| 2022-08-05 | Open-market buy | 400 | $2.27 | 196,627,313 |
| 2022-08-05 | Open-market buy | 700 | $2.27 | 196,626,913 |
| 2022-08-05 | Open-market buy | 9,869 | $2.26 | 196,626,213 |
| 2022-08-05 | Open-market buy | 1,600 | $2.26 | 196,616,344 |
| 2022-08-05 | Open-market buy | 400 | $2.26 | 196,614,744 |
| 2022-08-05 | Open-market buy | 7,350 | $2.25 | 196,614,344 |
| 2022-08-05 | Open-market buy | 300 | $2.25 | 196,606,994 |
| 2022-08-05 | Open-market buy | 7,003 | $2.32 | 196,956,694 |
| 2022-08-05 | Open-market buy | 24,400 | $2.29 | 196,765,196 |
| 2022-08-05 | Open-market buy | 804 | $2.31 | 196,906,035 |
| 2022-08-05 | Open-market buy | 11,375 | $2.31 | 196,905,231 |
| 2022-08-05 | Open-market buy | 69,986 | $2.30 | 196,893,856 |
| 2022-08-05 | Open-market buy | 3,500 | $2.30 | 196,823,870 |
| 2022-08-05 | Open-market buy | 2,364 | $2.30 | 196,820,370 |
| 2022-08-05 | Open-market buy | 600 | $2.30 | 196,818,006 |
| 2022-08-05 | Open-market buy | 52,210 | $2.30 | 196,817,406 |
| 2022-08-05 | Open-market buy | 35,734 | $2.29 | 196,740,796 |
| 2022-08-05 | Open-market buy | 43,656 | $2.32 | 196,949,691 |
| 2022-06-21 | Open-market buy | 40,009 | $2.40 | 196,530,196 |
| 2022-06-21 | Open-market buy | 7,466 | $2.41 | 196,606,002 |
| 2022-06-21 | Open-market buy | 68,340 | $2.40 | 196,598,536 |
| 2022-06-21 | Open-market buy | 692 | $2.41 | 196,606,694 |
| 2022-06-21 | Open-market buy | 49,778 | $2.39 | 196,490,187 |
| 2022-06-21 | Open-market buy | 4,000 | $2.39 | 196,440,409 |
| 2022-06-21 | Open-market buy | 29,715 | $2.39 | 196,436,409 |
| 2022-06-16 | Open-market buy | 1,429 | $2.31 | 196,338,356 |
| 2022-06-16 | Open-market buy | 4,100 | $2.34 | 196,396,743 |
| 2022-06-16 | Open-market buy | 9,560 | $2.29 | 196,316,254 |
| 2022-06-16 | Open-market buy | 28,614 | $2.33 | 196,392,243 |
| 2022-06-16 | Open-market buy | 300 | $2.33 | 196,392,543 |
| 2022-06-16 | Open-market buy | 100 | $2.33 | 196,392,643 |
| 2022-06-16 | Open-market buy | 3 | $2.30 | 196,336,927 |
| 2022-06-16 | Open-market buy | 4,804 | $2.30 | 196,336,924 |
| 2022-06-16 | Open-market buy | 9,551 | $2.35 | 196,406,294 |
| 2022-06-16 | Open-market buy | 400 | $2.35 | 196,406,694 |
| 2022-06-16 | Open-market buy | 15,866 | $2.29 | 196,332,120 |
| 2022-06-16 | Open-market buy | 14,549 | $2.32 | 196,363,629 |
| 2022-06-16 | Open-market buy | 10,724 | $2.31 | 196,349,080 |
| 2022-06-13 | Open-market buy | 99,300 | $2.37 | 196,306,694 |
| 2022-06-13 | Open-market buy | 700 | $2.36 | 196,207,394 |
| 2022-06-06 | Open-market buy | 600 | $2.81 | 196,160,593 |
| 2022-06-06 | Open-market buy | 50,000 | $2.77 | 196,156,694 |
| 2022-06-06 | Open-market buy | 1,062 | $2.81 | 196,157,756 |
| 2022-06-06 | Open-market buy | 2,237 | $2.81 | 196,159,993 |
| 2022-06-06 | Open-market buy | 46,101 | $2.82 | 196,206,694 |
| 2022-06-01 | Open-market buy | 5,000 | $2.95 | 196,086,694 |
| 2022-06-01 | Open-market buy | 300 | $3.02 | 196,106,694 |
| 2022-06-01 | Open-market buy | 5,000 | $2.93 | 196,061,694 |
| 2022-06-01 | Open-market buy | 20,000 | $2.94 | 196,081,694 |
| 2022-06-01 | Open-market buy | 3,800 | $3.02 | 196,106,394 |
| 2022-06-01 | Open-market buy | 500 | $2.99 | 196,102,594 |
| 2022-06-01 | Open-market buy | 14,900 | $2.97 | 196,102,094 |
| 2022-06-01 | Open-market buy | 500 | $2.96 | 196,087,194 |
| 2022-05-31 | Open-market buy | 1,200 | $3.05 | 196,056,194 |
| 2022-05-31 | Open-market buy | 5,400 | $3.04 | 196,054,994 |
| 2022-05-31 | Open-market buy | 6,958 | $3.04 | 196,049,594 |
| 2022-05-31 | Open-market buy | 8,181 | $3.03 | 196,042,636 |
| 2022-05-31 | Open-market buy | 5,031 | $3.02 | 196,026,325 |
| 2022-05-31 | Open-market buy | 1,900 | $3.02 | 196,021,294 |
| 2022-05-31 | Open-market buy | 12,200 | $3.01 | 196,019,394 |
| 2022-05-31 | Open-market buy | 500 | $3.00 | 196,007,194 |
| 2022-05-31 | Open-market buy | 500 | $3.05 | 196,056,694 |
| 2022-05-31 | Open-market buy | 8,130 | $3.03 | 196,034,455 |
| 2022-05-25 | Open-market buy | 4,782 | $3.00 | 195,996,318 |
| 2022-05-25 | Open-market buy | 10,376 | $3.01 | 196,006,694 |
| 2022-05-25 | Open-market buy | 800 | $2.98 | 195,991,536 |
| 2022-05-25 | Open-market buy | 12,852 | $2.96 | 195,969,546 |
| 2022-05-25 | Open-market buy | 6,000 | $2.96 | 195,975,546 |
| 2022-05-25 | Open-market buy | 15,190 | $2.98 | 195,990,736 |
| 2022-05-18 | Open-market buy | 8,350 | $2.92 | 195,956,694 |
| 2022-05-18 | Open-market buy | 1,650 | $2.91 | 195,948,344 |
| 2022-05-18 | Open-market buy | 6,806 | $2.86 | 195,913,500 |
| 2022-05-18 | Open-market buy | 2,970 | $2.87 | 195,916,470 |
| 2022-05-18 | Open-market buy | 5,224 | $2.87 | 195,921,694 |
| 2022-05-18 | Open-market buy | 25,000 | $2.88 | 195,946,694 |
| 2022-05-16 | Open-market buy | 3,300 | $2.97 | 195,778,936 |
| 2022-05-16 | Open-market buy | 660 | $2.96 | 195,757,354 |
| 2022-05-16 | Open-market buy | 18,282 | $2.96 | 195,775,636 |
| 2022-05-16 | Open-market buy | 900 | $3.00 | 195,906,694 |
| 2022-05-16 | Open-market buy | 30,723 | $2.99 | 195,905,794 |
| 2022-05-16 | Open-market buy | 42,177 | $2.99 | 195,875,071 |
| 2022-05-16 | Open-market buy | 4,100 | $2.98 | 195,832,894 |
| 2022-05-16 | Open-market buy | 38,500 | $2.98 | 195,828,794 |
| 2022-05-16 | Open-market buy | 11,358 | $2.97 | 195,790,294 |
| 2022-05-13 | Open-market buy | 27,600 | $2.99 | 195,660,669 |
| 2022-05-13 | Open-market buy | 1,100 | $2.95 | 195,557,794 |
| 2022-05-13 | Open-market buy | 3,800 | $2.96 | 195,561,594 |
| 2022-05-13 | Open-market buy | 8,500 | $2.96 | 195,570,094 |
| 2022-05-13 | Open-market buy | 900 | $2.97 | 195,570,994 |
| 2022-05-13 | Open-market buy | 600 | $2.97 | 195,571,594 |
| 2022-05-13 | Open-market buy | 17,080 | $2.98 | 195,588,674 |
| 2022-05-13 | Open-market buy | 400 | $3.04 | 195,756,694 |
| 2022-05-13 | Open-market buy | 6,000 | $3.04 | 195,756,294 |
| 2022-05-13 | Open-market buy | 13,200 | $3.03 | 195,750,294 |
| 2022-05-13 | Open-market buy | 14,023 | $3.03 | 195,737,094 |
| 2022-05-13 | Open-market buy | 12,700 | $3.02 | 195,723,071 |
| 2022-05-13 | Open-market buy | 3,577 | $3.02 | 195,710,371 |
| 2022-05-13 | Open-market buy | 19,902 | $3.01 | 195,706,794 |
| 2022-05-13 | Open-market buy | 7,223 | $3.01 | 195,686,892 |
| 2022-05-13 | Open-market buy | 7,370 | $3.00 | 195,679,669 |
| 2022-05-13 | Open-market buy | 11,630 | $3.00 | 195,672,299 |
| 2022-05-13 | Open-market buy | 12,975 | $2.99 | 195,633,069 |
| 2022-05-13 | Open-market buy | 31,420 | $2.98 | 195,620,094 |
| 2022-05-11 | Open-market buy | 400,000 | $2.83 | 195,556,694 |
| 2022-05-10 | Open-market buy | 400,000 | $2.78 | 195,156,694 |
| 2022-03-14 | Open-market buy | 9,200 | $3.03 | 194,740,849 |
| 2022-03-14 | Open-market buy | 15,845 | $3.05 | 194,756,694 |
| 2022-03-14 | Open-market buy | 9,955 | $3.03 | 194,731,649 |
| 2022-03-11 | Open-market buy | 73,037 | $3.13 | 194,721,694 |
| 2022-03-11 | Open-market buy | 100 | $3.12 | 194,621,794 |
| 2022-03-11 | Open-market buy | 26,863 | $3.13 | 194,648,657 |
| 2022-02-28 | Open-market buy | 420 | $3.10 | 194,537,489 |
| 2022-02-28 | Open-market buy | 10,000 | $3.12 | 194,611,694 |
| 2022-02-28 | Open-market buy | 15,000 | $3.12 | 194,601,694 |
| 2022-02-28 | Open-market buy | 49,205 | $3.11 | 194,586,694 |
| 2022-02-28 | Open-market buy | 10,000 | $3.13 | 194,621,694 |
| 2022-02-28 | Open-market buy | 10,375 | $3.10 | 194,537,069 |
| 2022-02-28 | Open-market buy | 300 | $3.09 | 194,526,694 |
| 2022-02-28 | Open-market buy | 4,700 | $3.09 | 194,526,394 |
| 2022-02-25 | Open-market buy | 750,000 | $3.09 | 194,521,694 |
| 2022-02-14 | Open-market buy | 13,273 | $3.02 | 193,684,967 |
| 2022-02-14 | Open-market buy | 8,200 | $3.05 | 193,755,494 |
| 2022-02-14 | Open-market buy | 18,191 | $3.04 | 193,747,294 |
| 2022-02-14 | Open-market buy | 11,809 | $3.04 | 193,729,103 |
| 2022-02-14 | Open-market buy | 300 | $3.05 | 193,755,794 |
| 2022-02-14 | Open-market buy | 1,259 | $3.02 | 193,686,226 |
| 2022-02-14 | Open-market buy | 608 | $3.03 | 193,686,834 |
| 2022-02-14 | Open-market buy | 1,701 | $3.03 | 193,688,535 |
| 2022-02-14 | Open-market buy | 28,759 | $3.03 | 193,717,294 |
| 2022-02-14 | Open-market buy | 3,500 | $3.06 | 193,771,694 |
| 2022-02-14 | Open-market buy | 12,400 | $3.06 | 193,768,194 |
| 2022-02-01 | Open-market buy | 6,300 | $3.03 | 193,579,194 |
| 2022-02-01 | Open-market buy | 1,200 | $3.00 | 193,522,894 |
| 2022-02-01 | Open-market buy | 18,800 | $3.00 | 193,541,694 |
| 2022-02-01 | Open-market buy | 12,000 | $3.02 | 193,553,694 |
| 2022-02-01 | Open-market buy | 17,500 | $3.05 | 193,671,694 |
| 2022-02-01 | Open-market buy | 44,500 | $3.05 | 193,654,194 |
| 2022-02-01 | Open-market buy | 9,900 | $3.04 | 193,609,694 |
| 2022-02-01 | Open-market buy | 20,600 | $3.04 | 193,599,794 |
| 2022-02-01 | Open-market buy | 19,200 | $3.03 | 193,572,894 |
| 2022-01-26 | Open-market buy | 12,100 | $2.92 | 193,184,694 |
| 2022-01-26 | Open-market buy | 900 | $2.92 | 193,172,594 |
| 2022-01-26 | Open-market buy | 27,357 | $2.92 | 193,212,051 |
| 2022-01-26 | Open-market buy | 600 | $2.93 | 193,212,651 |
| 2022-01-26 | Open-market buy | 34,043 | $2.93 | 193,246,694 |
| 2022-01-26 | Open-market buy | 20,000 | $2.96 | 193,266,694 |
| 2022-01-26 | Open-market buy | 39,900 | $3.01 | 193,521,694 |
| 2022-01-26 | Open-market buy | 100 | $3.01 | 193,481,794 |
| 2022-01-26 | Open-market buy | 85,326 | $3.00 | 193,481,694 |
| 2022-01-26 | Open-market buy | 200 | $3.00 | 193,396,368 |
| 2022-01-26 | Open-market buy | 50,874 | $2.99 | 193,396,168 |
| 2022-01-26 | Open-market buy | 5,000 | $2.99 | 193,345,294 |
| 2022-01-26 | Open-market buy | 16,600 | $2.99 | 193,340,294 |
| 2022-01-26 | Open-market buy | 11,300 | $2.99 | 193,323,694 |
| 2022-01-26 | Open-market buy | 10,300 | $2.98 | 193,312,394 |
| 2022-01-26 | Open-market buy | 14,800 | $2.98 | 193,302,094 |
| 2022-01-26 | Open-market buy | 20,600 | $2.97 | 193,287,294 |
| 2021-09-14 | Open-market buy | 10,100 | $3.46 | 193,110,024 |
| 2021-09-14 | Open-market buy | 500 | $3.45 | 193,072,194 |
| 2021-09-14 | Open-market buy | 5,825 | $3.45 | 193,078,019 |
| 2021-09-14 | Open-market buy | 21,905 | $3.45 | 193,099,924 |
| 2021-09-14 | Open-market buy | 16,785 | $3.48 | 193,171,694 |
| 2021-09-14 | Open-market buy | 400 | $3.48 | 193,154,909 |
| 2021-09-14 | Open-market buy | 44,085 | $3.47 | 193,154,509 |
| 2021-09-14 | Open-market buy | 400 | $3.47 | 193,110,424 |
| 2021-08-13 | Open-market buy | 5,108 | $3.69 | 192,995,002 |
| 2021-08-13 | Open-market buy | 4,518 | $3.68 | 192,976,212 |
| 2021-08-13 | Open-market buy | 2,292 | $3.69 | 192,997,294 |
| 2021-08-13 | Open-market buy | 53,873 | $3.69 | 193,051,167 |
| 2021-08-13 | Open-market buy | 500 | $3.70 | 193,051,667 |
| 2021-08-13 | Open-market buy | 1,339 | $3.71 | 193,071,694 |
| 2021-08-13 | Open-market buy | 17,988 | $3.70 | 193,069,655 |
| 2021-08-13 | Open-market buy | 700 | $3.71 | 193,070,355 |
| 2021-08-13 | Open-market buy | 13,682 | $3.68 | 192,989,894 |
| 2021-06-14 | Open-market buy | 39,038 | $3.62 | 192,880,649 |
| 2021-06-14 | Open-market buy | 3,500 | $3.60 | 192,775,194 |
| 2021-06-14 | Open-market buy | 3,900 | $3.64 | 192,922,700 |
| 2021-06-14 | Open-market buy | 22,711 | $3.63 | 192,918,800 |
| 2021-06-14 | Open-market buy | 3,008 | $3.63 | 192,896,089 |
| 2021-06-14 | Open-market buy | 12,432 | $3.62 | 192,893,081 |
| 2021-06-14 | Open-market buy | 48,994 | $3.64 | 192,971,694 |
| 2021-06-14 | Open-market buy | 22,592 | $3.61 | 192,841,611 |
| 2021-06-14 | Open-market buy | 3,500 | $3.61 | 192,819,019 |
| 2021-06-14 | Open-market buy | 40,325 | $3.60 | 192,815,519 |
| 2021-05-25 | Open-market buy | 13,200 | $3.64 | 192,531,584 |
| 2021-05-25 | Open-market buy | 62,273 | $3.65 | 192,708,488 |
| 2021-05-25 | Open-market buy | 114,631 | $3.64 | 192,646,215 |
| 2021-05-25 | Open-market buy | 63,206 | $3.65 | 192,771,694 |
| 2021-05-25 | Open-market buy | 109,064 | $3.64 | 192,518,384 |
| 2021-05-25 | Open-market buy | 30,366 | $3.63 | 192,409,320 |
| 2021-05-25 | Open-market buy | 7,260 | $3.63 | 192,378,954 |
| 2021-05-10 | Open-market buy | 1,000 | $3.58 | 192,297,694 |
| 2021-05-10 | Open-market buy | 25,000 | $3.74 | 192,371,694 |
| 2021-05-10 | Open-market buy | 24,000 | $3.58 | 192,321,694 |
| 2021-05-10 | Open-market buy | 25,000 | $3.63 | 192,346,694 |
| 2021-05-07 | Open-market buy | 25,000 | $3.87 | 192,296,694 |
| 2021-05-07 | Open-market buy | 400 | $3.81 | 192,222,094 |
| 2021-05-07 | Open-market buy | 24,100 | $3.83 | 192,271,694 |
| 2021-05-07 | Open-market buy | 700 | $3.83 | 192,247,594 |
| 2021-05-07 | Open-market buy | 200 | $3.83 | 192,246,894 |
| 2021-05-07 | Open-market buy | 20,800 | $3.81 | 192,246,694 |
| 2021-05-07 | Open-market buy | 3,800 | $3.81 | 192,225,894 |
| 2021-05-06 | Open-market buy | 1,000 | $3.90 | 192,197,694 |
| 2021-05-06 | Open-market buy | 12,500 | $3.92 | 192,221,694 |
| 2021-05-06 | Open-market buy | 9,000 | $3.90 | 192,206,694 |
| 2021-05-06 | Open-market buy | 2,500 | $3.92 | 192,209,194 |
| 2021-05-04 | Open-market buy | 9,234 | $3.96 | 192,196,694 |
| 2021-05-04 | Open-market buy | 4,541 | $3.94 | 192,186,694 |
| 2021-05-04 | Open-market buy | 8,559 | $3.92 | 192,182,153 |
| 2021-05-04 | Open-market buy | 766 | $3.96 | 192,187,460 |
| 2021-05-04 | Open-market buy | 900 | $3.92 | 192,172,594 |
| 2021-05-04 | Open-market buy | 1,000 | $3.92 | 192,173,594 |
| 2021-03-05 | Open-market buy | 11,900 | $3.85 | 191,883,604 |
| 2021-03-05 | Open-market buy | 10 | $3.85 | 191,871,704 |
| 2021-03-05 | Open-market buy | 21,200 | $3.97 | 192,171,694 |
| 2021-03-05 | Open-market buy | 8,800 | $3.97 | 192,150,494 |
| 2021-03-05 | Open-market buy | 17,069 | $3.96 | 192,141,694 |
| 2021-03-05 | Open-market buy | 40,572 | $3.95 | 192,124,625 |
| 2021-03-05 | Open-market buy | 11,100 | $3.95 | 192,084,053 |
| 2021-03-05 | Open-market buy | 200 | $3.95 | 192,072,953 |
| 2021-03-05 | Open-market buy | 27,059 | $3.94 | 192,072,753 |
| 2021-03-05 | Open-market buy | 14,000 | $3.92 | 192,045,694 |
| 2021-03-05 | Open-market buy | 18,340 | $3.91 | 192,031,694 |
| 2021-03-05 | Open-market buy | 1,160 | $3.90 | 192,013,354 |
| 2021-03-05 | Open-market buy | 500 | $3.90 | 192,012,194 |
| 2021-03-05 | Open-market buy | 25,400 | $3.89 | 192,011,694 |
| 2021-03-05 | Open-market buy | 1,100 | $3.89 | 191,986,294 |
| 2021-03-05 | Open-market buy | 500 | $3.89 | 191,985,194 |
| 2021-03-05 | Open-market buy | 60,055 | $3.88 | 191,984,694 |
| 2021-03-05 | Open-market buy | 11,400 | $3.88 | 191,924,639 |
| 2021-03-05 | Open-market buy | 200 | $3.88 | 191,913,239 |
| 2021-03-05 | Open-market buy | 18,000 | $3.87 | 191,913,039 |
| 2021-03-05 | Open-market buy | 3,760 | $3.86 | 191,895,039 |
| 2021-03-05 | Open-market buy | 7,675 | $3.85 | 191,891,279 |
| 2021-02-19 | Grant / award (derivative) | 400,000 | $0.00 | 400,000 |
| 2021-02-19 | Open-market buy | 28,802 | $4.81 | 191,871,694 |
| 2021-02-19 | Open-market buy | 892 | $4.81 | 191,842,892 |
| 2021-02-19 | Open-market buy | 72,300 | $4.80 | 191,842,000 |
| 2021-02-19 | Open-market buy | 1,520 | $4.80 | 191,769,700 |
| 2021-02-19 | Open-market buy | 44,745 | $4.79 | 191,768,180 |
| 2021-02-19 | Open-market buy | 5,924 | $4.79 | 191,723,435 |
| 2021-02-19 | Open-market buy | 50,883 | $4.78 | 191,717,511 |
| 2021-02-19 | Open-market buy | 528 | $4.78 | 191,666,628 |
| 2021-02-19 | Open-market buy | 72,400 | $4.77 | 191,666,100 |
| 2021-02-19 | Open-market buy | 39,845 | $4.76 | 191,593,700 |
| 2021-02-19 | Open-market buy | 15,179 | $4.76 | 191,553,855 |
| 2021-02-19 | Open-market buy | 27,262 | $4.75 | 191,538,676 |
| 2021-02-19 | Open-market buy | 1,320 | $4.75 | 191,511,414 |
| 2021-02-19 | Open-market buy | 73,207 | $4.74 | 191,510,094 |
| 2021-02-19 | Open-market buy | 10,204 | $4.74 | 191,436,887 |
| 2021-02-19 | Open-market buy | 17,589 | $4.73 | 191,426,683 |
| 2021-02-19 | Open-market buy | 1,000 | $4.73 | 191,409,094 |
| 2021-02-19 | Open-market buy | 24,204 | $4.72 | 191,408,094 |
| 2021-02-19 | Open-market buy | 3,496 | $4.72 | 191,383,890 |
| 2021-02-19 | Open-market buy | 8,700 | $4.71 | 191,380,394 |
| 2020-12-28 | Open-market buy | 150,000 | $4.03 | 191,371,694 |
| 2020-12-28 | Open-market buy | 50,000 | $3.98 | 191,221,694 |
| 2020-12-28 | Open-market buy | 100,000 | $3.96 | 191,171,694 |
| 2020-11-09 | Open-market buy | 26,800 | $3.24 | 191,005,764 |
| 2020-11-09 | Open-market buy | 11,900 | $3.14 | 190,929,464 |
| 2020-11-09 | Open-market buy | 500 | $3.14 | 190,917,564 |
| 2020-11-09 | Open-market buy | 2,600 | $3.13 | 190,917,064 |
| 2020-11-09 | Open-market buy | 600 | $3.12 | 190,914,464 |
| 2020-11-09 | Open-market buy | 1,300 | $3.12 | 190,913,864 |
| 2020-11-09 | Open-market buy | 2,200 | $3.11 | 190,912,564 |
| 2020-11-09 | Open-market buy | 3,400 | $3.10 | 190,910,364 |
| 2020-11-09 | Open-market buy | 300 | $3.10 | 190,906,964 |
| 2020-11-09 | Open-market buy | 32,870 | $3.09 | 190,906,664 |
| 2020-11-09 | Open-market buy | 600 | $3.09 | 190,873,794 |
| 2020-11-09 | Open-market buy | 30,128 | $3.05 | 190,873,194 |
| 2020-11-09 | Open-market buy | 13,700 | $3.05 | 190,843,066 |
| 2020-11-09 | Open-market buy | 6,172 | $3.05 | 190,829,366 |
| 2020-11-09 | Open-market buy | 1,500 | $3.03 | 190,823,194 |
| 2020-11-09 | Open-market buy | 10,000 | $3.32 | 191,071,694 |
| 2020-11-09 | Open-market buy | 20,600 | $3.30 | 191,061,694 |
| 2020-11-09 | Open-market buy | 3,950 | $3.30 | 191,041,094 |
| 2020-11-09 | Open-market buy | 450 | $3.29 | 191,037,144 |
| 2020-11-09 | Open-market buy | 17,230 | $3.26 | 191,036,694 |
| 2020-11-09 | Open-market buy | 13,700 | $3.26 | 191,019,464 |
| 2020-11-09 | Open-market buy | 10,000 | $3.19 | 190,939,464 |
| 2020-11-09 | Open-market buy | 39,500 | $3.24 | 190,978,964 |
| 2020-10-30 | Open-market buy | 600,000 | $3.45 | 190,821,694 |
| 2020-06-04 | Grant / award (derivative) | 450,000 | $0.00 | 450,000 |
| 2020-06-03 | Open-market buy | 100,000 | $2.27 | 190,221,694 |
| 2020-06-02 | Open-market buy | 2,100 | $2.43 | 190,083,185 |
| 2020-06-02 | Open-market buy | 4,558 | $2.45 | 190,121,252 |
| 2020-06-02 | Open-market buy | 3,573 | $2.44 | 190,116,694 |
| 2020-06-02 | Open-market buy | 16,427 | $2.44 | 190,113,121 |
| 2020-06-02 | Open-market buy | 13,509 | $2.43 | 190,096,694 |
| 2020-06-02 | Open-market buy | 442 | $2.45 | 190,121,694 |
| 2020-06-02 | Open-market buy | 4,391 | $2.43 | 190,081,085 |
| 2020-06-02 | Open-market buy | 23,500 | $2.42 | 190,076,694 |
| 2020-06-02 | Open-market buy | 21,400 | $2.42 | 190,053,194 |
| 2020-06-02 | Open-market buy | 10,100 | $2.41 | 190,031,794 |
| 2020-05-28 | Open-market buy | 4,708 | $2.17 | 189,976,402 |
| 2020-05-28 | Open-market buy | 50,000 | $2.15 | 189,971,694 |
| 2020-05-28 | Open-market buy | 1,700 | $2.17 | 189,978,102 |
| 2020-05-28 | Open-market buy | 43,592 | $2.17 | 190,021,694 |
| 2020-05-26 | Open-market buy | 9,336 | $2.37 | 189,843,106 |
| 2020-05-26 | Open-market buy | 341 | $2.35 | 189,772,035 |
| 2020-05-26 | Open-market buy | 22,319 | $2.35 | 189,794,354 |
| 2020-05-26 | Open-market buy | 1,000 | $2.36 | 189,795,354 |
| 2020-05-26 | Open-market buy | 26,340 | $2.36 | 189,821,694 |
| 2020-05-26 | Open-market buy | 39,450 | $2.34 | 189,771,694 |
| 2020-05-26 | Open-market buy | 5,700 | $2.34 | 189,732,244 |
| 2020-05-26 | Open-market buy | 4,850 | $2.34 | 189,726,544 |
| 2020-05-26 | Open-market buy | 50,000 | $2.31 | 189,721,694 |
| 2020-05-26 | Open-market buy | 11,643 | $2.39 | 189,921,694 |
| 2020-05-26 | Open-market buy | 1,430 | $2.39 | 189,910,051 |
| 2020-05-26 | Open-market buy | 44,274 | $2.38 | 189,908,621 |
| 2020-05-26 | Open-market buy | 700 | $2.38 | 189,864,347 |
| 2020-05-26 | Open-market buy | 20,541 | $2.38 | 189,863,647 |
| 2020-05-26 | Open-market buy | 11,776 | $2.37 | 189,833,770 |
| 2020-05-26 | Open-market buy | 300 | $2.36 | 189,821,994 |
| 2020-05-07 | Open-market buy | 12,400 | $2.10 | 189,495,894 |
| 2020-05-07 | Open-market buy | 200 | $2.10 | 189,483,494 |
| 2020-05-07 | Open-market buy | 4,400 | $2.09 | 189,483,294 |
| 2020-05-07 | Open-market buy | 800 | $2.09 | 189,478,894 |
| 2020-05-07 | Open-market buy | 100,000 | $2.07 | 189,471,694 |
| 2020-05-07 | Open-market buy | 84,832 | $2.04 | 189,371,694 |
| 2020-05-07 | Open-market buy | 5,500 | $2.04 | 189,286,862 |
| 2020-05-07 | Open-market buy | 9,668 | $2.04 | 189,281,362 |
| 2020-05-07 | Open-market buy | 300 | $2.13 | 189,671,694 |
| 2020-05-07 | Open-market buy | 92,340 | $2.10 | 189,588,234 |
| 2020-05-07 | Open-market buy | 2,388 | $2.11 | 189,590,622 |
| 2020-05-07 | Open-market buy | 13,700 | $2.11 | 189,604,322 |
| 2020-05-07 | Open-market buy | 51,760 | $2.11 | 189,656,082 |
| 2020-05-07 | Open-market buy | 200 | $2.11 | 189,656,282 |
| 2020-05-07 | Open-market buy | 15,112 | $2.12 | 189,671,394 |
| 2020-05-07 | Open-market buy | 6,400 | $2.08 | 189,478,094 |
| 2020-04-17 | Open-market buy | 20,086 | $1.66 | 189,071,694 |
| 2020-04-17 | Open-market buy | 20,600 | $1.69 | 189,242,294 |
| 2020-04-17 | Open-market buy | 29,400 | $1.69 | 189,271,694 |
| 2020-04-17 | Open-market buy | 100,000 | $1.63 | 189,046,694 |
| 2020-04-17 | Open-market buy | 4,914 | $1.66 | 189,051,608 |
| 2020-04-17 | Open-market buy | 98,400 | $1.68 | 189,221,694 |
| 2020-04-17 | Open-market buy | 50,000 | $1.67 | 189,121,694 |
| 2020-04-17 | Open-market buy | 1,600 | $1.68 | 189,123,294 |
| 2020-04-16 | Open-market buy | 2,407 | $1.63 | 188,924,101 |
| 2020-04-16 | Open-market buy | 22,593 | $1.63 | 188,946,694 |
| 2020-04-15 | Open-market buy | 7,960 | $1.49 | 188,730,854 |
| 2020-04-15 | Open-market buy | 1,200 | $1.49 | 188,722,894 |
| 2020-04-15 | Open-market buy | 6,049 | $1.64 | 188,921,694 |
| 2020-04-15 | Open-market buy | 2,378 | $1.64 | 188,915,645 |
| 2020-04-15 | Open-market buy | 39,573 | $1.63 | 188,913,267 |
| 2020-04-15 | Open-market buy | 2,000 | $1.63 | 188,873,694 |
| 2020-04-15 | Open-market buy | 5,495 | $1.55 | 188,871,694 |
| 2020-04-15 | Open-market buy | 32,159 | $1.54 | 188,866,199 |
| 2020-04-15 | Open-market buy | 10,146 | $1.54 | 188,834,040 |
| 2020-04-15 | Open-market buy | 2,200 | $1.53 | 188,823,894 |
| 2020-04-15 | Open-market buy | 22,956 | $1.52 | 188,821,694 |
| 2020-04-15 | Open-market buy | 2,900 | $1.52 | 188,798,738 |
| 2020-04-15 | Open-market buy | 24,663 | $1.51 | 188,795,838 |
| 2020-04-15 | Open-market buy | 26,300 | $1.51 | 188,771,175 |
| 2020-04-15 | Open-market buy | 218 | $1.51 | 188,744,875 |
| 2020-04-15 | Open-market buy | 13,803 | $1.50 | 188,744,657 |
| 2020-04-07 | Open-market buy | 164,384 | $1.28 | 188,618,794 |
| 2020-04-07 | Open-market buy | 11,932 | $1.26 | 188,333,626 |
| 2020-04-07 | Open-market buy | 63,068 | $1.26 | 188,396,694 |
| 2020-04-07 | Open-market buy | 1,700 | $1.27 | 188,398,394 |
| 2020-04-07 | Open-market buy | 15,638 | $1.30 | 188,721,694 |
| 2020-04-07 | Open-market buy | 24,362 | $1.30 | 188,706,056 |
| 2020-04-07 | Open-market buy | 4,407 | $1.29 | 188,681,694 |
| 2020-04-07 | Open-market buy | 5,774 | $1.29 | 188,677,287 |
| 2020-04-07 | Open-market buy | 52,619 | $1.29 | 188,671,513 |
| 2020-04-07 | Open-market buy | 100 | $1.28 | 188,618,894 |
| 2020-04-07 | Open-market buy | 18,263 | $1.28 | 188,454,410 |
| 2020-04-07 | Open-market buy | 37,753 | $1.27 | 188,436,147 |
| 2020-04-03 | Open-market buy | 39,790 | $1.15 | 188,311,484 |
| 2020-04-03 | Open-market buy | 1,969 | $1.16 | 188,313,453 |
| 2020-04-03 | Open-market buy | 8,241 | $1.16 | 188,321,694 |
| 2020-04-02 | Open-market buy | 105,653 | $1.15 | 187,877,347 |
| 2020-04-02 | Open-market buy | 85,212 | $1.19 | 188,271,694 |
| 2020-04-02 | Open-market buy | 14,788 | $1.19 | 188,186,482 |
| 2020-04-02 | Open-market buy | 94,347 | $1.15 | 187,971,694 |
| 2020-04-02 | Open-market buy | 47,443 | $1.16 | 188,019,137 |
| 2020-04-02 | Open-market buy | 50,136 | $1.16 | 188,069,273 |
| 2020-04-02 | Open-market buy | 102,421 | $1.17 | 188,171,694 |
| 2020-04-01 | Open-market buy | 49,308 | $1.26 | 187,621,002 |
| 2020-04-01 | Open-market buy | 100,000 | $1.25 | 187,571,694 |
| 2020-04-01 | Open-market buy | 150,692 | $1.26 | 187,771,694 |
| 2020-04-01 | Open-market buy | 143,549 | $1.20 | 187,271,694 |
| 2020-04-01 | Open-market buy | 200,000 | $1.22 | 187,471,694 |
| 2020-03-30 | Open-market buy | 61,968 | $1.34 | 187,028,145 |
| 2020-03-30 | Open-market buy | 100,000 | $1.35 | 187,128,145 |
| 2020-03-27 | Open-market buy | 95,100 | $1.40 | 186,966,177 |
| 2020-03-27 | Open-market buy | 4,900 | $1.40 | 186,871,077 |
| 2020-03-26 | Open-market buy | 18,400 | $1.39 | 186,866,177 |
| 2020-03-26 | Open-market buy | 1,300 | $1.37 | 186,667,977 |
| 2020-03-26 | Open-market buy | 58,200 | $1.37 | 186,726,177 |
| 2020-03-26 | Open-market buy | 46,726 | $1.38 | 186,772,903 |
| 2020-03-26 | Open-market buy | 500 | $1.36 | 186,666,677 |
| 2020-03-26 | Open-market buy | 21,500 | $1.39 | 186,847,777 |
| 2020-03-26 | Open-market buy | 100 | $1.38 | 186,826,277 |
| 2020-03-26 | Open-market buy | 52,074 | $1.38 | 186,826,177 |
| 2020-03-26 | Open-market buy | 1,200 | $1.38 | 186,774,103 |
| 2020-03-19 | Open-market buy | 49,800 | $1.50 | 186,666,177 |
| 2020-03-19 | Open-market buy | 200 | $1.50 | 186,616,377 |
| 2020-03-19 | Open-market buy | 37,278 | $1.48 | 186,616,177 |
| 2020-03-19 | Open-market buy | 12,622 | $1.47 | 186,578,899 |
| 2020-03-19 | Open-market buy | 100 | $1.47 | 186,566,277 |
| 2020-03-10 | Open-market buy | 30,631 | $1.58 | 186,296,808 |
| 2020-03-10 | Open-market buy | 113,001 | $1.58 | 186,409,809 |
| 2020-03-10 | Open-market buy | 1,625 | $1.59 | 186,411,434 |
| 2020-03-10 | Open-market buy | 29,743 | $1.59 | 186,441,177 |
| 2020-03-10 | Open-market buy | 725 | $1.60 | 186,441,902 |
| 2020-03-10 | Open-market buy | 24,275 | $1.60 | 186,466,177 |
| 2020-03-10 | Open-market buy | 1,524 | $1.65 | 186,467,701 |
| 2020-03-10 | Open-market buy | 5,400 | $1.65 | 186,473,101 |
| 2020-03-10 | Open-market buy | 93,076 | $1.65 | 186,566,177 |
| 2020-03-03 | Open-market buy | 100,000 | $1.47 | 170,031,230 |
| 2020-03-02 | Open-market buy | 95,600 | $1.49 | 169,931,230 |
| 2020-03-02 | Open-market buy | 4,400 | $1.49 | 169,835,630 |
| 2020-02-28 | Open-market buy | 25,000 | $1.45 | 169,731,230 |
| 2020-02-28 | Open-market buy | 5,108 | $1.46 | 169,736,338 |
| 2020-02-28 | Open-market buy | 94,892 | $1.46 | 169,831,230 |
| 2020-02-27 | Open-market buy | 10,000 | $1.51 | 169,676,230 |
| 2020-02-27 | Open-market buy | 29,900 | $1.50 | 169,666,230 |
| 2020-02-27 | Open-market buy | 18,328 | $1.49 | 169,636,330 |
| 2020-02-27 | Open-market buy | 29,472 | $1.49 | 169,618,002 |
| 2020-02-27 | Open-market buy | 16,372 | $1.48 | 169,588,530 |
| 2020-02-27 | Open-market buy | 5,928 | $1.48 | 169,572,158 |
| 2020-02-27 | Open-market buy | 10,950 | $1.47 | 169,566,230 |
| 2020-02-27 | Open-market buy | 6,463 | $1.47 | 169,555,280 |
| 2020-02-27 | Open-market buy | 77,187 | $1.46 | 169,548,817 |
| 2020-02-27 | Open-market buy | 400 | $1.46 | 169,471,630 |
| 2020-02-27 | Open-market buy | 15,000 | $1.45 | 169,471,230 |
| 2020-02-27 | Open-market buy | 10,000 | $1.51 | 169,686,230 |
| 2020-02-27 | Open-market buy | 5,389 | $1.52 | 169,706,230 |
| 2020-02-27 | Open-market buy | 14,611 | $1.52 | 169,700,841 |
| 2020-02-14 | Open-market buy | 200 | $1.57 | 169,374,412 |
| 2020-02-14 | Open-market buy | 2,982 | $1.57 | 169,374,212 |
| 2020-02-14 | Open-market buy | 12,000 | $1.56 | 169,371,230 |
| 2020-02-14 | Open-market buy | 12,451 | $1.58 | 169,456,230 |
| 2020-02-14 | Open-market buy | 69,367 | $1.58 | 169,443,779 |
| 2020-02-14 | Open-market buy | 3,000 | $1.56 | 169,359,230 |
| 2020-02-13 | Open-market buy | 100,000 | $1.58 | 169,356,230 |
| 2020-02-11 | Open-market buy | 14,239 | $1.59 | 169,256,230 |
| 2020-02-06 | Open-market buy | 50,000 | $1.53 | 169,241,991 |
| 2020-01-31 | Open-market buy | 50,000 | $1.44 | 169,191,991 |
| 2020-01-30 | Open-market buy | 50,000 | $1.46 | 169,091,991 |
| 2020-01-30 | Open-market buy | 50,000 | $1.48 | 169,141,991 |
| 2020-01-24 | Open-market buy | 50,000 | $1.58 | 169,041,991 |
| 2020-01-23 | Open-market buy | 50,000 | $1.63 | 168,991,991 |
| 2020-01-17 | Open-market buy | 22,262 | $1.56 | 168,941,991 |
| 2020-01-13 | Open-market buy | 50,000 | $1.44 | 168,919,729 |
| 2020-01-10 | Open-market buy | 50,000 | $1.48 | 168,869,729 |
| 2020-01-08 | Open-market buy | 50,000 | $1.47 | 168,819,729 |
| 2019-12-30 | Open-market buy | 100,000 | $1.46 | 168,769,729 |
| 2019-12-27 | Open-market buy | 50,000 | $1.52 | 168,619,729 |
| 2019-12-27 | Open-market buy | 50,000 | $1.53 | 168,669,729 |
| 2019-12-19 | Open-market buy | 4,300 | $1.50 | 168,524,029 |
| 2019-12-19 | Open-market buy | 45,700 | $1.50 | 168,569,729 |
| 2019-12-19 | Open-market buy | 50,000 | $1.47 | 168,519,729 |
| 2019-12-18 | Open-market buy | 50,000 | $1.51 | 168,469,729 |
| 2019-12-18 | Open-market buy | 50,000 | $1.50 | 168,419,729 |
| 2019-12-18 | Open-market buy | 50,000 | $1.49 | 168,369,729 |
| 2019-12-17 | Open-market buy | 50,000 | $1.55 | 168,319,729 |
| 2019-12-17 | Open-market buy | 25,000 | $1.52 | 168,269,729 |
| 2019-12-11 | Open-market buy | 100 | $1.50 | 168,188,829 |
| 2019-12-11 | Open-market buy | 22,144 | $1.52 | 168,244,729 |
| 2019-12-11 | Open-market buy | 10,406 | $1.51 | 168,217,715 |
| 2019-12-11 | Open-market buy | 1,500 | $1.49 | 168,146,229 |
| 2019-12-11 | Open-market buy | 42,500 | $1.49 | 168,188,729 |
| 2019-12-11 | Open-market buy | 4,870 | $1.52 | 168,222,585 |
| 2019-12-11 | Open-market buy | 18,480 | $1.50 | 168,207,309 |
| 2019-12-09 | Open-market buy | 50,000 | $1.59 | 168,144,729 |
| 2019-12-05 | Open-market buy | 50,000 | $1.60 | 168,094,729 |
| 2019-12-03 | Open-market buy | 10,286 | $1.60 | 168,044,729 |
| 2019-12-02 | Open-market buy | 2,100 | $1.55 | 167,986,543 |
| 2019-12-02 | Open-market buy | 2,094 | $1.56 | 168,034,443 |
| 2019-12-02 | Open-market buy | 45,806 | $1.56 | 168,032,349 |
| 2019-11-26 | Open-market buy | 66 | $1.55 | 167,984,443 |
| 2019-11-26 | Open-market buy | 99,934 | $1.55 | 167,984,377 |
| 2019-11-19 | Open-market buy | 30,145 | $1.47 | 167,884,443 |
| 2019-11-19 | Open-market buy | 69,855 | $1.47 | 167,854,298 |
| 2019-11-18 | Open-market buy | 17,190 | $1.49 | 167,784,443 |
| 2019-11-18 | Open-market buy | 32,200 | $1.48 | 167,716,643 |
| 2019-11-18 | Open-market buy | 50,610 | $1.48 | 167,767,253 |
| 2019-11-13 | Open-market buy | 11,900 | $1.42 | 167,646,343 |
| 2019-11-13 | Open-market buy | 38,100 | $1.43 | 167,684,443 |
| 2019-11-12 | Open-market buy | 16,846 | $1.45 | 167,601,289 |
| 2019-11-12 | Open-market buy | 58,300 | $1.44 | 167,492,743 |
| 2019-11-12 | Open-market buy | 91,700 | $1.44 | 167,584,443 |
| 2019-11-12 | Open-market buy | 33,154 | $1.45 | 167,634,443 |
| 2019-11-08 | Open-market buy | 13,500 | $1.49 | 167,422,943 |
| 2019-11-08 | Open-market buy | 25,000 | $1.48 | 167,409,443 |
| 2019-11-08 | Open-market buy | 11,500 | $1.49 | 167,434,443 |
| 2019-11-06 | Open-market buy | 20,106 | $1.51 | 167,271,121 |
| 2019-11-06 | Open-market buy | 17,896 | $1.47 | 167,052,339 |
| 2019-11-06 | Open-market buy | 23,200 | $1.52 | 167,384,443 |
| 2019-11-06 | Open-market buy | 1,100 | $1.52 | 167,361,243 |
| 2019-11-06 | Open-market buy | 89,022 | $1.51 | 167,360,143 |
| 2019-11-06 | Open-market buy | 165,904 | $1.47 | 167,218,243 |
| 2019-11-06 | Open-market buy | 16,572 | $1.50 | 167,251,015 |
| 2019-11-06 | Open-market buy | 1,846 | $1.49 | 167,234,443 |
| 2019-11-06 | Open-market buy | 739 | $1.49 | 167,232,597 |
| 2019-11-06 | Open-market buy | 1,100 | $1.48 | 167,231,858 |
| 2019-11-06 | Open-market buy | 12,515 | $1.48 | 167,230,758 |
| 2019-10-31 | Open-market buy | 49,949 | $1.43 | 167,034,392 |
| 2019-10-31 | Open-market buy | 51 | $1.43 | 167,034,443 |
| 2019-10-30 | Open-market buy | 19,200 | $1.45 | 166,925,643 |
| 2019-10-30 | Open-market buy | 21,485 | $1.46 | 166,951,928 |
| 2019-10-30 | Open-market buy | 4,800 | $1.45 | 166,930,443 |
| 2019-10-30 | Open-market buy | 32,515 | $1.46 | 166,984,443 |
| 2019-10-30 | Open-market buy | 59,203 | $1.44 | 166,906,443 |
| 2019-10-30 | Open-market buy | 8,797 | $1.44 | 166,847,240 |
| 2019-10-30 | Open-market buy | 54,000 | $1.43 | 166,838,443 |
| 2019-10-29 | Open-market buy | 45,048 | $1.48 | 166,778,991 |
| 2019-10-29 | Open-market buy | 19,500 | $1.48 | 166,733,943 |
| 2019-10-29 | Open-market buy | 33,676 | $1.47 | 166,714,443 |
| 2019-10-29 | Open-market buy | 86,324 | $1.47 | 166,680,767 |
| 2019-10-29 | Open-market buy | 10,000 | $1.46 | 166,594,443 |
| 2019-10-29 | Open-market buy | 452 | $1.51 | 166,784,443 |
| 2019-10-29 | Open-market buy | 5,000 | $1.49 | 166,783,991 |
| 2019-10-25 | Open-market buy | 2,000,000 | $1.50 | 166,234,443 |
| 2019-10-25 | Open-market buy | 53,132 | $1.41 | 166,454,375 |
| 2019-10-25 | Open-market buy | 10,000 | $1.36 | 166,244,443 |
| 2019-10-25 | Open-market buy | 10,500 | $1.45 | 166,584,443 |
| 2019-10-25 | Open-market buy | 24,800 | $1.45 | 166,573,943 |
| 2019-10-25 | Open-market buy | 49,900 | $1.43 | 166,549,143 |
| 2019-10-25 | Open-market buy | 100 | $1.42 | 166,499,243 |
| 2019-10-25 | Open-market buy | 5,000 | $1.42 | 166,499,143 |
| 2019-10-25 | Open-market buy | 39,768 | $1.41 | 166,494,143 |
| 2019-10-25 | Open-market buy | 1,000 | $1.40 | 166,401,243 |
| 2019-10-25 | Open-market buy | 63,225 | $1.40 | 166,400,243 |
| 2019-10-25 | Open-market buy | 5,275 | $1.40 | 166,337,018 |
| 2019-10-25 | Open-market buy | 47,300 | $1.39 | 166,331,743 |
| 2019-10-25 | Open-market buy | 40,000 | $1.37 | 166,284,443 |
| 2019-07-16 | Open-market buy | 3,839 | $2.12 | 30,081,016 |
| 2019-07-16 | Open-market buy | 46,161 | $2.12 | 30,127,177 |
| 2019-07-12 | Open-market buy | 700 | $2.16 | 30,045,377 |
| 2019-07-12 | Open-market buy | 2,500 | $2.15 | 30,044,677 |
| 2019-07-12 | Open-market buy | 5,000 | $2.14 | 30,042,177 |
| 2019-07-12 | Open-market buy | 56 | $2.18 | 30,077,177 |
| 2019-07-12 | Open-market buy | 3,200 | $2.13 | 30,030,477 |
| 2019-07-12 | Open-market buy | 100 | $2.12 | 30,027,277 |
| 2019-07-12 | Open-market buy | 22,150 | $2.17 | 30,067,527 |
| 2019-07-12 | Open-market buy | 2,650 | $2.17 | 30,070,177 |
| 2019-07-12 | Open-market buy | 6,944 | $2.18 | 30,077,121 |
| 2019-07-12 | Open-market buy | 6,700 | $2.13 | 30,037,177 |
| 2019-07-08 | Open-market buy | 1,296 | $2.23 | 29,958,473 |
| 2019-07-08 | Open-market buy | 19,900 | $2.26 | 30,027,077 |
| 2019-07-08 | Open-market buy | 48,704 | $2.23 | 30,007,177 |
| 2019-07-08 | Open-market buy | 100 | $2.26 | 30,027,177 |
| 2019-07-08 | Open-market buy | 17,359 | $2.21 | 29,957,177 |
| 2019-07-08 | Open-market buy | 12,641 | $2.21 | 29,939,818 |
| 2019-07-02 | Open-market buy | 24,945 | $2.42 | 29,902,122 |
| 2019-07-02 | Open-market buy | 25,055 | $2.42 | 29,927,177 |
| 2019-07-01 | Grant / award (derivative) | 350,000 | $0.00 | 350,000 |
| 2019-06-25 | Open-market buy | 20,086 | $2.03 | 29,868,683 |
| 2019-06-25 | Open-market buy | 25,000 | $1.99 | 29,802,177 |
| 2019-06-25 | Open-market buy | 43,820 | $2.01 | 29,845,997 |
| 2019-06-25 | Open-market buy | 2,600 | $2.02 | 29,848,597 |
| 2019-06-25 | Open-market buy | 8,494 | $2.03 | 29,877,177 |
| 2019-06-20 | Open-market buy | 100 | $2.05 | 29,752,277 |
| 2019-06-20 | Open-market buy | 571 | $2.04 | 29,752,177 |
| 2019-06-20 | Open-market buy | 24,429 | $2.04 | 29,751,606 |
| 2019-06-20 | Open-market buy | 24,900 | $2.05 | 29,777,177 |
| 2019-06-19 | Open-market buy | 21,014 | $2.01 | 29,724,253 |
| 2019-06-19 | Open-market buy | 2,924 | $2.01 | 29,727,177 |
| 2019-06-19 | Open-market buy | 1,062 | $2.00 | 29,703,239 |
| 2019-06-18 | Open-market buy | 391 | $2.03 | 29,702,177 |
| 2019-06-18 | Open-market buy | 11,170 | $2.03 | 29,701,786 |
| 2019-06-18 | Open-market buy | 16,469 | $2.02 | 29,690,616 |
| 2019-06-18 | Open-market buy | 21,970 | $2.02 | 29,674,147 |
| 2019-06-14 | Open-market buy | 14,118 | $1.91 | 29,596,595 |
| 2019-06-14 | Open-market buy | 3,039 | $1.92 | 29,646,034 |
| 2019-06-14 | Open-market buy | 10,670 | $1.92 | 29,642,995 |
| 2019-06-14 | Open-market buy | 35,730 | $1.91 | 29,632,325 |
| 2019-06-14 | Open-market buy | 300 | $1.90 | 29,582,477 |
| 2019-06-14 | Open-market buy | 6,143 | $1.94 | 29,652,177 |
| 2019-06-13 | Open-market buy | 15,000 | $1.93 | 29,567,177 |
| 2019-06-13 | Open-market buy | 14,900 | $1.94 | 29,582,077 |
| 2019-06-13 | Open-market buy | 100 | $1.94 | 29,582,177 |
| 2019-06-13 | Open-market buy | 20,000 | $1.92 | 29,552,177 |
| 2019-06-12 | Open-market buy | 15,000 | $1.83 | 29,532,177 |
| 2019-06-11 | Open-market buy | 49,991 | $1.87 | 29,517,168 |
| 2019-06-11 | Open-market buy | 9 | $1.87 | 29,517,177 |
| 2019-06-07 | Open-market buy | 200 | $1.87 | 29,425,876 |
| 2019-06-07 | Open-market buy | 1 | $1.87 | 29,442,178 |
| 2019-06-07 | Open-market buy | 16,301 | $1.87 | 29,442,177 |
| 2019-06-07 | Open-market buy | 24,917 | $1.88 | 29,467,095 |
| 2019-06-07 | Open-market buy | 8,499 | $1.87 | 29,425,676 |
| 2019-06-07 | Open-market buy | 82 | $1.88 | 29,467,177 |
| 2019-06-06 | Open-market buy | 19,807 | $1.92 | 29,417,177 |
| 2019-06-06 | Open-market buy | 5,193 | $1.92 | 29,397,370 |
| 2019-06-05 | Open-market buy | 18,300 | $1.95 | 29,385,477 |
| 2019-06-05 | Open-market buy | 4,480 | $1.94 | 29,367,177 |
| 2019-06-05 | Open-market buy | 5,000 | $1.93 | 29,362,697 |
| 2019-06-05 | Open-market buy | 14,700 | $1.93 | 29,357,697 |
| 2019-06-05 | Open-market buy | 6,700 | $1.95 | 29,392,177 |
| 2019-06-05 | Open-market buy | 23,915 | $1.92 | 29,311,097 |
| 2019-06-05 | Open-market buy | 29,360 | $1.91 | 29,287,182 |
| 2019-06-05 | Open-market buy | 15,645 | $1.91 | 29,257,822 |
| 2019-06-05 | Open-market buy | 31,900 | $1.92 | 29,342,997 |
| 2019-05-31 | Open-market buy | 11,065 | $1.76 | 29,159,042 |
| 2019-05-31 | Open-market buy | 5,725 | $1.79 | 29,232,902 |
| 2019-05-31 | Open-market buy | 4,275 | $1.79 | 29,237,177 |
| 2019-05-31 | Open-market buy | 10,000 | $1.77 | 29,222,177 |
| 2019-05-31 | Open-market buy | 53,135 | $1.76 | 29,212,177 |
| 2019-05-31 | Open-market buy | 5,000 | $1.77 | 29,227,177 |
| 2019-05-31 | Open-market buy | 5,000 | $1.75 | 29,147,977 |
| 2019-05-31 | Open-market buy | 800 | $1.74 | 29,142,977 |
| 2019-05-31 | Open-market buy | 5,000 | $1.80 | 29,242,177 |
| 2019-05-30 | Open-market buy | 78 | $1.88 | 29,142,177 |
| 2019-05-30 | Open-market buy | 15,922 | $1.88 | 29,142,099 |
| 2019-05-30 | Open-market buy | 19,915 | $1.86 | 29,112,092 |
| 2019-05-30 | Open-market buy | 8,000 | $1.87 | 29,126,177 |
| 2019-05-30 | Open-market buy | 6,085 | $1.86 | 29,118,177 |
| 2019-05-29 | Open-market buy | 10,000 | $1.88 | 29,092,177 |
| 2019-05-29 | Open-market buy | 10,300 | $1.86 | 29,082,177 |
| 2019-05-29 | Open-market buy | 9,700 | $1.85 | 29,071,877 |
| 2019-05-29 | Open-market buy | 4,396 | $1.84 | 29,062,177 |
| 2019-05-29 | Open-market buy | 5,604 | $1.84 | 29,057,781 |
| 2019-05-29 | Open-market buy | 8,705 | $1.83 | 29,052,177 |
| 2019-05-29 | Open-market buy | 21,295 | $1.83 | 29,043,472 |
| 2019-05-28 | Open-market buy | 5,000 | $1.92 | 28,981,177 |
| 2019-05-28 | Open-market buy | 4,000 | $1.91 | 28,976,177 |
| 2019-05-28 | Open-market buy | 61,820 | $1.90 | 28,972,177 |
| 2019-05-28 | Open-market buy | 4,180 | $1.90 | 28,910,357 |
| 2019-05-28 | Open-market buy | 58,750 | $1.89 | 28,906,177 |
| 2019-05-28 | Open-market buy | 3,240 | $1.93 | 28,984,417 |
| 2019-05-28 | Open-market buy | 100 | $1.88 | 28,829,277 |
| 2019-05-28 | Open-market buy | 7,000 | $1.88 | 28,829,177 |
| 2019-05-28 | Open-market buy | 40 | $1.94 | 29,022,177 |
| 2019-05-28 | Open-market buy | 5,960 | $1.94 | 29,022,137 |
| 2019-05-28 | Open-market buy | 31,760 | $1.93 | 29,016,177 |
| 2019-05-28 | Open-market buy | 18,150 | $1.89 | 28,847,427 |
| 2019-05-23 | Open-market buy | 161,378 | $1.92 | 28,822,177 |
| 2019-05-23 | Open-market buy | 38,622 | $1.92 | 28,660,799 |
| 2019-05-22 | Open-market buy | 21,660 | $2.02 | 28,614,897 |
| 2019-05-22 | Open-market buy | 50,000 | $1.98 | 28,547,177 |
| 2019-05-22 | Open-market buy | 46,060 | $2.02 | 28,593,237 |
| 2019-05-22 | Open-market buy | 7,280 | $2.03 | 28,622,177 |
| 2019-05-17 | Open-market buy | 17,178 | $2.09 | 28,497,177 |
| 2019-05-17 | Open-market buy | 5,940 | $2.07 | 28,453,117 |
| 2019-05-17 | Open-market buy | 19,060 | $2.07 | 28,472,177 |
| 2019-05-17 | Open-market buy | 7,822 | $2.09 | 28,479,999 |
| 2019-05-16 | Open-market buy | 10,840 | $2.03 | 28,447,177 |
| 2019-05-16 | Open-market buy | 14,996 | $2.02 | 28,362,173 |
| 2019-05-16 | Open-market buy | 53,004 | $2.02 | 28,415,177 |
| 2019-05-16 | Open-market buy | 21,160 | $2.03 | 28,436,337 |
| 2019-05-14 | Open-market buy | 50,000 | $1.96 | 27,447,177 |
| 2019-05-14 | Open-market buy | 50,000 | $1.95 | 27,397,177 |
| 2019-05-14 | Open-market buy | 27,929 | $2.03 | 28,347,177 |
| 2019-05-14 | Open-market buy | 31,671 | $2.03 | 28,319,248 |
| 2019-05-14 | Open-market buy | 111,700 | $2.02 | 28,287,577 |
| 2019-05-14 | Open-market buy | 38,400 | $2.02 | 28,175,877 |
| 2019-05-14 | Open-market buy | 40,051 | $2.01 | 28,137,477 |
| 2019-05-14 | Open-market buy | 38,000 | $2.01 | 28,097,426 |
| 2019-05-14 | Open-market buy | 223,649 | $2.00 | 28,059,426 |
| 2019-05-14 | Open-market buy | 170,494 | $2.00 | 27,835,777 |
| 2019-05-14 | Open-market buy | 20,000 | $1.99 | 27,665,283 |
| 2019-05-14 | Open-market buy | 2,300 | $1.99 | 27,645,283 |
| 2019-05-14 | Open-market buy | 142,880 | $1.98 | 27,642,983 |
| 2019-05-14 | Open-market buy | 8,826 | $1.98 | 27,500,103 |
| 2019-05-14 | Open-market buy | 40,600 | $1.97 | 27,491,277 |
| 2019-05-14 | Open-market buy | 3,500 | $1.97 | 27,450,677 |
| 2019-05-13 | Open-market buy | 29,896 | $2.00 | 27,347,177 |
| 2019-05-13 | Open-market buy | 50,000 | $1.98 | 27,197,177 |
| 2019-05-13 | Open-market buy | 36,893 | $2.00 | 27,317,281 |
| 2019-05-13 | Open-market buy | 73,883 | $1.99 | 27,280,388 |
| 2019-05-13 | Open-market buy | 9,328 | $1.99 | 27,206,505 |
| 2019-05-10 | Open-market buy | 19,950 | $2.10 | 27,147,127 |
| 2019-05-10 | Open-market buy | 7,800 | $2.08 | 27,084,977 |
| 2019-05-10 | Open-market buy | 42,200 | $2.08 | 27,127,177 |
| 2019-05-10 | Open-market buy | 50 | $2.10 | 27,147,177 |
| 2019-05-09 | Open-market buy | 23,255 | $2.09 | 27,021,341 |
| 2019-05-09 | Open-market buy | 19,526 | $2.09 | 26,998,086 |
| 2019-05-09 | Open-market buy | 10,620 | $2.08 | 26,978,560 |
| 2019-05-09 | Open-market buy | 3,136 | $2.08 | 26,967,940 |
| 2019-05-09 | Open-market buy | 6,818 | $2.07 | 26,964,804 |
| 2019-05-09 | Open-market buy | 5,360 | $2.07 | 26,957,986 |
| 2019-05-09 | Open-market buy | 38 | $2.06 | 26,952,626 |
| 2019-05-09 | Open-market buy | 17,320 | $2.05 | 26,952,588 |
| 2019-05-09 | Open-market buy | 2,991 | $2.05 | 26,935,268 |
| 2019-05-09 | Open-market buy | 21,700 | $2.04 | 26,932,277 |
| 2019-05-09 | Open-market buy | 200 | $2.03 | 26,910,577 |
| 2019-05-09 | Open-market buy | 2,391 | $2.12 | 27,077,177 |
| 2019-05-09 | Open-market buy | 6,400 | $2.01 | 26,798,577 |
| 2019-05-09 | Open-market buy | 31,100 | $2.02 | 26,829,677 |
| 2019-05-09 | Open-market buy | 77,800 | $2.03 | 26,907,477 |
| 2019-05-09 | Open-market buy | 9,036 | $2.10 | 27,030,377 |
| 2019-05-09 | Open-market buy | 9,602 | $2.10 | 27,039,979 |
| 2019-05-09 | Open-market buy | 11,279 | $2.11 | 27,072,468 |
| 2019-05-09 | Open-market buy | 2,900 | $2.03 | 26,910,377 |
| 2019-05-09 | Open-market buy | 21,210 | $2.11 | 27,061,189 |
| 2019-05-09 | Open-market buy | 2,318 | $2.12 | 27,074,786 |
| 2019-05-08 | Open-market buy | 400 | $2.23 | 26,783,377 |
| 2019-05-08 | Open-market buy | 800 | $2.23 | 26,782,977 |
| 2019-05-08 | Open-market buy | 10,000 | $2.22 | 26,782,177 |
| 2019-05-08 | Open-market buy | 21,697 | $2.21 | 26,772,177 |
| 2019-05-08 | Open-market buy | 7,630 | $2.21 | 26,750,480 |
| 2019-05-08 | Open-market buy | 9,100 | $2.20 | 26,742,850 |
| 2019-05-08 | Open-market buy | 900 | $2.20 | 26,733,750 |
| 2019-05-08 | Open-market buy | 5,673 | $2.19 | 26,732,850 |
| 2019-05-08 | Open-market buy | 600 | $2.18 | 26,727,177 |
| 2019-05-08 | Open-market buy | 36,190 | $2.17 | 26,726,577 |
| 2019-05-08 | Open-market buy | 510 | $2.17 | 26,690,387 |
| 2019-05-08 | Open-market buy | 37,455 | $2.16 | 26,689,877 |
| 2019-05-08 | Open-market buy | 20,245 | $2.16 | 26,652,422 |
| 2019-05-08 | Open-market buy | 10,618 | $2.13 | 26,632,177 |
| 2019-05-08 | Open-market buy | 17,084 | $2.12 | 26,621,559 |
| 2019-05-08 | Open-market buy | 32,497 | $2.12 | 26,604,475 |
| 2019-05-08 | Open-market buy | 46,163 | $2.11 | 26,571,978 |
| 2019-05-08 | Open-market buy | 77,738 | $2.11 | 26,525,815 |
| 2019-05-08 | Open-market buy | 80,737 | $2.10 | 26,448,077 |
| 2019-05-08 | Open-market buy | 164,744 | $2.10 | 26,367,340 |
| 2019-05-08 | Open-market buy | 170,559 | $2.09 | 26,202,596 |
| 2019-05-08 | Open-market buy | 66,724 | $2.09 | 26,032,037 |
| 2019-05-08 | Open-market buy | 60,000 | $2.08 | 25,965,313 |
| 2019-05-08 | Open-market buy | 8,800 | $2.23 | 26,792,177 |
| 2019-05-08 | Open-market buy | 20,136 | $2.08 | 25,905,313 |
| 2019-04-22 | Open-market buy | 20,000 | $2.31 | 25,855,177 |
| 2019-04-22 | Open-market buy | 1,000 | $2.36 | 25,876,177 |
| 2019-04-22 | Open-market buy | 10,000 | $2.35 | 25,875,177 |
| 2019-04-22 | Open-market buy | 10,000 | $2.34 | 25,865,177 |
| 2019-04-22 | Open-market buy | 9,000 | $2.36 | 25,885,177 |
| 2019-04-22 | Open-market buy | 10,000 | $2.31 | 25,835,177 |
| 2019-04-22 | Open-market buy | 13,623 | $2.30 | 25,825,177 |
| 2019-04-22 | Open-market buy | 6,377 | $2.30 | 25,811,554 |
| 2019-04-17 | Open-market buy | 8,509 | $2.42 | 25,785,177 |
| 2019-04-17 | Open-market buy | 7,867 | $2.43 | 25,793,044 |
| 2019-04-17 | Open-market buy | 12,133 | $2.43 | 25,805,177 |
| 2019-04-17 | Open-market buy | 11,491 | $2.42 | 25,776,668 |
| 2019-04-17 | Open-market buy | 10,000 | $2.41 | 25,765,177 |
| 2019-04-16 | Open-market buy | 600 | $2.50 | 25,745,777 |
| 2019-04-16 | Open-market buy | 9,400 | $2.50 | 25,755,177 |
| 2019-04-15 | Open-market buy | 10,000 | $2.47 | 25,745,177 |
| 2019-04-12 | Open-market buy | 1,200 | $2.50 | 25,716,377 |
| 2019-04-12 | Open-market buy | 18,800 | $2.50 | 25,735,177 |
| 2019-04-11 | Open-market buy | 10,000 | $2.49 | 25,705,177 |
| 2019-04-11 | Open-market buy | 7,800 | $2.50 | 25,712,977 |
| 2019-04-11 | Open-market buy | 2,200 | $2.50 | 25,715,177 |
| 2019-04-11 | Open-market buy | 10,000 | $2.47 | 25,695,177 |
| 2019-04-10 | Open-market buy | 10,944 | $2.53 | 25,680,521 |
| 2019-04-10 | Open-market buy | 4,400 | $2.53 | 25,669,577 |
| 2019-04-10 | Open-market buy | 56 | $2.54 | 25,685,177 |
| 2019-04-10 | Open-market buy | 4,600 | $2.54 | 25,685,121 |
| 2019-04-09 | Open-market buy | 1,400 | $2.51 | 25,656,577 |
| 2019-04-09 | Open-market buy | 8,600 | $2.51 | 25,665,177 |
| 2019-04-04 | Open-market buy | 6,426 | $2.53 | 25,641,603 |
| 2019-04-04 | Open-market buy | 3,974 | $2.55 | 25,655,177 |
| 2019-04-04 | Open-market buy | 9,600 | $2.53 | 25,651,203 |
| 2019-04-02 | Open-market buy | 37,415 | $2.53 | 25,635,177 |
| 2019-04-02 | Open-market buy | 2,585 | $2.53 | 25,597,762 |
| 2019-04-01 | Open-market buy | 9,200 | $2.58 | 25,594,049 |
| 2019-04-01 | Open-market buy | 1,000 | $2.59 | 25,595,049 |
| 2019-04-01 | Open-market buy | 128 | $2.61 | 25,595,177 |
| 2019-04-01 | Open-market buy | 9,672 | $2.58 | 25,584,849 |
| 2019-03-27 | Open-market buy | 70,742 | $2.49 | 25,545,919 |
| 2019-03-27 | Open-market buy | 29,258 | $2.49 | 25,575,177 |
| 2019-03-18 | Open-market buy | 19,500 | $2.48 | 25,475,177 |
| 2019-03-18 | Open-market buy | 3,000 | $2.47 | 25,438,177 |
| 2019-03-18 | Open-market buy | 17,000 | $2.47 | 25,455,177 |
| 2019-03-18 | Open-market buy | 500 | $2.48 | 25,455,677 |
| 2019-03-14 | Open-market buy | 6,623 | $2.45 | 25,316,970 |
| 2019-03-14 | Open-market buy | 300 | $2.41 | 25,185,477 |
| 2019-03-14 | Open-market buy | 10,554 | $2.42 | 25,196,031 |
| 2019-03-14 | Open-market buy | 5,846 | $2.42 | 25,201,877 |
| 2019-03-14 | Open-market buy | 11,847 | $2.43 | 25,213,724 |
| 2019-03-14 | Open-market buy | 35,560 | $2.43 | 25,249,284 |
| 2019-03-14 | Open-market buy | 28,632 | $2.48 | 25,435,177 |
| 2019-03-14 | Open-market buy | 21,368 | $2.48 | 25,406,545 |
| 2019-03-14 | Open-market buy | 45,928 | $2.47 | 25,385,177 |
| 2019-03-14 | Open-market buy | 4,072 | $2.47 | 25,339,249 |
| 2019-03-14 | Open-market buy | 18,207 | $2.46 | 25,335,177 |
| 2019-03-14 | Open-market buy | 30,241 | $2.45 | 25,310,347 |
| 2019-03-14 | Open-market buy | 100 | $2.44 | 25,280,106 |
| 2019-03-14 | Open-market buy | 8,006 | $2.44 | 25,280,006 |
| 2019-03-14 | Open-market buy | 22,616 | $2.44 | 25,272,000 |
| 2019-03-14 | Open-market buy | 100 | $2.43 | 25,249,384 |
| 2019-03-06 | Open-market buy | 36,182 | $2.57 | 25,171,359 |
| 2019-03-06 | Open-market buy | 3,300 | $2.58 | 25,174,659 |
| 2019-03-06 | Open-market buy | 10,518 | $2.58 | 25,185,177 |
| 2019-02-28 | Open-market buy | 10,700 | $2.48 | 24,945,877 |
| 2019-02-28 | Open-market buy | 189,300 | $2.48 | 25,135,177 |
| 2019-01-17 | Open-market buy | 3,100 | $3.71 | 24,935,177 |
| 2019-01-17 | Open-market buy | 200 | $3.71 | 24,932,077 |
| 2019-01-17 | Open-market buy | 2,100 | $3.68 | 24,931,877 |
| 2019-01-17 | Open-market buy | 7,900 | $3.66 | 24,929,777 |
| 2019-01-17 | Open-market buy | 1,700 | $3.65 | 24,921,877 |
| 2019-01-16 | Open-market buy | 2,674 | $3.73 | 24,915,177 |
| 2019-01-16 | Open-market buy | 1,500 | $3.75 | 24,916,677 |
| 2019-01-16 | Open-market buy | 3,500 | $3.75 | 24,920,177 |
| 2019-01-16 | Open-market buy | 2,326 | $3.72 | 24,912,503 |
| 2019-01-14 | Open-market buy | 2,000 | $3.73 | 24,902,177 |
| 2019-01-14 | Open-market buy | 1,999 | $3.77 | 24,907,176 |
| 2019-01-14 | Open-market buy | 3,000 | $3.73 | 24,905,177 |
| 2019-01-14 | Open-market buy | 3,001 | $3.77 | 24,910,177 |
| 2019-01-14 | Open-market buy | 15 | $3.72 | 24,900,177 |
| 2019-01-14 | Open-market buy | 4,985 | $3.72 | 24,900,162 |
| 2019-01-11 | Open-market buy | 5,000 | $3.84 | 24,895,177 |
| 2019-01-11 | Open-market buy | 5,000 | $3.83 | 24,890,177 |
| 2019-01-10 | Open-market buy | 1,936 | $3.68 | 24,880,177 |
| 2019-01-10 | Open-market buy | 400 | $3.71 | 24,880,577 |
| 2019-01-10 | Open-market buy | 4,600 | $3.71 | 24,885,177 |
| 2019-01-10 | Open-market buy | 3,064 | $3.67 | 24,878,241 |
| 2019-01-09 | Open-market buy | 4,900 | $3.65 | 24,870,077 |
| 2019-01-09 | Open-market buy | 100 | $3.65 | 24,870,177 |
| 2019-01-09 | Open-market buy | 5,000 | $3.66 | 24,875,177 |
| 2019-01-08 | Open-market buy | 2,500 | $3.61 | 24,842,977 |
| 2019-01-08 | Open-market buy | 2,400 | $3.67 | 24,862,577 |
| 2019-01-08 | Open-market buy | 5,000 | $3.63 | 24,860,177 |
| 2019-01-08 | Open-market buy | 12,100 | $3.62 | 24,855,177 |
| 2019-01-08 | Open-market buy | 100 | $3.62 | 24,843,077 |
| 2019-01-08 | Open-market buy | 2,600 | $3.67 | 24,865,177 |
| 2019-01-08 | Open-market buy | 300 | $3.61 | 24,840,477 |
| 2019-01-08 | Open-market buy | 3,600 | $3.57 | 24,840,177 |
| 2019-01-08 | Open-market buy | 6,300 | $3.56 | 24,836,577 |
| 2019-01-08 | Open-market buy | 100 | $3.56 | 24,830,277 |
| 2019-01-07 | Open-market buy | 5,200 | $3.67 | 24,820,377 |
| 2019-01-07 | Open-market buy | 4,400 | $3.66 | 24,815,177 |
| 2019-01-07 | Open-market buy | 600 | $3.66 | 24,810,777 |
| 2019-01-07 | Open-market buy | 2,000 | $3.65 | 24,810,177 |
| 2019-01-07 | Open-market buy | 7,000 | $3.64 | 24,808,177 |
| 2019-01-07 | Open-market buy | 1,000 | $3.64 | 24,801,177 |
| 2019-01-07 | Open-market buy | 7,600 | $3.46 | 24,800,177 |
| 2019-01-07 | Open-market buy | 3,200 | $3.46 | 24,792,577 |
| 2019-01-07 | Open-market buy | 3,200 | $3.45 | 24,789,377 |
| 2019-01-07 | Open-market buy | 1,000 | $3.45 | 24,786,177 |
| 2019-01-07 | Open-market buy | 5,000 | $3.44 | 24,785,177 |
| 2019-01-07 | Open-market buy | 9,800 | $3.67 | 24,830,177 |
| 2019-01-07 | Open-market buy | 4,800 | $3.43 | 24,780,177 |
| 2019-01-07 | Open-market buy | 200 | $3.43 | 24,775,377 |
| 2019-01-04 | Open-market buy | 2,023 | $3.36 | 24,755,989 |
| 2019-01-04 | Open-market buy | 5,000 | $3.51 | 24,770,177 |
| 2019-01-04 | Open-market buy | 4,800 | $3.49 | 24,765,177 |
| 2019-01-04 | Open-market buy | 200 | $3.48 | 24,760,377 |
| 2019-01-04 | Open-market buy | 1,188 | $3.37 | 24,760,177 |
| 2019-01-04 | Open-market buy | 3,000 | $3.37 | 24,758,989 |
| 2019-01-04 | Open-market buy | 5,000 | $3.54 | 24,775,177 |
| 2019-01-04 | Open-market buy | 1,400 | $3.36 | 24,753,966 |
| 2019-01-04 | Open-market buy | 3,689 | $3.35 | 24,752,566 |
| 2019-01-04 | Open-market buy | 600 | $3.35 | 24,748,877 |
| 2019-01-04 | Open-market buy | 3,000 | $3.33 | 24,748,277 |
| 2019-01-04 | Open-market buy | 100 | $3.32 | 24,745,277 |
| 2019-01-03 | Open-market buy | 4,900 | $3.25 | 24,716,567 |
| 2019-01-03 | Open-market buy | 5,000 | $3.23 | 24,710,377 |
| 2019-01-03 | Open-market buy | 1,400 | $3.23 | 24,705,377 |
| 2019-01-03 | Open-market buy | 900 | $3.22 | 24,703,977 |
| 2019-01-03 | Open-market buy | 4,200 | $3.21 | 24,703,077 |
| 2019-01-03 | Open-market buy | 200 | $3.20 | 24,698,877 |
| 2019-01-03 | Open-market buy | 3,300 | $3.20 | 24,698,677 |
| 2019-01-03 | Open-market buy | 200 | $3.19 | 24,695,377 |
| 2019-01-03 | Open-market buy | 600 | $3.31 | 24,745,177 |
| 2019-01-03 | Open-market buy | 5,000 | $3.30 | 24,744,577 |
| 2019-01-03 | Open-market buy | 3,500 | $3.30 | 24,739,577 |
| 2019-01-03 | Open-market buy | 900 | $3.29 | 24,736,077 |
| 2019-01-03 | Open-market buy | 7,432 | $3.28 | 24,735,177 |
| 2019-01-03 | Open-market buy | 2,568 | $3.28 | 24,727,745 |
| 2019-01-03 | Open-market buy | 5,000 | $3.26 | 24,725,177 |
| 2019-01-03 | Open-market buy | 3,610 | $3.25 | 24,720,177 |
| 2019-01-03 | Open-market buy | 1,190 | $3.24 | 24,711,567 |
| 2019-01-03 | Open-market buy | 100 | $3.24 | 24,711,667 |
| 2019-01-02 | Open-market buy | 1,900 | $3.33 | 24,687,077 |
| 2019-01-02 | Open-market buy | 4,700 | $3.38 | 24,695,177 |
| 2019-01-02 | Open-market buy | 300 | $3.38 | 24,690,477 |
| 2019-01-02 | Open-market buy | 3,100 | $3.33 | 24,690,177 |
| 2019-01-02 | Open-market buy | 5,000 | $3.30 | 24,685,177 |
| 2019-01-02 | Open-market buy | 1,560 | $3.28 | 24,680,177 |
| 2019-01-02 | Open-market buy | 8,440 | $3.28 | 24,678,617 |
| 2019-01-02 | Open-market buy | 5,000 | $3.23 | 24,670,177 |
| 2019-01-02 | Open-market buy | 3,200 | $3.13 | 24,665,177 |
| 2019-01-02 | Open-market buy | 1,800 | $3.12 | 24,661,977 |
| 2019-01-02 | Open-market buy | 3,400 | $3.04 | 24,660,177 |
| 2019-01-02 | Open-market buy | 1,600 | $3.03 | 24,656,777 |
| 2018-12-31 | Open-market buy | 9,900 | $2.98 | 24,600,177 |
| 2018-12-31 | Open-market buy | 100 | $2.98 | 24,590,277 |
| 2018-12-31 | Open-market buy | 10,000 | $2.94 | 24,590,177 |
| 2018-12-31 | Open-market buy | 3,700 | $2.93 | 24,580,177 |
| 2018-12-31 | Open-market buy | 6,300 | $2.93 | 24,576,477 |
| 2018-12-31 | Open-market buy | 13,200 | $2.90 | 24,570,177 |
| 2018-12-31 | Open-market buy | 1,800 | $2.90 | 24,556,977 |
| 2018-12-31 | Open-market buy | 30,036 | $2.89 | 24,555,177 |
| 2018-12-31 | Open-market buy | 1,000 | $2.89 | 24,525,141 |
| 2018-12-31 | Open-market buy | 3,964 | $2.88 | 24,524,141 |
| 2018-12-31 | Open-market buy | 6,249 | $3.15 | 24,655,177 |
| 2018-12-31 | Open-market buy | 3,751 | $3.14 | 24,648,928 |
| 2018-12-31 | Open-market buy | 8,900 | $3.09 | 24,645,177 |
| 2018-12-31 | Open-market buy | 1,100 | $3.09 | 24,636,277 |
| 2018-12-31 | Open-market buy | 15,000 | $3.05 | 24,635,177 |
| 2018-12-31 | Open-market buy | 4,500 | $3.01 | 24,620,177 |
| 2018-12-31 | Open-market buy | 500 | $3.01 | 24,615,677 |
| 2018-12-31 | Open-market buy | 14,900 | $2.99 | 24,615,177 |
| 2018-12-31 | Open-market buy | 100 | $2.99 | 24,600,277 |
| 2018-12-28 | Open-market buy | 11,660 | $3.23 | 24,520,177 |
| 2018-12-28 | Open-market buy | 1,300 | $3.23 | 24,508,517 |
| 2018-12-28 | Open-market buy | 7,040 | $3.22 | 24,507,217 |
| 2018-12-28 | Open-market buy | 9,600 | $3.18 | 24,500,177 |
| 2018-12-28 | Open-market buy | 400 | $3.18 | 24,490,577 |
| 2018-12-28 | Open-market buy | 9,600 | $3.17 | 24,490,177 |
| 2018-12-28 | Open-market buy | 400 | $3.17 | 24,480,577 |
| 2018-12-28 | Open-market buy | 8,100 | $3.08 | 24,443,277 |
| 2018-12-28 | Open-market buy | 573 | $3.15 | 24,472,570 |
| 2018-12-28 | Open-market buy | 1,820 | $3.13 | 24,471,997 |
| 2018-12-28 | Open-market buy | 20,156 | $3.10 | 24,470,177 |
| 2018-12-28 | Open-market buy | 6,744 | $3.09 | 24,450,021 |
| 2018-12-28 | Open-market buy | 1,000 | $3.01 | 24,421,177 |
| 2018-12-28 | Open-market buy | 14,000 | $3.01 | 24,435,177 |
| 2018-12-28 | Open-market buy | 7,607 | $3.15 | 24,480,177 |
| 2018-11-08 | Grant / award | 20,057,307 | $3.49 | 24,420,177 |
| 2018-09-07 | Open-market buy | 830 | $5.66 | 4,362,700 |
| 2018-09-07 | Open-market buy | 1,000 | $5.63 | 4,361,870 |
| 2018-09-07 | Open-market buy | 1,000 | $5.60 | 4,360,870 |
| 2018-09-07 | Open-market buy | 1,844 | $5.55 | 4,357,049 |
| 2018-09-07 | Open-market buy | 109 | $5.57 | 4,357,158 |
| 2018-09-07 | Open-market buy | 265 | $5.58 | 4,357,423 |
| 2018-09-07 | Open-market buy | 170 | $5.66 | 4,362,870 |
| 2018-09-07 | Open-market buy | 1,000 | $5.45 | 4,353,870 |
| 2018-09-07 | Open-market buy | 1,335 | $5.54 | 4,355,205 |
| 2018-09-07 | Open-market buy | 2,447 | $5.58 | 4,359,870 |
| 2018-09-05 | Open-market buy | 3,560 | $5.81 | 4,352,870 |
| 2018-09-05 | Open-market buy | 5,000 | $5.78 | 4,347,870 |
| 2018-09-05 | Open-market buy | 1,440 | $5.81 | 4,349,310 |
| 2018-08-30 | Open-market buy | 5,000 | $5.90 | 4,342,870 |
| 2018-08-28 | Open-market buy | 100 | $5.80 | 4,334,170 |
| 2018-08-28 | Open-market buy | 3,700 | $5.80 | 4,337,870 |
| 2018-08-28 | Open-market buy | 1,200 | $5.80 | 4,334,070 |
| 2018-08-24 | Open-market buy | 3,578 | $5.69 | 4,326,448 |
| 2018-08-24 | Open-market buy | 300 | $5.75 | 4,328,170 |
| 2018-08-24 | Open-market buy | 1,322 | $5.70 | 4,327,870 |
| 2018-08-24 | Open-market buy | 100 | $5.70 | 4,326,548 |
| 2018-08-24 | Open-market buy | 4,700 | $5.75 | 4,332,870 |
| 2018-08-24 | Open-market buy | 3,300 | $5.67 | 4,322,870 |
| 2018-08-24 | Open-market buy | 100 | $5.67 | 4,319,570 |
| 2018-08-24 | Open-market buy | 1,500 | $5.67 | 4,319,470 |
| 2018-08-24 | Open-market buy | 100 | $5.66 | 4,317,970 |
| 2018-08-17 | Open-market buy | 3,000 | $5.46 | 4,311,870 |
| 2018-08-17 | Open-market buy | 2,347 | $5.59 | 4,315,217 |
| 2018-08-17 | Open-market buy | 1,000 | $5.58 | 4,312,870 |
| 2018-08-17 | Open-market buy | 100 | $5.59 | 4,315,317 |
| 2018-08-17 | Open-market buy | 1,000 | $5.45 | 4,308,870 |
| 2018-08-17 | Open-market buy | 1,998 | $5.60 | 4,317,870 |
| 2018-08-17 | Open-market buy | 555 | $5.59 | 4,315,872 |
| 2018-08-13 | Open-market buy | 1,000 | $5.32 | 4,299,870 |
| 2018-08-13 | Open-market buy | 200 | $5.41 | 4,305,070 |
| 2018-08-13 | Open-market buy | 2,592 | $5.34 | 4,304,870 |
| 2018-08-13 | Open-market buy | 2,408 | $5.33 | 4,302,278 |
| 2018-08-13 | Open-market buy | 2,800 | $5.41 | 4,307,870 |
| 2018-08-13 | Open-market buy | 1,000 | $5.31 | 4,298,870 |
| 2018-08-13 | Open-market buy | 4,400 | $5.28 | 4,297,870 |
| 2018-08-13 | Open-market buy | 600 | $5.28 | 4,293,470 |
| 2018-08-09 | Open-market buy | 2,700 | $5.44 | 4,287,870 |
| 2018-08-09 | Open-market buy | 2,792 | $5.47 | 4,290,662 |
| 2018-08-09 | Open-market buy | 2,208 | $5.47 | 4,292,870 |
| 2018-08-09 | Open-market buy | 2,300 | $5.44 | 4,285,170 |
| 2018-07-26 | Open-market buy | 12,500 | $5.08 | 4,255,370 |
| 2018-07-26 | Open-market buy | 8,100 | $5.08 | 4,242,870 |
| 2018-07-26 | Open-market buy | 2,700 | $5.07 | 4,234,770 |
| 2018-07-26 | Open-market buy | 1,700 | $5.06 | 4,232,070 |
| 2018-07-26 | Open-market buy | 5,000 | $5.05 | 4,230,370 |
| 2018-07-26 | Open-market buy | 8,925 | $5.04 | 4,225,370 |
| 2018-07-26 | Open-market buy | 1,075 | $5.04 | 4,216,445 |
| 2018-07-26 | Open-market buy | 5,000 | $5.03 | 4,215,370 |
| 2018-07-26 | Open-market buy | 5,000 | $5.00 | 4,210,370 |
| 2018-07-26 | Open-market buy | 5,000 | $4.97 | 4,205,370 |
| 2018-07-26 | Open-market buy | 7,500 | $4.96 | 4,200,370 |
| 2018-07-26 | Open-market buy | 5,000 | $5.13 | 4,282,870 |
| 2018-07-26 | Open-market buy | 5,000 | $5.12 | 4,277,870 |
| 2018-07-26 | Open-market buy | 12,200 | $5.10 | 4,272,870 |
| 2018-07-26 | Open-market buy | 4,800 | $5.10 | 4,260,670 |
| 2018-07-26 | Open-market buy | 500 | $5.09 | 4,255,870 |
| 2018-07-25 | Open-market buy | 10,000 | $5.49 | 4,162,870 |
| 2018-07-25 | Open-market buy | 9,500 | $5.42 | 4,152,870 |
| 2018-07-25 | Open-market buy | 1,200 | $5.42 | 4,143,370 |
| 2018-07-25 | Open-market buy | 9,300 | $5.42 | 4,142,170 |
| 2018-07-25 | Open-market buy | 9,700 | $5.51 | 4,192,870 |
| 2018-07-25 | Open-market buy | 300 | $5.50 | 4,183,170 |
| 2018-07-25 | Open-market buy | 10,000 | $5.50 | 4,182,870 |
| 2018-07-25 | Open-market buy | 9,400 | $5.50 | 4,172,870 |
| 2018-07-25 | Open-market buy | 600 | $5.49 | 4,163,470 |
| 2018-07-24 | Open-market buy | 1,200 | $5.72 | 4,120,670 |
| 2018-07-24 | Open-market buy | 1,600 | $5.72 | 4,119,470 |
| 2018-07-24 | Open-market buy | 3,072 | $5.67 | 4,117,870 |
| 2018-07-24 | Open-market buy | 300 | $5.67 | 4,114,798 |
| 2018-07-24 | Open-market buy | 1,628 | $5.67 | 4,114,498 |
| 2018-07-24 | Open-market buy | 2,200 | $5.65 | 4,112,870 |
| 2018-07-24 | Open-market buy | 200 | $5.65 | 4,110,670 |
| 2018-07-24 | Open-market buy | 1,400 | $5.65 | 4,110,470 |
| 2018-07-24 | Open-market buy | 1,100 | $5.65 | 4,109,070 |
| 2018-07-24 | Open-market buy | 100 | $5.64 | 4,107,970 |
| 2018-07-24 | Open-market buy | 3,450 | $5.58 | 4,107,870 |
| 2018-07-24 | Open-market buy | 10,000 | $5.79 | 4,132,870 |
| 2018-07-24 | Open-market buy | 2,150 | $5.58 | 4,103,920 |
| 2018-07-24 | Open-market buy | 2,000 | $5.54 | 4,101,770 |
| 2018-07-24 | Open-market buy | 1,500 | $5.53 | 4,099,770 |
| 2018-07-24 | Open-market buy | 400 | $5.52 | 4,098,270 |
| 2018-07-24 | Open-market buy | 10,000 | $5.51 | 4,097,870 |
| 2018-07-24 | Open-market buy | 9,000 | $5.40 | 4,087,870 |
| 2018-07-24 | Open-market buy | 100 | $5.40 | 4,078,870 |
| 2018-07-24 | Open-market buy | 400 | $5.40 | 4,078,770 |
| 2018-07-24 | Open-market buy | 500 | $5.39 | 4,078,370 |
| 2018-07-24 | Open-market buy | 2,200 | $5.72 | 4,122,870 |
| 2018-07-24 | Open-market buy | 500 | $5.58 | 4,104,420 |
| 2018-07-20 | Open-market buy | 10,000 | $5.89 | 4,077,870 |
| 2018-07-19 | Open-market buy | 10,000 | $5.95 | 4,067,870 |
| 2018-07-18 | Open-market buy | 10,000 | $6.05 | 4,057,870 |
| 2018-07-16 | Open-market buy | 9,800 | $5.66 | 4,042,870 |
| 2018-07-16 | Open-market buy | 200 | $5.66 | 4,033,070 |
| 2018-07-16 | Open-market buy | 200 | $5.73 | 4,043,070 |
| 2018-07-16 | Open-market buy | 4,800 | $5.73 | 4,047,870 |
| 2018-07-03 | Open-market buy | 400 | $4.72 | 4,025,170 |
| 2018-07-03 | Open-market buy | 1,500 | $4.71 | 4,024,370 |
| 2018-07-03 | Open-market buy | 400 | $4.72 | 4,024,770 |
| 2018-07-03 | Open-market buy | 2,000 | $4.75 | 4,027,170 |
| 2018-07-03 | Open-market buy | 3,000 | $4.76 | 4,030,170 |
| 2018-07-03 | Open-market buy | 500 | $4.78 | 4,032,870 |
| 2018-07-03 | Open-market buy | 1,700 | $4.77 | 4,032,370 |
| 2018-07-03 | Open-market buy | 500 | $4.77 | 4,030,670 |
| 2018-06-29 | Open-market buy | 6,000 | $4.72 | 4,022,870 |
| 2018-06-29 | Open-market buy | 1,720 | $4.66 | 4,016,870 |
| 2018-06-28 | Open-market buy | 10,000 | $4.61 | 4,005,150 |
| 2018-06-28 | Open-market buy | 10,000 | $4.75 | 4,015,150 |
| 2018-06-27 | Open-market buy | 10,000 | $4.75 | 3,995,150 |
| 2018-06-22 | Open-market buy | 10,000 | $4.45 | 3,985,150 |
| 2018-06-21 | Open-market buy | 10,000 | $4.48 | 3,955,150 |
| 2018-06-21 | Open-market buy | 10,000 | $4.60 | 3,975,150 |
| 2018-06-21 | Open-market buy | 10,000 | $4.54 | 3,965,150 |
| 2018-06-21 | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2018-06-19 | Open-market buy | 10,000 | $4.35 | 3,945,150 |
| 2018-06-19 | Open-market buy | 10,000 | $4.28 | 3,935,150 |
| 2018-06-18 | Open-market buy | 10,000 | $4.34 | 3,925,150 |
| 2018-06-18 | Open-market buy | 257 | $4.33 | 3,911,108 |
| 2018-06-18 | Open-market buy | 4,042 | $4.33 | 3,915,150 |
| 2018-06-15 | Open-market buy | 10,000 | $4.42 | 3,910,851 |
| 2018-06-11 | Open-market buy | 10,000 | $4.22 | 3,900,851 |
| 2018-06-07 | Open-market buy | 10,000 | $4.04 | 3,890,851 |
| 2018-06-06 | Open-market buy | 10,000 | $4.05 | 3,870,851 |
| 2018-06-06 | Open-market buy | 10,000 | $4.02 | 3,860,851 |
| 2018-06-06 | Open-market buy | 10,000 | $4.08 | 3,880,851 |
| 2018-05-31 | Open-market buy | 3,900 | $3.76 | 3,850,851 |
| 2018-05-25 | Open-market buy | 10,000 | $3.70 | 3,846,951 |
| 2018-05-23 | Open-market buy | 10,000 | $3.80 | 3,836,951 |
| 2018-05-23 | Open-market buy | 10,000 | $3.75 | 3,826,951 |
| 2018-05-23 | Open-market buy | 10,000 | $3.72 | 3,816,951 |
| 2018-05-23 | Open-market buy | 10,000 | $3.66 | 3,806,951 |
| 2018-05-22 | Open-market buy | 10,000 | $3.73 | 3,796,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.81 | 3,746,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.66 | 3,706,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.97 | 3,786,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.95 | 3,776,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.92 | 3,766,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.84 | 3,756,951 |
| 2018-05-21 | Open-market buy | 10,000 | $3.80 | 3,736,951 |
| 2018-05-21 | Open-market buy | 9,200 | $3.74 | 3,726,951 |
| 2018-05-21 | Open-market buy | 800 | $3.74 | 3,717,751 |
| 2018-05-21 | Open-market buy | 10,000 | $3.72 | 3,716,951 |
| 2018-05-18 | Open-market buy | 4,600 | $3.90 | 3,616,951 |
| 2018-05-18 | Open-market buy | 400 | $3.90 | 3,612,351 |
| 2018-05-18 | Open-market buy | 4,400 | $3.84 | 3,611,951 |
| 2018-05-18 | Open-market buy | 4,500 | $3.84 | 3,607,551 |
| 2018-05-18 | Open-market buy | 1,100 | $3.84 | 3,603,051 |
| 2018-05-18 | Open-market buy | 5,000 | $3.83 | 3,601,951 |
| 2018-05-18 | Open-market buy | 4,900 | $4.34 | 3,696,951 |
| 2018-05-18 | Open-market buy | 100 | $4.34 | 3,692,051 |
| 2018-05-18 | Open-market buy | 5,000 | $4.31 | 3,691,951 |
| 2018-05-18 | Open-market buy | 10,000 | $4.20 | 3,686,951 |
| 2018-05-18 | Open-market buy | 5,000 | $4.16 | 3,676,951 |
| 2018-05-18 | Open-market buy | 1,347 | $4.15 | 3,671,951 |
| 2018-05-18 | Open-market buy | 2,853 | $4.14 | 3,670,604 |
| 2018-05-18 | Open-market buy | 800 | $4.14 | 3,667,751 |
| 2018-05-18 | Open-market buy | 3,000 | $4.07 | 3,666,951 |
| 2018-05-18 | Open-market buy | 3,000 | $4.02 | 3,663,951 |
| 2018-05-18 | Open-market buy | 34,200 | $4.00 | 3,660,951 |
| 2018-05-18 | Open-market buy | 1,800 | $4.00 | 3,626,751 |
| 2018-05-18 | Open-market buy | 3,000 | $3.99 | 3,624,951 |
| 2018-05-18 | Open-market buy | 2,833 | $3.96 | 3,621,951 |
| 2018-05-18 | Open-market buy | 600 | $3.96 | 3,619,118 |
| 2018-05-18 | Open-market buy | 200 | $3.95 | 3,618,518 |
| 2018-05-18 | Open-market buy | 1,367 | $3.94 | 3,618,318 |
| 2018-05-04 | Open-market buy | 16,000 | $3.14 | 3,596,951 |
| 2018-05-04 | Open-market buy | 10,000 | $3.13 | 3,580,951 |
| 2018-05-03 | Open-market buy | 1,800 | $3.11 | 3,570,951 |
| 2018-05-03 | Open-market buy | 10,000 | $3.10 | 3,569,151 |
| 2018-05-03 | Open-market buy | 30,000 | $3.09 | 3,559,151 |
| 2018-05-03 | Open-market buy | 10,000 | $3.07 | 3,529,151 |
| 2018-05-02 | Open-market buy | 10,000 | $3.14 | 3,489,151 |
| 2018-05-02 | Open-market buy | 10,000 | $3.17 | 3,509,151 |
| 2018-05-02 | Open-market buy | 10,000 | $3.15 | 3,499,151 |
| 2018-05-02 | Open-market buy | 10,000 | $3.19 | 3,519,151 |
| 2018-05-02 | Open-market buy | 330 | $3.12 | 3,479,151 |
| 2018-05-02 | Open-market buy | 10,000 | $3.11 | 3,478,821 |
| 2018-05-01 | Open-market buy | 12,000 | $3.03 | 3,458,821 |
| 2018-05-01 | Open-market buy | 9,222 | $3.02 | 3,446,821 |
| 2018-05-01 | Open-market buy | 10,000 | $3.10 | 3,468,821 |
| 2018-04-30 | Open-market buy | 2,600 | $3.13 | 3,432,599 |
| 2018-04-30 | Open-market buy | 2,400 | $3.12 | 3,429,999 |
| 2018-04-30 | Open-market buy | 10,000 | $3.11 | 3,427,599 |
| 2018-04-30 | Open-market buy | 5,000 | $3.14 | 3,437,599 |
| 2018-04-30 | Open-market buy | 10,000 | $3.07 | 3,407,599 |
| 2018-04-30 | Open-market buy | 35,000 | $3.06 | 3,397,599 |
| 2018-04-30 | Open-market buy | 10,000 | $3.09 | 3,417,599 |
| 2018-04-26 | Open-market buy | 1,000 | $3.03 | 3,341,799 |
| 2018-04-26 | Open-market buy | 10,000 | $3.02 | 3,340,799 |
| 2018-04-26 | Open-market buy | 10,800 | $3.03 | 3,352,599 |
| 2018-04-26 | Open-market buy | 10,000 | $3.05 | 3,362,599 |
| 2018-04-25 | Open-market buy | 9,800 | $2.99 | 3,310,767 |
| 2018-04-25 | Open-market buy | 200 | $2.99 | 3,300,967 |
| 2018-04-25 | Open-market buy | 10,000 | $3.03 | 3,330,799 |
| 2018-04-25 | Open-market buy | 10,000 | $2.94 | 3,290,767 |
| 2018-04-25 | Open-market buy | 5,340 | $2.93 | 3,280,767 |
| 2018-04-25 | Open-market buy | 32 | $3.01 | 3,310,799 |
| 2018-04-25 | Open-market buy | 10,000 | $3.02 | 3,320,799 |
| 2018-04-25 | Open-market buy | 10,000 | $2.98 | 3,300,767 |
| 2018-04-24 | Open-market buy | 30,000 | $3.00 | 3,275,427 |
| 2018-04-24 | Open-market buy | 9,200 | $2.94 | 3,225,427 |
| 2018-04-24 | Open-market buy | 800 | $2.94 | 3,216,227 |
| 2018-04-24 | Open-market buy | 14,000 | $2.93 | 3,215,427 |
| 2018-04-24 | Open-market buy | 1,000 | $2.93 | 3,201,427 |
| 2018-04-24 | Open-market buy | 10,000 | $2.97 | 3,245,427 |
| 2018-04-24 | Open-market buy | 10,000 | $2.96 | 3,235,427 |
| 2018-04-23 | Open-market buy | 1,000 | $3.05 | 3,186,427 |
| 2018-04-23 | Open-market buy | 10,000 | $3.02 | 3,145,427 |
| 2018-04-23 | Open-market buy | 10,000 | $3.00 | 3,135,427 |
| 2018-04-23 | Open-market buy | 10,000 | $3.08 | 3,200,427 |
| 2018-04-23 | Open-market buy | 4,000 | $3.05 | 3,190,427 |
| 2018-04-23 | Open-market buy | 20,900 | $3.04 | 3,185,427 |
| 2018-04-23 | Open-market buy | 200 | $3.04 | 3,164,527 |
| 2018-04-23 | Open-market buy | 18,900 | $3.03 | 3,164,327 |
| 2018-04-20 | Open-market buy | 20,000 | $3.11 | 3,085,427 |
| 2018-04-20 | Open-market buy | 10,000 | $3.13 | 3,105,427 |
| 2018-04-20 | Open-market buy | 10,000 | $3.14 | 3,115,427 |
| 2018-04-20 | Open-market buy | 10,000 | $3.14 | 3,125,427 |
| 2018-04-20 | Open-market buy | 10,000 | $3.12 | 3,095,427 |
| 2018-04-19 | Open-market buy | 10,000 | $3.17 | 3,065,427 |
| 2018-04-16 | Open-market buy | 10,000 | $3.01 | 3,020,427 |
| 2018-04-16 | Open-market buy | 20,000 | $3.03 | 3,055,427 |
| 2018-04-16 | Open-market buy | 15,000 | $3.02 | 3,035,427 |
| 2018-04-16 | Open-market buy | 5,000 | $2.99 | 3,010,427 |
| 2018-04-13 | Open-market buy | 20,000 | $2.99 | 2,995,427 |
| 2018-04-13 | Open-market buy | 10,000 | $3.00 | 3,005,427 |
| 2018-04-12 | Open-market buy | 15,000 | $3.02 | 2,945,427 |
| 2018-04-12 | Open-market buy | 10,000 | $3.06 | 2,965,427 |
| 2018-04-12 | Open-market buy | 10,000 | $3.05 | 2,955,427 |
| 2018-04-12 | Open-market buy | 10,000 | $3.08 | 2,975,427 |
| 2018-04-12 | Open-market buy | 10,000 | $3.01 | 2,930,427 |
| 2018-04-12 | Open-market buy | 10,000 | $3.00 | 2,920,427 |
| 2018-04-11 | Open-market buy | 10,310 | $3.07 | 2,889,737 |
| 2018-04-11 | Open-market buy | 125 | $3.09 | 2,909,862 |
| 2018-04-11 | Open-market buy | 20,000 | $3.08 | 2,909,737 |
| 2018-04-11 | Open-market buy | 565 | $3.10 | 2,910,427 |
| 2018-04-11 | Open-market buy | 10,000 | $3.03 | 2,879,427 |
| 2018-04-11 | Open-market buy | 1,800 | $3.02 | 2,869,427 |
| 2018-04-11 | Open-market buy | 200 | $3.01 | 2,867,627 |
| 2018-04-10 | Open-market buy | 10,000 | $3.03 | 2,843,100 |
| 2018-04-10 | Open-market buy | 14,327 | $3.07 | 2,857,427 |
| 2018-04-10 | Open-market buy | 10,000 | $3.08 | 2,867,427 |
| 2018-04-10 | Open-market buy | 2,200 | $3.01 | 2,833,100 |
| 2018-04-09 | Open-market buy | 34,700 | $3.04 | 2,808,100 |
| 2018-04-09 | Open-market buy | 10,000 | $3.01 | 2,760,900 |
| 2018-04-09 | Open-market buy | 1,800 | $3.10 | 2,830,900 |
| 2018-04-09 | Open-market buy | 1,000 | $3.07 | 2,829,100 |
| 2018-04-09 | Open-market buy | 20,000 | $3.05 | 2,828,100 |
| 2018-04-09 | Open-market buy | 10,000 | $3.03 | 2,773,400 |
| 2018-04-09 | Open-market buy | 2,500 | $3.02 | 2,763,400 |
| 2018-04-06 | Open-market buy | 8,700 | $3.09 | 2,720,900 |
| 2018-04-06 | Open-market buy | 3,800 | $3.07 | 2,694,700 |
| 2018-04-06 | Open-market buy | 800 | $3.08 | 2,695,500 |
| 2018-04-06 | Open-market buy | 15,400 | $3.08 | 2,710,900 |
| 2018-04-06 | Open-market buy | 10,000 | $3.14 | 2,750,900 |
| 2018-04-06 | Open-market buy | 10,000 | $3.12 | 2,740,900 |
| 2018-04-06 | Open-market buy | 10,000 | $3.11 | 2,730,900 |
| 2018-04-06 | Open-market buy | 1,300 | $3.09 | 2,712,200 |
| 2018-04-05 | Open-market buy | 10,000 | $3.25 | 2,690,900 |
| 2018-04-03 | Open-market buy | 5,777 | $3.03 | 2,631,671 |
| 2018-04-03 | Open-market buy | 5,000 | $3.01 | 2,625,894 |
| 2018-04-03 | Open-market buy | 34,600 | $3.00 | 2,620,894 |
| 2018-04-03 | Open-market buy | 900 | $3.00 | 2,586,294 |
| 2018-04-03 | Open-market buy | 11,500 | $2.99 | 2,585,394 |
| 2018-04-03 | Open-market buy | 100 | $2.99 | 2,573,894 |
| 2018-04-03 | Open-market buy | 400 | $2.99 | 2,573,794 |
| 2018-04-03 | Open-market buy | 494 | $2.98 | 2,573,394 |
| 2018-04-03 | Open-market buy | 13,350 | $2.97 | 2,572,900 |
| 2018-04-03 | Open-market buy | 1,685 | $2.97 | 2,559,550 |
| 2018-04-03 | Open-market buy | 5,015 | $2.96 | 2,556,315 |
| 2018-04-03 | Open-market buy | 3,000 | $2.95 | 2,551,300 |
| 2018-04-03 | Open-market buy | 9,100 | $2.94 | 2,548,300 |
| 2018-04-03 | Open-market buy | 100 | $2.94 | 2,539,200 |
| 2018-04-03 | Open-market buy | 1,200 | $2.94 | 2,539,100 |
| 2018-04-03 | Open-market buy | 10,000 | $2.93 | 2,537,900 |
| 2018-04-03 | Open-market buy | 15,650 | $3.04 | 2,647,321 |
| 2018-04-03 | Open-market buy | 1,550 | $2.97 | 2,557,865 |
| 2018-04-03 | Open-market buy | 33,579 | $3.04 | 2,680,900 |
| 2018-03-28 | Open-market buy | 1,000 | $3.02 | 2,448,900 |
| 2018-03-28 | Open-market buy | 500 | $3.12 | 2,513,400 |
| 2018-03-28 | Open-market buy | 4,500 | $3.11 | 2,512,900 |
| 2018-03-28 | Open-market buy | 500 | $3.11 | 2,508,400 |
| 2018-03-28 | Open-market buy | 10,000 | $3.10 | 2,507,900 |
| 2018-03-28 | Open-market buy | 17,572 | $3.07 | 2,497,900 |
| 2018-03-28 | Open-market buy | 900 | $3.07 | 2,480,328 |
| 2018-03-28 | Open-market buy | 1,528 | $3.07 | 2,479,428 |
| 2018-03-28 | Open-market buy | 8,700 | $3.06 | 2,477,900 |
| 2018-03-28 | Open-market buy | 100 | $3.06 | 2,469,200 |
| 2018-03-28 | Open-market buy | 1,200 | $3.06 | 2,469,100 |
| 2018-03-28 | Open-market buy | 8,800 | $3.03 | 2,467,900 |
| 2018-03-28 | Open-market buy | 1,200 | $3.03 | 2,459,100 |
| 2018-03-28 | Open-market buy | 9,000 | $3.02 | 2,457,900 |
| 2018-03-28 | Open-market buy | 9,500 | $3.12 | 2,522,900 |
| 2018-03-28 | Open-market buy | 5,000 | $3.13 | 2,527,900 |
| 2018-03-27 | Open-market buy | 7,500 | $3.18 | 2,371,800 |
| 2018-03-27 | Open-market buy | 4,200 | $3.31 | 2,447,900 |
| 2018-03-27 | Open-market buy | 800 | $3.31 | 2,443,700 |
| 2018-03-27 | Open-market buy | 16,400 | $3.29 | 2,442,900 |
| 2018-03-27 | Open-market buy | 100 | $3.29 | 2,426,500 |
| 2018-03-27 | Open-market buy | 2,100 | $3.29 | 2,426,400 |
| 2018-03-27 | Open-market buy | 8,100 | $3.28 | 2,424,300 |
| 2018-03-27 | Open-market buy | 1,900 | $3.28 | 2,416,200 |
| 2018-03-27 | Open-market buy | 11,500 | $3.26 | 2,414,300 |
| 2018-03-27 | Open-market buy | 400 | $3.26 | 2,402,800 |
| 2018-03-27 | Open-market buy | 3,700 | $3.25 | 2,402,400 |
| 2018-03-27 | Open-market buy | 1,300 | $3.25 | 2,398,700 |
| 2018-03-27 | Open-market buy | 3,000 | $3.24 | 2,397,400 |
| 2018-03-27 | Open-market buy | 100 | $3.23 | 2,394,400 |
| 2018-03-27 | Open-market buy | 2,100 | $3.23 | 2,394,300 |
| 2018-03-27 | Open-market buy | 900 | $3.23 | 2,392,200 |
| 2018-03-27 | Open-market buy | 4,500 | $3.23 | 2,391,300 |
| 2018-03-27 | Open-market buy | 5,000 | $3.22 | 2,386,800 |
| 2018-03-27 | Open-market buy | 1,200 | $3.21 | 2,381,800 |
| 2018-03-27 | Open-market buy | 300 | $3.21 | 2,380,600 |
| 2018-03-27 | Open-market buy | 3,500 | $3.21 | 2,380,300 |
| 2018-03-27 | Open-market buy | 2,000 | $3.20 | 2,376,800 |
| 2018-03-27 | Open-market buy | 3,000 | $3.20 | 2,374,800 |
| 2018-03-27 | Open-market buy | 2,000 | $3.18 | 2,363,800 |
| 2018-03-27 | Open-market buy | 500 | $3.18 | 2,364,300 |
| 2018-03-26 | Open-market buy | 900 | $3.25 | 2,359,000 |
| 2018-03-26 | Open-market buy | 1,300 | $3.25 | 2,358,100 |
| 2018-03-26 | Open-market buy | 5,000 | $3.22 | 2,356,800 |
| 2018-03-26 | Open-market buy | 1,900 | $3.18 | 2,351,800 |
| 2018-03-26 | Open-market buy | 2,800 | $3.25 | 2,361,800 |
| 2018-03-26 | Open-market buy | 4,100 | $3.18 | 2,349,900 |
| 2018-03-26 | Open-market buy | 4,436 | $3.16 | 2,340,236 |
| 2018-03-26 | Open-market buy | 100 | $3.17 | 2,340,336 |
| 2018-03-26 | Open-market buy | 5,264 | $3.17 | 2,345,800 |
| 2018-03-26 | Open-market buy | 200 | $3.17 | 2,340,536 |
| 2018-03-23 | Open-market buy | 5,000 | $3.27 | 2,325,800 |
| 2018-03-23 | Open-market buy | 10,000 | $3.28 | 2,335,800 |
| 2018-03-23 | Open-market buy | 10,000 | $3.26 | 2,320,800 |
| 2018-03-22 | Open-market buy | 3,400 | $3.35 | 2,305,800 |
| 2018-03-22 | Open-market buy | 1,600 | $3.35 | 2,302,400 |
| 2018-03-22 | Open-market buy | 3,600 | $3.31 | 2,300,800 |
| 2018-03-22 | Open-market buy | 100 | $3.31 | 2,297,200 |
| 2018-03-22 | Open-market buy | 1,300 | $3.31 | 2,297,100 |
| 2018-03-22 | Open-market buy | 100 | $3.30 | 2,295,800 |
| 2018-03-22 | Open-market buy | 5,000 | $3.39 | 2,310,800 |
| 2018-03-22 | Open-market buy | 4,600 | $3.29 | 2,295,600 |
| 2018-03-22 | Open-market buy | 200 | $3.29 | 2,291,000 |
| 2018-03-22 | Open-market buy | 8,712 | $3.28 | 2,290,800 |
| 2018-03-22 | Open-market buy | 200 | $3.28 | 2,282,088 |
| 2018-03-22 | Open-market buy | 1,088 | $3.28 | 2,281,888 |
| 2018-03-22 | Open-market buy | 100 | $3.30 | 2,295,700 |
| 2018-03-21 | Open-market buy | 300 | $3.39 | 2,271,100 |
| 2018-03-21 | Open-market buy | 8,250 | $3.38 | 2,270,800 |
| 2018-03-21 | Open-market buy | 400 | $3.38 | 2,262,550 |
| 2018-03-21 | Open-market buy | 1,350 | $3.38 | 2,262,150 |
| 2018-03-21 | Open-market buy | 9,700 | $3.39 | 2,280,800 |
| 2018-03-21 | Open-market buy | 1,000 | $3.37 | 2,252,700 |
| 2018-03-21 | Open-market buy | 900 | $3.37 | 2,251,700 |
| 2018-03-21 | Open-market buy | 8,100 | $3.37 | 2,260,800 |
| 2018-03-20 | Open-market buy | 2,500 | $3.37 | 2,240,800 |
| 2018-03-20 | Open-market buy | 8,700 | $3.32 | 2,228,300 |
| 2018-03-20 | Open-market buy | 600 | $3.32 | 2,219,600 |
| 2018-03-20 | Open-market buy | 2,900 | $3.32 | 2,219,000 |
| 2018-03-20 | Open-market buy | 17,700 | $3.31 | 2,216,100 |
| 2018-03-20 | Open-market buy | 100 | $3.31 | 2,198,400 |
| 2018-03-20 | Open-market buy | 9,800 | $3.29 | 2,198,300 |
| 2018-03-20 | Open-market buy | 200 | $3.29 | 2,188,500 |
| 2018-03-20 | Open-market buy | 2,500 | $3.28 | 2,188,300 |
| 2018-03-20 | Open-market buy | 8,100 | $3.27 | 2,185,800 |
| 2018-03-20 | Open-market buy | 500 | $3.27 | 2,177,700 |
| 2018-03-20 | Open-market buy | 1,400 | $3.27 | 2,177,200 |
| 2018-03-20 | Open-market buy | 3,706 | $3.45 | 2,250,800 |
| 2018-03-20 | Open-market buy | 300 | $3.45 | 2,247,094 |
| 2018-03-20 | Open-market buy | 994 | $3.45 | 2,246,794 |
| 2018-03-20 | Open-market buy | 5,000 | $3.40 | 2,245,800 |
| 2018-03-20 | Open-market buy | 200 | $3.35 | 2,228,500 |
| 2018-03-20 | Open-market buy | 9,800 | $3.35 | 2,238,300 |
| 2018-03-19 | Open-market buy | 200 | $3.49 | 2,147,000 |
| 2018-03-19 | Open-market buy | 9,000 | $3.54 | 2,175,800 |
| 2018-03-19 | Open-market buy | 100 | $3.46 | 2,135,900 |
| 2018-03-19 | Open-market buy | 4,000 | $3.53 | 2,162,800 |
| 2018-03-19 | Open-market buy | 3,300 | $3.52 | 2,158,800 |
| 2018-03-19 | Open-market buy | 100 | $3.52 | 2,155,500 |
| 2018-03-19 | Open-market buy | 1,600 | $3.52 | 2,155,400 |
| 2018-03-19 | Open-market buy | 2,000 | $3.50 | 2,153,800 |
| 2018-03-19 | Open-market buy | 4,800 | $3.49 | 2,151,800 |
| 2018-03-19 | Open-market buy | 4,000 | $3.54 | 2,166,800 |
| 2018-03-19 | Open-market buy | 2,000 | $3.47 | 2,146,800 |
| 2018-03-19 | Open-market buy | 8,900 | $3.46 | 2,144,800 |
| 2018-03-15 | Open-market buy | 100 | $3.36 | 2,123,200 |
| 2018-03-15 | Open-market buy | 3,300 | $3.36 | 2,123,100 |
| 2018-03-15 | Open-market buy | 2,101 | $3.35 | 2,119,800 |
| 2018-03-15 | Open-market buy | 200 | $3.35 | 2,117,699 |
| 2018-03-15 | Open-market buy | 2,699 | $3.35 | 2,117,499 |
| 2018-03-15 | Open-market buy | 7,000 | $3.34 | 2,114,800 |
| 2018-03-15 | Open-market buy | 600 | $3.34 | 2,107,800 |
| 2018-03-15 | Open-market buy | 5,000 | $3.30 | 2,104,800 |
| 2018-03-15 | Open-market buy | 3,400 | $3.29 | 2,099,800 |
| 2018-03-15 | Open-market buy | 300 | $3.29 | 2,096,400 |
| 2018-03-15 | Open-market buy | 1,300 | $3.29 | 2,096,100 |
| 2018-03-15 | Open-market buy | 9,962 | $3.28 | 2,094,800 |
| 2018-03-15 | Open-market buy | 500 | $3.28 | 2,084,838 |
| 2018-03-15 | Open-market buy | 5,500 | $3.28 | 2,084,338 |
| 2018-03-15 | Open-market buy | 4,038 | $3.27 | 2,078,838 |
| 2018-03-15 | Open-market buy | 2,600 | $3.36 | 2,125,800 |
| 2018-03-15 | Open-market buy | 2,821 | $3.38 | 2,128,621 |
| 2018-03-15 | Open-market buy | 600 | $3.38 | 2,129,221 |
| 2018-03-15 | Open-market buy | 6,579 | $3.38 | 2,135,800 |
| 2018-03-15 | Open-market buy | 2,400 | $3.34 | 2,107,200 |
| 2018-03-13 | Open-market buy | 24,250 | $3.36 | 2,054,700 |
| 2018-03-13 | Open-market buy | 3,000 | $3.41 | 2,068,800 |
| 2018-03-13 | Open-market buy | 1,000 | $3.41 | 2,065,800 |
| 2018-03-13 | Open-market buy | 100 | $3.38 | 2,064,800 |
| 2018-03-13 | Open-market buy | 8,400 | $3.37 | 2,064,700 |
| 2018-03-13 | Open-market buy | 1,600 | $3.37 | 2,056,300 |
| 2018-03-13 | Open-market buy | 6,000 | $3.42 | 2,074,800 |
| 2018-03-13 | Open-market buy | 300 | $3.36 | 2,030,450 |
| 2018-03-13 | Open-market buy | 2,850 | $3.36 | 2,030,150 |
| 2018-03-13 | Open-market buy | 679 | $3.35 | 2,027,300 |
| 2018-03-13 | Open-market buy | 18,321 | $3.34 | 2,026,621 |
| 2018-03-13 | Open-market buy | 300 | $3.34 | 2,008,300 |
| 2018-03-13 | Open-market buy | 700 | $3.34 | 2,008,000 |
| 2018-03-12 | Open-market buy | 5,000 | $3.49 | 1,997,300 |
| 2018-03-12 | Open-market buy | 4,200 | $3.50 | 2,002,300 |
| 2018-03-12 | Open-market buy | 800 | $3.50 | 1,998,100 |
| 2018-03-12 | Open-market buy | 5,000 | $3.53 | 2,007,300 |
| 2018-03-12 | Open-market buy | 4,800 | $3.46 | 1,992,300 |
| 2018-03-12 | Open-market buy | 200 | $3.46 | 1,987,500 |
| 2018-03-12 | Open-market buy | 5,000 | $3.42 | 1,987,300 |
| 2018-03-08 | Open-market buy | 5,000 | $3.34 | 1,982,300 |
| 2018-03-08 | Open-market buy | 5,000 | $3.26 | 1,972,300 |
| 2018-03-08 | Open-market buy | 1,450 | $3.32 | 1,973,750 |
| 2018-03-08 | Open-market buy | 1,500 | $3.25 | 1,951,800 |
| 2018-03-08 | Open-market buy | 15,500 | $3.25 | 1,967,300 |
| 2018-03-08 | Open-market buy | 3,550 | $3.32 | 1,977,300 |
| 2018-03-07 | Open-market buy | 3,600 | $3.34 | 1,933,900 |
| 2018-03-07 | Open-market buy | 10,000 | $3.33 | 1,930,300 |
| 2018-03-07 | Open-market buy | 15,000 | $3.30 | 1,920,300 |
| 2018-03-07 | Open-market buy | 3,900 | $3.27 | 1,905,300 |
| 2018-03-07 | Open-market buy | 100 | $3.27 | 1,901,400 |
| 2018-03-07 | Open-market buy | 1,000 | $3.27 | 1,901,300 |
| 2018-03-07 | Open-market buy | 5,000 | $3.26 | 1,900,300 |
| 2018-03-07 | Open-market buy | 48 | $3.24 | 1,895,300 |
| 2018-03-07 | Open-market buy | 5,000 | $3.35 | 1,945,300 |
| 2018-03-07 | Open-market buy | 5,000 | $3.23 | 1,890,300 |
| 2018-03-07 | Open-market buy | 9,300 | $3.22 | 1,885,300 |
| 2018-03-07 | Open-market buy | 200 | $3.22 | 1,876,000 |
| 2018-03-07 | Open-market buy | 500 | $3.22 | 1,875,800 |
| 2018-03-07 | Open-market buy | 100 | $3.37 | 1,945,600 |
| 2018-03-07 | Open-market buy | 4,700 | $3.37 | 1,950,300 |
| 2018-03-07 | Open-market buy | 500 | $3.34 | 1,934,400 |
| 2018-03-07 | Open-market buy | 5,900 | $3.34 | 1,940,300 |
| 2018-03-07 | Open-market buy | 4,952 | $3.24 | 1,895,252 |
| 2018-03-07 | Open-market buy | 200 | $3.37 | 1,945,500 |
| 2018-03-02 | Open-market buy | 364,800 | $2.94 | 1,875,300 |
| 2018-02-27 | Grant / award (derivative) | — | $25000000.00 | — |
| 2018-02-21 | Open-market buy | 14,808 | $3.59 | 1,371,308 |
| 2018-02-21 | Open-market buy | 1,700 | $3.58 | 1,356,500 |
| 2018-02-21 | Open-market buy | 13,300 | $3.58 | 1,354,800 |
| 2018-02-21 | Open-market buy | 3,500 | $3.57 | 1,341,500 |
| 2018-02-21 | Open-market buy | 9,100 | $3.69 | 1,510,500 |
| 2018-02-21 | Open-market buy | 6,900 | $3.69 | 1,501,400 |
| 2018-02-21 | Open-market buy | 15,800 | $3.67 | 1,494,500 |
| 2018-02-21 | Open-market buy | 6,200 | $3.66 | 1,478,700 |
| 2018-02-21 | Open-market buy | 3,000 | $3.60 | 1,381,000 |
| 2018-02-21 | Open-market buy | 600 | $3.65 | 1,447,100 |
| 2018-02-21 | Open-market buy | 14,900 | $3.64 | 1,446,500 |
| 2018-02-21 | Open-market buy | 2,600 | $3.64 | 1,431,600 |
| 2018-02-21 | Open-market buy | 9,800 | $3.63 | 1,429,000 |
| 2018-02-21 | Open-market buy | 700 | $3.63 | 1,419,200 |
| 2018-02-21 | Open-market buy | 14,787 | $3.62 | 1,418,500 |
| 2018-02-21 | Open-market buy | 2,713 | $3.62 | 1,403,713 |
| 2018-02-21 | Open-market buy | 20,000 | $3.61 | 1,401,000 |
| 2018-02-21 | Open-market buy | 6,692 | $3.59 | 1,378,000 |
| 2018-02-21 | Open-market buy | 25,400 | $3.65 | 1,472,500 |
| 2018-02-09 | Open-market buy | 185,000 | $3.83 | 1,338,000 |
| 2018-02-08 | Open-market buy | 3,092 | $4.05 | 1,146,092 |
| 2018-02-08 | Open-market buy | 600 | $4.03 | 1,133,600 |
| 2018-02-08 | Open-market buy | 4,400 | $4.03 | 1,138,000 |
| 2018-02-08 | Open-market buy | 6,908 | $4.05 | 1,153,000 |
| 2018-02-08 | Open-market buy | 5,000 | $4.04 | 1,143,000 |
| 2018-02-07 | Open-market buy | 700 | $4.22 | 1,097,700 |
| 2018-02-07 | Open-market buy | 1,800 | $4.21 | 1,097,000 |
| 2018-02-07 | Open-market buy | 3,200 | $4.21 | 1,095,200 |
| 2018-02-07 | Open-market buy | 6,742 | $4.20 | 1,092,000 |
| 2018-02-07 | Open-market buy | 1,258 | $4.20 | 1,085,258 |
| 2018-02-07 | Open-market buy | 3,000 | $4.19 | 1,084,000 |
| 2018-02-07 | Open-market buy | 3,400 | $4.18 | 1,081,000 |
| 2018-02-07 | Open-market buy | 1,600 | $4.18 | 1,077,600 |
| 2018-02-07 | Open-market buy | 2,500 | $4.17 | 1,076,000 |
| 2018-02-07 | Open-market buy | 6,700 | $4.16 | 1,073,500 |
| 2018-02-07 | Open-market buy | 4,300 | $4.16 | 1,066,800 |
| 2018-02-07 | Open-market buy | 2,900 | $4.15 | 1,062,500 |
| 2018-02-07 | Open-market buy | 1,275 | $4.15 | 1,059,600 |
| 2018-02-07 | Open-market buy | 825 | $4.14 | 1,058,325 |
| 2018-02-07 | Open-market buy | 2,500 | $4.13 | 1,057,500 |
| 2018-02-07 | Open-market buy | 5,000 | $4.33 | 1,133,000 |
| 2018-02-07 | Open-market buy | 4,000 | $4.32 | 1,128,000 |
| 2018-02-07 | Open-market buy | 1,000 | $4.32 | 1,124,000 |
| 2018-02-07 | Open-market buy | 3,000 | $4.30 | 1,123,000 |
| 2018-02-07 | Open-market buy | 3,300 | $4.29 | 1,120,000 |
| 2018-02-07 | Open-market buy | 1,700 | $4.29 | 1,116,700 |
| 2018-02-07 | Open-market buy | 4,700 | $4.26 | 1,115,000 |
| 2018-02-07 | Open-market buy | 2,800 | $4.26 | 1,110,300 |
| 2018-02-07 | Open-market buy | 5,200 | $4.24 | 1,107,500 |
| 2018-02-07 | Open-market buy | 300 | $4.24 | 1,102,300 |
| 2018-02-07 | Open-market buy | 100 | $4.22 | 1,097,800 |
| 2018-02-07 | Open-market buy | 4,200 | $4.22 | 1,102,000 |
| 2018-02-06 | Open-market buy | 2,500 | $4.16 | 1,019,000 |
| 2018-02-06 | Open-market buy | 3,500 | $4.11 | 1,011,500 |
| 2018-02-06 | Open-market buy | 4,400 | $4.08 | 1,008,000 |
| 2018-02-06 | Open-market buy | 800 | $4.08 | 1,003,600 |
| 2018-02-06 | Open-market buy | 1,100 | $4.08 | 1,002,800 |
| 2018-02-06 | Open-market buy | 3,400 | $4.07 | 1,001,700 |
| 2018-02-06 | Open-market buy | 300 | $4.07 | 998,300 |
| 2018-02-06 | Open-market buy | 3,000 | $4.05 | 998,000 |
| 2018-02-06 | Open-market buy | 5,300 | $4.34 | 1,055,000 |
| 2018-02-06 | Open-market buy | 700 | $4.34 | 1,049,700 |
| 2018-02-06 | Open-market buy | 3,500 | $4.33 | 1,049,000 |
| 2018-02-06 | Open-market buy | 8,500 | $4.31 | 1,045,500 |
| 2018-02-06 | Open-market buy | 7,000 | $4.30 | 1,037,000 |
| 2018-02-06 | Open-market buy | 3,000 | $4.28 | 1,030,000 |
| 2018-02-06 | Open-market buy | 1,100 | $4.27 | 1,027,000 |
| 2018-02-06 | Open-market buy | 900 | $4.27 | 1,025,900 |
| 2018-02-06 | Open-market buy | 2,000 | $4.25 | 1,025,000 |
| 2018-02-06 | Open-market buy | 2,000 | $4.22 | 1,023,000 |
| 2018-02-06 | Open-market buy | 2,000 | $4.17 | 1,021,000 |
| 2018-02-06 | Open-market buy | 3,000 | $4.13 | 1,014,500 |
| 2018-02-06 | Open-market buy | 2,000 | $4.14 | 1,016,500 |
| 2018-02-05 | Open-market buy | 2,000 | $4.17 | 995,000 |
| 2018-02-05 | Open-market buy | 13,345 | $4.16 | 993,000 |
| 2018-02-05 | Open-market buy | 4,655 | $4.16 | 979,655 |
| 2018-02-05 | Open-market buy | 8,600 | $4.15 | 975,000 |
| 2018-02-05 | Open-market buy | 8,500 | $4.14 | 966,400 |
| 2018-02-05 | Open-market buy | 400 | $4.14 | 957,900 |
| 2018-02-05 | Open-market buy | 3,000 | $4.13 | 957,500 |
| 2018-02-05 | Open-market buy | 4,000 | $4.10 | 954,500 |
| 2018-02-05 | Open-market buy | 3,000 | $4.08 | 950,500 |
| 2018-02-05 | Open-market buy | 2,500 | $4.03 | 947,500 |
| 2018-02-02 | Open-market buy | 1,600 | $4.27 | 895,000 |
| 2018-02-02 | Open-market buy | 500 | $4.34 | 936,400 |
| 2018-02-02 | Open-market buy | 900 | $4.34 | 935,900 |
| 2018-02-02 | Open-market buy | 8,100 | $4.33 | 935,000 |
| 2018-02-02 | Open-market buy | 1,900 | $4.33 | 926,900 |
| 2018-02-02 | Open-market buy | 1,489 | $4.32 | 925,000 |
| 2018-02-02 | Open-market buy | 3,511 | $4.32 | 923,511 |
| 2018-02-02 | Open-market buy | 8,455 | $4.29 | 920,000 |
| 2018-02-02 | Open-market buy | 600 | $4.29 | 911,545 |
| 2018-02-02 | Open-market buy | 3,000 | $4.29 | 910,945 |
| 2018-02-02 | Open-market buy | 7,745 | $4.28 | 907,945 |
| 2018-02-02 | Open-market buy | 600 | $4.28 | 900,200 |
| 2018-02-02 | Open-market buy | 4,600 | $4.28 | 899,600 |
| 2018-02-02 | Open-market buy | 8,600 | $4.34 | 945,000 |
| 2018-02-02 | Open-market buy | 3,400 | $4.27 | 893,400 |
| 2018-01-31 | Open-market buy | 2,500 | $4.49 | 885,000 |
| 2018-01-31 | Open-market buy | 9,400 | $4.44 | 840,000 |
| 2018-01-31 | Open-market buy | 100 | $4.44 | 830,600 |
| 2018-01-31 | Open-market buy | 500 | $4.44 | 830,500 |
| 2018-01-31 | Open-market buy | 2,500 | $4.43 | 830,000 |
| 2018-01-31 | Open-market buy | 2,500 | $4.42 | 827,500 |
| 2018-01-31 | Open-market buy | 5,000 | $4.50 | 890,000 |
| 2018-01-31 | Open-market buy | 2,500 | $4.45 | 842,500 |
| 2018-01-31 | Open-market buy | 1,880 | $4.49 | 882,500 |
| 2018-01-31 | Open-market buy | 28,720 | $4.48 | 880,620 |
| 2018-01-31 | Open-market buy | 1,900 | $4.48 | 851,900 |
| 2018-01-31 | Open-market buy | 6,100 | $4.46 | 850,000 |
| 2018-01-31 | Open-market buy | 300 | $4.46 | 843,900 |
| 2018-01-31 | Open-market buy | 1,100 | $4.46 | 843,600 |
| 2018-01-26 | Open-market buy | 200 | $5.02 | 821,400 |
| 2018-01-26 | Open-market buy | 1,200 | $5.02 | 821,200 |
| 2018-01-26 | Open-market buy | 2,500 | $5.00 | 820,000 |
| 2018-01-26 | Open-market buy | 4,000 | $4.96 | 817,500 |
| 2018-01-26 | Open-market buy | 1,500 | $4.95 | 813,500 |
| 2018-01-26 | Open-market buy | 2,500 | $4.93 | 812,000 |
| 2018-01-26 | Open-market buy | 2,000 | $4.90 | 809,500 |
| 2018-01-26 | Open-market buy | 5,000 | $4.89 | 807,500 |
| 2018-01-26 | Open-market buy | 6,500 | $4.89 | 802,500 |
| 2018-01-26 | Open-market buy | 5,900 | $4.88 | 796,000 |
| 2018-01-26 | Open-market buy | 1,100 | $4.88 | 790,100 |
| 2018-01-26 | Open-market buy | 7,500 | $4.87 | 789,000 |
| 2018-01-26 | Open-market buy | 6,227 | $4.86 | 781,500 |
| 2018-01-26 | Open-market buy | 200 | $4.86 | 775,273 |
| 2018-01-26 | Open-market buy | 1,573 | $4.86 | 775,073 |
| 2018-01-26 | Open-market buy | 3,600 | $5.02 | 825,000 |
| 2018-01-26 | Open-market buy | 3,500 | $4.85 | 773,500 |
| 2018-01-25 | Open-market buy | 2,500 | $4.98 | 713,500 |
| 2018-01-25 | Open-market buy | 19,100 | $5.00 | 765,000 |
| 2018-01-25 | Open-market buy | 11,800 | $5.00 | 745,900 |
| 2018-01-25 | Open-market buy | 20,600 | $4.99 | 734,100 |
| 2018-01-25 | Open-market buy | 5,000 | $5.01 | 770,000 |
| 2018-01-25 | Open-market buy | 11,000 | $4.97 | 711,000 |
| 2018-01-25 | Open-market buy | 4,800 | $4.96 | 700,000 |
| 2018-01-25 | Open-market buy | 200 | $4.96 | 695,200 |
| 2018-01-24 | Open-market buy | 5,000 | $4.84 | 602,000 |
| 2018-01-24 | Open-market buy | 500 | $4.98 | 693,500 |
| 2018-01-24 | Open-market buy | 4,700 | $4.95 | 693,000 |
| 2018-01-24 | Open-market buy | 300 | $4.95 | 688,300 |
| 2018-01-24 | Open-market buy | 3,000 | $4.94 | 688,000 |
| 2018-01-24 | Open-market buy | 5,050 | $4.93 | 685,000 |
| 2018-01-24 | Open-market buy | 4,950 | $4.93 | 679,950 |
| 2018-01-24 | Open-market buy | 5,000 | $4.92 | 675,000 |
| 2018-01-24 | Open-market buy | 6,500 | $4.91 | 670,000 |
| 2018-01-24 | Open-market buy | 500 | $4.91 | 663,500 |
| 2018-01-24 | Open-market buy | 3,000 | $4.90 | 663,000 |
| 2018-01-24 | Open-market buy | 7,000 | $4.89 | 660,000 |
| 2018-01-24 | Open-market buy | 3,000 | $4.88 | 653,000 |
| 2018-01-24 | Open-market buy | 36,050 | $4.87 | 650,000 |
| 2018-01-24 | Open-market buy | 9,950 | $4.87 | 613,950 |
| 2018-01-24 | Open-market buy | 1,900 | $4.85 | 604,000 |
| 2018-01-24 | Open-market buy | 100 | $4.85 | 602,100 |
| 2018-01-24 | Open-market buy | 1,500 | $4.98 | 695,000 |
| 2018-01-24 | Open-market buy | 2,000 | $4.81 | 597,000 |
| 2018-01-23 | Open-market buy | 100,000 | $4.76 | 595,000 |
| 2018-01-22 | Open-market buy | 4,900 | $4.34 | 400,000 |
| 2018-01-22 | Open-market buy | 100 | $4.33 | 395,100 |
| 2018-01-22 | Open-market buy | 3,000 | $4.34 | 403,000 |
| 2018-01-22 | Open-market buy | 11,000 | $4.35 | 414,000 |
| 2018-01-22 | Open-market buy | 15,400 | $4.44 | 495,000 |
| 2018-01-22 | Open-market buy | 15,000 | $4.43 | 479,600 |
| 2018-01-22 | Open-market buy | 11,700 | $4.41 | 464,600 |
| 2018-01-22 | Open-market buy | 5,300 | $4.41 | 452,900 |
| 2018-01-22 | Open-market buy | 15,500 | $4.40 | 447,600 |
| 2018-01-22 | Open-market buy | 100 | $4.40 | 432,100 |
| 2018-01-22 | Open-market buy | 7,600 | $4.39 | 432,000 |
| 2018-01-22 | Open-market buy | 400 | $4.39 | 424,400 |
| 2018-01-22 | Open-market buy | 5,719 | $4.37 | 424,000 |
| 2018-01-22 | Open-market buy | 500 | $4.37 | 418,281 |
| 2018-01-22 | Open-market buy | 3,781 | $4.37 | 417,781 |
| 2017-09-19 | Open-market buy | 4,900 | $6.00 | 385,000 |
| 2017-09-19 | Open-market buy | 9,900 | $6.01 | 395,000 |
| 2017-09-19 | Open-market buy | 100 | $6.01 | 385,100 |
| 2017-09-19 | Open-market buy | 100 | $6.00 | 380,100 |
| 2017-09-18 | Open-market buy | 39,700 | $6.00 | 379,900 |
| 2017-09-18 | Open-market buy | 100 | $6.01 | 380,000 |
| 2017-09-18 | Open-market buy | 200 | $6.00 | 340,200 |
| 2017-09-15 | Open-market buy | 41,100 | $6.01 | 340,000 |
| 2017-09-15 | Open-market buy | 38,900 | $6.00 | 298,900 |
| 2017-09-14 | Open-market buy | 61,390 | $5.98 | 149,800 |
| 2017-09-14 | Open-market buy | 800 | $5.98 | 88,410 |
| 2017-09-14 | Open-market buy | 1,400 | $5.98 | 87,610 |
| 2017-09-14 | Open-market buy | 26,210 | $5.97 | 86,210 |
| 2017-09-14 | Open-market buy | 4,931 | $5.96 | 60,000 |
| 2017-09-14 | Open-market buy | 5,250 | $5.95 | 55,069 |
| 2017-09-14 | Open-market buy | 31,476 | $5.94 | 49,819 |
| 2017-09-14 | Open-market buy | 18,143 | $5.93 | 18,343 |
| 2017-09-14 | Open-market buy | 200 | $5.93 | 200 |
| 2017-09-14 | Open-market buy | 889 | $5.99 | 150,689 |
| 2017-09-14 | Open-market buy | 200 | $6.03 | 240,200 |
| 2017-09-14 | Open-market buy | 43,710 | $6.02 | 240,000 |
| 2017-09-14 | Open-market buy | 390 | $6.02 | 196,290 |
| 2017-09-14 | Open-market buy | 14,200 | $6.01 | 195,900 |
| 2017-09-14 | Open-market buy | 400 | $6.01 | 181,700 |
| 2017-09-14 | Open-market buy | 1,300 | $6.01 | 181,300 |
| 2017-09-14 | Open-market buy | 29,311 | $5.99 | 180,000 |
| 2017-09-14 | Open-market buy | 19,800 | $6.03 | 260,000 |
| 2017-08-25 | Open-market buy | 8,000 | $6.14 | 164,217,443 |
| 2017-08-25 | Open-market buy | 2,000 | $6.23 | 164,233,443 |
| 2017-08-25 | Open-market buy | 1,000 | $6.24 | 164,234,443 |
| 2017-08-25 | Open-market buy | 3,000 | $6.20 | 164,231,443 |
| 2017-08-25 | Open-market buy | 651 | $6.15 | 164,218,094 |
| 2017-08-25 | Open-market buy | 3,349 | $6.15 | 164,221,443 |
| 2017-08-25 | Open-market buy | 2,000 | $6.16 | 164,223,443 |
| 2017-08-25 | Open-market buy | 2,000 | $6.17 | 164,225,443 |
| 2017-08-25 | Open-market buy | 86 | $6.18 | 164,225,529 |
| 2017-08-25 | Open-market buy | 914 | $6.18 | 164,226,443 |
| 2017-08-25 | Open-market buy | 81 | $6.19 | 164,226,524 |
| 2017-08-25 | Open-market buy | 1,919 | $6.19 | 164,228,443 |
| 2017-08-24 | Open-market buy | 400 | $6.26 | 164,203,843 |
| 2017-08-24 | Open-market buy | 2,900 | $6.28 | 164,208,443 |
| 2017-08-24 | Open-market buy | 100 | $6.28 | 164,205,543 |
| 2017-08-24 | Open-market buy | 1,000 | $6.27 | 164,205,443 |
| 2017-08-24 | Open-market buy | 600 | $6.26 | 164,204,443 |
| 2017-08-24 | Open-market buy | 1,000 | $6.29 | 164,209,443 |
| 2017-08-24 | Open-market buy | 1,000 | $6.23 | 164,203,443 |
| 2017-08-24 | Open-market buy | 500 | $6.19 | 164,202,443 |
| 2017-08-24 | Open-market buy | 2,000 | $6.15 | 164,201,943 |
| 2017-08-24 | Open-market buy | 500 | $6.14 | 164,199,943 |
| 2017-08-23 | Open-market buy | 7,500 | $6.14 | 164,199,043 |
| 2017-08-23 | Open-market buy | 1,079 | $6.12 | 164,191,543 |
| 2017-08-23 | Open-market buy | 921 | $6.11 | 164,190,464 |
| 2017-08-23 | Open-market buy | 1,900 | $6.10 | 164,189,543 |
| 2017-08-23 | Open-market buy | 200 | $6.10 | 164,187,643 |
| 2017-08-23 | Open-market buy | 400 | $6.16 | 164,199,443 |
| 2017-08-22 | Open-market buy | 1,800 | $6.13 | 164,187,443 |
| 2017-08-21 | Open-market buy | 100 | $6.13 | 164,175,743 |
| 2017-08-21 | Open-market buy | 4,000 | $6.09 | 164,171,643 |
| 2017-08-21 | Open-market buy | 3,000 | $6.10 | 164,174,643 |
| 2017-08-21 | Open-market buy | 1,000 | $6.11 | 164,175,643 |
| 2017-08-21 | Open-market buy | 1,000 | $6.07 | 164,164,643 |
| 2017-08-21 | Open-market buy | 1,000 | $6.06 | 164,163,643 |
| 2017-08-21 | Open-market buy | 200 | $6.03 | 164,162,643 |
| 2017-08-21 | Open-market buy | 1,800 | $6.01 | 164,162,443 |
| 2017-08-21 | Open-market buy | 7,500 | $6.14 | 164,185,643 |
| 2017-08-21 | Open-market buy | 2,400 | $6.13 | 164,178,143 |
| 2017-08-21 | Open-market buy | 3,000 | $6.08 | 164,167,643 |
| 2017-08-17 | Open-market buy | 500 | $5.96 | 164,130,643 |
| 2017-08-17 | Open-market buy | 50 | $5.88 | 164,110,693 |
| 2017-08-17 | Open-market buy | 5,000 | $6.02 | 164,160,643 |
| 2017-08-17 | Open-market buy | 12,500 | $6.01 | 164,155,643 |
| 2017-08-17 | Open-market buy | 5,000 | $6.00 | 164,143,143 |
| 2017-08-17 | Open-market buy | 3,000 | $5.98 | 164,138,143 |
| 2017-08-17 | Open-market buy | 4,500 | $5.96 | 164,135,143 |
| 2017-08-17 | Open-market buy | 1,500 | $5.95 | 164,130,143 |
| 2017-08-17 | Open-market buy | 9,100 | $5.91 | 164,128,643 |
| 2017-08-17 | Open-market buy | 900 | $5.91 | 164,119,543 |
| 2017-08-17 | Open-market buy | 5,000 | $5.89 | 164,118,643 |
| 2017-08-17 | Open-market buy | 2,950 | $5.88 | 164,113,643 |
| 2017-08-16 | Open-market buy | 4,600 | $6.04 | 164,089,443 |
| 2017-08-16 | Open-market buy | 100 | $6.07 | 164,105,943 |
| 2017-08-16 | Open-market buy | 200 | $6.07 | 164,105,843 |
| 2017-08-16 | Open-market buy | 4,900 | $6.06 | 164,105,643 |
| 2017-08-16 | Open-market buy | 100 | $6.06 | 164,100,743 |
| 2017-08-16 | Open-market buy | 4,600 | $6.05 | 164,100,643 |
| 2017-08-16 | Open-market buy | 6,600 | $6.05 | 164,096,043 |
| 2017-08-16 | Open-market buy | 4,700 | $6.07 | 164,110,643 |
| 2017-08-16 | Open-market buy | 300 | $6.04 | 164,084,843 |
| 2017-08-16 | Open-market buy | 5,100 | $6.04 | 164,084,543 |
| 2017-08-16 | Open-market buy | 1,800 | $6.03 | 164,079,443 |
| 2017-08-16 | Open-market buy | 5,000 | $6.02 | 164,077,643 |
| 2017-08-16 | Open-market buy | 400 | $6.02 | 164,072,643 |
| 2017-08-16 | Open-market buy | 1,600 | $6.02 | 164,072,243 |
| 2017-08-15 | Open-market buy | 2,241 | $6.09 | 164,062,343 |
| 2017-08-15 | Open-market buy | 1,500 | $6.06 | 164,047,143 |
| 2017-08-15 | Open-market buy | 600 | $6.07 | 164,047,743 |
| 2017-08-15 | Open-market buy | 10,659 | $6.07 | 164,058,402 |
| 2017-08-15 | Open-market buy | 1,300 | $6.12 | 164,070,643 |
| 2017-08-15 | Open-market buy | 500 | $6.12 | 164,069,343 |
| 2017-08-15 | Open-market buy | 5,300 | $6.10 | 164,068,843 |
| 2017-08-15 | Open-market buy | 1,200 | $6.10 | 164,063,543 |
| 2017-08-15 | Open-market buy | 800 | $6.09 | 164,060,102 |
| 2017-08-15 | Open-market buy | 900 | $6.08 | 164,059,302 |
| 2017-08-14 | Open-market buy | 7,200 | $6.16 | 164,044,643 |
| 2017-08-14 | Open-market buy | 300 | $6.14 | 164,035,943 |
| 2017-08-14 | Open-market buy | 1,000 | $6.16 | 164,045,643 |
| 2017-08-14 | Open-market buy | 1,500 | $6.14 | 164,037,443 |
| 2017-08-11 | Open-market buy | 4,200 | $6.24 | 164,035,643 |
| 2017-08-11 | Open-market buy | 1,000 | $6.23 | 164,031,443 |
| 2017-08-11 | Open-market buy | 548 | $6.19 | 164,030,443 |
| 2017-08-11 | Open-market buy | 452 | $6.19 | 164,029,895 |
| 2017-08-11 | Open-market buy | 1,000 | $6.18 | 164,029,443 |
| 2017-08-11 | Open-market buy | 1,000 | $6.13 | 164,028,443 |
| 2017-08-11 | Open-market buy | 1,800 | $6.10 | 164,027,443 |
| 2017-08-10 | Open-market buy | 3,000 | $6.17 | 163,995,643 |
| 2017-08-10 | Open-market buy | 743 | $6.14 | 163,987,386 |
| 2017-08-10 | Open-market buy | 3,200 | $6.33 | 164,025,643 |
| 2017-08-10 | Open-market buy | 400 | $6.32 | 164,022,443 |
| 2017-08-10 | Open-market buy | 3,330 | $6.30 | 164,022,043 |
| 2017-08-10 | Open-market buy | 1,115 | $6.29 | 164,018,713 |
| 2017-08-10 | Open-market buy | 955 | $6.28 | 164,017,598 |
| 2017-08-10 | Open-market buy | 3,000 | $6.27 | 164,016,643 |
| 2017-08-10 | Open-market buy | 2,300 | $6.25 | 164,013,643 |
| 2017-08-10 | Open-market buy | 700 | $6.25 | 164,011,343 |
| 2017-08-10 | Open-market buy | 3,000 | $6.24 | 164,010,643 |
| 2017-08-10 | Open-market buy | 8,480 | $6.20 | 164,007,643 |
| 2017-08-10 | Open-market buy | 520 | $6.20 | 163,999,163 |
| 2017-08-10 | Open-market buy | 3,000 | $6.18 | 163,998,643 |
| 2017-08-10 | Open-market buy | 2,257 | $6.14 | 163,989,643 |
| 2017-08-10 | Open-market buy | 3,000 | $6.16 | 163,992,643 |
| 2017-08-09 | Open-market buy | 2,000 | $6.31 | 163,974,443 |
| 2017-08-09 | Open-market buy | 400 | $6.07 | 163,970,443 |
| 2017-08-09 | Open-market buy | 1,400 | $6.06 | 163,970,043 |
| 2017-08-09 | Open-market buy | 1,000 | $6.48 | 163,986,643 |
| 2017-08-09 | Open-market buy | 162 | $6.44 | 163,985,643 |
| 2017-08-09 | Open-market buy | 1,700 | $6.44 | 163,985,481 |
| 2017-08-09 | Open-market buy | 2,838 | $6.43 | 163,983,781 |
| 2017-08-09 | Open-market buy | 1,000 | $6.42 | 163,980,943 |
| 2017-08-09 | Open-market buy | 800 | $6.39 | 163,979,943 |
| 2017-08-09 | Open-market buy | 200 | $6.39 | 163,979,143 |
| 2017-08-09 | Open-market buy | 1,500 | $6.38 | 163,978,943 |
| 2017-08-09 | Open-market buy | 1,000 | $6.36 | 163,977,443 |
| 2017-08-09 | Open-market buy | 500 | $6.35 | 163,976,443 |
| 2017-08-09 | Open-market buy | 500 | $6.34 | 163,975,943 |
| 2017-08-09 | Open-market buy | 1,000 | $6.33 | 163,975,443 |
| 2017-08-09 | Open-market buy | 1,000 | $6.28 | 163,971,443 |
| 2017-08-09 | Open-market buy | 1,000 | $6.29 | 163,972,443 |
| 2017-08-08 | Open-market buy | 5,000 | $6.05 | 163,968,643 |
| 2017-08-02 | Open-market buy | 200 | $6.17 | 163,953,843 |
| 2017-08-02 | Open-market buy | 4,900 | $6.15 | 163,953,643 |
| 2017-08-02 | Open-market buy | 8,100 | $6.13 | 163,948,643 |
| 2017-08-02 | Open-market buy | 400 | $6.13 | 163,940,543 |
| 2017-08-02 | Open-market buy | 1,500 | $6.13 | 163,940,143 |
| 2017-08-02 | Open-market buy | 9,800 | $6.17 | 163,963,643 |
| 2017-08-02 | Open-market buy | 100 | $6.15 | 163,948,743 |
| 2017-08-01 | Open-market buy | 1,000 | $6.24 | 163,916,743 |
| 2017-08-01 | Open-market buy | 1,500 | $6.20 | 163,893,543 |
| 2017-08-01 | Open-market buy | 3,200 | $6.21 | 163,896,743 |
| 2017-08-01 | Open-market buy | 1,800 | $6.32 | 163,937,643 |
| 2017-08-01 | Open-market buy | 2,800 | $6.30 | 163,935,843 |
| 2017-08-01 | Open-market buy | 4,700 | $6.27 | 163,933,043 |
| 2017-08-01 | Open-market buy | 1,300 | $6.27 | 163,928,343 |
| 2017-08-01 | Open-market buy | 8,000 | $6.26 | 163,927,043 |
| 2017-08-01 | Open-market buy | 300 | $6.26 | 163,919,043 |
| 2017-08-01 | Open-market buy | 2,000 | $6.25 | 163,918,743 |
| 2017-08-01 | Open-market buy | 1,000 | $6.33 | 163,938,643 |
| 2017-08-01 | Open-market buy | 4,182 | $6.23 | 163,915,743 |
| 2017-08-01 | Open-market buy | 2,318 | $6.23 | 163,911,561 |
| 2017-08-01 | Open-market buy | 9,500 | $6.22 | 163,909,243 |
| 2017-08-01 | Open-market buy | 3,000 | $6.22 | 163,899,743 |
| 2017-07-28 | Open-market buy | 7,350 | $6.32 | 163,890,243 |
| 2017-07-28 | Open-market buy | 4,550 | $6.32 | 163,882,893 |
| 2017-07-28 | Open-market buy | 3,700 | $6.31 | 163,878,343 |
| 2017-07-28 | Open-market buy | 1,000 | $6.30 | 163,874,643 |
| 2017-07-28 | Open-market buy | 3,400 | $6.29 | 163,873,643 |
| 2017-07-28 | Open-market buy | 1,200 | $6.29 | 163,870,243 |
| 2017-07-28 | Open-market buy | 3,400 | $6.28 | 163,869,043 |
| 2017-07-28 | Open-market buy | 100 | $6.28 | 163,865,643 |
| 2017-07-28 | Open-market buy | 4,000 | $6.27 | 163,865,543 |
| 2017-07-28 | Open-market buy | 2,700 | $6.26 | 163,861,543 |
| 2017-07-28 | Open-market buy | 200 | $6.34 | 163,890,443 |
| 2017-07-28 | Open-market buy | 1,600 | $6.34 | 163,892,043 |
| 2017-07-28 | Open-market buy | 900 | $6.26 | 163,858,843 |
| 2017-07-28 | Open-market buy | 1,000 | $6.25 | 163,857,943 |
| 2017-07-27 | Open-market buy | 3,000 | $6.32 | 163,839,343 |
| 2017-07-27 | Open-market buy | 1,000 | $6.29 | 163,834,343 |
| 2017-07-27 | Open-market buy | 1,000 | $6.30 | 163,835,343 |
| 2017-07-27 | Open-market buy | 100 | $6.42 | 163,855,243 |
| 2017-07-27 | Open-market buy | 3,600 | $6.38 | 163,855,143 |
| 2017-07-27 | Open-market buy | 4,372 | $6.34 | 163,851,543 |
| 2017-07-27 | Open-market buy | 6,828 | $6.34 | 163,847,171 |
| 2017-07-27 | Open-market buy | 1,000 | $6.33 | 163,840,343 |
| 2017-07-27 | Open-market buy | 1,700 | $6.42 | 163,856,943 |
| 2017-07-27 | Open-market buy | 1,000 | $6.31 | 163,836,343 |
| 2017-07-26 | Open-market buy | 6,294 | $6.40 | 163,817,637 |
| 2017-07-26 | Open-market buy | 3,600 | $6.34 | 163,800,743 |
| 2017-07-26 | Open-market buy | 2,000 | $6.35 | 163,802,743 |
| 2017-07-26 | Open-market buy | 2,700 | $6.41 | 163,833,343 |
| 2017-07-26 | Open-market buy | 900 | $6.41 | 163,830,643 |
| 2017-07-26 | Open-market buy | 12,006 | $6.40 | 163,829,743 |
| 2017-07-26 | Open-market buy | 100 | $6.40 | 163,817,737 |
| 2017-07-26 | Open-market buy | 5,800 | $6.39 | 163,811,343 |
| 2017-07-26 | Open-market buy | 1,000 | $6.38 | 163,805,543 |
| 2017-07-26 | Open-market buy | 1,800 | $6.36 | 163,804,543 |
| 2017-07-25 | Open-market buy | 7,200 | $6.41 | 163,781,143 |
| 2017-07-25 | Open-market buy | 13,300 | $6.42 | 163,795,143 |
| 2017-07-25 | Open-market buy | 700 | $6.42 | 163,781,843 |
| 2017-07-25 | Open-market buy | 2,000 | $6.46 | 163,797,143 |
| 2017-07-25 | Open-market buy | 12,900 | $6.40 | 163,773,943 |
| 2017-07-25 | Open-market buy | 3,700 | $6.40 | 163,761,043 |
| 2017-07-24 | Open-market buy | 11,500 | $6.42 | 163,734,343 |
| 2017-07-24 | Open-market buy | 4,000 | $6.44 | 163,756,143 |
| 2017-07-24 | Open-market buy | 16,200 | $6.43 | 163,752,143 |
| 2017-07-24 | Open-market buy | 1,600 | $6.43 | 163,735,943 |
| 2017-07-24 | Open-market buy | 1,200 | $6.44 | 163,757,343 |
| 2017-07-24 | Open-market buy | 500 | $6.42 | 163,722,843 |
| 2017-07-24 | Open-market buy | 9,500 | $6.41 | 163,722,343 |
| 2017-07-24 | Open-market buy | 200 | $6.41 | 163,712,843 |
| 2017-07-24 | Open-market buy | 300 | $6.41 | 163,712,643 |
| 2017-07-20 | Open-market buy | 400 | $6.46 | 163,709,143 |
| 2017-07-20 | Open-market buy | 1,400 | $6.44 | 163,708,743 |
| 2017-07-20 | Open-market buy | 1,700 | $6.48 | 163,712,243 |
| 2017-07-20 | Open-market buy | 1,400 | $6.46 | 163,710,543 |
| 2017-07-20 | Open-market buy | 400 | $6.44 | 163,707,343 |
| 2017-07-20 | Open-market buy | 100 | $6.48 | 163,712,343 |
| 2017-07-17 | Open-market buy | 200 | $6.04 | 163,705,343 |
| 2017-07-17 | Open-market buy | 1,600 | $6.04 | 163,706,943 |
| 2017-07-14 | Open-market buy | 1,100 | $6.18 | 163,702,643 |
| 2017-07-14 | Open-market buy | 500 | $6.15 | 163,695,043 |
| 2017-07-14 | Open-market buy | 700 | $6.12 | 163,694,343 |
| 2017-07-14 | Open-market buy | 1,100 | $6.12 | 163,693,643 |
| 2017-07-14 | Open-market buy | 2,500 | $6.18 | 163,705,143 |
| 2017-07-14 | Open-market buy | 200 | $6.14 | 163,694,543 |
| 2017-07-14 | Open-market buy | 3,400 | $6.16 | 163,701,543 |
| 2017-07-14 | Open-market buy | 200 | $6.16 | 163,698,143 |
| 2017-07-14 | Open-market buy | 2,900 | $6.15 | 163,697,943 |
| 2017-07-12 | Open-market buy | 1,700 | $6.13 | 163,692,543 |
| 2017-07-12 | Open-market buy | 100 | $6.13 | 163,690,843 |
| 2017-07-12 | Open-market buy | 1,800 | $6.12 | 163,690,743 |
| 2017-07-10 | Open-market buy | 1,300 | $6.20 | 163,676,143 |
| 2017-07-10 | Open-market buy | 700 | $6.22 | 163,687,543 |
| 2017-07-10 | Open-market buy | 2,500 | $6.21 | 163,686,843 |
| 2017-07-10 | Open-market buy | 400 | $6.21 | 163,684,343 |
| 2017-07-10 | Open-market buy | 7,800 | $6.20 | 163,683,943 |
| 2017-07-10 | Open-market buy | 1,400 | $6.22 | 163,688,943 |
| 2017-07-10 | Open-market buy | 20,926 | $6.19 | 163,674,843 |
| 2017-07-10 | Open-market buy | 7,974 | $6.19 | 163,653,917 |
| 2017-07-10 | Open-market buy | 5,000 | $6.18 | 163,645,943 |
| 2017-07-10 | Open-market buy | 2,000 | $6.17 | 163,640,943 |
| 2017-07-06 | Open-market buy | 2,300 | $6.26 | 163,621,443 |
| 2017-07-06 | Open-market buy | 200 | $6.26 | 163,619,143 |
| 2017-07-06 | Open-market buy | 2,900 | $6.24 | 163,618,943 |
| 2017-07-06 | Open-market buy | 600 | $6.27 | 163,622,043 |
| 2017-07-06 | Open-market buy | 1,900 | $6.27 | 163,623,943 |
| 2017-07-06 | Open-market buy | 2,100 | $6.23 | 163,616,043 |
| 2017-07-06 | Open-market buy | 4,001 | $6.34 | 163,638,943 |
| 2017-07-06 | Open-market buy | 876 | $6.34 | 163,634,942 |
| 2017-07-06 | Open-market buy | 123 | $6.33 | 163,634,066 |
| 2017-07-06 | Open-market buy | 2,400 | $6.32 | 163,633,943 |
| 2017-07-06 | Open-market buy | 100 | $6.32 | 163,631,543 |
| 2017-07-06 | Open-market buy | 4,500 | $6.29 | 163,631,443 |
| 2017-07-06 | Open-market buy | 500 | $6.29 | 163,626,943 |
| 2017-07-06 | Open-market buy | 2,500 | $6.28 | 163,626,443 |
| 2017-07-03 | Open-market buy | 5,400 | $6.46 | 163,608,543 |
| 2017-07-03 | Open-market buy | 1,500 | $6.53 | 163,613,943 |
| 2017-07-03 | Open-market buy | 300 | $6.53 | 163,612,443 |
| 2017-07-03 | Open-market buy | 1,800 | $6.50 | 163,612,143 |
| 2017-07-03 | Open-market buy | 1,600 | $6.48 | 163,610,343 |
| 2017-07-03 | Open-market buy | 200 | $6.48 | 163,608,743 |
| 2017-07-03 | Open-market buy | 1,300 | $6.42 | 163,554,443 |
| 2017-07-03 | Open-market buy | 12,900 | $6.44 | 163,603,143 |
| 2017-07-03 | Open-market buy | 2,500 | $6.44 | 163,590,243 |
| 2017-07-03 | Open-market buy | 9,800 | $6.43 | 163,587,743 |
| 2017-07-03 | Open-market buy | 100 | $6.43 | 163,577,943 |
| 2017-07-03 | Open-market buy | 1,800 | $6.43 | 163,577,843 |
| 2017-07-03 | Open-market buy | 21,600 | $6.42 | 163,576,043 |
| 2017-06-30 | Open-market buy | 1,600 | $6.56 | 163,551,143 |
| 2017-06-30 | Open-market buy | 200 | $6.57 | 163,551,343 |
| 2017-06-30 | Open-market buy | 1,500 | $6.61 | 163,552,843 |
| 2017-06-30 | Open-market buy | 300 | $6.61 | 163,553,143 |
| 2017-06-28 | Open-market buy | 1,800 | $6.87 | 163,549,543 |
| 2017-06-27 | Open-market buy | 1,000 | $6.76 | 163,538,143 |
| 2017-06-27 | Open-market buy | 2,100 | $6.71 | 163,528,043 |
| 2017-06-27 | Open-market buy | 1,800 | $7.00 | 163,547,743 |
| 2017-06-27 | Open-market buy | 4,600 | $6.79 | 163,545,943 |
| 2017-06-27 | Open-market buy | 400 | $6.79 | 163,541,343 |
| 2017-06-27 | Open-market buy | 1,800 | $6.78 | 163,540,943 |
| 2017-06-27 | Open-market buy | 1,000 | $6.77 | 163,539,143 |
| 2017-06-27 | Open-market buy | 2,000 | $6.75 | 163,537,143 |
| 2017-06-27 | Open-market buy | 200 | $6.75 | 163,535,143 |
| 2017-06-27 | Open-market buy | 3,000 | $6.72 | 163,534,943 |
| 2017-06-27 | Open-market buy | 3,900 | $6.71 | 163,531,943 |
| 2017-06-26 | Open-market buy | 270 | $6.96 | 163,524,413 |
| 2017-06-26 | Open-market buy | 1,530 | $6.97 | 163,525,943 |
| 2017-06-22 | Open-market buy | 131,000 | $6.72 | 163,524,143 |
| 2017-06-15 | Open-market buy | 100 | $6.38 | 163,198,243 |
| 2017-06-15 | Open-market buy | 5,000 | $6.35 | 163,198,143 |
| 2017-06-15 | Open-market buy | 14,900 | $6.38 | 163,213,143 |
| 2017-06-15 | Open-market buy | 100 | $6.39 | 163,213,243 |
| 2017-06-15 | Open-market buy | 2,000 | $6.50 | 163,393,143 |
| 2017-06-15 | Open-market buy | 2,568 | $6.47 | 163,391,143 |
| 2017-06-15 | Open-market buy | 8,041 | $6.46 | 163,388,575 |
| 2017-06-15 | Open-market buy | 55,338 | $6.45 | 163,380,534 |
| 2017-06-15 | Open-market buy | 2,200 | $6.45 | 163,325,196 |
| 2017-06-15 | Open-market buy | 42,972 | $6.44 | 163,322,996 |
| 2017-06-15 | Open-market buy | 800 | $6.44 | 163,280,024 |
| 2017-06-15 | Open-market buy | 5,532 | $6.43 | 163,279,224 |
| 2017-06-15 | Open-market buy | 4,949 | $6.43 | 163,273,692 |
| 2017-06-15 | Open-market buy | 22,403 | $6.42 | 163,268,743 |
| 2017-06-15 | Open-market buy | 200 | $6.42 | 163,246,340 |
| 2017-06-15 | Open-market buy | 2,197 | $6.42 | 163,246,140 |
| 2017-06-15 | Open-market buy | 13,400 | $6.41 | 163,243,943 |
| 2017-06-15 | Open-market buy | 3,300 | $6.40 | 163,230,543 |
| 2017-06-15 | Open-market buy | 100 | $6.40 | 163,227,243 |
| 2017-06-15 | Open-market buy | 13,900 | $6.39 | 163,227,143 |
| 2017-06-13 | Open-market buy | 1,400 | $6.49 | 163,187,343 |
| 2017-06-13 | Open-market buy | 1,800 | $6.53 | 163,193,143 |
| 2017-06-13 | Open-market buy | 3,600 | $6.52 | 163,191,343 |
| 2017-06-13 | Open-market buy | 400 | $6.49 | 163,187,743 |
| 2017-06-12 | Open-market buy | 977 | $6.37 | 163,185,943 |
| 2017-06-12 | Open-market buy | 823 | $6.36 | 163,184,966 |
| 2017-06-09 | Open-market buy | 2,200 | $6.37 | 163,161,343 |
| 2017-06-09 | Open-market buy | 4,000 | $6.38 | 163,165,343 |
| 2017-06-09 | Open-market buy | 14,200 | $6.39 | 163,184,143 |
| 2017-06-09 | Open-market buy | 4,600 | $6.39 | 163,169,943 |
| 2017-06-07 | Open-market buy | 7,200 | $6.24 | 163,128,543 |
| 2017-06-07 | Open-market buy | 2,800 | $6.24 | 163,121,343 |
| 2017-06-07 | Open-market buy | 9,405 | $6.23 | 163,118,543 |
| 2017-06-07 | Open-market buy | 595 | $6.23 | 163,109,138 |
| 2017-06-07 | Open-market buy | 4,800 | $6.22 | 163,108,543 |
| 2017-06-07 | Open-market buy | 1,800 | $6.36 | 163,159,143 |
| 2017-06-07 | Open-market buy | 100 | $6.34 | 163,157,343 |
| 2017-06-07 | Open-market buy | 200 | $6.22 | 163,103,743 |
| 2017-06-07 | Open-market buy | 300 | $6.33 | 163,152,443 |
| 2017-06-07 | Open-market buy | 7,900 | $6.32 | 163,152,143 |
| 2017-06-07 | Open-market buy | 700 | $6.32 | 163,144,243 |
| 2017-06-07 | Open-market buy | 4,000 | $6.30 | 163,143,543 |
| 2017-06-07 | Open-market buy | 1,000 | $6.30 | 163,139,543 |
| 2017-06-07 | Open-market buy | 1,800 | $6.28 | 163,130,343 |
| 2017-06-07 | Open-market buy | 7,700 | $6.28 | 163,138,043 |
| 2017-06-07 | Open-market buy | 500 | $6.29 | 163,138,543 |
| 2017-06-07 | Open-market buy | 4,800 | $6.33 | 163,157,243 |
| 2017-06-06 | Open-market buy | 3,233 | $6.37 | 163,098,543 |
| 2017-06-06 | Open-market buy | 1,767 | $6.37 | 163,095,310 |
| 2017-06-06 | Open-market buy | 4,700 | $6.29 | 163,093,543 |
| 2017-06-06 | Open-market buy | 300 | $6.29 | 163,088,843 |
| 2017-06-06 | Open-market buy | 6,100 | $6.28 | 163,088,543 |
| 2017-06-06 | Open-market buy | 1,100 | $6.28 | 163,082,443 |
| 2017-06-06 | Open-market buy | 2,800 | $6.27 | 163,081,343 |
| 2017-06-06 | Open-market buy | 4,400 | $6.23 | 163,078,543 |
| 2017-06-06 | Open-market buy | 3,850 | $6.39 | 163,103,543 |
| 2017-06-06 | Open-market buy | 1,150 | $6.39 | 163,099,693 |
| 2017-06-06 | Open-market buy | 600 | $6.23 | 163,074,143 |
| 2017-06-05 | Open-market buy | 300 | $6.30 | 163,028,843 |
| 2017-06-05 | Open-market buy | 19,700 | $6.30 | 163,048,543 |
| 2017-06-05 | Open-market buy | 5,000 | $6.31 | 163,053,543 |
| 2017-06-05 | Open-market buy | 1,000 | $6.32 | 163,054,543 |
| 2017-06-05 | Open-market buy | 9,000 | $6.32 | 163,063,543 |
| 2017-06-05 | Open-market buy | 700 | $6.35 | 163,064,243 |
| 2017-06-05 | Open-market buy | 9,200 | $6.35 | 163,073,443 |
| 2017-06-05 | Open-market buy | 100 | $6.36 | 163,073,543 |
| 2017-06-05 | Open-market buy | 8,700 | $6.29 | 163,028,543 |
| 2017-06-05 | Open-market buy | 1,300 | $6.29 | 163,019,843 |
| 2017-05-31 | Open-market buy | 900 | $6.12 | 162,952,243 |
| 2017-05-31 | Open-market buy | 29,000 | $6.10 | 162,932,743 |
| 2017-05-31 | Open-market buy | 9,300 | $6.10 | 162,903,743 |
| 2017-05-31 | Open-market buy | 70,220 | $6.09 | 162,894,443 |
| 2017-05-31 | Open-market buy | 12,380 | $6.09 | 162,824,223 |
| 2017-05-31 | Open-market buy | 1,000 | $6.08 | 162,811,843 |
| 2017-05-31 | Open-market buy | 1,800 | $6.22 | 163,018,543 |
| 2017-05-31 | Open-market buy | 3,300 | $6.20 | 163,016,743 |
| 2017-05-31 | Open-market buy | 700 | $6.20 | 163,013,443 |
| 2017-05-31 | Open-market buy | 3,000 | $6.19 | 163,012,743 |
| 2017-05-31 | Open-market buy | 700 | $6.19 | 163,009,743 |
| 2017-05-31 | Open-market buy | 8,100 | $6.18 | 163,009,043 |
| 2017-05-31 | Open-market buy | 800 | $6.18 | 163,000,943 |
| 2017-05-31 | Open-market buy | 3,000 | $6.17 | 163,000,143 |
| 2017-05-31 | Open-market buy | 1,000 | $6.16 | 162,997,143 |
| 2017-05-31 | Open-market buy | 16,600 | $6.14 | 162,996,143 |
| 2017-05-31 | Open-market buy | 800 | $6.14 | 162,979,543 |
| 2017-05-31 | Open-market buy | 11,000 | $6.13 | 162,978,743 |
| 2017-05-31 | Open-market buy | 800 | $6.13 | 162,967,743 |
| 2017-05-31 | Open-market buy | 14,700 | $6.12 | 162,966,943 |
| 2017-05-31 | Open-market buy | 2,031 | $6.11 | 162,934,774 |
| 2017-05-31 | Open-market buy | 16,569 | $6.11 | 162,951,343 |
| 2017-05-30 | Open-market buy | 7,650 | $6.29 | 162,810,843 |
| 2017-05-30 | Open-market buy | 350 | $6.29 | 162,803,193 |
| 2017-05-30 | Open-market buy | 3,600 | $6.26 | 162,795,843 |
| 2017-05-30 | Open-market buy | 300 | $6.27 | 162,796,143 |
| 2017-05-30 | Open-market buy | 3,700 | $6.27 | 162,799,843 |
| 2017-05-30 | Open-market buy | 3,000 | $6.28 | 162,802,843 |
| 2017-05-26 | Open-market buy | 5,000 | $6.34 | 162,792,243 |
| 2017-05-26 | Open-market buy | 19,100 | $6.32 | 162,780,343 |
| 2017-05-26 | Open-market buy | 6,900 | $6.33 | 162,787,243 |
| 2017-05-26 | Open-market buy | 900 | $6.32 | 162,761,243 |
| 2017-05-26 | Open-market buy | 200 | $6.27 | 162,727,843 |
| 2017-05-26 | Open-market buy | 5,200 | $6.27 | 162,733,043 |
| 2017-05-26 | Open-market buy | 100 | $6.28 | 162,733,143 |
| 2017-05-26 | Open-market buy | 6,500 | $6.28 | 162,739,643 |
| 2017-05-26 | Open-market buy | 200 | $6.29 | 162,739,843 |
| 2017-05-26 | Open-market buy | 4,700 | $6.31 | 162,760,343 |
| 2017-05-26 | Open-market buy | 900 | $6.31 | 162,755,643 |
| 2017-05-26 | Open-market buy | 4,000 | $6.30 | 162,754,743 |
| 2017-05-26 | Open-market buy | 1,000 | $6.30 | 162,750,743 |
| 2017-05-26 | Open-market buy | 9,900 | $6.29 | 162,749,743 |
| 2017-05-25 | Open-market buy | 4,600 | $6.39 | 162,722,543 |
| 2017-05-25 | Open-market buy | 300 | $6.39 | 162,717,943 |
| 2017-05-25 | Open-market buy | 4,350 | $6.42 | 162,727,643 |
| 2017-05-25 | Open-market buy | 4,067 | $6.36 | 162,705,710 |
| 2017-05-25 | Open-market buy | 100 | $6.40 | 162,722,643 |
| 2017-05-25 | Open-market buy | 650 | $6.42 | 162,723,293 |
| 2017-05-25 | Open-market buy | 11,933 | $6.36 | 162,717,643 |
| 2017-05-24 | Open-market buy | 1,200 | $6.39 | 162,662,643 |
| 2017-05-24 | Open-market buy | 1,316 | $6.48 | 162,699,259 |
| 2017-05-24 | Open-market buy | 1,000 | $6.45 | 162,697,943 |
| 2017-05-24 | Open-market buy | 1,100 | $6.44 | 162,696,943 |
| 2017-05-24 | Open-market buy | 9,150 | $6.43 | 162,695,843 |
| 2017-05-24 | Open-market buy | 5,050 | $6.43 | 162,686,693 |
| 2017-05-24 | Open-market buy | 4,204 | $6.42 | 162,681,643 |
| 2017-05-24 | Open-market buy | 396 | $6.42 | 162,677,439 |
| 2017-05-24 | Open-market buy | 7,800 | $6.41 | 162,677,043 |
| 2017-05-24 | Open-market buy | 800 | $6.41 | 162,669,243 |
| 2017-05-24 | Open-market buy | 700 | $6.40 | 162,668,443 |
| 2017-05-24 | Open-market buy | 200 | $6.40 | 162,667,743 |
| 2017-05-24 | Open-market buy | 4,900 | $6.39 | 162,667,543 |
| 2017-05-24 | Open-market buy | 2,384 | $6.49 | 162,701,643 |
| 2017-05-24 | Open-market buy | 2,000 | $6.38 | 162,661,443 |
| 2017-05-22 | Open-market buy | 1,300 | $6.49 | 162,641,743 |
| 2017-05-22 | Open-market buy | 3,105 | $6.51 | 162,654,943 |
| 2017-05-22 | Open-market buy | 300 | $6.52 | 162,655,243 |
| 2017-05-22 | Open-market buy | 2,350 | $6.47 | 162,622,793 |
| 2017-05-22 | Open-market buy | 4,550 | $6.45 | 162,620,443 |
| 2017-05-22 | Open-market buy | 450 | $6.45 | 162,615,893 |
| 2017-05-22 | Open-market buy | 6,750 | $6.43 | 162,615,443 |
| 2017-05-22 | Open-market buy | 3,450 | $6.43 | 162,608,693 |
| 2017-05-22 | Open-market buy | 21,994 | $6.42 | 162,605,243 |
| 2017-05-22 | Open-market buy | 3,306 | $6.42 | 162,583,249 |
| 2017-05-22 | Open-market buy | 25,700 | $6.40 | 162,579,943 |
| 2017-05-22 | Open-market buy | 4,300 | $6.40 | 162,554,243 |
| 2017-05-22 | Open-market buy | 400 | $6.39 | 162,549,943 |
| 2017-05-22 | Open-market buy | 10,100 | $6.38 | 162,549,543 |
| 2017-05-22 | Open-market buy | 1,895 | $6.51 | 162,651,838 |
| 2017-05-22 | Open-market buy | 5,900 | $6.50 | 162,649,943 |
| 2017-05-22 | Open-market buy | 100 | $6.50 | 162,644,043 |
| 2017-05-22 | Open-market buy | 2,200 | $6.49 | 162,643,943 |
| 2017-05-22 | Open-market buy | 4,200 | $6.52 | 162,659,443 |
| 2017-05-22 | Open-market buy | 17,650 | $6.47 | 162,640,443 |
| 2017-05-19 | Open-market buy | 3,075 | $6.60 | 162,535,318 |
| 2017-05-19 | Open-market buy | 2,000 | $6.59 | 162,532,243 |
| 2017-05-19 | Open-market buy | 4,125 | $6.60 | 162,539,443 |
| 2017-05-18 | Open-market buy | 5,400 | $6.58 | 162,517,743 |
| 2017-05-18 | Open-market buy | 600 | $6.58 | 162,512,343 |
| 2017-05-18 | Open-market buy | 1,500 | $6.57 | 162,511,743 |
| 2017-05-18 | Open-market buy | 500 | $6.63 | 162,530,243 |
| 2017-05-18 | Open-market buy | 500 | $6.61 | 162,529,743 |
| 2017-05-18 | Open-market buy | 6,500 | $6.60 | 162,529,243 |
| 2017-05-18 | Open-market buy | 1,100 | $6.60 | 162,522,743 |
| 2017-05-18 | Open-market buy | 3,900 | $6.59 | 162,521,643 |
| 2017-05-17 | Open-market buy | 700 | $6.48 | 162,441,445 |
| 2017-05-17 | Open-market buy | 4,000 | $6.66 | 162,506,243 |
| 2017-05-17 | Open-market buy | 10,500 | $6.65 | 162,502,243 |
| 2017-05-17 | Open-market buy | 2,861 | $6.65 | 162,491,743 |
| 2017-05-17 | Open-market buy | 2,500 | $6.53 | 162,488,882 |
| 2017-05-17 | Open-market buy | 100 | $6.53 | 162,486,382 |
| 2017-05-17 | Open-market buy | 3,000 | $6.52 | 162,486,282 |
| 2017-05-17 | Open-market buy | 2,800 | $6.51 | 162,483,282 |
| 2017-05-17 | Open-market buy | 200 | $6.51 | 162,480,482 |
| 2017-05-17 | Open-market buy | 16,800 | $6.50 | 162,480,282 |
| 2017-05-17 | Open-market buy | 100 | $6.50 | 162,463,482 |
| 2017-05-17 | Open-market buy | 600 | $6.50 | 162,463,382 |
| 2017-05-17 | Open-market buy | 11,898 | $6.49 | 162,462,782 |
| 2017-05-17 | Open-market buy | 1,400 | $6.49 | 162,450,884 |
| 2017-05-17 | Open-market buy | 8,039 | $6.48 | 162,449,484 |
| 2017-05-17 | Open-market buy | 4,000 | $6.66 | 162,510,243 |
| 2017-05-17 | Open-market buy | 1,302 | $6.47 | 162,440,745 |
| 2017-05-16 | Open-market buy | 4,200 | $6.61 | 162,426,943 |
| 2017-05-16 | Open-market buy | 1,800 | $6.65 | 162,438,743 |
| 2017-05-16 | Open-market buy | 500 | $6.65 | 162,436,943 |
| 2017-05-16 | Open-market buy | 1,600 | $6.64 | 162,436,443 |
| 2017-05-16 | Open-market buy | 2,200 | $6.63 | 162,434,843 |
| 2017-05-16 | Open-market buy | 4,700 | $6.62 | 162,432,643 |
| 2017-05-16 | Open-market buy | 1,000 | $6.62 | 162,427,943 |
| 2017-05-16 | Open-market buy | 700 | $6.66 | 162,439,443 |
| 2017-05-16 | Open-market buy | 700 | $6.60 | 162,422,743 |
| 2017-05-16 | Open-market buy | 2,700 | $6.59 | 162,422,043 |
| 2017-05-16 | Open-market buy | 1,200 | $6.58 | 162,419,343 |
| 2017-05-16 | Open-market buy | 2,900 | $6.57 | 162,418,143 |
| 2017-05-16 | Open-market buy | 100 | $6.57 | 162,415,243 |
| 2017-05-16 | Open-market buy | 3,500 | $6.56 | 162,415,143 |
| 2017-05-10 | Open-market buy | 1,125,000 | $6.96 | 162,411,643 |
| 2017-05-08 | Open-market buy | 8,700 | $7.19 | 161,206,643 |
| 2017-05-08 | Open-market buy | 1,500 | $7.18 | 161,188,143 |
| 2017-05-08 | Open-market buy | 3,700 | $7.27 | 161,286,643 |
| 2017-05-08 | Open-market buy | 1,300 | $7.27 | 161,282,943 |
| 2017-05-08 | Open-market buy | 9,200 | $7.25 | 161,281,643 |
| 2017-05-08 | Open-market buy | 7,800 | $7.25 | 161,272,443 |
| 2017-05-08 | Open-market buy | 17,800 | $7.24 | 161,264,643 |
| 2017-05-08 | Open-market buy | 200 | $7.24 | 161,246,843 |
| 2017-05-08 | Open-market buy | 5,550 | $7.23 | 161,246,643 |
| 2017-05-08 | Open-market buy | 19,050 | $7.22 | 161,241,093 |
| 2017-05-08 | Open-market buy | 300 | $7.22 | 161,222,043 |
| 2017-05-08 | Open-market buy | 13,200 | $7.21 | 161,221,743 |
| 2017-05-08 | Open-market buy | 900 | $7.21 | 161,208,543 |
| 2017-05-08 | Open-market buy | 1,000 | $7.20 | 161,207,643 |
| 2017-05-08 | Open-market buy | 8,500 | $7.18 | 161,196,643 |
| 2017-05-08 | Open-market buy | 1,300 | $7.19 | 161,197,943 |
| 2017-05-05 | Open-market buy | 3,000 | $7.54 | 161,184,643 |
| 2017-05-05 | Open-market buy | 1,000 | $7.53 | 161,181,643 |
| 2017-05-05 | Open-market buy | 1,000 | $7.52 | 161,180,643 |
| 2017-05-05 | Open-market buy | 2,000 | $7.54 | 161,186,643 |
| 2017-05-05 | Open-market buy | 200 | $7.51 | 161,178,843 |
| 2017-05-05 | Open-market buy | 1,000 | $7.50 | 161,178,643 |
| 2017-05-05 | Open-market buy | 1,000 | $7.49 | 161,177,643 |
| 2017-05-05 | Open-market buy | 800 | $7.51 | 161,179,643 |
| 2017-05-04 | Open-market buy | 500 | $7.51 | 161,170,143 |
| 2017-05-04 | Open-market buy | 1,500 | $7.56 | 161,174,643 |
| 2017-05-04 | Open-market buy | 900 | $7.55 | 161,173,143 |
| 2017-05-04 | Open-market buy | 100 | $7.55 | 161,172,243 |
| 2017-05-04 | Open-market buy | 1,700 | $7.54 | 161,172,143 |
| 2017-05-04 | Open-market buy | 300 | $7.54 | 161,170,443 |
| 2017-05-04 | Open-market buy | 2,000 | $7.56 | 161,176,643 |
| 2017-05-04 | Open-market buy | 500 | $7.48 | 161,169,643 |
| 2017-05-04 | Open-market buy | 100 | $7.46 | 161,169,143 |
| 2017-05-04 | Open-market buy | 400 | $7.46 | 161,169,043 |
| 2017-05-04 | Open-market buy | 1,157 | $7.45 | 161,168,643 |
| 2017-05-04 | Open-market buy | 1,043 | $7.45 | 161,167,486 |
| 2017-05-04 | Open-market buy | 1,600 | $7.44 | 161,166,443 |
| 2017-05-03 | Open-market buy | 2,800 | $7.53 | 161,162,843 |
| 2017-05-03 | Open-market buy | 500 | $7.56 | 161,163,843 |
| 2017-05-03 | Open-market buy | 500 | $7.54 | 161,163,343 |
| 2017-05-03 | Open-market buy | 1,000 | $7.60 | 161,164,843 |
| 2017-05-03 | Open-market buy | 200 | $7.53 | 161,160,043 |
| 2017-05-03 | Open-market buy | 4,500 | $7.51 | 161,159,843 |
| 2017-05-03 | Open-market buy | 1,500 | $7.50 | 161,155,343 |
| 2017-05-02 | Open-market buy | 200 | $7.49 | 161,142,943 |
| 2017-05-02 | Open-market buy | 500 | $7.44 | 161,139,343 |
| 2017-05-02 | Open-market buy | 100 | $7.48 | 161,139,443 |
| 2017-05-02 | Open-market buy | 6,000 | $7.63 | 161,152,343 |
| 2017-05-02 | Open-market buy | 400 | $7.63 | 161,146,343 |
| 2017-05-02 | Open-market buy | 1,000 | $7.62 | 161,145,943 |
| 2017-05-02 | Open-market buy | 1,000 | $7.61 | 161,144,943 |
| 2017-05-02 | Open-market buy | 1,000 | $7.59 | 161,143,943 |
| 2017-05-02 | Open-market buy | 1,500 | $7.64 | 161,153,843 |
| 2017-05-02 | Open-market buy | 3,300 | $7.48 | 161,142,743 |
| 2017-05-01 | Open-market buy | 1,000 | $7.80 | 161,138,143 |
| 2017-05-01 | Open-market buy | 400 | $7.89 | 161,138,843 |
| 2017-05-01 | Open-market buy | 2,500 | $7.56 | 161,136,643 |
| 2017-05-01 | Open-market buy | 200 | $7.84 | 161,138,343 |
| 2017-05-01 | Open-market buy | 100 | $7.85 | 161,138,443 |
| 2017-05-01 | Open-market buy | 500 | $7.79 | 161,137,143 |
| 2017-04-28 | Open-market buy | 200 | $7.77 | 161,125,343 |
| 2017-04-28 | Open-market buy | 3,200 | $7.77 | 161,128,543 |
| 2017-04-28 | Open-market buy | 2,000 | $7.78 | 161,130,543 |
| 2017-04-28 | Open-market buy | 2,200 | $7.79 | 161,132,743 |
| 2017-04-28 | Open-market buy | 1,400 | $7.79 | 161,134,143 |
| 2017-04-27 | Open-market buy | 2,100 | $7.86 | 161,123,643 |
| 2017-04-27 | Open-market buy | 1,600 | $7.84 | 161,116,143 |
| 2017-04-27 | Open-market buy | 5,400 | $7.85 | 161,121,543 |
| 2017-04-27 | Open-market buy | 200 | $7.84 | 161,114,543 |
| 2017-04-27 | Open-market buy | 1,500 | $7.86 | 161,125,143 |
| 2017-04-27 | Open-market buy | 1,800 | $7.73 | 161,104,443 |
| 2017-04-27 | Open-market buy | 2,500 | $7.75 | 161,106,943 |
| 2017-04-27 | Open-market buy | 3,600 | $7.81 | 161,114,343 |
| 2017-04-27 | Open-market buy | 2,830 | $7.79 | 161,110,743 |
| 2017-04-27 | Open-market buy | 600 | $7.79 | 161,107,913 |
| 2017-04-27 | Open-market buy | 370 | $7.78 | 161,107,313 |
| 2017-04-26 | Open-market buy | 4,200 | $7.84 | 161,102,643 |
| 2017-04-26 | Open-market buy | 800 | $7.84 | 161,098,443 |
| 2017-04-21 | Open-market buy | 700 | $7.51 | 161,092,743 |
| 2017-04-21 | Open-market buy | 2,500 | $7.48 | 161,092,043 |
| 2017-04-21 | Open-market buy | 2,500 | $7.47 | 161,089,543 |
| 2017-04-21 | Open-market buy | 1,700 | $7.46 | 161,087,043 |
| 2017-04-21 | Open-market buy | 100 | $7.46 | 161,085,343 |
| 2017-04-21 | Open-market buy | 3,900 | $7.45 | 161,085,243 |
| 2017-04-21 | Open-market buy | 900 | $7.45 | 161,081,343 |
| 2017-04-21 | Open-market buy | 300 | $7.44 | 161,080,443 |
| 2017-04-21 | Open-market buy | 1,500 | $7.44 | 161,080,143 |
| 2017-04-21 | Open-market buy | 1,300 | $7.59 | 161,097,643 |
| 2017-04-21 | Open-market buy | 500 | $7.59 | 161,096,343 |
| 2017-04-21 | Open-market buy | 2,000 | $7.54 | 161,095,843 |
| 2017-04-21 | Open-market buy | 1,100 | $7.51 | 161,093,843 |
| 2017-04-19 | Open-market buy | 1,500 | $7.50 | 161,070,443 |
| 2017-04-19 | Open-market buy | 1,800 | $7.35 | 161,065,443 |
| 2017-04-19 | Open-market buy | 1,000 | $7.56 | 161,078,643 |
| 2017-04-19 | Open-market buy | 500 | $7.53 | 161,077,643 |
| 2017-04-19 | Open-market buy | 3,000 | $7.52 | 161,077,143 |
| 2017-04-19 | Open-market buy | 700 | $7.52 | 161,074,143 |
| 2017-04-19 | Open-market buy | 3,000 | $7.51 | 161,073,443 |
| 2017-04-19 | Open-market buy | 1,500 | $7.49 | 161,068,943 |
| 2017-04-19 | Open-market buy | 1,000 | $7.47 | 161,067,443 |
| 2017-04-19 | Open-market buy | 500 | $7.45 | 161,066,443 |
| 2017-04-19 | Open-market buy | 500 | $7.41 | 161,065,943 |
| 2017-04-18 | Open-market buy | 100 | $7.16 | 161,037,743 |
| 2017-04-18 | Open-market buy | 179 | $7.41 | 161,063,643 |
| 2017-04-18 | Open-market buy | 1,600 | $7.40 | 161,063,464 |
| 2017-04-18 | Open-market buy | 3,421 | $7.39 | 161,061,864 |
| 2017-04-18 | Open-market buy | 200 | $7.38 | 161,058,443 |
| 2017-04-18 | Open-market buy | 1,800 | $7.37 | 161,058,243 |
| 2017-04-18 | Open-market buy | 300 | $7.31 | 161,056,443 |
| 2017-04-18 | Open-market buy | 1,700 | $7.30 | 161,056,143 |
| 2017-04-18 | Open-market buy | 2,700 | $7.27 | 161,054,443 |
| 2017-04-18 | Open-market buy | 300 | $7.27 | 161,051,743 |
| 2017-04-18 | Open-market buy | 9,000 | $7.21 | 161,051,443 |
| 2017-04-18 | Open-market buy | 1,000 | $7.21 | 161,042,443 |
| 2017-04-18 | Open-market buy | 1,800 | $7.17 | 161,041,443 |
| 2017-04-18 | Open-market buy | 1,900 | $7.16 | 161,039,643 |
| 2017-04-18 | Open-market buy | 300 | $7.15 | 161,036,143 |
| 2017-04-18 | Open-market buy | 1,500 | $7.15 | 161,037,643 |
| 2017-04-17 | Open-market buy | 1,000 | $7.48 | 161,031,243 |
| 2017-04-17 | Open-market buy | 1,700 | $7.52 | 161,035,843 |
| 2017-04-17 | Open-market buy | 100 | $7.52 | 161,034,143 |
| 2017-04-17 | Open-market buy | 1,000 | $7.51 | 161,034,043 |
| 2017-04-17 | Open-market buy | 1,000 | $7.51 | 161,033,043 |
| 2017-04-17 | Open-market buy | 800 | $7.49 | 161,032,043 |
| 2017-04-17 | Open-market buy | 100 | $7.44 | 161,022,343 |
| 2017-04-17 | Open-market buy | 3,300 | $7.47 | 161,030,243 |
| 2017-04-17 | Open-market buy | 1,100 | $7.47 | 161,026,943 |
| 2017-04-17 | Open-market buy | 400 | $7.45 | 161,025,843 |
| 2017-04-17 | Open-market buy | 700 | $7.45 | 161,025,443 |
| 2017-04-17 | Open-market buy | 2,400 | $7.44 | 161,024,743 |
| 2017-04-13 | Open-market buy | 1,000 | $7.54 | 160,996,243 |
| 2017-04-13 | Open-market buy | 1,000 | $7.55 | 160,997,243 |
| 2017-04-13 | Open-market buy | 100 | $7.56 | 160,997,343 |
| 2017-04-13 | Open-market buy | 3,400 | $7.56 | 161,000,743 |
| 2017-04-13 | Open-market buy | 1,300 | $7.57 | 161,002,043 |
| 2017-04-13 | Open-market buy | 2,300 | $7.57 | 161,004,343 |
| 2017-04-13 | Open-market buy | 2,000 | $7.58 | 161,006,343 |
| 2017-04-13 | Open-market buy | 3,033 | $7.59 | 161,009,376 |
| 2017-04-13 | Open-market buy | 1,400 | $7.60 | 161,010,776 |
| 2017-04-13 | Open-market buy | 7,667 | $7.60 | 161,018,443 |
| 2017-04-13 | Open-market buy | 600 | $7.61 | 161,019,043 |
| 2017-04-13 | Open-market buy | 3,000 | $7.53 | 160,995,243 |
| 2017-04-13 | Open-market buy | 500 | $7.52 | 160,991,943 |
| 2017-04-13 | Open-market buy | 300 | $7.53 | 160,992,243 |
| 2017-04-13 | Open-market buy | 3,200 | $7.61 | 161,022,243 |
| 2017-04-11 | Open-market buy | 1,500 | $7.49 | 160,982,443 |
| 2017-04-11 | Open-market buy | 600 | $7.47 | 160,974,043 |
| 2017-04-11 | Open-market buy | 6,900 | $7.48 | 160,980,943 |
| 2017-04-11 | Open-market buy | 400 | $7.53 | 160,987,743 |
| 2017-04-11 | Open-market buy | 1,000 | $7.50 | 160,987,343 |
| 2017-04-11 | Open-market buy | 1,000 | $7.50 | 160,986,343 |
| 2017-04-11 | Open-market buy | 2,900 | $7.49 | 160,985,343 |
| 2017-04-11 | Open-market buy | 3,700 | $7.53 | 160,991,443 |
| 2017-04-10 | Open-market buy | 800 | $7.68 | 160,973,443 |
| 2017-04-10 | Open-market buy | 3,205 | $7.59 | 160,957,943 |
| 2017-04-10 | Open-market buy | 1,295 | $7.59 | 160,954,738 |
| 2017-04-10 | Open-market buy | 2,000 | $7.58 | 160,953,443 |
| 2017-04-10 | Open-market buy | 5,800 | $7.58 | 160,951,443 |
| 2017-04-10 | Open-market buy | 5,200 | $7.57 | 160,945,643 |
| 2017-04-10 | Open-market buy | 1,500 | $7.60 | 160,959,443 |
| 2017-04-10 | Open-market buy | 200 | $7.68 | 160,972,643 |
| 2017-04-10 | Open-market buy | 1,000 | $7.66 | 160,972,443 |
| 2017-04-10 | Open-market buy | 2,500 | $7.64 | 160,971,443 |
| 2017-04-10 | Open-market buy | 4,000 | $7.63 | 160,968,943 |
| 2017-04-10 | Open-market buy | 2,000 | $7.62 | 160,964,943 |
| 2017-04-10 | Open-market buy | 3,500 | $7.61 | 160,962,943 |
| 2017-04-07 | Open-market buy | 500 | $7.65 | 160,938,443 |
| 2017-04-07 | Open-market buy | 2,400 | $7.60 | 160,936,943 |
| 2017-04-07 | Open-market buy | 1,000 | $7.53 | 160,914,043 |
| 2017-04-07 | Open-market buy | 500 | $7.52 | 160,913,043 |
| 2017-04-07 | Open-market buy | 1,000 | $7.70 | 160,940,443 |
| 2017-04-07 | Open-market buy | 500 | $7.54 | 160,914,543 |
| 2017-04-07 | Open-market buy | 3,500 | $7.54 | 160,918,043 |
| 2017-04-07 | Open-market buy | 500 | $7.55 | 160,918,543 |
| 2017-04-07 | Open-market buy | 3,000 | $7.55 | 160,921,543 |
| 2017-04-07 | Open-market buy | 3,000 | $7.56 | 160,924,543 |
| 2017-04-07 | Open-market buy | 1,500 | $7.57 | 160,926,043 |
| 2017-04-07 | Open-market buy | 500 | $7.57 | 160,926,543 |
| 2017-04-07 | Open-market buy | 600 | $7.58 | 160,927,143 |
| 2017-04-07 | Open-market buy | 1,400 | $7.58 | 160,928,543 |
| 2017-04-07 | Open-market buy | 200 | $7.59 | 160,928,743 |
| 2017-04-07 | Open-market buy | 800 | $7.59 | 160,929,543 |
| 2017-04-07 | Open-market buy | 5,000 | $7.60 | 160,934,543 |
| 2017-04-07 | Open-market buy | 1,000 | $7.62 | 160,937,943 |
| 2017-04-07 | Open-market buy | 100 | $7.52 | 160,912,543 |
| 2017-04-07 | Open-market buy | 1,000 | $7.68 | 160,939,443 |
| 2017-04-06 | Open-market buy | 500 | $7.55 | 160,889,343 |
| 2017-04-06 | Open-market buy | 5,000 | $7.54 | 160,888,843 |
| 2017-04-06 | Open-market buy | 1,100 | $7.64 | 160,912,443 |
| 2017-04-06 | Open-market buy | 6,700 | $7.62 | 160,911,343 |
| 2017-04-06 | Open-market buy | 1,500 | $7.61 | 160,904,643 |
| 2017-04-06 | Open-market buy | 1,500 | $7.60 | 160,903,143 |
| 2017-04-06 | Open-market buy | 3,400 | $7.59 | 160,901,643 |
| 2017-04-06 | Open-market buy | 600 | $7.59 | 160,898,243 |
| 2017-04-06 | Open-market buy | 3,800 | $7.57 | 160,897,643 |
| 2017-04-06 | Open-market buy | 2,500 | $7.56 | 160,893,843 |
| 2017-04-06 | Open-market buy | 2,000 | $7.56 | 160,891,343 |
| 2017-04-05 | Open-market buy | 1,000 | $7.70 | 160,865,543 |
| 2017-04-05 | Open-market buy | 1,000 | $7.68 | 160,862,543 |
| 2017-04-05 | Open-market buy | 1,800 | $7.67 | 160,861,543 |
| 2017-04-05 | Open-market buy | 500 | $7.66 | 160,859,743 |
| 2017-04-05 | Open-market buy | 8,300 | $7.63 | 160,859,243 |
| 2017-04-05 | Open-market buy | 600 | $7.63 | 160,850,943 |
| 2017-04-05 | Open-market buy | 7,700 | $7.62 | 160,850,343 |
| 2017-04-05 | Open-market buy | 800 | $7.62 | 160,842,643 |
| 2017-04-05 | Open-market buy | 2,500 | $7.61 | 160,841,843 |
| 2017-04-05 | Open-market buy | 500 | $7.83 | 160,883,843 |
| 2017-04-05 | Open-market buy | 1,000 | $7.81 | 160,883,343 |
| 2017-04-05 | Open-market buy | 1,000 | $7.79 | 160,882,343 |
| 2017-04-05 | Open-market buy | 2,000 | $7.78 | 160,881,343 |
| 2017-04-05 | Open-market buy | 4,400 | $7.76 | 160,879,343 |
| 2017-04-05 | Open-market buy | 100 | $7.76 | 160,874,943 |
| 2017-04-05 | Open-market buy | 2,500 | $7.75 | 160,874,843 |
| 2017-04-05 | Open-market buy | 300 | $7.75 | 160,872,343 |
| 2017-04-05 | Open-market buy | 2,900 | $7.74 | 160,872,043 |
| 2017-04-05 | Open-market buy | 2,400 | $7.73 | 160,869,143 |
| 2017-04-05 | Open-market buy | 1,200 | $7.72 | 160,866,743 |
| 2017-04-05 | Open-market buy | 300 | $7.69 | 160,862,843 |
| 2017-04-05 | Open-market buy | 1,700 | $7.69 | 160,864,543 |
| 2017-04-04 | Open-market buy | 500 | $7.68 | 160,833,443 |
| 2017-04-04 | Open-market buy | 848 | $7.64 | 160,832,791 |
| 2017-04-04 | Open-market buy | 1,800 | $7.74 | 160,839,343 |
| 2017-04-04 | Open-market buy | 4,100 | $7.69 | 160,837,543 |
| 2017-04-04 | Open-market buy | 152 | $7.65 | 160,832,943 |
| 2017-04-03 | Open-market buy | 200 | $7.75 | 160,810,543 |
| 2017-04-03 | Open-market buy | 3,400 | $7.75 | 160,813,943 |
| 2017-04-03 | Open-market buy | 3,600 | $7.77 | 160,817,543 |
| 2017-04-03 | Open-market buy | 90 | $8.02 | 160,831,943 |
| 2017-04-03 | Open-market buy | 1,710 | $8.00 | 160,831,853 |
| 2017-04-03 | Open-market buy | 900 | $7.90 | 160,830,143 |
| 2017-04-03 | Open-market buy | 900 | $7.89 | 160,829,243 |
| 2017-04-03 | Open-market buy | 300 | $7.84 | 160,828,343 |
| 2017-04-03 | Open-market buy | 100 | $7.84 | 160,828,043 |
| 2017-04-03 | Open-market buy | 3,200 | $7.83 | 160,827,943 |
| 2017-04-03 | Open-market buy | 3,600 | $7.82 | 160,824,743 |
| 2017-04-03 | Open-market buy | 300 | $7.81 | 160,821,143 |
| 2017-04-03 | Open-market buy | 2,900 | $7.80 | 160,820,843 |
| 2017-04-03 | Open-market buy | 400 | $7.80 | 160,817,943 |
| 2017-03-31 | Open-market buy | 1,800 | $8.00 | 160,810,343 |
| 2017-03-30 | Open-market buy | 300 | $8.02 | 160,801,243 |
| 2017-03-30 | Open-market buy | 1,000 | $8.05 | 160,806,660 |
| 2017-03-30 | Open-market buy | 1,217 | $8.04 | 160,805,660 |
| 2017-03-30 | Open-market buy | 2,000 | $8.03 | 160,804,443 |
| 2017-03-30 | Open-market buy | 1,200 | $8.02 | 160,802,443 |
| 2017-03-30 | Open-market buy | 1,883 | $8.06 | 160,808,543 |
| 2017-03-30 | Open-market buy | 500 | $8.01 | 160,800,943 |
| 2017-03-30 | Open-market buy | 500 | $7.99 | 160,800,443 |
| 2017-03-30 | Open-market buy | 500 | $7.98 | 160,799,943 |
| 2017-03-30 | Open-market buy | 1,000 | $7.97 | 160,799,443 |
| 2017-03-30 | Open-market buy | 500 | $7.97 | 160,798,443 |
| 2017-03-29 | Open-market buy | 700 | $8.15 | 160,795,043 |
| 2017-03-29 | Open-market buy | 1,600 | $8.16 | 160,797,643 |
| 2017-03-29 | Open-market buy | 200 | $8.16 | 160,796,043 |
| 2017-03-29 | Open-market buy | 800 | $8.15 | 160,795,843 |
| 2017-03-29 | Open-market buy | 300 | $8.17 | 160,797,943 |
| 2017-03-29 | Open-market buy | 1,500 | $8.13 | 160,794,343 |
| 2017-03-29 | Open-market buy | 300 | $8.13 | 160,792,843 |
| 2017-03-29 | Open-market buy | 3,600 | $8.12 | 160,792,543 |
| 2017-03-29 | Open-market buy | 200 | $8.12 | 160,788,943 |
| 2017-03-28 | Open-market buy | 1,300 | $8.02 | 160,786,443 |
| 2017-03-28 | Open-market buy | 2,300 | $8.03 | 160,788,743 |
| 2017-03-24 | Open-market buy | 1,100 | $7.81 | 160,785,143 |
| 2017-03-24 | Open-market buy | 1,600 | $7.70 | 160,783,143 |
| 2017-03-24 | Open-market buy | 200 | $7.71 | 160,783,343 |
| 2017-03-24 | Open-market buy | 700 | $7.81 | 160,784,043 |
| 2017-03-23 | Open-market buy | 3,300 | $7.72 | 160,777,943 |
| 2017-03-23 | Open-market buy | 5,000 | $7.66 | 160,774,343 |
| 2017-03-23 | Open-market buy | 1,200 | $7.73 | 160,779,743 |
| 2017-03-23 | Open-market buy | 600 | $7.73 | 160,778,543 |
| 2017-03-23 | Open-market buy | 1,800 | $7.79 | 160,781,543 |
| 2017-03-23 | Open-market buy | 300 | $7.72 | 160,774,643 |
| 2017-03-21 | Open-market buy | 470 | $7.72 | 160,764,013 |
| 2017-03-21 | Open-market buy | 700 | $7.86 | 160,766,243 |
| 2017-03-21 | Open-market buy | 1,530 | $7.72 | 160,765,543 |
| 2017-03-21 | Open-market buy | 700 | $7.87 | 160,766,943 |
| 2017-03-21 | Open-market buy | 600 | $7.87 | 160,767,543 |
| 2017-03-21 | Open-market buy | 1,800 | $7.98 | 160,769,343 |
| 2017-03-20 | Open-market buy | 1,000 | $8.03 | 160,760,943 |
| 2017-03-20 | Open-market buy | 1,600 | $8.01 | 160,759,943 |
| 2017-03-20 | Open-market buy | 200 | $8.01 | 160,758,343 |
| 2017-03-20 | Open-market buy | 1,800 | $7.97 | 160,756,343 |
| 2017-03-20 | Open-market buy | 800 | $7.95 | 160,754,543 |
| 2017-03-20 | Open-market buy | 1,200 | $7.95 | 160,753,743 |
| 2017-03-20 | Open-market buy | 2,600 | $8.03 | 160,763,543 |
| 2017-03-20 | Open-market buy | 1,800 | $7.98 | 160,758,143 |
| 2017-03-17 | Open-market buy | 1,800 | $8.12 | 160,747,143 |
| 2017-03-17 | Open-market buy | 1,800 | $8.08 | 160,745,343 |
| 2017-03-17 | Open-market buy | 1,800 | $8.23 | 160,748,943 |
| 2017-03-17 | Open-market buy | 1,800 | $8.25 | 160,750,743 |
| 2017-03-17 | Open-market buy | 1,800 | $8.27 | 160,752,543 |
| 2017-03-15 | Open-market buy | 1,700 | $8.03 | 160,743,543 |
| 2017-03-15 | Open-market buy | 100 | $8.03 | 160,741,843 |
| 2017-03-10 | Open-market buy | 1,600 | $7.97 | 160,741,743 |
| 2017-03-10 | Open-market buy | 200 | $7.97 | 160,740,143 |
| 2017-03-09 | Open-market buy | 700 | $7.87 | 160,739,883 |
| 2017-03-09 | Open-market buy | 600 | $7.86 | 160,739,183 |
| 2017-03-09 | Open-market buy | 440 | $7.85 | 160,738,583 |
| 2017-03-09 | Open-market buy | 1,600 | $7.81 | 160,738,143 |
| 2017-03-09 | Open-market buy | 60 | $7.88 | 160,739,943 |
| 2017-03-09 | Open-market buy | 200 | $7.81 | 160,736,543 |
| 2017-03-08 | Open-market buy | 1,800 | $7.92 | 160,736,343 |
| 2017-03-03 | Open-market buy | 1,700 | $7.43 | 160,729,543 |
| 2017-03-03 | Open-market buy | 1,800 | $7.38 | 160,727,743 |
| 2017-03-03 | Open-market buy | 100 | $7.43 | 160,727,843 |
| 2017-03-03 | Open-market buy | 1,000 | $7.44 | 160,730,543 |
| 2017-03-03 | Open-market buy | 600 | $7.45 | 160,731,143 |
| 2017-03-03 | Open-market buy | 3,400 | $7.45 | 160,734,543 |
| 2017-03-02 | Open-market buy | 94,800 | $7.53 | 160,725,943 |
| 2017-02-24 | Open-market buy | 400 | $8.48 | 160,629,743 |
| 2017-02-24 | Open-market buy | 1,400 | $8.48 | 160,631,143 |
| 2017-02-24 | Open-market buy | 1,800 | $8.43 | 160,629,343 |
| 2017-02-23 | Open-market buy | 1,700 | $8.39 | 160,627,543 |
| 2017-02-23 | Open-market buy | 100 | $8.39 | 160,625,843 |
| 2017-02-22 | Open-market buy | 1,700 | $8.54 | 160,625,743 |
| 2017-02-22 | Open-market buy | 100 | $8.53 | 160,624,043 |
| 2017-02-21 | Open-market buy | 1,800 | $8.71 | 160,622,143 |
| 2017-02-21 | Open-market buy | 1,800 | $8.89 | 160,623,943 |
| 2017-02-17 | Open-market buy | 300 | $8.77 | 160,618,843 |
| 2017-02-17 | Open-market buy | 500 | $8.81 | 160,620,343 |
| 2017-02-17 | Open-market buy | 1,000 | $8.80 | 160,619,843 |
| 2017-02-16 | Open-market buy | 1,800 | $8.65 | 160,618,543 |
| 2017-02-15 | Open-market buy | 1,800 | $8.46 | 160,616,743 |
| 2017-02-14 | Open-market buy | 1,800 | $8.41 | 160,614,943 |
| 2017-02-13 | Open-market buy | 1,400 | $8.36 | 160,613,143 |
| 2017-02-13 | Open-market buy | 400 | $8.36 | 160,611,743 |
| 2017-02-10 | Open-market buy | 1,414 | $8.14 | 160,610,957 |
| 2017-02-10 | Open-market buy | 386 | $8.15 | 160,611,343 |
| 2017-02-09 | Open-market buy | 500 | $8.05 | 160,602,843 |
| 2017-02-09 | Open-market buy | 500 | $8.03 | 160,600,043 |
| 2017-02-09 | Open-market buy | 100 | $8.04 | 160,600,143 |
| 2017-02-09 | Open-market buy | 3,400 | $8.09 | 160,608,843 |
| 2017-02-09 | Open-market buy | 100 | $8.09 | 160,605,443 |
| 2017-02-09 | Open-market buy | 1,000 | $8.08 | 160,605,343 |
| 2017-02-09 | Open-market buy | 1,000 | $8.07 | 160,604,343 |
| 2017-02-09 | Open-market buy | 500 | $8.06 | 160,603,343 |
| 2017-02-09 | Open-market buy | 700 | $8.10 | 160,609,543 |
| 2017-02-09 | Open-market buy | 2,200 | $8.04 | 160,602,343 |
| 2017-02-08 | Open-market buy | 500 | $8.14 | 160,592,843 |
| 2017-02-08 | Open-market buy | 200 | $8.04 | 160,584,143 |
| 2017-02-08 | Open-market buy | 1,600 | $8.04 | 160,585,743 |
| 2017-02-08 | Open-market buy | 1,800 | $8.26 | 160,599,543 |
| 2017-02-08 | Open-market buy | 1,800 | $8.25 | 160,597,743 |
| 2017-02-08 | Open-market buy | 1,800 | $8.18 | 160,595,943 |
| 2017-02-08 | Open-market buy | 1,300 | $8.14 | 160,594,143 |
| 2017-02-08 | Open-market buy | 1,800 | $8.12 | 160,592,343 |
| 2017-02-08 | Open-market buy | 1,800 | $8.09 | 160,590,543 |
| 2017-02-08 | Open-market buy | 3,000 | $8.05 | 160,588,743 |
| 2017-02-07 | Open-market buy | 1,800 | $8.27 | 160,582,143 |
| 2017-02-07 | Open-market buy | 1,100 | $8.26 | 160,579,643 |
| 2017-02-07 | Open-market buy | 1,800 | $8.29 | 160,583,943 |
| 2017-02-07 | Open-market buy | 700 | $8.26 | 160,580,343 |
| 2017-02-06 | Open-market buy | 542 | $8.47 | 160,577,043 |
| 2017-02-06 | Open-market buy | 500 | $8.46 | 160,576,501 |
| 2017-02-06 | Open-market buy | 1,258 | $8.45 | 160,576,001 |
| 2017-02-06 | Open-market buy | 1,000 | $8.50 | 160,578,543 |
| 2017-02-06 | Open-market buy | 100 | $8.38 | 160,571,343 |
| 2017-02-06 | Open-market buy | 1,625 | $8.38 | 160,572,968 |
| 2017-02-06 | Open-market buy | 775 | $8.39 | 160,573,743 |
| 2017-02-06 | Open-market buy | 500 | $8.41 | 160,574,243 |
| 2017-02-06 | Open-market buy | 500 | $8.43 | 160,574,743 |
| 2017-02-06 | Open-market buy | 500 | $8.36 | 160,571,243 |
| 2017-02-06 | Open-market buy | 500 | $8.35 | 160,570,743 |
| 2017-02-06 | Open-market buy | 500 | $8.32 | 160,570,243 |
| 2017-02-06 | Open-market buy | 2,000 | $8.30 | 160,569,743 |
| 2017-02-06 | Open-market buy | 1,640 | $8.27 | 160,567,743 |
| 2017-02-06 | Open-market buy | 100 | $8.27 | 160,566,103 |
| 2017-02-06 | Open-market buy | 560 | $8.27 | 160,566,003 |
| 2017-02-06 | Open-market buy | 3,900 | $8.26 | 160,565,443 |
| 2017-02-06 | Open-market buy | 100 | $8.26 | 160,561,543 |
| 2017-02-06 | Open-market buy | 1,000 | $8.22 | 160,561,443 |
| 2017-02-06 | Open-market buy | 2,400 | $8.19 | 160,560,443 |
| 2017-02-06 | Open-market buy | 100 | $8.19 | 160,558,043 |
| 2017-02-06 | Open-market buy | 500 | $8.48 | 160,577,543 |
| 2017-02-02 | Open-market buy | 2,000 | $8.52 | 160,554,943 |
| 2017-02-02 | Open-market buy | 900 | $8.54 | 160,555,843 |
| 2017-02-02 | Open-market buy | 2,100 | $8.54 | 160,557,943 |
| 2017-02-02 | Open-market buy | 1,000 | $8.50 | 160,552,943 |
| 2017-02-01 | Open-market buy | 3,200 | $8.59 | 160,548,343 |
| 2017-02-01 | Open-market buy | 1,200 | $8.60 | 160,550,143 |
| 2017-02-01 | Open-market buy | 600 | $8.60 | 160,548,943 |
| 2017-02-01 | Open-market buy | 1,800 | $8.62 | 160,551,943 |
| 2017-02-01 | Open-market buy | 400 | $8.59 | 160,545,143 |
| 2017-02-01 | Open-market buy | 1,800 | $8.57 | 160,544,743 |
| 2017-01-31 | Open-market buy | 2,500 | $8.42 | 160,533,443 |
| 2017-01-31 | Open-market buy | 400 | $8.53 | 160,534,443 |
| 2017-01-31 | Open-market buy | 100 | $8.53 | 160,534,043 |
| 2017-01-31 | Open-market buy | 500 | $8.49 | 160,533,943 |
| 2017-01-31 | Open-market buy | 1,000 | $8.58 | 160,535,443 |
| 2017-01-31 | Open-market buy | 5,000 | $8.69 | 160,542,943 |
| 2017-01-31 | Open-market buy | 500 | $8.66 | 160,537,943 |
| 2017-01-31 | Open-market buy | 1,900 | $8.63 | 160,537,443 |
| 2017-01-31 | Open-market buy | 100 | $8.63 | 160,535,543 |
| 2017-01-30 | Open-market buy | 1,600 | $8.48 | 160,525,843 |
| 2017-01-30 | Open-market buy | 500 | $8.52 | 160,529,443 |
| 2017-01-30 | Open-market buy | 2,700 | $8.49 | 160,528,943 |
| 2017-01-30 | Open-market buy | 400 | $8.49 | 160,526,243 |
| 2017-01-30 | Open-market buy | 1,500 | $8.52 | 160,530,943 |
| 2017-01-30 | Open-market buy | 1,300 | $8.48 | 160,524,243 |
| 2017-01-30 | Open-market buy | 1,000 | $8.47 | 160,522,943 |
| 2017-01-30 | Open-market buy | 1,000 | $8.45 | 160,521,943 |
| 2017-01-27 | Open-market buy | 2,500 | $8.65 | 160,512,443 |
| 2017-01-27 | Open-market buy | 500 | $8.68 | 160,519,143 |
| 2017-01-27 | Open-market buy | 4,700 | $8.67 | 160,518,643 |
| 2017-01-27 | Open-market buy | 1,500 | $8.66 | 160,513,943 |
| 2017-01-27 | Open-market buy | 1,800 | $8.69 | 160,520,943 |
| 2017-01-27 | Open-market buy | 300 | $8.65 | 160,509,943 |
| 2017-01-27 | Open-market buy | 200 | $8.65 | 160,509,643 |
| 2017-01-27 | Open-market buy | 500 | $8.63 | 160,509,443 |
| 2017-01-25 | Open-market buy | 1,000 | $8.48 | 160,501,943 |
| 2017-01-25 | Open-market buy | 665 | $8.35 | 160,500,943 |
| 2017-01-25 | Open-market buy | 1,335 | $8.34 | 160,500,278 |
| 2017-01-25 | Open-market buy | 1,000 | $8.58 | 160,504,943 |
| 2017-01-25 | Open-market buy | 1,000 | $8.59 | 160,505,943 |
| 2017-01-25 | Open-market buy | 1,000 | $8.63 | 160,506,943 |
| 2017-01-25 | Open-market buy | 1,000 | $8.68 | 160,507,943 |
| 2017-01-25 | Open-market buy | 1,000 | $8.71 | 160,508,943 |
| 2017-01-25 | Open-market buy | 2,000 | $8.58 | 160,503,943 |
| 2017-01-24 | Open-market buy | 3,698 | $8.45 | 160,495,943 |
| 2017-01-24 | Open-market buy | 2,000 | $8.43 | 160,490,943 |
| 2017-01-24 | Open-market buy | 3,000 | $8.49 | 160,498,943 |
| 2017-01-24 | Open-market buy | 504 | $8.44 | 160,491,447 |
| 2017-01-24 | Open-market buy | 366 | $8.45 | 160,492,245 |
| 2017-01-24 | Open-market buy | 432 | $8.45 | 160,491,879 |
| 2017-01-23 | Open-market buy | 4,500 | $8.49 | 160,486,643 |
| 2017-01-23 | Open-market buy | 500 | $8.38 | 160,477,443 |
| 2017-01-23 | Open-market buy | 1,500 | $8.58 | 160,488,943 |
| 2017-01-23 | Open-market buy | 300 | $8.58 | 160,487,443 |
| 2017-01-23 | Open-market buy | 500 | $8.51 | 160,487,143 |
| 2017-01-23 | Open-market buy | 1,000 | $8.42 | 160,478,443 |
| 2017-01-23 | Open-market buy | 200 | $8.49 | 160,482,143 |
| 2017-01-23 | Open-market buy | 2,800 | $8.45 | 160,481,943 |
| 2017-01-23 | Open-market buy | 200 | $8.45 | 160,479,143 |
| 2017-01-23 | Open-market buy | 500 | $8.44 | 160,478,943 |
| 2017-01-20 | Open-market buy | 4,900 | $8.66 | 160,473,343 |
| 2017-01-20 | Open-market buy | 100 | $8.66 | 160,468,443 |
| 2017-01-20 | Open-market buy | 200 | $8.79 | 160,473,543 |
| 2017-01-20 | Open-market buy | 3,400 | $8.80 | 160,476,943 |
| 2017-01-19 | Open-market buy | 100 | $8.78 | 160,461,943 |
| 2017-01-19 | Open-market buy | 1,669 | $8.88 | 160,468,243 |
| 2017-01-19 | Open-market buy | 3,231 | $8.87 | 160,466,574 |
| 2017-01-19 | Open-market buy | 1,400 | $8.78 | 160,463,343 |
| 2017-01-19 | Open-market buy | 100 | $8.89 | 160,468,343 |
| 2017-01-19 | Open-market buy | 2,500 | $8.76 | 160,461,843 |
| 2017-01-19 | Open-market buy | 5,000 | $8.74 | 160,459,343 |
| 2017-01-19 | Open-market buy | 6,000 | $8.65 | 160,454,343 |
| 2017-01-18 | Open-market buy | 3,600 | $8.85 | 160,443,243 |
| 2017-01-18 | Open-market buy | 1,013 | $8.89 | 160,446,843 |
| 2017-01-18 | Open-market buy | 787 | $8.88 | 160,445,830 |
| 2017-01-18 | Open-market buy | 1,800 | $8.86 | 160,445,043 |
| 2017-01-18 | Open-market buy | 1,500 | $8.92 | 160,448,343 |
| 2017-01-18 | Open-market buy | 1,494 | $8.84 | 160,439,643 |
| 2017-01-18 | Open-market buy | 253 | $8.84 | 160,438,149 |
| 2017-01-18 | Open-market buy | 253 | $8.84 | 160,437,896 |
| 2017-01-13 | Open-market buy | 2,500 | $9.13 | 160,425,143 |
| 2017-01-13 | Open-market buy | 2,500 | $9.14 | 160,427,643 |
| 2017-01-13 | Open-market buy | 5,000 | $9.16 | 160,437,643 |
| 2017-01-13 | Open-market buy | 5,000 | $9.15 | 160,432,643 |
| 2017-01-03 | Open-market buy | 18,900 | $9.04 | 160,422,643 |
| 2017-01-03 | Open-market buy | 1,100 | $9.04 | 160,403,743 |
| 2016-12-30 | Open-market buy | 700 | $9.83 | 160,398,543 |
| 2016-12-30 | Open-market buy | 1,800 | $9.12 | 160,379,443 |
| 2016-12-30 | Open-market buy | 3,200 | $9.12 | 160,382,643 |
| 2016-12-30 | Open-market buy | 4,100 | $9.84 | 160,402,643 |
| 2016-12-30 | Open-market buy | 2,736 | $9.17 | 160,385,379 |
| 2016-12-30 | Open-market buy | 200 | $9.82 | 160,397,843 |
| 2016-12-30 | Open-market buy | 4,300 | $9.64 | 160,397,643 |
| 2016-12-30 | Open-market buy | 700 | $9.63 | 160,393,343 |
| 2016-12-30 | Open-market buy | 4,400 | $9.33 | 160,392,643 |
| 2016-12-30 | Open-market buy | 600 | $9.33 | 160,388,243 |
| 2016-12-30 | Open-market buy | 2,264 | $9.19 | 160,387,643 |
| 2016-12-02 | Open-market buy | 100 | $10.49 | 160,377,043 |
| 2016-12-02 | Open-market buy | 200 | $10.46 | 160,376,843 |
| 2016-12-02 | Open-market buy | 100 | $10.47 | 160,376,943 |
| 2016-12-02 | Open-market buy | 600 | $10.50 | 160,377,643 |
| 2016-12-01 | Open-market buy | 100 | $10.24 | 160,372,943 |
| 2016-12-01 | Open-market buy | 1,900 | $10.24 | 160,374,843 |
| 2016-12-01 | Open-market buy | 500 | $10.31 | 160,375,343 |
| 2016-12-01 | Open-market buy | 1,300 | $10.31 | 160,376,643 |
| 2016-11-30 | Open-market buy | 1,800 | $10.40 | 160,372,843 |
| 2016-11-28 | Open-market buy | 1,229 | $10.66 | 160,370,472 |
| 2016-11-28 | Open-market buy | 571 | $10.67 | 160,371,043 |
| 2016-11-28 | Open-market buy | 1,700 | $10.61 | 160,369,243 |
| 2016-11-28 | Open-market buy | 100 | $10.61 | 160,367,543 |
| 2016-11-28 | Open-market buy | 100 | $10.57 | 160,367,443 |
| 2016-11-28 | Open-market buy | 1,700 | $10.56 | 160,367,343 |
| 2016-11-28 | Open-market buy | 200 | $10.56 | 160,365,643 |
| 2016-11-23 | Open-market buy | 4,300 | $10.09 | 160,365,443 |
| 2016-11-22 | Open-market buy | 1,800 | $10.37 | 160,361,143 |
| 2016-11-22 | Open-market buy | 1,400 | $10.28 | 160,358,943 |
| 2016-11-22 | Open-market buy | 200 | $10.31 | 160,359,143 |
| 2016-11-22 | Open-market buy | 200 | $10.31 | 160,359,343 |
| 2016-11-22 | Open-market buy | 1,800 | $10.19 | 160,357,543 |
| 2016-11-21 | Open-market buy | 1,600 | $10.41 | 160,353,743 |
| 2016-11-21 | Open-market buy | 2,000 | $10.41 | 160,355,743 |
| 2016-11-18 | Open-market buy | 400 | $10.40 | 160,352,143 |
| 2016-11-18 | Open-market buy | 1,400 | $10.38 | 160,351,743 |
| 2016-11-16 | Open-market buy | 1,000 | $10.24 | 160,350,343 |
| 2016-11-16 | Open-market buy | 1,151 | $10.09 | 160,347,194 |
| 2016-11-16 | Open-market buy | 1,535 | $10.10 | 160,348,729 |
| 2016-11-16 | Open-market buy | 614 | $10.11 | 160,349,343 |
| 2016-11-11 | Open-market buy | 1,800 | $9.24 | 160,346,043 |
| 2016-11-10 | Open-market buy | 100 | $9.48 | 160,335,143 |
| 2016-11-10 | Open-market buy | 1,300 | $9.45 | 160,335,043 |
| 2016-11-10 | Open-market buy | 500 | $9.45 | 160,333,743 |
| 2016-11-10 | Open-market buy | 1,800 | $9.43 | 160,333,243 |
| 2016-11-10 | Open-market buy | 1,600 | $9.48 | 160,336,743 |
| 2016-11-10 | Open-market buy | 3,800 | $9.49 | 160,340,543 |
| 2016-11-10 | Open-market buy | 100 | $9.50 | 160,340,643 |
| 2016-11-10 | Open-market buy | 900 | $9.51 | 160,341,543 |
| 2016-11-10 | Open-market buy | 896 | $9.60 | 160,343,339 |
| 2016-11-10 | Open-market buy | 900 | $9.51 | 160,342,443 |
| 2016-11-10 | Open-market buy | 904 | $9.61 | 160,344,243 |
| 2016-11-09 | Open-market buy | 1,800 | $9.41 | 160,329,643 |
| 2016-11-09 | Open-market buy | 1,800 | $9.42 | 160,331,443 |
| 2016-11-09 | Open-market buy | 1,800 | $9.16 | 160,327,843 |
| 2016-11-08 | Open-market buy | 200 | $9.37 | 160,322,443 |
| 2016-11-08 | Open-market buy | 4,900 | $9.00 | 160,307,843 |
| 2016-11-08 | Open-market buy | 875 | $9.65 | 160,326,043 |
| 2016-11-08 | Open-market buy | 925 | $9.64 | 160,325,168 |
| 2016-11-08 | Open-market buy | 700 | $9.56 | 160,324,243 |
| 2016-11-08 | Open-market buy | 1,100 | $9.55 | 160,323,543 |
| 2016-11-08 | Open-market buy | 100 | $9.04 | 160,307,943 |
| 2016-11-08 | Open-market buy | 4,800 | $9.29 | 160,322,243 |
| 2016-11-08 | Open-market buy | 1,168 | $9.22 | 160,317,443 |
| 2016-11-08 | Open-market buy | 1,332 | $9.21 | 160,316,275 |
| 2016-11-08 | Open-market buy | 2,000 | $9.17 | 160,314,943 |
| 2016-11-08 | Open-market buy | 5,000 | $9.13 | 160,312,943 |
| 2016-11-02 | Open-market buy | 2,000 | $9.46 | 160,297,943 |
| 2016-11-02 | Open-market buy | 2,000 | $9.45 | 160,295,943 |
| 2016-11-02 | Open-market buy | 1,000 | $9.44 | 160,293,943 |
| 2016-11-02 | Open-market buy | 1,000 | $9.48 | 160,298,943 |
| 2016-11-02 | Open-market buy | 1,000 | $9.51 | 160,300,943 |
| 2016-11-02 | Open-market buy | 1,000 | $9.52 | 160,301,943 |
| 2016-11-02 | Open-market buy | 1,000 | $9.59 | 160,302,943 |
| 2016-11-02 | Open-market buy | 1,000 | $9.49 | 160,299,943 |
| 2016-11-01 | Open-market buy | 400 | $9.44 | 160,285,343 |
| 2016-11-01 | Open-market buy | 1,500 | $9.49 | 160,288,443 |
| 2016-11-01 | Open-market buy | 1,600 | $9.44 | 160,286,943 |
| 2016-11-01 | Open-market buy | 4,500 | $9.55 | 160,292,943 |
| 2016-11-01 | Open-market buy | 1,000 | $9.43 | 160,284,943 |
| 2016-11-01 | Open-market buy | 1,000 | $9.36 | 160,283,943 |
| 2016-10-31 | Open-market buy | 200 | $9.42 | 160,273,343 |
| 2016-10-31 | Open-market buy | 1,000 | $9.43 | 160,277,143 |
| 2016-10-31 | Open-market buy | 2,800 | $9.42 | 160,276,143 |
| 2016-10-31 | Open-market buy | 5,800 | $9.45 | 160,282,943 |
| 2016-10-31 | Open-market buy | 1,000 | $9.40 | 160,273,143 |
| 2016-10-31 | Open-market buy | 1,000 | $9.38 | 160,272,143 |
| 2016-10-28 | Open-market buy | 2,200 | $9.48 | 160,269,143 |
| 2016-10-28 | Open-market buy | 500 | $9.50 | 160,269,643 |
| 2016-10-28 | Open-market buy | 1,500 | $9.52 | 160,271,143 |
| 2016-10-28 | Open-market buy | 800 | $9.48 | 160,266,943 |
| 2016-10-28 | Open-market buy | 5,000 | $9.42 | 160,266,143 |
| 2016-10-27 | Open-market buy | 5,000 | $9.42 | 160,261,143 |
| 2016-10-27 | Open-market buy | 300 | $9.18 | 160,251,443 |
| 2016-10-27 | Open-market buy | 400 | $9.19 | 160,251,843 |
| 2016-10-27 | Open-market buy | 1,300 | $9.19 | 160,253,143 |
| 2016-10-27 | Open-market buy | 500 | $9.20 | 160,253,643 |
| 2016-10-27 | Open-market buy | 1,400 | $9.40 | 160,255,043 |
| 2016-10-27 | Open-market buy | 1,100 | $9.40 | 160,256,143 |
| 2016-10-26 | Open-market buy | 1,800 | $9.27 | 160,249,343 |
| 2016-10-26 | Open-market buy | 1,800 | $9.32 | 160,251,143 |
| 2016-10-26 | Open-market buy | 500 | $9.24 | 160,246,043 |
| 2016-10-26 | Open-market buy | 1,500 | $9.24 | 160,247,543 |
| 2016-10-25 | Open-market buy | 1,800 | $9.39 | 160,245,543 |
| 2016-10-25 | Open-market buy | 1,800 | $9.36 | 160,243,743 |
| 2016-10-24 | Open-market buy | 1,200 | $9.50 | 160,241,643 |
| 2016-10-24 | Open-market buy | 300 | $9.50 | 160,241,943 |
| 2016-10-24 | Open-market buy | 300 | $9.49 | 160,240,443 |
| 2016-10-21 | Open-market buy | 1,800 | $9.38 | 160,240,143 |
| 2016-10-20 | Open-market buy | 1,500 | $9.21 | 160,237,443 |
| 2016-10-20 | Open-market buy | 300 | $9.34 | 160,237,743 |
| 2016-10-20 | Open-market buy | 600 | $9.35 | 160,238,343 |
| 2016-10-20 | Open-market buy | 300 | $9.21 | 160,235,943 |
| 2016-10-19 | Open-market buy | 29 | $9.50 | 160,235,643 |
| 2016-10-19 | Open-market buy | 1,771 | $9.40 | 160,235,614 |
| 2016-10-19 | Open-market buy | 3,100 | $9.29 | 160,233,843 |
| 2016-10-19 | Open-market buy | 300 | $9.29 | 160,230,743 |
| 2016-10-19 | Open-market buy | 1,000 | $9.28 | 160,230,443 |
| 2016-10-19 | Open-market buy | 400 | $9.28 | 160,229,443 |
| 2016-10-19 | Open-market buy | 1,800 | $9.25 | 160,229,043 |
| 2016-10-19 | Open-market buy | 1,500 | $9.24 | 160,227,243 |
| 2016-10-19 | Open-market buy | 1,800 | $9.23 | 160,225,743 |
| 2016-10-19 | Open-market buy | 1,500 | $9.18 | 160,223,943 |
| 2016-10-19 | Open-market buy | 1,500 | $9.16 | 160,222,443 |
| 2016-10-18 | Open-market buy | 1,800 | $9.29 | 160,220,943 |
| 2016-10-17 | Open-market buy | 1,700 | $9.37 | 160,219,143 |
| 2016-10-17 | Open-market buy | 100 | $9.37 | 160,217,443 |
| 2016-10-17 | Open-market buy | 1,800 | $9.32 | 160,217,343 |
| 2016-10-14 | Open-market buy | 1,800 | $9.48 | 160,215,543 |
| 2016-10-13 | Open-market buy | 300 | $9.51 | 160,210,443 |
| 2016-10-13 | Open-market buy | 1,500 | $9.51 | 160,211,943 |
| 2016-10-13 | Open-market buy | 1,800 | $9.59 | 160,213,743 |
| 2016-10-13 | Open-market buy | 700 | $9.48 | 160,210,143 |
| 2016-10-13 | Open-market buy | 1,100 | $9.47 | 160,209,443 |
| 2016-10-11 | Open-market buy | 1,800 | $9.73 | 160,204,743 |
| 2016-10-11 | Open-market buy | 1,800 | $9.79 | 160,206,543 |
| 2016-10-11 | Open-market buy | 1,800 | $9.95 | 160,208,343 |
| 2016-10-11 | Open-market buy | 1,300 | $9.66 | 160,202,943 |
| 2016-10-11 | Open-market buy | 500 | $9.66 | 160,201,643 |
| 2016-10-10 | Open-market buy | 1,800 | $10.00 | 160,201,143 |
| 2016-10-10 | Open-market buy | 1,800 | $9.93 | 160,199,343 |
| 2016-10-10 | Open-market buy | 125 | $9.80 | 160,194,068 |
| 2016-10-10 | Open-market buy | 1,254 | $9.81 | 160,195,322 |
| 2016-10-10 | Open-market buy | 421 | $9.83 | 160,195,743 |
| 2016-10-10 | Open-market buy | 500 | $9.88 | 160,196,243 |
| 2016-10-10 | Open-market buy | 500 | $9.88 | 160,196,743 |
| 2016-10-10 | Open-market buy | 800 | $9.88 | 160,197,543 |
| 2016-10-07 | Open-market buy | 2,700 | $9.80 | 160,185,343 |
| 2016-10-07 | Open-market buy | 4,400 | $9.83 | 160,189,743 |
| 2016-10-07 | Open-market buy | 600 | $9.85 | 160,190,343 |
| 2016-10-07 | Open-market buy | 900 | $9.78 | 160,182,643 |
| 2016-10-07 | Open-market buy | 255 | $9.77 | 160,181,743 |
| 2016-10-07 | Open-market buy | 800 | $9.63 | 160,177,143 |
| 2016-10-07 | Open-market buy | 1,000 | $9.64 | 160,178,143 |
| 2016-10-07 | Open-market buy | 3,600 | $9.86 | 160,193,943 |
| 2016-10-07 | Open-market buy | 1,345 | $9.75 | 160,181,488 |
| 2016-10-07 | Open-market buy | 200 | $9.74 | 160,180,143 |
| 2016-10-07 | Open-market buy | 1,800 | $9.70 | 160,179,943 |
| 2016-10-06 | Open-market buy | 225 | $10.57 | 160,174,768 |
| 2016-10-06 | Open-market buy | 2,400 | $10.50 | 160,174,543 |
| 2016-10-06 | Open-market buy | 1,575 | $10.58 | 160,176,343 |
| 2016-10-04 | Open-market buy | 1,000 | $10.61 | 160,171,343 |
| 2016-10-04 | Open-market buy | 500 | $10.62 | 160,172,143 |
| 2016-10-04 | Open-market buy | 500 | $10.53 | 160,169,043 |
| 2016-10-04 | Open-market buy | 300 | $10.62 | 160,171,643 |
| 2016-10-04 | Open-market buy | 1,300 | $10.53 | 160,170,343 |
| 2016-09-30 | Open-market buy | 1,700 | $10.54 | 160,168,543 |
| 2016-09-30 | Open-market buy | 100 | $10.54 | 160,166,843 |
| 2016-09-29 | Open-market buy | 1,800 | $10.50 | 160,164,943 |
| 2016-09-29 | Open-market buy | 1,493 | $10.84 | 160,166,436 |
| 2016-09-29 | Open-market buy | 307 | $10.86 | 160,166,743 |
| 2016-09-28 | Open-market buy | 1,800 | $10.97 | 160,161,343 |
| 2016-09-28 | Open-market buy | 600 | $10.93 | 160,159,543 |
| 2016-09-28 | Open-market buy | 1,200 | $10.92 | 160,158,943 |
| 2016-09-28 | Open-market buy | 1,400 | $11.14 | 160,163,143 |
| 2016-09-28 | Open-market buy | 400 | $11.11 | 160,161,743 |
| 2016-09-27 | Open-market buy | 1,600 | $11.16 | 160,157,743 |
| 2016-09-27 | Open-market buy | 200 | $11.15 | 160,156,143 |
| 2016-09-26 | Open-market buy | 1,000 | $11.04 | 160,155,143 |
| 2016-09-26 | Open-market buy | 800 | $11.05 | 160,155,943 |
| 2016-09-23 | Open-market buy | 1,400 | $10.95 | 160,154,043 |
| 2016-09-23 | Open-market buy | 100 | $10.96 | 160,154,143 |
| 2016-09-23 | Open-market buy | 300 | $10.95 | 160,152,643 |
| 2016-09-22 | Open-market buy | 252 | $10.62 | 160,150,795 |
| 2016-09-22 | Open-market buy | 1,548 | $10.63 | 160,152,343 |
| 2016-09-21 | Open-market buy | 1,800 | $10.46 | 160,150,543 |
| 2016-09-20 | Open-market buy | 1,800 | $10.36 | 160,148,743 |
| 2016-09-19 | Open-market buy | 1,800 | $10.18 | 160,146,943 |
| 2016-09-13 | Open-market buy | 500 | $9.95 | 160,139,143 |
| 2016-09-13 | Open-market buy | 1,000 | $10.06 | 160,145,143 |
| 2016-09-13 | Open-market buy | 1,000 | $10.05 | 160,144,143 |
| 2016-09-13 | Open-market buy | 2,000 | $10.04 | 160,143,143 |
| 2016-09-13 | Open-market buy | 500 | $10.02 | 160,141,143 |
| 2016-09-13 | Open-market buy | 1,000 | $10.00 | 160,140,643 |
| 2016-09-13 | Open-market buy | 500 | $9.97 | 160,139,643 |
| 2016-09-13 | Open-market buy | 500 | $9.93 | 160,138,643 |
| 2016-09-13 | Open-market buy | 500 | $9.83 | 160,138,143 |
| 2016-09-13 | Open-market buy | 500 | $9.82 | 160,137,643 |
| 2016-09-13 | Open-market buy | 1,000 | $9.80 | 160,137,143 |
| 2016-09-13 | Open-market buy | 1,000 | $9.78 | 160,136,143 |
| 2016-09-12 | Open-market buy | 1,500 | $9.76 | 160,129,443 |
| 2016-09-12 | Open-market buy | 1,000 | $9.86 | 160,131,143 |
| 2016-09-12 | Open-market buy | 600 | $9.80 | 160,130,143 |
| 2016-09-12 | Open-market buy | 100 | $9.80 | 160,129,543 |
| 2016-09-12 | Open-market buy | 4,000 | $9.89 | 160,135,143 |
| 2016-09-12 | Open-market buy | 500 | $9.76 | 160,127,943 |
| 2016-09-12 | Open-market buy | 500 | $9.66 | 160,127,443 |
| 2016-09-12 | Open-market buy | 1,800 | $9.58 | 160,126,943 |
| 2016-09-09 | Open-market buy | 500 | $10.00 | 160,125,143 |
| 2016-09-09 | Open-market buy | 1,800 | $9.75 | 160,123,343 |
| 2016-09-09 | Open-market buy | 100 | $9.97 | 160,123,443 |
| 2016-09-09 | Open-market buy | 1,200 | $9.99 | 160,124,643 |
| 2016-09-02 | Open-market buy | 1,000 | $9.26 | 160,115,543 |
| 2016-09-02 | Open-market buy | 1,000 | $9.33 | 160,118,543 |
| 2016-09-02 | Open-market buy | 1,000 | $9.31 | 160,117,543 |
| 2016-09-02 | Open-market buy | 1,000 | $9.28 | 160,116,543 |
| 2016-09-02 | Open-market buy | 3,000 | $9.34 | 160,121,543 |
| 2016-09-02 | Open-market buy | 1,000 | $9.22 | 160,114,543 |
| 2016-09-02 | Open-market buy | 1,000 | $9.20 | 160,113,543 |
| 2016-09-02 | Open-market buy | 1,000 | $9.18 | 160,112,543 |
| 2016-08-25 | Open-market buy | 400 | $9.17 | 160,108,343 |
| 2016-08-25 | Open-market buy | 1,300 | $9.14 | 160,107,943 |
| 2016-08-25 | Open-market buy | 8,100 | $9.04 | 160,089,643 |
| 2016-08-25 | Open-market buy | 800 | $9.04 | 160,081,543 |
| 2016-08-25 | Open-market buy | 5,700 | $9.03 | 160,080,743 |
| 2016-08-25 | Open-market buy | 1,600 | $9.03 | 160,075,043 |
| 2016-08-25 | Open-market buy | 2,800 | $9.02 | 160,073,443 |
| 2016-08-25 | Open-market buy | 1,300 | $9.01 | 160,070,643 |
| 2016-08-25 | Open-market buy | 200 | $9.01 | 160,069,343 |
| 2016-08-25 | Open-market buy | 1,000 | $9.00 | 160,069,143 |
| 2016-08-25 | Open-market buy | 4,800 | $8.94 | 160,068,143 |
| 2016-08-25 | Open-market buy | 200 | $8.94 | 160,063,343 |
| 2016-08-25 | Open-market buy | 3,000 | $9.11 | 160,104,443 |
| 2016-08-25 | Open-market buy | 500 | $9.10 | 160,101,443 |
| 2016-08-25 | Open-market buy | 4,564 | $9.09 | 160,100,943 |
| 2016-08-25 | Open-market buy | 436 | $9.09 | 160,096,379 |
| 2016-08-25 | Open-market buy | 2,300 | $9.07 | 160,095,943 |
| 2016-08-25 | Open-market buy | 500 | $9.07 | 160,093,643 |
| 2016-08-25 | Open-market buy | 1,200 | $9.06 | 160,093,143 |
| 2016-08-25 | Open-market buy | 2,300 | $9.05 | 160,091,943 |
| 2016-08-25 | Open-market buy | 600 | $9.14 | 160,106,643 |
| 2016-08-25 | Open-market buy | 1,600 | $9.13 | 160,106,043 |
| 2016-08-25 | Open-market buy | 1,700 | $9.21 | 160,111,543 |
| 2016-08-25 | Open-market buy | 100 | $9.21 | 160,109,843 |
| 2016-08-25 | Open-market buy | 1,400 | $9.17 | 160,109,743 |
| 2016-08-24 | Open-market buy | 2,500 | $9.23 | 160,058,643 |
| 2016-08-24 | Open-market buy | 300 | $9.35 | 160,061,443 |
| 2016-08-24 | Open-market buy | 1,000 | $9.33 | 160,061,143 |
| 2016-08-24 | Open-market buy | 1,000 | $9.31 | 160,060,143 |
| 2016-08-24 | Open-market buy | 100 | $9.27 | 160,059,143 |
| 2016-08-24 | Open-market buy | 400 | $9.27 | 160,059,043 |
| 2016-08-24 | Open-market buy | 1,700 | $9.35 | 160,063,143 |
| 2016-08-24 | Open-market buy | 1,000 | $9.23 | 160,056,143 |
| 2016-08-24 | Open-market buy | 1,500 | $9.22 | 160,055,143 |
| 2016-08-24 | Open-market buy | 4,800 | $9.18 | 160,053,643 |
| 2016-08-24 | Open-market buy | 200 | $9.18 | 160,048,843 |
| 2016-08-24 | Open-market buy | 500 | $9.17 | 160,048,643 |
| 2016-08-23 | Open-market buy | 500 | $9.46 | 160,020,143 |
| 2016-08-23 | Open-market buy | 400 | $9.64 | 160,046,643 |
| 2016-08-23 | Open-market buy | 100 | $9.63 | 160,046,243 |
| 2016-08-23 | Open-market buy | 1,000 | $9.60 | 160,046,143 |
| 2016-08-23 | Open-market buy | 1,800 | $9.57 | 160,045,143 |
| 2016-08-23 | Open-market buy | 2,700 | $9.55 | 160,043,343 |
| 2016-08-23 | Open-market buy | 1,200 | $9.55 | 160,040,643 |
| 2016-08-23 | Open-market buy | 7,400 | $9.54 | 160,039,443 |
| 2016-08-23 | Open-market buy | 100 | $9.54 | 160,032,043 |
| 2016-08-23 | Open-market buy | 1,000 | $9.54 | 160,031,943 |
| 2016-08-23 | Open-market buy | 3,800 | $9.53 | 160,030,943 |
| 2016-08-23 | Open-market buy | 1,000 | $9.53 | 160,027,143 |
| 2016-08-23 | Open-market buy | 1,000 | $9.51 | 160,026,143 |
| 2016-08-23 | Open-market buy | 4,600 | $9.47 | 160,025,143 |
| 2016-08-23 | Open-market buy | 400 | $9.47 | 160,020,543 |
| 2016-08-23 | Open-market buy | 1,500 | $9.64 | 160,048,143 |
| 2016-08-23 | Open-market buy | 500 | $9.42 | 160,019,643 |
| 2016-08-22 | Open-market buy | 3,000 | $9.75 | 160,013,143 |
| 2016-08-22 | Open-market buy | 2,960 | $9.79 | 160,017,143 |
| 2016-08-22 | Open-market buy | 1,040 | $9.78 | 160,014,183 |
| 2016-08-22 | Open-market buy | 2,000 | $9.80 | 160,019,143 |
| 2016-08-22 | Open-market buy | 2,500 | $9.72 | 160,010,143 |
| 2016-08-22 | Open-market buy | 300 | $9.72 | 160,007,643 |
| 2016-08-19 | Open-market buy | 900 | $9.81 | 159,994,743 |
| 2016-08-19 | Open-market buy | 1,000 | $9.77 | 159,993,343 |
| 2016-08-19 | Open-market buy | 1,500 | $9.84 | 160,006,343 |
| 2016-08-19 | Open-market buy | 4,000 | $9.82 | 160,004,843 |
| 2016-08-19 | Open-market buy | 6,100 | $9.81 | 160,000,843 |
| 2016-08-19 | Open-market buy | 1,000 | $9.86 | 160,007,343 |
| 2016-08-19 | Open-market buy | 500 | $9.80 | 159,993,843 |
| 2016-08-18 | Open-market buy | 1,300 | $9.88 | 159,988,143 |
| 2016-08-18 | Open-market buy | 500 | $9.82 | 159,982,843 |
| 2016-08-18 | Open-market buy | 600 | $9.84 | 159,983,443 |
| 2016-08-18 | Open-market buy | 900 | $9.85 | 159,984,343 |
| 2016-08-18 | Open-market buy | 500 | $9.93 | 159,992,343 |
| 2016-08-18 | Open-market buy | 1,800 | $9.89 | 159,991,843 |
| 2016-08-18 | Open-market buy | 200 | $9.89 | 159,990,043 |
| 2016-08-18 | Open-market buy | 1,700 | $9.88 | 159,989,843 |
| 2016-08-18 | Open-market buy | 600 | $9.87 | 159,986,843 |
| 2016-08-18 | Open-market buy | 900 | $9.87 | 159,986,243 |
| 2016-08-18 | Open-market buy | 1,000 | $9.86 | 159,985,343 |
| 2016-08-17 | Open-market buy | 1,500 | $9.84 | 159,973,843 |
| 2016-08-17 | Open-market buy | 3,000 | $9.89 | 159,978,949 |
| 2016-08-17 | Open-market buy | 894 | $9.89 | 159,979,843 |
| 2016-08-17 | Open-market buy | 500 | $9.90 | 159,980,343 |
| 2016-08-17 | Open-market buy | 606 | $9.88 | 159,975,949 |
| 2016-08-17 | Open-market buy | 500 | $9.87 | 159,975,343 |
| 2016-08-17 | Open-market buy | 500 | $9.86 | 159,974,843 |
| 2016-08-17 | Open-market buy | 500 | $9.85 | 159,974,343 |
| 2016-08-17 | Open-market buy | 1,000 | $10.03 | 159,982,343 |
| 2016-08-17 | Open-market buy | 800 | $9.94 | 159,981,343 |
| 2016-08-17 | Open-market buy | 200 | $9.94 | 159,980,543 |
| 2016-08-16 | Open-market buy | 1,500 | $10.02 | 159,968,843 |
| 2016-08-16 | Open-market buy | 480 | $10.03 | 159,969,323 |
| 2016-08-16 | Open-market buy | 5,000 | $10.01 | 159,967,343 |
| 2016-08-16 | Open-market buy | 3,020 | $10.03 | 159,972,343 |
| 2016-08-15 | Open-market buy | 5,727 | $10.08 | 159,962,343 |
| 2016-08-15 | Open-market buy | 273 | $10.08 | 159,956,616 |
| 2016-08-15 | Open-market buy | 1,800 | $10.06 | 159,956,343 |
| 2016-08-15 | Open-market buy | 1,200 | $10.04 | 159,954,543 |
| 2016-08-15 | Open-market buy | 1,000 | $10.03 | 159,953,343 |
| 2016-08-10 | Open-market buy | 1,800 | $10.05 | 159,952,343 |
| 2016-08-10 | Open-market buy | 1,400 | $9.92 | 159,943,743 |
| 2016-08-10 | Open-market buy | 500 | $9.95 | 159,944,243 |
| 2016-08-10 | Open-market buy | 300 | $10.02 | 159,950,543 |
| 2016-08-10 | Open-market buy | 1,000 | $10.00 | 159,950,243 |
| 2016-08-10 | Open-market buy | 393 | $9.97 | 159,949,243 |
| 2016-08-10 | Open-market buy | 4,607 | $9.96 | 159,948,850 |
| 2016-08-09 | Open-market buy | 6,010 | $10.21 | 159,938,353 |
| 2016-08-09 | Open-market buy | 3,990 | $10.22 | 159,942,343 |
| 2016-08-02 | Open-market buy | 1,700 | $9.89 | 159,927,043 |
| 2016-08-02 | Open-market buy | 1,000 | $9.90 | 159,930,343 |
| 2016-08-02 | Open-market buy | 2,300 | $9.89 | 159,929,343 |
| 2016-08-02 | Open-market buy | 2,000 | $9.92 | 159,932,343 |
| 2016-08-02 | Open-market buy | 1,000 | $9.87 | 159,925,343 |
| 2016-08-02 | Open-market buy | 2,000 | $9.82 | 159,924,343 |
| 2016-07-27 | Open-market buy | 4,600 | $9.88 | 159,917,343 |
| 2016-07-27 | Open-market buy | 1,000 | $9.92 | 159,918,343 |
| 2016-07-27 | Open-market buy | 1,000 | $9.95 | 159,919,343 |
| 2016-07-27 | Open-market buy | 400 | $9.86 | 159,912,743 |
| 2016-07-27 | Open-market buy | 3,000 | $9.96 | 159,922,343 |
| 2016-07-13 | Open-market buy | 100 | $9.63 | 159,899,843 |
| 2016-07-13 | Open-market buy | 1,000 | $9.66 | 159,907,543 |
| 2016-07-13 | Open-market buy | 1,000 | $9.65 | 159,906,543 |
| 2016-07-13 | Open-market buy | 2,000 | $9.64 | 159,905,543 |
| 2016-07-13 | Open-market buy | 3,700 | $9.63 | 159,903,543 |
| 2016-07-13 | Open-market buy | 2,800 | $9.67 | 159,910,343 |
| 2016-07-13 | Open-market buy | 3,200 | $9.62 | 159,899,743 |
| 2016-07-13 | Open-market buy | 800 | $9.71 | 159,912,343 |
| 2016-07-13 | Open-market buy | 200 | $9.71 | 159,911,543 |
| 2016-07-13 | Open-market buy | 1,000 | $9.70 | 159,911,343 |
| 2016-07-11 | Open-market buy | 2,000 | $9.82 | 159,893,543 |
| 2016-07-11 | Open-market buy | 1,130 | $9.80 | 159,887,673 |
| 2016-07-11 | Open-market buy | 1,250 | $9.81 | 159,888,923 |
| 2016-07-11 | Open-market buy | 2,000 | $9.84 | 159,896,543 |
| 2016-07-11 | Open-market buy | 1,000 | $9.83 | 159,894,543 |
| 2016-07-11 | Open-market buy | 2,620 | $9.81 | 159,891,543 |
| 2016-06-30 | Open-market buy | 358 | $9.16 | 159,871,025 |
| 2016-06-30 | Open-market buy | 4,318 | $9.17 | 159,875,343 |
| 2016-06-30 | Open-market buy | 1,000 | $9.22 | 159,876,343 |
| 2016-06-30 | Open-market buy | 1,800 | $9.09 | 159,870,667 |
| 2016-06-30 | Open-market buy | 324 | $9.07 | 159,868,867 |
| 2016-06-30 | Open-market buy | 2,000 | $9.37 | 159,884,543 |
| 2016-06-30 | Open-market buy | 1,000 | $9.39 | 159,885,543 |
| 2016-06-30 | Open-market buy | 6,200 | $9.34 | 159,882,543 |
| 2016-06-30 | Open-market buy | 1,000 | $9.41 | 159,886,543 |
| 2016-06-29 | Open-market buy | 1,800 | $9.23 | 159,862,543 |
| 2016-06-29 | Open-market buy | 1,000 | $9.17 | 159,856,743 |
| 2016-06-29 | Open-market buy | 3,000 | $9.19 | 159,859,743 |
| 2016-06-29 | Open-market buy | 2,000 | $9.30 | 159,867,343 |
| 2016-06-29 | Open-market buy | 1,000 | $9.29 | 159,865,343 |
| 2016-06-29 | Open-market buy | 1,700 | $9.26 | 159,864,343 |
| 2016-06-29 | Open-market buy | 100 | $9.26 | 159,862,643 |
| 2016-06-29 | Open-market buy | 1,200 | $9.31 | 159,868,543 |
| 2016-06-29 | Open-market buy | 1,000 | $9.22 | 159,860,743 |
| 2016-06-27 | Open-market buy | 200 | $9.05 | 159,854,143 |
| 2016-06-27 | Open-market buy | 100 | $8.97 | 159,852,443 |
| 2016-06-27 | Open-market buy | 900 | $8.96 | 159,852,343 |
| 2016-06-27 | Open-market buy | 500 | $8.94 | 159,851,443 |
| 2016-06-27 | Open-market buy | 500 | $8.92 | 159,850,943 |
| 2016-06-27 | Open-market buy | 2,700 | $8.89 | 159,850,443 |
| 2016-06-27 | Open-market buy | 100 | $8.89 | 159,847,743 |
| 2016-06-27 | Open-market buy | 3,200 | $8.86 | 159,847,643 |
| 2016-06-27 | Open-market buy | 400 | $8.86 | 159,844,443 |
| 2016-06-27 | Open-market buy | 500 | $8.85 | 159,844,043 |
| 2016-06-27 | Open-market buy | 500 | $8.84 | 159,843,543 |
| 2016-06-27 | Open-market buy | 4,700 | $8.83 | 159,843,043 |
| 2016-06-27 | Open-market buy | 1,800 | $8.80 | 159,838,343 |
| 2016-06-27 | Open-market buy | 1,800 | $8.74 | 159,836,543 |
| 2016-06-27 | Open-market buy | 1,500 | $9.00 | 159,853,943 |
| 2016-06-27 | Open-market buy | 1,600 | $9.05 | 159,855,743 |
| 2016-06-24 | Open-market buy | 1,300 | $9.34 | 159,818,243 |
| 2016-06-24 | Open-market buy | 500 | $9.50 | 159,834,243 |
| 2016-06-24 | Open-market buy | 100 | $9.49 | 159,833,743 |
| 2016-06-24 | Open-market buy | 200 | $9.48 | 159,833,643 |
| 2016-06-24 | Open-market buy | 1,600 | $9.46 | 159,833,443 |
| 2016-06-24 | Open-market buy | 1,500 | $9.45 | 159,831,843 |
| 2016-06-24 | Open-market buy | 1,500 | $9.44 | 159,830,343 |
| 2016-06-24 | Open-market buy | 1,300 | $9.43 | 159,828,843 |
| 2016-06-24 | Open-market buy | 200 | $9.43 | 159,827,543 |
| 2016-06-24 | Open-market buy | 1,500 | $9.41 | 159,827,343 |
| 2016-06-24 | Open-market buy | 555 | $9.40 | 159,825,843 |
| 2016-06-24 | Open-market buy | 2,170 | $9.38 | 159,825,288 |
| 2016-06-24 | Open-market buy | 845 | $9.37 | 159,823,118 |
| 2016-06-24 | Open-market buy | 2,300 | $9.36 | 159,822,273 |
| 2016-06-24 | Open-market buy | 1,730 | $9.35 | 159,819,973 |
| 2016-06-24 | Open-market buy | 500 | $9.53 | 159,834,743 |
| 2016-06-24 | Open-market buy | 200 | $9.10 | 159,816,943 |
| 2016-06-22 | Open-market buy | 275 | $9.66 | 159,815,218 |
| 2016-06-22 | Open-market buy | 800 | $9.61 | 159,814,943 |
| 2016-06-22 | Open-market buy | 200 | $9.61 | 159,814,143 |
| 2016-06-22 | Open-market buy | 3,000 | $9.40 | 159,812,943 |
| 2016-06-22 | Open-market buy | 11,100 | $9.37 | 159,809,943 |
| 2016-06-22 | Open-market buy | 100 | $9.37 | 159,798,843 |
| 2016-06-22 | Open-market buy | 1,525 | $9.68 | 159,816,743 |
| 2016-06-22 | Open-market buy | 1,000 | $9.41 | 159,813,943 |
| 2016-06-20 | Open-market buy | 1,000 | $9.17 | 159,793,743 |
| 2016-06-20 | Open-market buy | 2,800 | $9.20 | 159,796,743 |
| 2016-06-20 | Open-market buy | 200 | $9.19 | 159,793,943 |
| 2016-06-20 | Open-market buy | 2,000 | $9.24 | 159,798,743 |
| 2016-06-20 | Open-market buy | 1,000 | $9.17 | 159,792,743 |
| 2016-06-20 | Open-market buy | 3,000 | $9.16 | 159,791,743 |
| 2016-06-17 | Open-market buy | 1,400 | $9.13 | 159,786,743 |
| 2016-06-17 | Open-market buy | 100 | $9.13 | 159,785,343 |
| 2016-06-17 | Open-market buy | 500 | $9.10 | 159,785,243 |
| 2016-06-17 | Open-market buy | 3,800 | $9.06 | 159,784,743 |
| 2016-06-17 | Open-market buy | 2,000 | $9.19 | 159,788,743 |
| 2016-06-17 | Open-market buy | 2,700 | $9.05 | 159,780,743 |
| 2016-06-17 | Open-market buy | 5,300 | $9.04 | 159,778,043 |
| 2016-06-17 | Open-market buy | 2,000 | $9.01 | 159,772,743 |
| 2016-06-17 | Open-market buy | 200 | $9.06 | 159,780,943 |
| 2016-06-16 | Open-market buy | 3,000 | $9.29 | 159,768,243 |
| 2016-06-16 | Open-market buy | 2,000 | $9.00 | 159,762,743 |
| 2016-06-16 | Open-market buy | 1,000 | $9.30 | 159,769,243 |
| 2016-06-16 | Open-market buy | 1,500 | $9.31 | 159,770,743 |
| 2016-06-16 | Open-market buy | 2,500 | $9.28 | 159,765,243 |
| 2016-06-14 | Open-market buy | 4,600 | $9.02 | 159,754,843 |
| 2016-06-14 | Open-market buy | 1,100 | $9.06 | 159,759,943 |
| 2016-06-14 | Open-market buy | 900 | $9.06 | 159,758,843 |
| 2016-06-14 | Open-market buy | 700 | $9.04 | 159,757,943 |
| 2016-06-14 | Open-market buy | 1,800 | $9.03 | 159,757,243 |
| 2016-06-14 | Open-market buy | 600 | $9.03 | 159,755,443 |
| 2016-06-14 | Open-market buy | 800 | $9.09 | 159,760,743 |
| 2016-06-14 | Open-market buy | 500 | $9.01 | 159,750,243 |
| 2016-06-14 | Open-market buy | 2,500 | $9.00 | 159,749,743 |
| 2016-06-14 | Open-market buy | 1,000 | $8.96 | 159,747,243 |
| 2016-06-14 | Open-market buy | 1,000 | $8.91 | 159,746,243 |
| 2016-06-14 | Open-market buy | 500 | $8.85 | 159,745,243 |
| 2016-06-10 | Open-market buy | 1,800 | $9.42 | 159,744,743 |
| 2016-06-10 | Open-market buy | 1,000 | $9.35 | 159,739,243 |
| 2016-06-10 | Open-market buy | 1,500 | $9.31 | 159,737,243 |
| 2016-06-10 | Open-market buy | 3,000 | $9.37 | 159,742,243 |
| 2016-06-10 | Open-market buy | 500 | $9.33 | 159,738,243 |
| 2016-06-10 | Open-market buy | 500 | $9.32 | 159,737,743 |
| 2016-06-10 | Open-market buy | 200 | $9.42 | 159,742,943 |
| 2016-06-10 | Open-market buy | 500 | $9.40 | 159,742,743 |
| 2016-06-10 | Open-market buy | 1,000 | $9.29 | 159,735,743 |
| 2016-06-09 | Open-market buy | 1,980 | $9.73 | 159,731,723 |
| 2016-06-09 | Open-market buy | 700 | $9.74 | 159,732,423 |
| 2016-06-09 | Open-market buy | 2,320 | $9.74 | 159,734,743 |
| 2016-06-08 | Open-market buy | 4,000 | $9.80 | 159,726,743 |
| 2016-06-08 | Open-market buy | 400 | $9.79 | 159,722,743 |
| 2016-06-08 | Open-market buy | 600 | $9.79 | 159,722,343 |
| 2016-06-08 | Open-market buy | 2,000 | $9.85 | 159,729,743 |
| 2016-06-08 | Open-market buy | 1,500 | $9.77 | 159,721,243 |
| 2016-06-08 | Open-market buy | 700 | $9.76 | 159,719,743 |
| 2016-06-08 | Open-market buy | 500 | $9.76 | 159,719,043 |
| 2016-06-08 | Open-market buy | 1,000 | $9.81 | 159,727,743 |
| 2016-06-08 | Open-market buy | 500 | $9.78 | 159,721,743 |
| 2016-06-07 | Open-market buy | 300 | $9.90 | 159,713,843 |
| 2016-06-07 | Open-market buy | 4,700 | $9.90 | 159,718,543 |
| 2016-06-06 | Open-market buy | 1,000 | $9.89 | 159,699,743 |
| 2016-06-06 | Open-market buy | 2,000 | $9.77 | 159,697,743 |
| 2016-06-06 | Open-market buy | 7,500 | $10.02 | 159,712,043 |
| 2016-06-06 | Open-market buy | 3,000 | $10.01 | 159,704,543 |
| 2016-06-06 | Open-market buy | 1,800 | $9.95 | 159,701,543 |
| 2016-06-06 | Open-market buy | 1,500 | $10.03 | 159,713,543 |
| 2016-06-06 | Open-market buy | 1,000 | $9.82 | 159,698,743 |
| 2016-06-03 | Open-market buy | 800 | $10.01 | 159,681,543 |
| 2016-06-03 | Open-market buy | 3,600 | $10.01 | 159,680,743 |
| 2016-06-03 | Open-market buy | 2,800 | $10.02 | 159,684,343 |
| 2016-06-03 | Open-market buy | 500 | $10.22 | 159,695,743 |
| 2016-06-03 | Open-market buy | 500 | $10.18 | 159,695,243 |
| 2016-06-03 | Open-market buy | 2,500 | $10.15 | 159,694,743 |
| 2016-06-03 | Open-market buy | 100 | $10.15 | 159,692,243 |
| 2016-06-03 | Open-market buy | 1,100 | $10.15 | 159,692,143 |
| 2016-06-03 | Open-market buy | 1,700 | $10.13 | 159,691,043 |
| 2016-06-03 | Open-market buy | 500 | $10.10 | 159,689,343 |
| 2016-06-03 | Open-market buy | 1,000 | $10.09 | 159,688,843 |
| 2016-06-03 | Open-market buy | 1,000 | $10.08 | 159,687,843 |
| 2016-06-03 | Open-market buy | 500 | $10.05 | 159,686,843 |
| 2016-06-03 | Open-market buy | 500 | $10.04 | 159,686,343 |
| 2016-06-03 | Open-market buy | 1,500 | $10.03 | 159,685,843 |
| 2016-06-01 | Open-market buy | 100 | $10.58 | 159,675,443 |
| 2016-06-01 | Open-market buy | 2,100 | $10.56 | 159,675,343 |
| 2016-06-01 | Open-market buy | 500 | $10.56 | 159,673,243 |
| 2016-06-01 | Open-market buy | 1,000 | $10.55 | 159,672,743 |
| 2016-06-01 | Open-market buy | 1,700 | $10.58 | 159,677,143 |
| 2016-06-01 | Open-market buy | 1,700 | $10.43 | 159,671,743 |
| 2016-06-01 | Open-market buy | 100 | $10.43 | 159,670,043 |
| 2016-06-01 | Open-market buy | 1,880 | $10.41 | 159,669,943 |
| 2016-06-01 | Open-market buy | 1,720 | $10.39 | 159,668,063 |
| 2016-05-27 | Open-market buy | 500 | $10.34 | 159,655,143 |
| 2016-05-27 | Open-market buy | 1,000 | $10.33 | 159,654,643 |
| 2016-05-27 | Open-market buy | 2,000 | $10.30 | 159,653,643 |
| 2016-05-27 | Open-market buy | 200 | $10.30 | 159,651,643 |
| 2016-05-27 | Open-market buy | 2,100 | $10.29 | 159,651,443 |
| 2016-05-27 | Open-market buy | 500 | $10.27 | 159,649,343 |
| 2016-05-27 | Open-market buy | 500 | $10.24 | 159,648,843 |
| 2016-05-27 | Open-market buy | 2,000 | $10.37 | 159,657,143 |
| 2016-05-27 | Open-market buy | 712 | $10.22 | 159,647,055 |
| 2016-05-27 | Open-market buy | 4,100 | $10.42 | 159,666,343 |
| 2016-05-27 | Open-market buy | 3,600 | $10.41 | 159,662,243 |
| 2016-05-27 | Open-market buy | 1,500 | $10.40 | 159,658,643 |
| 2016-05-27 | Open-market buy | 1,288 | $10.23 | 159,648,343 |
| 2016-05-26 | Open-market buy | 6,900 | $10.47 | 159,646,343 |
| 2016-05-26 | Open-market buy | 700 | $10.43 | 159,635,043 |
| 2016-05-26 | Open-market buy | 4,300 | $10.43 | 159,639,343 |
| 2016-05-26 | Open-market buy | 100 | $10.47 | 159,639,443 |
| 2016-05-12 | Open-market buy | 1,700 | $9.56 | 159,615,043 |
| 2016-05-12 | Open-market buy | 500 | $9.39 | 159,604,243 |
| 2016-05-12 | Open-market buy | 500 | $9.45 | 159,604,743 |
| 2016-05-12 | Open-market buy | 2,000 | $9.65 | 159,634,343 |
| 2016-05-12 | Open-market buy | 1,000 | $9.60 | 159,632,343 |
| 2016-05-12 | Open-market buy | 4,427 | $9.58 | 159,631,343 |
| 2016-05-12 | Open-market buy | 200 | $9.58 | 159,626,916 |
| 2016-05-12 | Open-market buy | 11,673 | $9.57 | 159,626,716 |
| 2016-05-12 | Open-market buy | 2,000 | $9.55 | 159,613,343 |
| 2016-05-12 | Open-market buy | 5,800 | $9.54 | 159,611,343 |
| 2016-05-12 | Open-market buy | 300 | $9.54 | 159,605,543 |
| 2016-05-12 | Open-market buy | 500 | $9.51 | 159,605,243 |
| 2016-05-11 | Open-market buy | 1,000 | $10.02 | 159,594,043 |
| 2016-05-11 | Open-market buy | 1,500 | $9.95 | 159,585,843 |
| 2016-05-11 | Open-market buy | 1,000 | $9.96 | 159,586,843 |
| 2016-05-11 | Open-market buy | 1,000 | $10.16 | 159,601,743 |
| 2016-05-11 | Open-market buy | 1,000 | $10.13 | 159,600,743 |
| 2016-05-11 | Open-market buy | 1,145 | $10.10 | 159,599,743 |
| 2016-05-11 | Open-market buy | 955 | $10.09 | 159,598,598 |
| 2016-05-11 | Open-market buy | 100 | $10.09 | 159,597,643 |
| 2016-05-11 | Open-market buy | 2,000 | $10.08 | 159,597,543 |
| 2016-05-11 | Open-market buy | 1,000 | $10.05 | 159,595,543 |
| 2016-05-11 | Open-market buy | 500 | $10.03 | 159,594,543 |
| 2016-05-11 | Open-market buy | 1,000 | $10.17 | 159,602,743 |
| 2016-05-11 | Open-market buy | 2,200 | $10.01 | 159,593,043 |
| 2016-05-11 | Open-market buy | 1,000 | $10.18 | 159,603,743 |
| 2016-05-11 | Open-market buy | 2,900 | $10.00 | 159,590,843 |
| 2016-05-11 | Open-market buy | 100 | $10.00 | 159,587,943 |
| 2016-05-11 | Open-market buy | 1,000 | $9.98 | 159,587,843 |
| 2016-05-04 | Open-market buy | 2,400 | $10.01 | 159,579,043 |
| 2016-05-04 | Open-market buy | 1,300 | $10.01 | 159,576,643 |
| 2016-05-04 | Open-market buy | 300 | $10.08 | 159,579,343 |
| 2016-05-04 | Open-market buy | 900 | $10.00 | 159,575,343 |
| 2016-05-04 | Open-market buy | 835 | $9.98 | 159,574,443 |
| 2016-05-04 | Open-market buy | 400 | $10.19 | 159,582,943 |
| 2016-05-04 | Open-market buy | 800 | $10.18 | 159,582,543 |
| 2016-05-04 | Open-market buy | 1,400 | $10.20 | 159,584,343 |
| 2016-05-04 | Open-market buy | 2,765 | $9.97 | 159,573,608 |
| 2016-05-04 | Open-market buy | 100 | $9.94 | 159,570,843 |
| 2016-05-04 | Open-market buy | 500 | $9.87 | 159,570,743 |
| 2016-05-04 | Open-market buy | 3,400 | $9.86 | 159,570,243 |
| 2016-05-04 | Open-market buy | 2,100 | $9.85 | 159,566,843 |
| 2016-05-04 | Open-market buy | 2,000 | $9.81 | 159,564,743 |
| 2016-05-04 | Open-market buy | 1,000 | $9.76 | 159,562,743 |
| 2016-05-04 | Open-market buy | 3,600 | $9.75 | 159,561,743 |
| 2016-05-04 | Open-market buy | 389 | $9.73 | 159,558,143 |
| 2016-05-04 | Open-market buy | 3,211 | $9.72 | 159,557,754 |
| 2016-05-04 | Open-market buy | 300 | $10.15 | 159,581,743 |
| 2016-05-04 | Open-market buy | 300 | $10.13 | 159,581,443 |
| 2016-05-04 | Open-market buy | 1,800 | $10.10 | 159,581,143 |
| 2016-05-03 | Open-market buy | 2,048 | $10.26 | 159,552,743 |
| 2016-05-03 | Open-market buy | 2,252 | $10.25 | 159,550,695 |
| 2016-05-03 | Open-market buy | 1,800 | $10.27 | 159,554,543 |
| 2016-05-03 | Open-market buy | 800 | $10.22 | 159,547,243 |
| 2016-05-03 | Open-market buy | 1,200 | $10.22 | 159,548,443 |
| 2016-05-02 | Open-market buy | 1,000 | $10.20 | 159,537,643 |
| 2016-05-02 | Open-market buy | 3,000 | $10.46 | 159,545,443 |
| 2016-05-02 | Open-market buy | 1,000 | $10.47 | 159,546,443 |
| 2016-05-02 | Open-market buy | 2,000 | $10.18 | 159,536,643 |
| 2016-05-02 | Open-market buy | 1,000 | $10.22 | 159,538,643 |
| 2016-05-02 | Open-market buy | 1,800 | $10.42 | 159,542,443 |
| 2016-05-02 | Open-market buy | 1,000 | $10.31 | 159,540,643 |
| 2016-05-02 | Open-market buy | 1,000 | $10.23 | 159,539,643 |
| 2016-04-29 | Open-market buy | 1,000 | $10.70 | 159,529,643 |
| 2016-04-29 | Open-market buy | 200 | $10.64 | 159,524,843 |
| 2016-04-29 | Open-market buy | 1,800 | $10.64 | 159,526,643 |
| 2016-04-29 | Open-market buy | 1,000 | $10.67 | 159,527,643 |
| 2016-04-29 | Open-market buy | 1,000 | $10.68 | 159,528,643 |
| 2016-04-29 | Open-market buy | 4,000 | $10.75 | 159,534,643 |
| 2016-04-29 | Open-market buy | 1,000 | $10.72 | 159,530,643 |
| 2016-04-28 | Open-market buy | 2,000 | $10.85 | 159,522,643 |
| 2016-04-28 | Open-market buy | 2,000 | $10.80 | 159,516,643 |
| 2016-04-28 | Open-market buy | 2,000 | $10.86 | 159,524,643 |
| 2016-04-28 | Open-market buy | 500 | $10.81 | 159,517,143 |
| 2016-04-28 | Open-market buy | 1,000 | $10.84 | 159,520,643 |
| 2016-04-28 | Open-market buy | 1,000 | $10.83 | 159,519,643 |
| 2016-04-28 | Open-market buy | 1,500 | $10.82 | 159,518,643 |
| 2016-04-27 | Open-market buy | 500 | $10.94 | 159,509,643 |
| 2016-04-27 | Open-market buy | 300 | $11.02 | 159,514,443 |
| 2016-04-27 | Open-market buy | 2,000 | $11.00 | 159,514,143 |
| 2016-04-27 | Open-market buy | 1,500 | $10.98 | 159,512,143 |
| 2016-04-27 | Open-market buy | 1,000 | $10.97 | 159,510,643 |
| 2016-04-27 | Open-market buy | 200 | $11.02 | 159,514,643 |
| 2016-04-27 | Open-market buy | 2,300 | $10.92 | 159,509,143 |
| 2016-04-27 | Open-market buy | 500 | $10.92 | 159,506,843 |
| 2016-04-27 | Open-market buy | 1,500 | $10.91 | 159,506,343 |
| 2016-04-27 | Open-market buy | 2,000 | $10.90 | 159,504,843 |
| 2016-04-25 | Open-market buy | 4,500 | $11.11 | 159,496,343 |
| 2016-04-25 | Open-market buy | 500 | $11.17 | 159,502,343 |
| 2016-04-25 | Open-market buy | 2,000 | $11.15 | 159,501,843 |
| 2016-04-25 | Open-market buy | 3,500 | $11.13 | 159,499,843 |
| 2016-04-25 | Open-market buy | 500 | $11.20 | 159,502,843 |
| 2016-04-25 | Open-market buy | 1,000 | $11.10 | 159,491,843 |
| 2016-04-25 | Open-market buy | 2,000 | $11.07 | 159,490,843 |
| 2016-04-25 | Open-market buy | 1,000 | $11.06 | 159,488,843 |
| 2016-04-19 | Open-market buy | 4,300 | $11.00 | 159,486,543 |
| 2016-04-19 | Open-market buy | 300 | $11.01 | 159,486,843 |
| 2016-04-19 | Open-market buy | 1,000 | $11.06 | 159,487,843 |
| 2016-04-19 | Open-market buy | 1,800 | $10.95 | 159,482,243 |
| 2016-04-15 | Open-market buy | 1,800 | $10.67 | 159,476,643 |
| 2016-04-15 | Open-market buy | 2,000 | $10.82 | 159,478,643 |
| 2016-04-15 | Open-market buy | 1,800 | $11.00 | 159,480,443 |
| 2016-04-15 | Open-market buy | 2,000 | $10.64 | 159,474,843 |
| 2016-04-06 | Open-market buy | 3,900 | $10.61 | 159,461,843 |
| 2016-04-06 | Open-market buy | 4,900 | $10.66 | 159,472,843 |
| 2016-04-06 | Open-market buy | 100 | $10.66 | 159,467,943 |
| 2016-04-06 | Open-market buy | 2,000 | $10.64 | 159,467,843 |
| 2016-04-06 | Open-market buy | 4,000 | $10.63 | 159,465,843 |
| 2016-04-06 | Open-market buy | 200 | $10.52 | 159,453,043 |
| 2016-04-06 | Open-market buy | 100 | $10.61 | 159,457,943 |
| 2016-04-06 | Open-market buy | 2,967 | $10.53 | 159,457,843 |
| 2016-04-06 | Open-market buy | 1,633 | $10.52 | 159,454,876 |
| 2016-04-06 | Open-market buy | 200 | $10.52 | 159,453,243 |
| 2016-04-05 | Open-market buy | 6,000 | $10.27 | 159,439,843 |
| 2016-04-05 | Open-market buy | 11,000 | $10.28 | 159,450,843 |
| 2016-04-05 | Open-market buy | 2,000 | $10.34 | 159,452,843 |
| 2016-04-05 | Open-market buy | 500 | $10.27 | 159,433,843 |
| 2016-04-05 | Open-market buy | 500 | $10.27 | 159,433,343 |
| 2016-04-01 | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2016-04-01 | Open-market buy | 200 | $10.34 | 159,419,843 |
| 2016-04-01 | Open-market buy | 1,000 | $10.42 | 159,427,843 |
| 2016-04-01 | Open-market buy | 4,824 | $10.41 | 159,426,843 |
| 2016-04-01 | Open-market buy | 176 | $10.41 | 159,422,019 |
| 2016-04-01 | Open-market buy | 2,000 | $10.40 | 159,421,843 |
| 2016-04-01 | Open-market buy | 5,000 | $10.43 | 159,432,843 |
| 2016-04-01 | Open-market buy | 2,700 | $10.33 | 159,419,643 |
| 2016-04-01 | Open-market buy | 1,100 | $10.32 | 159,416,943 |
| 2016-04-01 | Open-market buy | 3,600 | $10.24 | 159,415,843 |
| 2016-04-01 | Open-market buy | 2,000 | $10.23 | 159,412,243 |
| 2016-04-01 | Open-market buy | 1,000 | $10.20 | 159,410,243 |
| 2016-03-31 | Open-market buy | 24,675 | $10.26 | 159,409,243 |
| 2016-03-31 | Open-market buy | 325 | $10.26 | 159,384,568 |
| 2016-03-30 | Open-market buy | 85,600 | $10.10 | 159,384,243 |
| 2016-03-24 | Open-market buy | 1,000 | $11.23 | 159,291,643 |
| 2016-03-24 | Open-market buy | 1,500 | $11.10 | 159,289,143 |
| 2016-03-24 | Open-market buy | 1,000 | $11.08 | 159,287,643 |
| 2016-03-24 | Open-market buy | 1,700 | $11.07 | 159,286,643 |
| 2016-03-24 | Open-market buy | 300 | $11.06 | 159,284,943 |
| 2016-03-24 | Open-market buy | 1,000 | $11.05 | 159,284,643 |
| 2016-03-24 | Open-market buy | 3,800 | $11.02 | 159,283,643 |
| 2016-03-24 | Open-market buy | 1,200 | $11.01 | 159,279,843 |
| 2016-03-24 | Open-market buy | 2,500 | $11.27 | 159,298,643 |
| 2016-03-24 | Open-market buy | 440 | $11.27 | 159,296,143 |
| 2016-03-24 | Open-market buy | 2,060 | $11.26 | 159,295,703 |
| 2016-03-24 | Open-market buy | 1,500 | $11.25 | 159,293,643 |
| 2016-03-24 | Open-market buy | 500 | $11.22 | 159,290,643 |
| 2016-03-24 | Open-market buy | 1,000 | $11.12 | 159,290,143 |
| 2016-03-24 | Open-market buy | 500 | $11.24 | 159,292,143 |
| 2016-03-15 | Open-market buy | 600 | $9.94 | 159,250,343 |
| 2016-03-15 | Open-market buy | 406 | $9.96 | 159,265,549 |
| 2016-03-15 | Open-market buy | 4,550 | $9.95 | 159,265,143 |
| 2016-03-15 | Open-market buy | 1,850 | $9.95 | 159,260,593 |
| 2016-03-15 | Open-market buy | 8,400 | $9.94 | 159,258,743 |
| 2016-03-15 | Open-market buy | 7,500 | $9.97 | 159,273,049 |
| 2016-03-15 | Open-market buy | 1,100 | $9.92 | 159,249,743 |
| 2016-03-15 | Open-market buy | 3,694 | $10.00 | 159,278,643 |
| 2016-03-15 | Open-market buy | 1,800 | $9.98 | 159,274,849 |
| 2016-03-15 | Open-market buy | 100 | $9.99 | 159,274,949 |
| 2016-03-10 | Open-market buy | 500 | $9.90 | 159,235,043 |
| 2016-03-10 | Open-market buy | 500 | $9.83 | 159,231,543 |
| 2016-03-10 | Open-market buy | 500 | $9.78 | 159,231,043 |
| 2016-03-10 | Open-market buy | 2,300 | $9.77 | 159,230,543 |
| 2016-03-10 | Open-market buy | 300 | $9.77 | 159,228,243 |
| 2016-03-10 | Open-market buy | 2,400 | $9.76 | 159,227,943 |
| 2016-03-10 | Open-market buy | 500 | $9.75 | 159,225,543 |
| 2016-03-10 | Open-market buy | 1,800 | $9.99 | 159,248,643 |
| 2016-03-10 | Open-market buy | 416 | $9.98 | 159,246,843 |
| 2016-03-10 | Open-market buy | 1,500 | $9.98 | 159,246,427 |
| 2016-03-10 | Open-market buy | 1,100 | $9.97 | 159,244,927 |
| 2016-03-10 | Open-market buy | 1,000 | $9.97 | 159,243,827 |
| 2016-03-10 | Open-market buy | 2,484 | $9.96 | 159,242,827 |
| 2016-03-10 | Open-market buy | 1,000 | $9.95 | 159,240,343 |
| 2016-03-10 | Open-market buy | 2,000 | $9.93 | 159,239,343 |
| 2016-03-10 | Open-market buy | 500 | $9.93 | 159,237,343 |
| 2016-03-10 | Open-market buy | 1,600 | $9.92 | 159,236,843 |
| 2016-03-10 | Open-market buy | 200 | $9.92 | 159,235,243 |
| 2016-03-10 | Open-market buy | 900 | $9.85 | 159,232,443 |
| 2016-03-10 | Open-market buy | 2,100 | $9.85 | 159,234,543 |
| 2016-03-08 | Open-market buy | 800 | $10.01 | 159,225,043 |
| 2016-03-08 | Open-market buy | 1,400 | $9.99 | 159,221,043 |
| 2016-03-08 | Open-market buy | 400 | $9.99 | 159,221,443 |
| 2016-03-08 | Open-market buy | 2,800 | $10.01 | 159,224,243 |
| 2016-03-04 | Open-market buy | 400 | $9.61 | 159,210,743 |
| 2016-03-04 | Open-market buy | 1,100 | $9.61 | 159,210,343 |
| 2016-03-04 | Open-market buy | 200 | $9.60 | 159,209,243 |
| 2016-03-04 | Open-market buy | 100 | $9.64 | 159,210,843 |
| 2016-03-04 | Open-market buy | 600 | $9.64 | 159,211,443 |
| 2016-03-04 | Open-market buy | 1,200 | $9.65 | 159,212,643 |
| 2016-03-04 | Open-market buy | 200 | $9.65 | 159,212,843 |
| 2016-03-04 | Open-market buy | 1,300 | $9.66 | 159,214,143 |
| 2016-03-04 | Open-market buy | 499 | $9.66 | 159,214,642 |
| 2016-03-04 | Open-market buy | 700 | $9.67 | 159,215,342 |
| 2016-03-04 | Open-market buy | 1,001 | $9.67 | 159,216,343 |
| 2016-03-04 | Open-market buy | 1,300 | $9.71 | 159,217,643 |
| 2016-03-04 | Open-market buy | 2,000 | $9.71 | 159,219,643 |
| 2016-03-04 | Open-market buy | 800 | $9.60 | 159,209,043 |
| 2016-03-04 | Open-market buy | 500 | $9.59 | 159,208,243 |
| 2016-03-03 | Open-market buy | 200 | $9.60 | 159,200,943 |
| 2016-03-03 | Open-market buy | 200 | $9.59 | 159,200,743 |
| 2016-03-03 | Open-market buy | 500 | $9.61 | 159,204,143 |
| 2016-03-03 | Open-market buy | 290 | $9.62 | 159,204,433 |
| 2016-03-03 | Open-market buy | 3,310 | $9.62 | 159,207,743 |
| 2016-03-03 | Open-market buy | 1,600 | $9.60 | 159,202,543 |
| 2016-03-03 | Open-market buy | 1,100 | $9.61 | 159,203,643 |
| 2016-03-01 | Open-market buy | 64,800 | $9.08 | 159,200,543 |
| 2016-02-26 | Open-market buy | 900 | $9.28 | 159,134,943 |
| 2016-02-26 | Open-market buy | 200 | $9.27 | 159,131,143 |
| 2016-02-26 | Open-market buy | 700 | $9.28 | 159,135,743 |
| 2016-02-26 | Open-market buy | 100 | $9.28 | 159,135,043 |
| 2016-02-26 | Open-market buy | 2,800 | $9.27 | 159,134,043 |
| 2016-02-26 | Open-market buy | 100 | $9.27 | 159,131,243 |
| 2016-02-24 | Open-market buy | 1,800 | $8.84 | 159,130,943 |
| 2016-02-24 | Open-market buy | 200 | $8.68 | 159,129,143 |
| 2016-02-24 | Open-market buy | 200 | $8.68 | 159,128,943 |
| 2016-02-24 | Open-market buy | 1,400 | $8.67 | 159,128,743 |
| 2016-02-24 | Open-market buy | 1,800 | $8.65 | 159,127,343 |
| 2016-02-24 | Open-market buy | 1,800 | $8.62 | 159,125,543 |
| 2016-02-23 | Open-market buy | 69 | $9.03 | 159,121,743 |
| 2016-02-23 | Open-market buy | 2,931 | $9.02 | 159,121,674 |
| 2016-02-23 | Open-market buy | 1,700 | $8.99 | 159,118,743 |
| 2016-02-23 | Open-market buy | 100 | $8.99 | 159,117,043 |
| 2016-02-23 | Open-market buy | 1,000 | $8.97 | 159,116,943 |
| 2016-02-23 | Open-market buy | 100 | $8.97 | 159,115,943 |
| 2016-02-23 | Open-market buy | 1,800 | $8.96 | 159,115,843 |
| 2016-02-23 | Open-market buy | 1,800 | $8.95 | 159,114,043 |
| 2016-02-23 | Open-market buy | 1,500 | $8.94 | 159,112,243 |
| 2016-02-23 | Open-market buy | 100 | $8.94 | 159,110,743 |
| 2016-02-23 | Open-market buy | 1,600 | $8.90 | 159,110,643 |
| 2016-02-23 | Open-market buy | 200 | $8.90 | 159,109,043 |
| 2016-02-23 | Open-market buy | 1,300 | $8.89 | 159,108,843 |
| 2016-02-23 | Open-market buy | 500 | $8.89 | 159,107,543 |
| 2016-02-23 | Open-market buy | 2,400 | $8.88 | 159,107,043 |
| 2016-02-23 | Open-market buy | 100 | $8.88 | 159,104,643 |
| 2016-02-23 | Open-market buy | 1,800 | $8.86 | 159,104,543 |
| 2016-02-23 | Open-market buy | 100 | $8.86 | 159,102,743 |
| 2016-02-23 | Open-market buy | 4,200 | $8.85 | 159,102,643 |
| 2016-02-23 | Open-market buy | 300 | $8.85 | 159,098,443 |
| 2016-02-23 | Open-market buy | 400 | $8.85 | 159,098,143 |
| 2016-02-23 | Open-market buy | 1,700 | $8.84 | 159,097,743 |
| 2016-02-23 | Open-market buy | 2,000 | $9.06 | 159,123,743 |
| 2016-02-23 | Open-market buy | 100 | $8.84 | 159,096,043 |
| 2016-02-18 | Open-market buy | 543 | $8.76 | 159,091,943 |
| 2016-02-18 | Open-market buy | 500 | $8.81 | 159,093,943 |
| 2016-02-18 | Open-market buy | 500 | $8.82 | 159,094,443 |
| 2016-02-18 | Open-market buy | 500 | $8.83 | 159,094,943 |
| 2016-02-18 | Open-market buy | 500 | $8.86 | 159,095,443 |
| 2016-02-18 | Open-market buy | 500 | $8.91 | 159,095,943 |
| 2016-02-18 | Open-market buy | 600 | $8.60 | 159,083,543 |
| 2016-02-18 | Open-market buy | 1,400 | $8.60 | 159,084,943 |
| 2016-02-18 | Open-market buy | 1,000 | $8.71 | 159,085,943 |
| 2016-02-18 | Open-market buy | 500 | $8.72 | 159,086,443 |
| 2016-02-18 | Open-market buy | 1,000 | $8.73 | 159,087,443 |
| 2016-02-18 | Open-market buy | 3,957 | $8.75 | 159,091,400 |
| 2016-02-18 | Open-market buy | 500 | $8.78 | 159,093,443 |
| 2016-02-18 | Open-market buy | 1,000 | $8.77 | 159,092,943 |
| 2016-02-17 | Open-market buy | 1,000 | $7.96 | 159,081,943 |
| 2016-02-17 | Open-market buy | 950 | $8.07 | 159,082,943 |
| 2016-02-17 | Open-market buy | 50 | $8.06 | 159,081,993 |
| 2016-02-16 | Open-market buy | 1,000 | $7.94 | 159,070,543 |
| 2016-02-16 | Open-market buy | 500 | $7.74 | 159,066,443 |
| 2016-02-16 | Open-market buy | 1,800 | $7.75 | 159,068,243 |
| 2016-02-16 | Open-market buy | 500 | $7.79 | 159,068,743 |
| 2016-02-16 | Open-market buy | 5,900 | $7.97 | 159,080,943 |
| 2016-02-16 | Open-market buy | 3,000 | $7.96 | 159,075,043 |
| 2016-02-16 | Open-market buy | 1,500 | $7.95 | 159,072,043 |
| 2016-02-16 | Open-market buy | 500 | $7.82 | 159,069,543 |
| 2016-02-16 | Open-market buy | 300 | $7.80 | 159,069,043 |
| 2016-02-12 | Open-market buy | 1,400 | $7.87 | 159,056,343 |
| 2016-02-12 | Open-market buy | 2,200 | $7.87 | 159,058,543 |
| 2016-02-12 | Open-market buy | 500 | $7.89 | 159,062,843 |
| 2016-02-12 | Open-market buy | 1,600 | $7.91 | 159,065,943 |
| 2016-02-12 | Open-market buy | 200 | $7.91 | 159,064,343 |
| 2016-02-12 | Open-market buy | 3,800 | $7.88 | 159,062,343 |
| 2016-02-12 | Open-market buy | 1,300 | $7.89 | 159,064,143 |
| 2016-02-11 | Open-market buy | 2,600 | $7.78 | 159,038,847 |
| 2016-02-11 | Open-market buy | 400 | $8.00 | 159,046,343 |
| 2016-02-11 | Open-market buy | 1,100 | $7.99 | 159,045,943 |
| 2016-02-11 | Open-market buy | 700 | $7.99 | 159,044,843 |
| 2016-02-11 | Open-market buy | 1,000 | $7.96 | 159,044,143 |
| 2016-02-11 | Open-market buy | 2,796 | $7.93 | 159,043,143 |
| 2016-02-11 | Open-market buy | 1,500 | $7.90 | 159,040,347 |
| 2016-02-11 | Open-market buy | 5,600 | $8.00 | 159,051,943 |
| 2016-02-11 | Open-market buy | 600 | $7.75 | 159,036,247 |
| 2016-02-11 | Open-market buy | 1,800 | $7.74 | 159,035,647 |
| 2016-02-11 | Open-market buy | 704 | $7.73 | 159,033,847 |
| 2016-02-11 | Open-market buy | 2,600 | $8.02 | 159,054,943 |
| 2016-02-11 | Open-market buy | 100 | $8.02 | 159,052,343 |
| 2016-02-11 | Open-market buy | 300 | $8.02 | 159,052,243 |
| 2016-02-08 | Open-market buy | 3,700 | $7.60 | 158,991,643 |
| 2016-02-08 | Open-market buy | 4,496 | $7.74 | 159,031,343 |
| 2016-02-08 | Open-market buy | 1,200 | $7.74 | 159,026,847 |
| 2016-02-08 | Open-market buy | 3,196 | $7.73 | 159,025,647 |
| 2016-02-08 | Open-market buy | 700 | $7.73 | 159,022,451 |
| 2016-02-08 | Open-market buy | 2,200 | $7.72 | 159,021,751 |
| 2016-02-08 | Open-market buy | 6,508 | $7.71 | 159,019,551 |
| 2016-02-08 | Open-market buy | 500 | $7.71 | 159,013,043 |
| 2016-02-08 | Open-market buy | 1,000 | $7.70 | 159,012,543 |
| 2016-02-08 | Open-market buy | 1,800 | $7.69 | 159,011,543 |
| 2016-02-08 | Open-market buy | 3,300 | $7.68 | 159,009,743 |
| 2016-02-08 | Open-market buy | 2,400 | $7.67 | 159,006,443 |
| 2016-02-08 | Open-market buy | 4,800 | $7.66 | 159,004,043 |
| 2016-02-08 | Open-market buy | 2,400 | $7.65 | 158,999,243 |
| 2016-02-08 | Open-market buy | 800 | $7.65 | 158,996,843 |
| 2016-02-08 | Open-market buy | 2,100 | $7.64 | 158,996,043 |
| 2016-02-08 | Open-market buy | 100 | $7.64 | 158,993,943 |
| 2016-02-08 | Open-market buy | 2,100 | $7.61 | 158,993,843 |
| 2016-02-08 | Open-market buy | 100 | $7.61 | 158,991,743 |
| 2016-02-08 | Open-market buy | 1,800 | $7.75 | 159,033,143 |
| 2016-02-08 | Open-market buy | 100 | $7.60 | 158,987,943 |
| 2016-02-05 | Open-market buy | 400 | $8.18 | 158,971,643 |
| 2016-02-05 | Open-market buy | 3,600 | $8.22 | 158,980,643 |
| 2016-02-05 | Open-market buy | 3,600 | $8.21 | 158,977,043 |
| 2016-02-05 | Open-market buy | 1,500 | $8.20 | 158,973,443 |
| 2016-02-05 | Open-market buy | 300 | $8.19 | 158,971,943 |
| 2016-02-05 | Open-market buy | 1,800 | $8.25 | 158,982,443 |
| 2016-02-05 | Open-market buy | 1,400 | $8.17 | 158,971,243 |
| 2016-02-05 | Open-market buy | 200 | $8.32 | 158,987,843 |
| 2016-02-05 | Open-market buy | 1,600 | $8.31 | 158,987,643 |
| 2016-02-05 | Open-market buy | 1,800 | $8.29 | 158,986,043 |
| 2016-02-05 | Open-market buy | 1,800 | $8.27 | 158,984,243 |
| 2016-02-04 | Open-market buy | 1,400 | $8.01 | 158,969,843 |
| 2016-02-04 | Open-market buy | 900 | $7.72 | 158,965,343 |
| 2016-02-04 | Open-market buy | 900 | $7.75 | 158,966,243 |
| 2016-02-04 | Open-market buy | 1,800 | $8.00 | 158,968,043 |
| 2016-02-04 | Open-market buy | 400 | $8.01 | 158,968,443 |
| 2016-02-03 | Open-market buy | 300 | $7.68 | 158,956,643 |
| 2016-02-03 | Open-market buy | 1,000 | $7.58 | 158,950,043 |
| 2016-02-03 | Open-market buy | 4,900 | $7.80 | 158,964,443 |
| 2016-02-03 | Open-market buy | 600 | $7.80 | 158,959,543 |
| 2016-02-03 | Open-market buy | 200 | $7.75 | 158,958,943 |
| 2016-02-03 | Open-market buy | 1,600 | $7.74 | 158,958,743 |
| 2016-02-03 | Open-market buy | 500 | $7.70 | 158,957,143 |
| 2016-02-03 | Open-market buy | 1,263 | $7.64 | 158,956,343 |
| 2016-02-03 | Open-market buy | 2,037 | $7.63 | 158,955,080 |
| 2016-02-03 | Open-market buy | 700 | $7.62 | 158,953,043 |
| 2016-02-03 | Open-market buy | 1,900 | $7.61 | 158,952,343 |
| 2016-02-03 | Open-market buy | 400 | $7.61 | 158,950,443 |
| 2016-02-02 | Open-market buy | 100 | $7.76 | 158,933,635 |
| 2016-02-02 | Open-market buy | 1,300 | $7.64 | 158,914,543 |
| 2016-02-02 | Open-market buy | 3,700 | $7.64 | 158,918,243 |
| 2016-02-02 | Open-market buy | 1,400 | $7.67 | 158,919,643 |
| 2016-02-02 | Open-market buy | 5,281 | $7.68 | 158,924,924 |
| 2016-02-02 | Open-market buy | 119 | $7.69 | 158,925,043 |
| 2016-02-02 | Open-market buy | 3,000 | $7.73 | 158,928,043 |
| 2016-02-02 | Open-market buy | 2,000 | $7.74 | 158,930,043 |
| 2016-02-02 | Open-market buy | 3,492 | $7.75 | 158,933,535 |
| 2016-02-02 | Open-market buy | 1,808 | $7.76 | 158,935,443 |
| 2016-02-02 | Open-market buy | 1,300 | $7.77 | 158,936,743 |
| 2016-02-02 | Open-market buy | 2,300 | $7.77 | 158,939,043 |
| 2016-02-02 | Open-market buy | 2,353 | $7.78 | 158,941,396 |
| 2016-02-02 | Open-market buy | 2,647 | $7.79 | 158,944,043 |
| 2016-02-02 | Open-market buy | 5,000 | $7.86 | 158,949,043 |
| 2016-02-01 | Open-market buy | 1,800 | $7.97 | 158,911,443 |
| 2016-02-01 | Open-market buy | 1,805 | $7.77 | 158,901,743 |
| 2016-02-01 | Open-market buy | 800 | $7.93 | 158,909,643 |
| 2016-02-01 | Open-market buy | 1,000 | $7.92 | 158,908,843 |
| 2016-02-01 | Open-market buy | 1,800 | $7.87 | 158,907,843 |
| 2016-02-01 | Open-market buy | 1,800 | $7.85 | 158,906,043 |
| 2016-02-01 | Open-market buy | 1,800 | $7.82 | 158,904,243 |
| 2016-02-01 | Open-market buy | 700 | $7.78 | 158,902,443 |
| 2016-02-01 | Open-market buy | 1,795 | $7.76 | 158,898,838 |
| 2016-02-01 | Open-market buy | 1,100 | $7.77 | 158,899,938 |
| 2016-02-01 | Open-market buy | 1,800 | $7.98 | 158,913,243 |
| 2016-01-28 | Open-market buy | 100 | $7.68 | 158,867,043 |
| 2016-01-28 | Open-market buy | 2,200 | $7.67 | 158,866,943 |
| 2016-01-28 | Open-market buy | 500 | $7.66 | 158,864,743 |
| 2016-01-28 | Open-market buy | 1,500 | $7.77 | 158,897,043 |
| 2016-01-28 | Open-market buy | 500 | $7.75 | 158,895,543 |
| 2016-01-28 | Open-market buy | 1,180 | $7.74 | 158,895,043 |
| 2016-01-28 | Open-market buy | 100 | $7.74 | 158,893,863 |
| 2016-01-28 | Open-market buy | 2,120 | $7.73 | 158,893,763 |
| 2016-01-28 | Open-market buy | 400 | $7.73 | 158,891,643 |
| 2016-01-28 | Open-market buy | 3,780 | $7.72 | 158,891,243 |
| 2016-01-28 | Open-market buy | 7,420 | $7.71 | 158,887,463 |
| 2016-01-28 | Open-market buy | 6,800 | $7.70 | 158,880,043 |
| 2016-01-28 | Open-market buy | 1,700 | $7.68 | 158,868,743 |
| 2016-01-28 | Open-market buy | 4,500 | $7.69 | 158,873,243 |
| 2016-01-27 | Open-market buy | 1,000 | $7.93 | 158,859,443 |
| 2016-01-27 | Open-market buy | 3,500 | $7.91 | 158,858,443 |
| 2016-01-27 | Open-market buy | 1,800 | $7.94 | 158,861,243 |
| 2016-01-27 | Open-market buy | 600 | $7.90 | 158,854,943 |
| 2016-01-27 | Open-market buy | 5,040 | $7.87 | 158,854,343 |
| 2016-01-27 | Open-market buy | 6,460 | $7.86 | 158,849,303 |
| 2016-01-27 | Open-market buy | 2,300 | $7.84 | 158,842,843 |
| 2016-01-27 | Open-market buy | 200 | $7.84 | 158,840,543 |
| 2016-01-27 | Open-market buy | 3,200 | $7.83 | 158,840,343 |
| 2016-01-27 | Open-market buy | 400 | $7.83 | 158,837,143 |
| 2016-01-27 | Open-market buy | 1,151 | $7.78 | 158,836,743 |
| 2016-01-27 | Open-market buy | 200 | $7.78 | 158,835,592 |
| 2016-01-27 | Open-market buy | 2,849 | $7.77 | 158,835,392 |
| 2016-01-27 | Open-market buy | 5,400 | $7.76 | 158,832,543 |
| 2016-01-27 | Open-market buy | 1,200 | $7.75 | 158,827,143 |
| 2016-01-27 | Open-market buy | 400 | $7.73 | 158,825,943 |
| 2016-01-27 | Open-market buy | 1,100 | $7.72 | 158,825,543 |
| 2016-01-27 | Open-market buy | 1,000 | $8.02 | 158,864,243 |
| 2016-01-27 | Open-market buy | 2,000 | $7.97 | 158,863,243 |
| 2016-01-26 | Open-market buy | 1,550 | $7.79 | 158,819,943 |
| 2016-01-26 | Open-market buy | 1,100 | $7.79 | 158,818,393 |
| 2016-01-26 | Open-market buy | 500 | $7.87 | 158,820,443 |
| 2016-01-26 | Open-market buy | 2,350 | $7.78 | 158,817,293 |
| 2016-01-26 | Open-market buy | 500 | $7.76 | 158,814,943 |
| 2016-01-26 | Open-market buy | 3,500 | $7.75 | 158,814,443 |
| 2016-01-26 | Open-market buy | 900 | $7.74 | 158,810,943 |
| 2016-01-26 | Open-market buy | 600 | $7.73 | 158,810,043 |
| 2016-01-26 | Open-market buy | 600 | $8.04 | 158,824,443 |
| 2016-01-26 | Open-market buy | 100 | $8.03 | 158,823,843 |
| 2016-01-26 | Open-market buy | 2,300 | $8.02 | 158,823,743 |
| 2016-01-26 | Open-market buy | 500 | $8.01 | 158,821,443 |
| 2016-01-26 | Open-market buy | 500 | $7.94 | 158,820,943 |
| 2016-01-25 | Open-market buy | 1,645 | $7.87 | 158,785,988 |
| 2016-01-25 | Open-market buy | 1,100 | $8.06 | 158,807,643 |
| 2016-01-25 | Open-market buy | 700 | $8.06 | 158,806,543 |
| 2016-01-25 | Open-market buy | 1,800 | $8.03 | 158,805,843 |
| 2016-01-25 | Open-market buy | 5,600 | $8.02 | 158,804,043 |
| 2016-01-25 | Open-market buy | 1,300 | $8.02 | 158,798,443 |
| 2016-01-25 | Open-market buy | 2,100 | $8.01 | 158,797,143 |
| 2016-01-25 | Open-market buy | 200 | $8.00 | 158,795,043 |
| 2016-01-25 | Open-market buy | 1,600 | $7.99 | 158,794,843 |
| 2016-01-25 | Open-market buy | 1,200 | $7.95 | 158,793,243 |
| 2016-01-25 | Open-market buy | 98 | $7.95 | 158,792,043 |
| 2016-01-25 | Open-market buy | 4,102 | $7.94 | 158,791,945 |
| 2016-01-25 | Open-market buy | 1,855 | $7.88 | 158,787,843 |
| 2016-01-25 | Open-market buy | 1,800 | $8.08 | 158,809,443 |
| 2016-01-25 | Open-market buy | 100 | $7.87 | 158,784,343 |
| 2016-01-21 | Open-market buy | 1,000 | $7.85 | 158,776,243 |
| 2016-01-21 | Open-market buy | 1,000 | $7.88 | 158,779,243 |
| 2016-01-21 | Open-market buy | 1,700 | $7.87 | 158,778,243 |
| 2016-01-21 | Open-market buy | 300 | $7.87 | 158,776,543 |
| 2016-01-21 | Open-market buy | 5,000 | $7.91 | 158,784,243 |
| 2016-01-21 | Open-market buy | 6,900 | $7.82 | 158,775,243 |
| 2016-01-21 | Open-market buy | 100 | $7.82 | 158,768,343 |
| 2016-01-21 | Open-market buy | 3,200 | $7.81 | 158,768,243 |
| 2016-01-21 | Open-market buy | 800 | $7.81 | 158,765,043 |
| 2016-01-20 | Open-market buy | 6,000 | $7.26 | 158,722,643 |
| 2016-01-20 | Open-market buy | 4,200 | $7.21 | 158,716,643 |
| 2016-01-20 | Open-market buy | 1,700 | $7.21 | 158,712,443 |
| 2016-01-20 | Open-market buy | 100 | $7.20 | 158,710,743 |
| 2016-01-20 | Open-market buy | 1,200 | $7.18 | 158,710,643 |
| 2016-01-20 | Open-market buy | 3,800 | $7.17 | 158,709,443 |
| 2016-01-20 | Open-market buy | 600 | $7.96 | 158,764,243 |
| 2016-01-20 | Open-market buy | 1,200 | $7.95 | 158,763,643 |
| 2016-01-20 | Open-market buy | 2,000 | $7.93 | 158,762,443 |
| 2016-01-20 | Open-market buy | 1,300 | $7.90 | 158,760,443 |
| 2016-01-20 | Open-market buy | 200 | $7.90 | 158,759,143 |
| 2016-01-20 | Open-market buy | 4,000 | $7.89 | 158,758,943 |
| 2016-01-20 | Open-market buy | 5,000 | $7.88 | 158,754,943 |
| 2016-01-20 | Open-market buy | 4,100 | $7.86 | 158,749,943 |
| 2016-01-20 | Open-market buy | 200 | $7.86 | 158,745,843 |
| 2016-01-20 | Open-market buy | 3,000 | $7.81 | 158,745,643 |
| 2016-01-20 | Open-market buy | 600 | $7.81 | 158,742,643 |
| 2016-01-20 | Open-market buy | 1,800 | $7.73 | 158,742,043 |
| 2016-01-20 | Open-market buy | 2,000 | $7.50 | 158,740,243 |
| 2016-01-20 | Open-market buy | 5,000 | $7.48 | 158,738,243 |
| 2016-01-20 | Open-market buy | 1,000 | $7.42 | 158,733,243 |
| 2016-01-20 | Open-market buy | 1,800 | $7.41 | 158,732,243 |
| 2016-01-20 | Open-market buy | 1,800 | $7.40 | 158,730,443 |
| 2016-01-20 | Open-market buy | 5,000 | $7.39 | 158,728,643 |
| 2016-01-20 | Open-market buy | 1,000 | $7.34 | 158,723,643 |
| 2016-01-19 | Open-market buy | 500 | $7.79 | 158,693,543 |
| 2016-01-19 | Open-market buy | 500 | $7.90 | 158,705,643 |
| 2016-01-19 | Open-market buy | 4,600 | $7.89 | 158,705,143 |
| 2016-01-19 | Open-market buy | 600 | $7.89 | 158,700,543 |
| 2016-01-19 | Open-market buy | 800 | $7.88 | 158,699,943 |
| 2016-01-19 | Open-market buy | 700 | $7.87 | 158,699,143 |
| 2016-01-19 | Open-market buy | 700 | $7.84 | 158,698,443 |
| 2016-01-19 | Open-market buy | 500 | $7.82 | 158,697,743 |
| 2016-01-19 | Open-market buy | 600 | $7.81 | 158,697,243 |
| 2016-01-19 | Open-market buy | 3,100 | $7.80 | 158,696,643 |
| 2016-01-19 | Open-market buy | 400 | $7.74 | 158,687,643 |
| 2016-01-19 | Open-market buy | 400 | $7.76 | 158,688,043 |
| 2016-01-19 | Open-market buy | 2,000 | $7.76 | 158,690,043 |
| 2016-01-19 | Open-market buy | 3,000 | $7.77 | 158,693,043 |
| 2016-01-19 | Open-market buy | 3,600 | $7.72 | 158,685,843 |
| 2016-01-19 | Open-market buy | 1,400 | $7.73 | 158,687,243 |
| 2016-01-15 | Open-market buy | 2,363 | $7.79 | 158,652,359 |
| 2016-01-15 | Open-market buy | 2,604 | $7.78 | 158,649,996 |
| 2016-01-15 | Open-market buy | 3,784 | $7.77 | 158,647,392 |
| 2016-01-15 | Open-market buy | 100 | $7.77 | 158,643,608 |
| 2016-01-15 | Open-market buy | 1,900 | $7.77 | 158,643,508 |
| 2016-01-15 | Open-market buy | 6,365 | $7.76 | 158,641,608 |
| 2016-01-15 | Open-market buy | 1,900 | $7.76 | 158,635,243 |
| 2016-01-15 | Open-market buy | 500 | $7.71 | 158,633,343 |
| 2016-01-15 | Open-market buy | 5,386 | $7.68 | 158,632,843 |
| 2016-01-15 | Open-market buy | 200 | $8.11 | 158,664,943 |
| 2016-01-15 | Open-market buy | 3,122 | $7.67 | 158,625,965 |
| 2016-01-15 | Open-market buy | 900 | $7.64 | 158,622,843 |
| 2016-01-15 | Open-market buy | 100 | $7.64 | 158,621,943 |
| 2016-01-15 | Open-market buy | 1,400 | $7.60 | 158,621,843 |
| 2016-01-15 | Open-market buy | 3,600 | $7.60 | 158,620,443 |
| 2016-01-15 | Open-market buy | 10,000 | $8.23 | 158,682,243 |
| 2016-01-15 | Open-market buy | 1,000 | $8.19 | 158,672,243 |
| 2016-01-15 | Open-market buy | 1,500 | $8.12 | 158,671,243 |
| 2016-01-15 | Open-market buy | 4,800 | $8.11 | 158,669,743 |
| 2016-01-15 | Open-market buy | 984 | $7.80 | 158,653,343 |
| 2016-01-15 | Open-market buy | 1,000 | $7.86 | 158,654,343 |
| 2016-01-15 | Open-market buy | 3,600 | $7.87 | 158,657,943 |
| 2016-01-15 | Open-market buy | 1,800 | $7.90 | 158,659,743 |
| 2016-01-15 | Open-market buy | 5,000 | $7.95 | 158,664,743 |
| 2016-01-15 | Open-market buy | 1,492 | $7.68 | 158,627,457 |
| 2016-01-14 | Open-market buy | 3,552 | $7.94 | 158,616,843 |
| 2016-01-14 | Open-market buy | 1,220 | $7.91 | 158,608,063 |
| 2016-01-14 | Open-market buy | 4,728 | $7.93 | 158,612,791 |
| 2016-01-14 | Open-market buy | 500 | $7.94 | 158,613,291 |
| 2016-01-13 | Open-market buy | 100 | $8.31 | 158,604,562 |
| 2016-01-13 | Open-market buy | 2,000 | $8.25 | 158,590,843 |
| 2016-01-13 | Open-market buy | 7,119 | $8.30 | 158,604,462 |
| 2016-01-13 | Open-market buy | 4,500 | $8.28 | 158,597,343 |
| 2016-01-13 | Open-market buy | 2,000 | $8.27 | 158,592,843 |
| 2016-01-13 | Open-market buy | 2,281 | $8.31 | 158,606,843 |
| 2016-01-12 | Open-market buy | 500 | $8.69 | 158,580,343 |
| 2016-01-12 | Open-market buy | 1,000 | $8.65 | 158,579,843 |
| 2016-01-12 | Open-market buy | 500 | $8.64 | 158,578,843 |
| 2016-01-12 | Open-market buy | 500 | $8.57 | 158,578,343 |
| 2016-01-12 | Open-market buy | 500 | $8.56 | 158,577,843 |
| 2016-01-12 | Open-market buy | 500 | $8.54 | 158,577,343 |
| 2016-01-12 | Open-market buy | 500 | $8.48 | 158,576,843 |
| 2016-01-12 | Open-market buy | 500 | $8.44 | 158,576,343 |
| 2016-01-12 | Open-market buy | 500 | $8.43 | 158,575,843 |
| 2016-01-12 | Open-market buy | 500 | $8.41 | 158,575,343 |
| 2016-01-12 | Open-market buy | 4,051 | $8.39 | 158,574,843 |
| 2016-01-12 | Open-market buy | 949 | $8.38 | 158,570,792 |
| 2016-01-12 | Open-market buy | 500 | $8.36 | 158,569,843 |
| 2016-01-12 | Open-market buy | 100 | $8.33 | 158,569,343 |
| 2016-01-12 | Open-market buy | 400 | $8.32 | 158,569,243 |
| 2016-01-12 | Open-market buy | 4,000 | $8.74 | 158,587,843 |
| 2016-01-12 | Open-market buy | 400 | $8.75 | 158,588,243 |
| 2016-01-12 | Open-market buy | 600 | $8.75 | 158,588,843 |
| 2016-01-12 | Open-market buy | 1,000 | $8.72 | 158,582,843 |
| 2016-01-12 | Open-market buy | 1,500 | $8.71 | 158,581,843 |
| 2016-01-12 | Open-market buy | 1,000 | $8.73 | 158,583,843 |
| 2016-01-11 | Open-market buy | 1,500 | $8.52 | 158,568,843 |
| 2016-01-11 | Open-market buy | 600 | $8.52 | 158,567,343 |
| 2016-01-11 | Open-market buy | 5,000 | $8.51 | 158,566,743 |
| 2016-01-11 | Open-market buy | 2,900 | $8.51 | 158,561,743 |
| 2016-01-08 | Open-market buy | 9,500 | $8.79 | 158,558,843 |
| 2016-01-08 | Open-market buy | 500 | $8.79 | 158,549,343 |
| 2016-01-07 | Open-market buy | 1,000 | $8.86 | 158,537,843 |
| 2016-01-07 | Open-market buy | 500 | $8.85 | 158,536,843 |
| 2016-01-07 | Open-market buy | 500 | $8.84 | 158,536,343 |
| 2016-01-07 | Open-market buy | 100 | $8.82 | 158,535,843 |
| 2016-01-07 | Open-market buy | 400 | $8.82 | 158,535,743 |
| 2016-01-07 | Open-market buy | 3,500 | $8.80 | 158,535,343 |
| 2016-01-07 | Open-market buy | 500 | $8.79 | 158,531,843 |
| 2016-01-07 | Open-market buy | 500 | $8.78 | 158,531,343 |
| 2016-01-07 | Open-market buy | 500 | $8.76 | 158,530,843 |
| 2016-01-07 | Open-market buy | 3,400 | $8.73 | 158,530,343 |
| 2016-01-07 | Open-market buy | 1,600 | $8.73 | 158,526,943 |
| 2016-01-07 | Open-market buy | 500 | $8.70 | 158,525,343 |
| 2016-01-07 | Open-market buy | 1,000 | $8.66 | 158,524,843 |
| 2016-01-07 | Open-market buy | 1,000 | $9.06 | 158,548,843 |
| 2016-01-07 | Open-market buy | 500 | $9.05 | 158,547,843 |
| 2016-01-07 | Open-market buy | 5,000 | $9.02 | 158,547,343 |
| 2016-01-07 | Open-market buy | 1,000 | $9.00 | 158,542,343 |
| 2016-01-07 | Open-market buy | 500 | $8.92 | 158,541,343 |
| 2016-01-07 | Open-market buy | 1,000 | $8.86 | 158,538,843 |
| 2016-01-07 | Open-market buy | 500 | $8.88 | 158,539,843 |
| 2016-01-07 | Open-market buy | 500 | $8.87 | 158,539,343 |
| 2016-01-07 | Open-market buy | 1,000 | $8.89 | 158,540,843 |
| 2016-01-06 | Open-market buy | 4,500 | $9.04 | 158,483,843 |
| 2016-01-06 | Open-market buy | 500 | $9.04 | 158,479,343 |
| 2016-01-06 | Open-market buy | 1,700 | $8.97 | 158,475,543 |
| 2016-01-06 | Open-market buy | 500 | $9.08 | 158,484,343 |
| 2016-01-06 | Open-market buy | 1,000 | $9.10 | 158,485,343 |
| 2016-01-06 | Open-market buy | 2,300 | $9.13 | 158,487,643 |
| 2016-01-06 | Open-market buy | 10,700 | $9.14 | 158,498,343 |
| 2016-01-06 | Open-market buy | 500 | $9.18 | 158,498,843 |
| 2016-01-06 | Open-market buy | 1,000 | $9.25 | 158,499,843 |
| 2016-01-06 | Open-market buy | 4,300 | $9.28 | 158,504,143 |
| 2016-01-06 | Open-market buy | 1,700 | $9.29 | 158,505,843 |
| 2016-01-06 | Open-market buy | 3,300 | $8.97 | 158,478,843 |
| 2016-01-06 | Open-market buy | 4,700 | $9.51 | 158,523,843 |
| 2016-01-06 | Open-market buy | 300 | $9.50 | 158,519,143 |
| 2016-01-06 | Open-market buy | 4,800 | $9.49 | 158,518,843 |
| 2016-01-06 | Open-market buy | 100 | $9.49 | 158,514,043 |
| 2016-01-06 | Open-market buy | 100 | $9.48 | 158,513,943 |
| 2016-01-06 | Open-market buy | 500 | $9.46 | 158,513,843 |
| 2016-01-06 | Open-market buy | 500 | $9.40 | 158,513,343 |
| 2016-01-06 | Open-market buy | 1,000 | $9.36 | 158,512,843 |
| 2016-01-06 | Open-market buy | 1,000 | $9.32 | 158,511,843 |
| 2016-01-06 | Open-market buy | 2,700 | $9.30 | 158,510,843 |
| 2016-01-06 | Open-market buy | 2,300 | $9.30 | 158,508,143 |
| 2016-01-05 | Open-market buy | 5,435 | $9.85 | 158,465,778 |
| 2016-01-05 | Open-market buy | 1,900 | $9.83 | 158,457,843 |
| 2016-01-05 | Open-market buy | 1,500 | $9.84 | 158,459,343 |
| 2016-01-05 | Open-market buy | 400 | $9.82 | 158,450,743 |
| 2016-01-05 | Open-market buy | 1,500 | $9.81 | 158,450,343 |
| 2016-01-05 | Open-market buy | 2,400 | $9.76 | 158,448,843 |
| 2016-01-05 | Open-market buy | 2,600 | $9.75 | 158,446,443 |
| 2016-01-05 | Open-market buy | 300 | $9.92 | 158,473,843 |
| 2016-01-05 | Open-market buy | 200 | $9.92 | 158,473,543 |
| 2016-01-05 | Open-market buy | 500 | $9.90 | 158,473,343 |
| 2016-01-05 | Open-market buy | 500 | $9.89 | 158,472,843 |
| 2016-01-05 | Open-market buy | 1,000 | $9.88 | 158,472,343 |
| 2016-01-05 | Open-market buy | 1,965 | $9.87 | 158,471,343 |
| 2016-01-05 | Open-market buy | 3,600 | $9.86 | 158,469,378 |
| 2016-01-05 | Open-market buy | 5,200 | $9.82 | 158,455,943 |
| 2016-01-05 | Open-market buy | 1,000 | $9.85 | 158,460,343 |
| 2015-12-31 | Open-market buy | 934 | $10.07 | 158,425,877 |
| 2015-12-31 | Open-market buy | 700 | $10.06 | 158,424,943 |
| 2015-12-31 | Open-market buy | 11,666 | $10.07 | 158,437,543 |
| 2015-12-31 | Open-market buy | 2,000 | $10.10 | 158,439,543 |
| 2015-12-31 | Open-market buy | 1,000 | $10.11 | 158,440,543 |
| 2015-12-31 | Open-market buy | 1,800 | $10.12 | 158,442,343 |
| 2015-12-31 | Open-market buy | 500 | $10.14 | 158,442,843 |
| 2015-12-31 | Open-market buy | 1,000 | $10.16 | 158,443,843 |
| 2015-12-30 | Open-market buy | 500 | $10.06 | 158,407,743 |
| 2015-12-30 | Open-market buy | 1,000 | $10.05 | 158,407,243 |
| 2015-12-30 | Open-market buy | 500 | $10.03 | 158,406,243 |
| 2015-12-30 | Open-market buy | 1,300 | $10.08 | 158,409,043 |
| 2015-12-30 | Open-market buy | 733 | $10.09 | 158,409,776 |
| 2015-12-30 | Open-market buy | 2,967 | $10.10 | 158,412,743 |
| 2015-12-30 | Open-market buy | 1,000 | $10.11 | 158,413,743 |
| 2015-12-30 | Open-market buy | 500 | $10.13 | 158,414,243 |
| 2015-12-30 | Open-market buy | 500 | $10.16 | 158,414,743 |
| 2015-12-30 | Open-market buy | 7,000 | $10.16 | 158,421,743 |
| 2015-12-30 | Open-market buy | 1,500 | $10.17 | 158,423,243 |
| 2015-12-30 | Open-market buy | 200 | $10.19 | 158,423,443 |
| 2015-12-30 | Open-market buy | 800 | $10.19 | 158,424,243 |
| 2015-12-30 | Open-market buy | 1,500 | $10.00 | 158,405,743 |
| 2015-12-24 | Open-market buy | 2,500 | $10.20 | 158,404,243 |
| 2015-12-24 | Open-market buy | 3,300 | $10.19 | 158,400,443 |
| 2015-12-24 | Open-market buy | 100 | $10.19 | 158,397,143 |
| 2015-12-24 | Open-market buy | 2,700 | $10.08 | 158,397,043 |
| 2015-12-24 | Open-market buy | 1,300 | $10.20 | 158,401,743 |
| 2015-12-23 | Open-market buy | 3,300 | $10.10 | 158,379,643 |
| 2015-12-23 | Open-market buy | 400 | $10.11 | 158,380,043 |
| 2015-12-23 | Open-market buy | 7,300 | $10.11 | 158,387,343 |
| 2015-12-23 | Open-market buy | 700 | $10.12 | 158,388,043 |
| 2015-12-23 | Open-market buy | 1,300 | $10.12 | 158,389,343 |
| 2015-12-23 | Open-market buy | 300 | $10.13 | 158,389,643 |
| 2015-12-23 | Open-market buy | 3,700 | $10.13 | 158,393,343 |
| 2015-12-23 | Open-market buy | 1,000 | $10.14 | 158,394,343 |
| 2015-12-22 | Open-market buy | 1,900 | $10.03 | 158,373,535 |
| 2015-12-22 | Open-market buy | 100 | $10.03 | 158,371,635 |
| 2015-12-22 | Open-market buy | 1,500 | $10.02 | 158,371,535 |
| 2015-12-22 | Open-market buy | 1,000 | $10.01 | 158,370,035 |
| 2015-12-22 | Open-market buy | 1,000 | $10.00 | 158,369,035 |
| 2015-12-22 | Open-market buy | 2,000 | $9.99 | 158,368,035 |
| 2015-12-22 | Open-market buy | 1,643 | $9.98 | 158,366,035 |
| 2015-12-22 | Open-market buy | 5,357 | $9.97 | 158,364,392 |
| 2015-12-22 | Open-market buy | 600 | $9.96 | 158,359,035 |
| 2015-12-22 | Open-market buy | 400 | $9.96 | 158,358,435 |
| 2015-12-22 | Open-market buy | 1,000 | $9.95 | 158,358,035 |
| 2015-12-22 | Open-market buy | 500 | $9.95 | 158,357,035 |
| 2015-12-22 | Open-market buy | 192 | $9.94 | 158,356,535 |
| 2015-12-22 | Open-market buy | 908 | $10.05 | 158,376,343 |
| 2015-12-22 | Open-market buy | 400 | $10.05 | 158,375,435 |
| 2015-12-22 | Open-market buy | 1,500 | $10.04 | 158,375,035 |
| 2015-12-18 | Open-market buy | 4,000 | $9.99 | 158,342,543 |
| 2015-12-18 | Open-market buy | 1,000 | $9.97 | 158,338,543 |
| 2015-12-18 | Open-market buy | 1,000 | $9.96 | 158,337,543 |
| 2015-12-18 | Open-market buy | 1,000 | $9.93 | 158,336,543 |
| 2015-12-18 | Open-market buy | 700 | $10.00 | 158,343,243 |
| 2015-12-18 | Open-market buy | 1,000 | $9.92 | 158,335,543 |
| 2015-12-18 | Open-market buy | 1,600 | $10.10 | 158,356,343 |
| 2015-12-18 | Open-market buy | 200 | $10.09 | 158,354,743 |
| 2015-12-18 | Open-market buy | 1,000 | $10.02 | 158,354,543 |
| 2015-12-18 | Open-market buy | 7,100 | $10.01 | 158,353,543 |
| 2015-12-18 | Open-market buy | 1,400 | $10.01 | 158,346,443 |
| 2015-12-18 | Open-market buy | 1,800 | $10.00 | 158,345,043 |
| 2015-12-14 | Open-market buy | 106,000 | $9.72 | 158,334,543 |
| 2015-12-11 | Open-market buy | 1,300 | $10.52 | 158,225,543 |
| 2015-12-11 | Open-market buy | 500 | $10.51 | 158,224,243 |
| 2015-12-11 | Open-market buy | 1,000 | $10.53 | 158,226,543 |
| 2015-12-11 | Open-market buy | 1,500 | $10.54 | 158,228,043 |
| 2015-12-11 | Open-market buy | 500 | $10.57 | 158,228,543 |
| 2015-12-11 | Open-market buy | 500 | $10.42 | 158,209,043 |
| 2015-12-11 | Open-market buy | 3,000 | $10.42 | 158,212,043 |
| 2015-12-11 | Open-market buy | 700 | $10.43 | 158,212,743 |
| 2015-12-11 | Open-market buy | 2,900 | $10.48 | 158,223,743 |
| 2015-12-11 | Open-market buy | 2,100 | $10.47 | 158,220,843 |
| 2015-12-11 | Open-market buy | 672 | $10.46 | 158,218,743 |
| 2015-12-11 | Open-market buy | 2,348 | $10.45 | 158,218,071 |
| 2015-12-11 | Open-market buy | 2,980 | $10.44 | 158,215,723 |
| 2015-12-09 | Open-market buy | 6,200 | $10.85 | 158,199,143 |
| 2015-12-09 | Open-market buy | 3,400 | $10.82 | 158,192,943 |
| 2015-12-09 | Open-market buy | 100 | $10.82 | 158,189,543 |
| 2015-12-09 | Open-market buy | 6,600 | $10.80 | 158,189,443 |
| 2015-12-09 | Open-market buy | 3,000 | $10.79 | 158,182,843 |
| 2015-12-09 | Open-market buy | 800 | $10.78 | 158,179,843 |
| 2015-12-09 | Open-market buy | 500 | $10.76 | 158,179,043 |
| 2015-12-09 | Open-market buy | 500 | $10.88 | 158,199,743 |
| 2015-12-09 | Open-market buy | 530 | $11.15 | 158,207,273 |
| 2015-12-09 | Open-market buy | 500 | $10.96 | 158,206,743 |
| 2015-12-09 | Open-market buy | 500 | $10.94 | 158,206,243 |
| 2015-12-09 | Open-market buy | 3,300 | $10.93 | 158,205,743 |
| 2015-12-09 | Open-market buy | 1,700 | $10.93 | 158,202,443 |
| 2015-12-09 | Open-market buy | 1,000 | $10.92 | 158,200,743 |
| 2015-12-09 | Open-market buy | 100 | $10.86 | 158,199,243 |
| 2015-12-09 | Open-market buy | 1,270 | $11.17 | 158,208,543 |
| 2015-12-07 | Open-market buy | 7,000 | $11.00 | 158,172,191 |
| 2015-12-07 | Open-market buy | 3,000 | $11.02 | 158,178,191 |
| 2015-12-07 | Open-market buy | 3,000 | $11.01 | 158,175,191 |
| 2015-12-07 | Open-market buy | 352 | $11.03 | 158,178,543 |
| 2015-12-07 | Open-market buy | 1,000 | $10.97 | 158,165,191 |
| 2015-12-07 | Open-market buy | 648 | $10.96 | 158,164,191 |
| 2015-12-07 | Open-market buy | 5,000 | $10.95 | 158,163,543 |
| 2015-11-30 | Open-market buy | 4,210 | $10.94 | 158,158,543 |
| 2015-11-30 | Open-market buy | 790 | $10.94 | 158,154,333 |
| 2015-11-27 | Open-market buy | 1,500 | $11.06 | 158,153,243 |
| 2015-11-27 | Open-market buy | 300 | $11.07 | 158,153,543 |
| 2015-11-25 | Open-market buy | 1,200 | $11.08 | 158,146,543 |
| 2015-11-25 | Open-market buy | 2,000 | $11.02 | 158,145,343 |
| 2015-11-25 | Open-market buy | 600 | $11.01 | 158,143,343 |
| 2015-11-25 | Open-market buy | 3,000 | $11.00 | 158,142,743 |
| 2015-11-25 | Open-market buy | 5,200 | $11.08 | 158,151,743 |
| 2015-11-25 | Open-market buy | 2,000 | $10.97 | 158,136,743 |
| 2015-11-25 | Open-market buy | 3,000 | $10.98 | 158,139,743 |
| 2015-11-24 | Open-market buy | 1,000 | $10.73 | 158,123,843 |
| 2015-11-24 | Open-market buy | 2,800 | $10.72 | 158,119,543 |
| 2015-11-24 | Open-market buy | 500 | $10.86 | 158,134,743 |
| 2015-11-24 | Open-market buy | 400 | $10.85 | 158,134,243 |
| 2015-11-24 | Open-market buy | 400 | $10.84 | 158,133,843 |
| 2015-11-24 | Open-market buy | 800 | $10.83 | 158,133,443 |
| 2015-11-24 | Open-market buy | 800 | $10.82 | 158,132,643 |
| 2015-11-24 | Open-market buy | 800 | $10.81 | 158,131,843 |
| 2015-11-24 | Open-market buy | 1,000 | $10.80 | 158,131,043 |
| 2015-11-24 | Open-market buy | 100 | $10.79 | 158,130,043 |
| 2015-11-24 | Open-market buy | 600 | $10.79 | 158,129,943 |
| 2015-11-24 | Open-market buy | 300 | $10.78 | 158,129,343 |
| 2015-11-24 | Open-market buy | 2,500 | $10.77 | 158,129,043 |
| 2015-11-24 | Open-market buy | 1,300 | $10.76 | 158,126,543 |
| 2015-11-24 | Open-market buy | 100 | $10.76 | 158,125,243 |
| 2015-11-24 | Open-market buy | 100 | $10.75 | 158,125,143 |
| 2015-11-24 | Open-market buy | 100 | $10.74 | 158,125,043 |
| 2015-11-24 | Open-market buy | 700 | $10.74 | 158,124,943 |
| 2015-11-24 | Open-market buy | 400 | $10.73 | 158,124,243 |
| 2015-11-24 | Open-market buy | 3,200 | $10.72 | 158,122,743 |
| 2015-11-24 | Open-market buy | 100 | $10.72 | 158,122,843 |
| 2015-11-20 | Open-market buy | 800 | $10.90 | 158,116,743 |
| 2015-11-20 | Open-market buy | 800 | $10.89 | 158,115,943 |
| 2015-11-20 | Open-market buy | 700 | $10.88 | 158,115,143 |
| 2015-11-19 | Open-market buy | 1,000 | $10.60 | 158,085,443 |
| 2015-11-19 | Open-market buy | 8,800 | $10.77 | 158,114,443 |
| 2015-11-19 | Open-market buy | 5,000 | $10.63 | 158,090,443 |
| 2015-11-19 | Open-market buy | 200 | $10.77 | 158,105,643 |
| 2015-11-19 | Open-market buy | 3,000 | $10.76 | 158,105,443 |
| 2015-11-19 | Open-market buy | 5,000 | $10.75 | 158,102,443 |
| 2015-11-19 | Open-market buy | 4,000 | $10.74 | 158,097,443 |
| 2015-11-19 | Open-market buy | 1,000 | $10.73 | 158,093,443 |
| 2015-11-19 | Open-market buy | 2,000 | $10.71 | 158,092,443 |
| 2015-11-16 | Open-market buy | 100 | $10.55 | 158,068,443 |
| 2015-11-16 | Open-market buy | 100 | $10.37 | 158,059,443 |
| 2015-11-16 | Open-market buy | 1,000 | $10.38 | 158,060,443 |
| 2015-11-16 | Open-market buy | 1,500 | $10.39 | 158,061,943 |
| 2015-11-16 | Open-market buy | 1,000 | $10.40 | 158,062,943 |
| 2015-11-16 | Open-market buy | 400 | $10.37 | 158,059,343 |
| 2015-11-16 | Open-market buy | 800 | $10.34 | 158,058,943 |
| 2015-11-16 | Open-market buy | 540 | $10.34 | 158,058,143 |
| 2015-11-16 | Open-market buy | 660 | $10.33 | 158,057,603 |
| 2015-11-16 | Open-market buy | 2,500 | $10.32 | 158,056,943 |
| 2015-11-16 | Open-market buy | 1,500 | $10.68 | 158,084,443 |
| 2015-11-16 | Open-market buy | 1,900 | $10.65 | 158,082,943 |
| 2015-11-16 | Open-market buy | 5,500 | $10.64 | 158,081,043 |
| 2015-11-16 | Open-market buy | 3,000 | $10.63 | 158,075,543 |
| 2015-11-16 | Open-market buy | 500 | $10.62 | 158,072,543 |
| 2015-11-16 | Open-market buy | 1,150 | $10.58 | 158,072,043 |
| 2015-11-16 | Open-market buy | 650 | $10.57 | 158,070,893 |
| 2015-11-16 | Open-market buy | 1,800 | $10.56 | 158,070,243 |
| 2015-11-16 | Open-market buy | 400 | $10.55 | 158,068,343 |
| 2015-11-16 | Open-market buy | 500 | $10.52 | 158,067,943 |
| 2015-11-16 | Open-market buy | 1,000 | $10.50 | 158,067,443 |
| 2015-11-16 | Open-market buy | 500 | $10.49 | 158,066,443 |
| 2015-11-16 | Open-market buy | 500 | $10.47 | 158,065,943 |
| 2015-11-16 | Open-market buy | 500 | $10.46 | 158,065,443 |
| 2015-11-16 | Open-market buy | 500 | $10.45 | 158,064,943 |
| 2015-11-16 | Open-market buy | 500 | $10.44 | 158,064,443 |
| 2015-11-16 | Open-market buy | 1,000 | $10.41 | 158,063,943 |
| 2015-11-06 | Open-market buy | 3,503 | $9.86 | 158,040,346 |
| 2015-11-06 | Open-market buy | 1,000 | $9.81 | 158,035,443 |
| 2015-11-06 | Open-market buy | 4,700 | $9.51 | 158,034,443 |
| 2015-11-06 | Open-market buy | 300 | $9.50 | 158,029,743 |
| 2015-11-06 | Open-market buy | 500 | $9.99 | 158,054,443 |
| 2015-11-06 | Open-market buy | 1,800 | $9.98 | 158,053,943 |
| 2015-11-06 | Open-market buy | 200 | $9.98 | 158,052,143 |
| 2015-11-06 | Open-market buy | 1,000 | $9.97 | 158,051,943 |
| 2015-11-06 | Open-market buy | 5,000 | $9.96 | 158,050,943 |
| 2015-11-06 | Open-market buy | 500 | $9.95 | 158,045,943 |
| 2015-11-06 | Open-market buy | 900 | $9.92 | 158,045,443 |
| 2015-11-06 | Open-market buy | 100 | $9.92 | 158,044,543 |
| 2015-11-06 | Open-market buy | 2,300 | $9.91 | 158,044,443 |
| 2015-11-06 | Open-market buy | 200 | $9.91 | 158,042,143 |
| 2015-11-06 | Open-market buy | 1,597 | $9.87 | 158,041,943 |
| 2015-11-06 | Open-market buy | 1,000 | $9.82 | 158,036,443 |
| 2015-11-06 | Open-market buy | 400 | $9.86 | 158,036,843 |
| 2015-11-05 | Open-market buy | 3,000 | $9.63 | 158,024,443 |
| 2015-11-05 | Open-market buy | 200 | $9.60 | 158,014,643 |
| 2015-11-05 | Open-market buy | 400 | $9.61 | 158,015,043 |
| 2015-11-05 | Open-market buy | 4,400 | $9.61 | 158,019,443 |
| 2015-11-05 | Open-market buy | 2,000 | $9.62 | 158,021,443 |
| 2015-11-05 | Open-market buy | 2,500 | $9.66 | 158,029,443 |
| 2015-11-05 | Open-market buy | 1,500 | $9.66 | 158,026,943 |
| 2015-11-05 | Open-market buy | 1,000 | $9.65 | 158,025,443 |
| 2015-11-04 | Open-market buy | 4,100 | $9.67 | 158,007,443 |
| 2015-11-04 | Open-market buy | 400 | $9.67 | 158,003,343 |
| 2015-11-04 | Open-market buy | 1,000 | $9.66 | 158,002,943 |
| 2015-11-04 | Open-market buy | 500 | $9.62 | 158,001,443 |
| 2015-11-04 | Open-market buy | 500 | $9.61 | 158,000,943 |
| 2015-11-04 | Open-market buy | 500 | $9.58 | 158,000,443 |
| 2015-11-04 | Open-market buy | 500 | $9.55 | 157,999,943 |
| 2015-11-04 | Open-market buy | 100 | $9.74 | 158,014,443 |
| 2015-11-04 | Open-market buy | 2,400 | $9.73 | 158,014,343 |
| 2015-11-04 | Open-market buy | 2,600 | $9.72 | 158,011,943 |
| 2015-11-04 | Open-market buy | 500 | $9.68 | 158,007,943 |
| 2015-11-04 | Open-market buy | 500 | $9.69 | 158,008,443 |
| 2015-11-04 | Open-market buy | 900 | $9.71 | 158,009,343 |
| 2015-11-04 | Open-market buy | 500 | $9.65 | 158,001,943 |
| 2015-11-03 | Open-market buy | 5,072 | $9.78 | 157,996,515 |
| 2015-11-03 | Open-market buy | 1,000 | $9.77 | 157,991,443 |
| 2015-11-03 | Open-market buy | 742 | $9.76 | 157,990,443 |
| 2015-11-03 | Open-market buy | 1,000 | $9.75 | 157,989,701 |
| 2015-11-03 | Open-market buy | 2,928 | $9.79 | 157,999,443 |
| 2015-11-03 | Open-market buy | 1,258 | $9.73 | 157,987,701 |
| 2015-11-03 | Open-market buy | 1,000 | $9.72 | 157,986,443 |
| 2015-11-03 | Open-market buy | 1,000 | $9.71 | 157,985,443 |
| 2015-11-03 | Open-market buy | 1,000 | $9.74 | 157,988,701 |
| 2015-11-02 | Open-market buy | 5,000 | $9.77 | 157,980,443 |
| 2015-11-02 | Open-market buy | 4,100 | $9.74 | 157,975,443 |
| 2015-11-02 | Open-market buy | 1,600 | $9.74 | 157,971,343 |
| 2015-11-02 | Open-market buy | 300 | $9.73 | 157,969,743 |
| 2015-11-02 | Open-market buy | 4,000 | $9.78 | 157,984,443 |
| 2015-10-30 | Open-market buy | 500 | $9.31 | 157,955,943 |
| 2015-10-30 | Open-market buy | 5,000 | $9.45 | 157,964,443 |
| 2015-10-30 | Open-market buy | 3,000 | $9.40 | 157,959,443 |
| 2015-10-30 | Open-market buy | 500 | $9.31 | 157,956,443 |
| 2015-10-30 | Open-market buy | 5,000 | $9.46 | 157,969,443 |
| 2015-10-30 | Open-market buy | 1,000 | $9.30 | 157,955,443 |
| 2015-10-30 | Open-market buy | 4,200 | $9.28 | 157,954,443 |
| 2015-10-30 | Open-market buy | 800 | $9.28 | 157,950,243 |
| 2015-10-29 | Open-market buy | 1,000 | $9.41 | 157,938,443 |
| 2015-10-29 | Open-market buy | 1,705 | $9.47 | 157,945,648 |
| 2015-10-29 | Open-market buy | 3,100 | $9.48 | 157,948,748 |
| 2015-10-29 | Open-market buy | 2,500 | $9.46 | 157,943,943 |
| 2015-10-29 | Open-market buy | 2,000 | $9.43 | 157,941,443 |
| 2015-10-29 | Open-market buy | 1,000 | $9.42 | 157,939,443 |
| 2015-10-29 | Open-market buy | 3,904 | $9.39 | 157,937,443 |
| 2015-10-29 | Open-market buy | 9,096 | $9.38 | 157,933,539 |
| 2015-10-29 | Open-market buy | 695 | $9.49 | 157,949,443 |
| 2015-10-28 | Open-market buy | 300 | $9.65 | 157,917,743 |
| 2015-10-28 | Open-market buy | 500 | $9.63 | 157,917,443 |
| 2015-10-28 | Open-market buy | 500 | $9.48 | 157,909,543 |
| 2015-10-28 | Open-market buy | 2,400 | $9.66 | 157,920,143 |
| 2015-10-28 | Open-market buy | 900 | $9.67 | 157,921,043 |
| 2015-10-28 | Open-market buy | 2,100 | $9.67 | 157,923,143 |
| 2015-10-28 | Open-market buy | 100 | $9.68 | 157,923,243 |
| 2015-10-28 | Open-market buy | 1,200 | $9.68 | 157,924,443 |
| 2015-10-28 | Open-market buy | 1,500 | $9.51 | 157,911,043 |
| 2015-10-28 | Open-market buy | 1,000 | $9.53 | 157,912,043 |
| 2015-10-28 | Open-market buy | 1,900 | $9.57 | 157,913,943 |
| 2015-10-28 | Open-market buy | 100 | $9.58 | 157,914,043 |
| 2015-10-28 | Open-market buy | 500 | $9.59 | 157,914,543 |
| 2015-10-28 | Open-market buy | 500 | $9.60 | 157,915,043 |
| 2015-10-28 | Open-market buy | 1,400 | $9.61 | 157,916,443 |
| 2015-10-28 | Open-market buy | 500 | $9.62 | 157,916,943 |
| 2015-10-28 | Open-market buy | 500 | $9.28 | 157,903,543 |
| 2015-10-28 | Open-market buy | 2,500 | $9.08 | 157,903,043 |
| 2015-10-28 | Open-market buy | 1,100 | $9.08 | 157,900,543 |
| 2015-10-28 | Open-market buy | 2,000 | $9.30 | 157,905,543 |
| 2015-10-28 | Open-market buy | 3,000 | $9.30 | 157,908,543 |
| 2015-10-28 | Open-market buy | 500 | $9.32 | 157,909,043 |
| 2015-10-22 | Open-market buy | 100 | $9.07 | 157,898,543 |
| 2015-10-22 | Open-market buy | 500 | $9.01 | 157,888,943 |
| 2015-10-22 | Open-market buy | 100 | $9.02 | 157,889,043 |
| 2015-10-22 | Open-market buy | 5,000 | $8.90 | 157,886,643 |
| 2015-10-22 | Open-market buy | 1,000 | $8.86 | 157,881,643 |
| 2015-10-22 | Open-market buy | 1,000 | $8.82 | 157,880,643 |
| 2015-10-22 | Open-market buy | 5,000 | $8.81 | 157,879,643 |
| 2015-10-22 | Open-market buy | 5,600 | $8.77 | 157,874,643 |
| 2015-10-22 | Open-market buy | 400 | $8.77 | 157,869,043 |
| 2015-10-22 | Open-market buy | 1,000 | $8.71 | 157,868,643 |
| 2015-10-22 | Open-market buy | 900 | $9.07 | 157,899,443 |
| 2015-10-22 | Open-market buy | 1,800 | $8.98 | 157,888,443 |
| 2015-10-22 | Open-market buy | 500 | $9.05 | 157,898,443 |
| 2015-10-22 | Open-market buy | 1,500 | $9.04 | 157,897,943 |
| 2015-10-22 | Open-market buy | 7,000 | $9.03 | 157,896,443 |
| 2015-10-22 | Open-market buy | 400 | $9.02 | 157,889,443 |
| 2015-10-13 | Open-market buy | 7,300 | $8.53 | 157,859,643 |
| 2015-10-13 | Open-market buy | 700 | $8.53 | 157,852,343 |
| 2015-10-13 | Open-market buy | 4,900 | $8.59 | 157,867,643 |
| 2015-10-13 | Open-market buy | 100 | $8.59 | 157,862,743 |
| 2015-10-13 | Open-market buy | 4,000 | $8.51 | 157,851,643 |
| 2015-10-13 | Open-market buy | 2,000 | $8.55 | 157,862,643 |
| 2015-10-13 | Open-market buy | 1,000 | $8.54 | 157,860,643 |
| 2015-10-02 | Open-market buy | 107 | $8.46 | 157,847,643 |
| 2015-10-02 | Open-market buy | 1,363 | $8.41 | 157,847,536 |
| 2015-10-02 | Open-market buy | 330 | $8.36 | 157,846,173 |
| 2015-10-01 | Open-market buy | 1,400 | $8.28 | 157,812,743 |
| 2015-10-01 | Open-market buy | 4,100 | $8.27 | 157,811,343 |
| 2015-10-01 | Open-market buy | 2,900 | $8.26 | 157,807,243 |
| 2015-10-01 | Open-market buy | 1,000 | $8.24 | 157,804,343 |
| 2015-10-01 | Open-market buy | 10,000 | $8.21 | 157,803,343 |
| 2015-10-01 | Open-market buy | 2,983 | $8.49 | 157,845,843 |
| 2015-10-01 | Open-market buy | 4,017 | $8.48 | 157,842,860 |
| 2015-10-01 | Open-market buy | 3,000 | $8.47 | 157,838,843 |
| 2015-10-01 | Open-market buy | 4,500 | $8.45 | 157,835,843 |
| 2015-10-01 | Open-market buy | 500 | $8.45 | 157,831,343 |
| 2015-10-01 | Open-market buy | 500 | $8.39 | 157,830,843 |
| 2015-10-01 | Open-market buy | 500 | $8.39 | 157,830,343 |
| 2015-10-01 | Open-market buy | 200 | $8.38 | 157,829,843 |
| 2015-10-01 | Open-market buy | 800 | $8.37 | 157,829,643 |
| 2015-10-01 | Open-market buy | 1,000 | $8.32 | 157,828,843 |
| 2015-10-01 | Open-market buy | 600 | $8.31 | 157,827,843 |
| 2015-10-01 | Open-market buy | 4,910 | $8.30 | 157,827,243 |
| 2015-10-01 | Open-market buy | 8,290 | $8.29 | 157,822,333 |
| 2015-10-01 | Open-market buy | 1,300 | $8.29 | 157,814,043 |
| 2015-09-30 | Open-market buy | 400 | $8.36 | 157,758,743 |
| 2015-09-30 | Open-market buy | 1,000 | $8.34 | 157,758,343 |
| 2015-09-30 | Open-market buy | 2,000 | $8.33 | 157,757,343 |
| 2015-09-30 | Open-market buy | 935 | $8.32 | 157,755,343 |
| 2015-09-30 | Open-market buy | 5,165 | $8.31 | 157,754,408 |
| 2015-09-30 | Open-market buy | 7,255 | $8.30 | 157,749,243 |
| 2015-09-30 | Open-market buy | 4,400 | $8.30 | 157,741,988 |
| 2015-09-30 | Open-market buy | 8,145 | $8.29 | 157,737,588 |
| 2015-09-30 | Open-market buy | 200 | $8.29 | 157,729,443 |
| 2015-09-30 | Open-market buy | 1,900 | $8.28 | 157,729,243 |
| 2015-09-30 | Open-market buy | 1,000 | $8.26 | 157,727,343 |
| 2015-09-30 | Open-market buy | 3,000 | $8.25 | 157,726,343 |
| 2015-09-30 | Open-market buy | 2,500 | $8.39 | 157,771,343 |
| 2015-09-30 | Open-market buy | 500 | $8.39 | 157,768,843 |
| 2015-09-30 | Open-market buy | 1,600 | $8.38 | 157,768,343 |
| 2015-09-30 | Open-market buy | 4,100 | $8.37 | 157,766,743 |
| 2015-09-30 | Open-market buy | 100 | $8.37 | 157,762,643 |
| 2015-09-30 | Open-market buy | 2,452 | $8.42 | 157,793,343 |
| 2015-09-30 | Open-market buy | 17,760 | $8.41 | 157,790,891 |
| 2015-09-30 | Open-market buy | 400 | $8.41 | 157,773,131 |
| 2015-09-30 | Open-market buy | 3,800 | $8.36 | 157,762,543 |
| 2015-09-30 | Open-market buy | 1,388 | $8.40 | 157,772,731 |
| 2015-09-29 | Open-market buy | 165 | $8.30 | 157,702,343 |
| 2015-09-29 | Open-market buy | 100 | $8.45 | 157,717,343 |
| 2015-09-29 | Open-market buy | 900 | $8.44 | 157,717,243 |
| 2015-09-29 | Open-market buy | 10,000 | $8.42 | 157,716,343 |
| 2015-09-29 | Open-market buy | 4,000 | $8.38 | 157,706,343 |
| 2015-09-29 | Open-market buy | 6,000 | $8.45 | 157,723,343 |
| 2015-09-29 | Open-market buy | 100 | $8.30 | 157,702,178 |
| 2015-09-29 | Open-market buy | 5,535 | $8.29 | 157,702,078 |
| 2015-09-29 | Open-market buy | 200 | $8.29 | 157,696,543 |
| 2015-09-29 | Open-market buy | 3,000 | $8.28 | 157,696,343 |
| 2015-09-25 | Open-market buy | 202,900 | $9.08 | 157,693,343 |
| 2015-09-23 | Open-market buy | 2,000 | $9.51 | 157,446,443 |
| 2015-09-23 | Open-market buy | 4,000 | $9.50 | 157,444,443 |
| 2015-09-23 | Open-market buy | 1,000 | $9.73 | 157,490,443 |
| 2015-09-23 | Open-market buy | 1,000 | $9.67 | 157,489,443 |
| 2015-09-23 | Open-market buy | 1,400 | $9.63 | 157,488,443 |
| 2015-09-23 | Open-market buy | 100 | $9.63 | 157,487,043 |
| 2015-09-23 | Open-market buy | 5,000 | $9.61 | 157,486,943 |
| 2015-09-23 | Open-market buy | 2,700 | $9.60 | 157,481,943 |
| 2015-09-23 | Open-market buy | 800 | $9.60 | 157,479,243 |
| 2015-09-23 | Open-market buy | 2,500 | $9.59 | 157,478,443 |
| 2015-09-23 | Open-market buy | 4,500 | $9.58 | 157,475,943 |
| 2015-09-23 | Open-market buy | 1,518 | $9.56 | 157,471,443 |
| 2015-09-23 | Open-market buy | 1,100 | $9.56 | 157,469,925 |
| 2015-09-23 | Open-market buy | 12,582 | $9.55 | 157,468,825 |
| 2015-09-23 | Open-market buy | 900 | $9.55 | 157,456,243 |
| 2015-09-23 | Open-market buy | 2,400 | $9.53 | 157,448,843 |
| 2015-09-23 | Open-market buy | 6,500 | $9.53 | 157,455,343 |
| 2015-09-22 | Open-market buy | 2,800 | $9.63 | 157,400,043 |
| 2015-09-22 | Open-market buy | 1,100 | $9.96 | 157,439,143 |
| 2015-09-22 | Open-market buy | 500 | $9.95 | 157,438,043 |
| 2015-09-22 | Open-market buy | 700 | $9.94 | 157,437,543 |
| 2015-09-22 | Open-market buy | 300 | $9.92 | 157,436,843 |
| 2015-09-22 | Open-market buy | 1,000 | $9.90 | 157,436,543 |
| 2015-09-22 | Open-market buy | 500 | $9.88 | 157,435,543 |
| 2015-09-22 | Open-market buy | 1,800 | $9.86 | 157,435,043 |
| 2015-09-22 | Open-market buy | 500 | $9.85 | 157,433,243 |
| 2015-09-22 | Open-market buy | 500 | $9.84 | 157,432,743 |
| 2015-09-22 | Open-market buy | 500 | $9.82 | 157,432,243 |
| 2015-09-22 | Open-market buy | 500 | $9.80 | 157,431,743 |
| 2015-09-22 | Open-market buy | 600 | $9.79 | 157,431,243 |
| 2015-09-22 | Open-market buy | 400 | $9.79 | 157,430,643 |
| 2015-09-22 | Open-market buy | 11,400 | $9.75 | 157,430,243 |
| 2015-09-22 | Open-market buy | 200 | $9.75 | 157,418,843 |
| 2015-09-22 | Open-market buy | 1,800 | $9.71 | 157,418,643 |
| 2015-09-22 | Open-market buy | 3,300 | $9.69 | 157,416,843 |
| 2015-09-22 | Open-market buy | 5,000 | $9.68 | 157,413,543 |
| 2015-09-22 | Open-market buy | 2,200 | $9.68 | 157,408,543 |
| 2015-09-22 | Open-market buy | 800 | $9.66 | 157,406,343 |
| 2015-09-22 | Open-market buy | 61 | $9.66 | 157,405,543 |
| 2015-09-22 | Open-market buy | 2,839 | $9.65 | 157,405,482 |
| 2015-09-22 | Open-market buy | 1,300 | $9.96 | 157,440,443 |
| 2015-09-22 | Open-market buy | 2,600 | $9.64 | 157,402,643 |
| 2015-09-21 | Open-market buy | 400 | $10.11 | 157,390,043 |
| 2015-09-21 | Open-market buy | 1,400 | $10.10 | 157,389,643 |
| 2015-09-21 | Open-market buy | 1,800 | $10.03 | 157,388,243 |
| 2015-09-21 | Open-market buy | 1,100 | $10.02 | 157,386,443 |
| 2015-09-21 | Open-market buy | 700 | $10.02 | 157,385,343 |
| 2015-09-21 | Open-market buy | 1,400 | $9.97 | 157,384,643 |
| 2015-09-21 | Open-market buy | 5,800 | $9.96 | 157,383,243 |
| 2015-09-21 | Open-market buy | 1,800 | $10.24 | 157,397,243 |
| 2015-09-21 | Open-market buy | 1,800 | $9.94 | 157,373,843 |
| 2015-09-21 | Open-market buy | 1,400 | $9.84 | 157,372,043 |
| 2015-09-21 | Open-market buy | 300 | $9.84 | 157,370,643 |
| 2015-09-21 | Open-market buy | 100 | $9.83 | 157,370,343 |
| 2015-09-21 | Open-market buy | 500 | $10.12 | 157,390,543 |
| 2015-09-21 | Open-market buy | 1,300 | $10.12 | 157,391,843 |
| 2015-09-21 | Open-market buy | 1,800 | $10.13 | 157,393,643 |
| 2015-09-21 | Open-market buy | 1,800 | $10.14 | 157,395,443 |
| 2015-09-21 | Open-market buy | 3,600 | $9.95 | 157,377,443 |
| 2015-09-18 | Open-market buy | 800 | $10.37 | 157,358,443 |
| 2015-09-18 | Open-market buy | 100 | $10.39 | 157,363,043 |
| 2015-09-18 | Open-market buy | 3,800 | $10.38 | 157,362,943 |
| 2015-09-18 | Open-market buy | 700 | $10.38 | 157,359,143 |
| 2015-09-18 | Open-market buy | 1,800 | $10.40 | 157,364,843 |
| 2015-09-18 | Open-market buy | 1,800 | $10.47 | 157,370,243 |
| 2015-09-18 | Open-market buy | 1,800 | $10.45 | 157,368,443 |
| 2015-09-18 | Open-market buy | 1,800 | $10.43 | 157,366,643 |
| 2015-09-17 | Open-market buy | 332 | $10.49 | 157,357,643 |
| 2015-09-17 | Open-market buy | 1,468 | $10.48 | 157,357,311 |
| 2015-09-17 | Open-market buy | 1,100 | $10.32 | 157,355,843 |
| 2015-09-17 | Open-market buy | 700 | $10.31 | 157,354,743 |
| 2015-09-17 | Open-market buy | 100 | $10.23 | 157,354,043 |
| 2015-09-17 | Open-market buy | 1,700 | $10.22 | 157,353,943 |
| 2015-09-16 | Open-market buy | 500 | $10.23 | 157,351,943 |
| 2015-09-16 | Open-market buy | 3,500 | $10.21 | 157,351,443 |
| 2015-09-16 | Open-market buy | 3,400 | $10.20 | 157,347,943 |
| 2015-09-16 | Open-market buy | 1,600 | $10.19 | 157,344,543 |
| 2015-09-16 | Open-market buy | 400 | $10.19 | 157,342,943 |
| 2015-09-16 | Open-market buy | 3,300 | $10.17 | 157,342,543 |
| 2015-09-16 | Open-market buy | 1,000 | $10.16 | 157,339,243 |
| 2015-09-16 | Open-market buy | 2,300 | $10.15 | 157,338,243 |
| 2015-09-16 | Open-market buy | 9,300 | $10.14 | 157,335,943 |
| 2015-09-16 | Open-market buy | 1,700 | $10.14 | 157,326,643 |
| 2015-09-16 | Open-market buy | 500 | $10.13 | 157,324,943 |
| 2015-09-16 | Open-market buy | 300 | $10.25 | 157,352,243 |
| 2015-09-16 | Open-market buy | 3,800 | $10.10 | 157,324,443 |
| 2015-09-16 | Open-market buy | 800 | $10.10 | 157,320,643 |
| 2015-09-14 | Open-market buy | 10,000 | $10.03 | 157,319,843 |
| 2015-09-14 | Open-market buy | 5,000 | $10.02 | 157,309,843 |
| 2015-09-11 | Open-market buy | 110,600 | $10.03 | 157,304,843 |
| 2015-09-09 | Open-market buy | 1,000 | $10.48 | 157,178,243 |
| 2015-09-09 | Open-market buy | 400 | $10.29 | 157,167,443 |
| 2015-09-09 | Open-market buy | 1,000 | $10.59 | 157,191,443 |
| 2015-09-09 | Open-market buy | 6,200 | $10.56 | 157,190,443 |
| 2015-09-09 | Open-market buy | 1,000 | $10.53 | 157,184,243 |
| 2015-09-09 | Open-market buy | 3,500 | $10.51 | 157,183,243 |
| 2015-09-09 | Open-market buy | 500 | $10.50 | 157,179,743 |
| 2015-09-09 | Open-market buy | 1,000 | $10.49 | 157,179,243 |
| 2015-09-09 | Open-market buy | 2,800 | $10.59 | 157,194,243 |
| 2015-09-09 | Open-market buy | 1,800 | $10.46 | 157,177,243 |
| 2015-09-09 | Open-market buy | 1,500 | $10.31 | 157,175,443 |
| 2015-09-09 | Open-market buy | 300 | $10.31 | 157,173,943 |
| 2015-09-09 | Open-market buy | 6,200 | $10.29 | 157,173,643 |
| 2015-09-08 | Open-market buy | 3,600 | $10.73 | 157,167,043 |
| 2015-09-08 | Open-market buy | 1,800 | $10.50 | 157,161,643 |
| 2015-09-08 | Open-market buy | 1,800 | $10.59 | 157,163,443 |
| 2015-09-04 | Open-market buy | 300 | $10.72 | 157,158,043 |
| 2015-09-04 | Open-market buy | 1,900 | $10.67 | 157,152,643 |
| 2015-09-04 | Open-market buy | 1,600 | $10.66 | 157,150,743 |
| 2015-09-04 | Open-market buy | 100 | $10.66 | 157,149,143 |
| 2015-09-04 | Open-market buy | 1,800 | $10.63 | 157,149,043 |
| 2015-09-04 | Open-market buy | 1,800 | $10.61 | 157,147,243 |
| 2015-09-04 | Open-market buy | 3,000 | $10.69 | 157,155,643 |
| 2015-09-04 | Open-market buy | 600 | $10.70 | 157,156,243 |
| 2015-09-04 | Open-market buy | 1,500 | $10.71 | 157,157,743 |
| 2015-09-04 | Open-market buy | 1,700 | $10.59 | 157,145,443 |
| 2015-09-04 | Open-market buy | 100 | $10.59 | 157,143,743 |
| 2015-09-04 | Open-market buy | 300 | $10.81 | 157,159,843 |
| 2015-09-04 | Open-market buy | 1,400 | $10.79 | 157,159,543 |
| 2015-09-04 | Open-market buy | 100 | $10.79 | 157,158,143 |
| 2015-09-03 | Open-market buy | 1,600 | $10.93 | 157,138,243 |
| 2015-09-03 | Open-market buy | 1,800 | $10.95 | 157,140,043 |
| 2015-09-03 | Open-market buy | 3,600 | $11.00 | 157,143,643 |
| 2015-09-03 | Open-market buy | 200 | $10.93 | 157,136,643 |
| 2015-09-03 | Open-market buy | 1,800 | $10.91 | 157,136,443 |
| 2015-08-31 | Open-market buy | 73,200 | $10.83 | 157,134,643 |
| 2015-08-28 | Open-market buy | 1,800 | $11.30 | 157,056,043 |
| 2015-08-28 | Open-market buy | 39 | $11.09 | 157,048,882 |
| 2015-08-28 | Open-market buy | 1,800 | $11.44 | 157,061,443 |
| 2015-08-28 | Open-market buy | 1,800 | $11.40 | 157,059,643 |
| 2015-08-28 | Open-market buy | 1,000 | $11.38 | 157,057,843 |
| 2015-08-28 | Open-market buy | 800 | $11.37 | 157,056,843 |
| 2015-08-28 | Open-market buy | 600 | $11.26 | 157,054,243 |
| 2015-08-28 | Open-market buy | 1,200 | $11.26 | 157,053,643 |
| 2015-08-28 | Open-market buy | 1,800 | $11.25 | 157,052,443 |
| 2015-08-28 | Open-market buy | 1,461 | $11.23 | 157,050,643 |
| 2015-08-28 | Open-market buy | 300 | $11.22 | 157,049,182 |
| 2015-08-27 | Open-market buy | 500 | $11.15 | 157,047,843 |
| 2015-08-27 | Open-market buy | 550 | $10.96 | 157,003,593 |
| 2015-08-27 | Open-market buy | 500 | $11.17 | 157,048,343 |
| 2015-08-27 | Open-market buy | 4,800 | $11.13 | 157,047,343 |
| 2015-08-27 | Open-market buy | 200 | $11.13 | 157,042,543 |
| 2015-08-27 | Open-market buy | 3,800 | $11.12 | 157,042,343 |
| 2015-08-27 | Open-market buy | 800 | $11.11 | 157,038,543 |
| 2015-08-27 | Open-market buy | 1,600 | $11.10 | 157,037,743 |
| 2015-08-27 | Open-market buy | 2,500 | $11.09 | 157,036,143 |
| 2015-08-27 | Open-market buy | 1,500 | $11.08 | 157,033,643 |
| 2015-08-27 | Open-market buy | 1,500 | $11.07 | 157,032,143 |
| 2015-08-27 | Open-market buy | 1,500 | $11.06 | 157,030,643 |
| 2015-08-27 | Open-market buy | 500 | $11.05 | 157,029,143 |
| 2015-08-27 | Open-market buy | 6,344 | $11.04 | 157,028,643 |
| 2015-08-27 | Open-market buy | 6,356 | $11.03 | 157,022,299 |
| 2015-08-27 | Open-market buy | 200 | $11.03 | 157,015,943 |
| 2015-08-27 | Open-market buy | 500 | $11.02 | 157,015,743 |
| 2015-08-27 | Open-market buy | 3,300 | $11.01 | 157,015,243 |
| 2015-08-27 | Open-market buy | 3,100 | $11.00 | 157,011,943 |
| 2015-08-27 | Open-market buy | 3,300 | $10.99 | 157,008,843 |
| 2015-08-27 | Open-market buy | 1,000 | $10.98 | 157,005,543 |
| 2015-08-27 | Open-market buy | 500 | $10.97 | 157,004,543 |
| 2015-08-27 | Open-market buy | 450 | $10.97 | 157,004,043 |
| 2015-08-27 | Open-market buy | 500 | $11.24 | 157,048,843 |
| 2015-08-27 | Open-market buy | 1,000 | $10.94 | 157,003,043 |
| 2015-08-24 | Open-market buy | 49,600 | $11.51 | 157,002,043 |
| 2015-08-24 | Open-market buy | 174,000 | $10.85 | 156,952,443 |
| 2015-08-21 | Open-market buy | 185,000 | $12.24 | 156,778,443 |
| 2015-08-20 | Open-market buy | 544,000 | $12.32 | 156,559,068 |
| 2015-08-20 | Grant / award | 34,375 | — | 156,593,443 |
| 2015-08-07 | Option exercise (derivative) | 100,000 | $0.00 | 300,000 |
| 2015-08-07 | Option exercise (derivative) | 54,730 | $0.00 | 0 |
| 2015-08-07 | Option exercise (derivative) | 250,000 | $0.00 | 250,000 |
| 2015-08-07 | Option exercise | 54,730 | $5.50 | 2,429,607 |
| 2015-08-07 | Option exercise | 250,000 | $7.61 | 2,374,877 |
| 2015-08-07 | Option exercise | 100,000 | $8.37 | 3,068,951 |
| 2015-08-07 | Option exercise | 539,344 | $4.77 | 2,968,951 |
| 2015-08-07 | Option exercise | 112,500 | $2.36 | 2,124,877 |
| 2015-08-06 | Conversion (derivative) | — | $0.00 | 0 |
| 2015-08-06 | Conversion | 1,049,971 | $7.07 | 156,015,068 |
| 2015-07-08 | Open-market buy | 600 | $16.56 | 154,962,097 |
| 2015-07-08 | Open-market buy | 100 | $16.58 | 154,963,297 |
| 2015-07-08 | Open-market buy | 1,100 | $16.57 | 154,963,197 |
| 2015-07-08 | Open-market buy | 1,800 | $16.67 | 154,965,097 |
| 2015-07-08 | Open-market buy | 1,800 | $16.52 | 154,961,497 |
| 2015-07-08 | Open-market buy | 600 | $16.47 | 154,959,697 |
| 2015-07-08 | Open-market buy | 1,200 | $16.46 | 154,959,097 |
| 2015-07-07 | Open-market buy | 1,800 | $16.65 | 154,956,097 |
| 2015-07-07 | Open-market buy | 1,800 | $16.52 | 154,954,297 |
| 2015-07-07 | Open-market buy | 1,800 | $16.74 | 154,957,897 |
| 2015-07-06 | Open-market buy | 142 | $16.06 | 154,950,589 |
| 2015-07-06 | Open-market buy | 558 | $16.04 | 154,950,447 |
| 2015-07-06 | Open-market buy | 587 | $16.03 | 154,949,889 |
| 2015-07-06 | Open-market buy | 405 | $16.02 | 154,949,302 |
| 2015-07-06 | Open-market buy | 840 | $16.09 | 154,951,537 |
| 2015-07-06 | Open-market buy | 500 | $16.12 | 154,952,037 |
| 2015-07-06 | Open-market buy | 460 | $16.13 | 154,952,497 |
| 2015-07-06 | Open-market buy | 108 | $16.07 | 154,950,697 |
| 2015-07-02 | Open-market buy | 1,800 | $16.11 | 154,945,297 |
| 2015-07-02 | Open-market buy | 1,310 | $16.23 | 154,948,897 |
| 2015-07-02 | Open-market buy | 200 | $16.10 | 154,941,897 |
| 2015-07-02 | Open-market buy | 1,600 | $16.10 | 154,943,497 |
| 2015-07-02 | Open-market buy | 1,800 | $16.05 | 154,941,697 |
| 2015-07-02 | Open-market buy | 1,800 | $16.16 | 154,947,097 |
| 2015-07-02 | Open-market buy | 490 | $16.23 | 154,947,587 |
| 2015-06-29 | Open-market buy | 1,600 | $15.70 | 154,939,697 |
| 2015-06-29 | Open-market buy | 1,200 | $15.48 | 154,933,897 |
| 2015-06-29 | Open-market buy | 200 | $15.71 | 154,939,897 |
| 2015-06-29 | Open-market buy | 1,800 | $15.67 | 154,938,097 |
| 2015-06-29 | Open-market buy | 1,800 | $15.63 | 154,936,297 |
| 2015-06-29 | Open-market buy | 400 | $15.49 | 154,934,497 |
| 2015-06-29 | Open-market buy | 200 | $15.49 | 154,934,097 |
| 2015-06-26 | Open-market buy | 1,500 | $16.03 | 154,930,897 |
| 2015-06-26 | Open-market buy | 332 | $16.18 | 154,932,029 |
| 2015-06-26 | Open-market buy | 100 | $16.14 | 154,931,697 |
| 2015-06-26 | Open-market buy | 700 | $16.09 | 154,931,597 |
| 2015-06-26 | Open-market buy | 668 | $16.39 | 154,932,697 |
| 2015-06-26 | Open-market buy | 300 | $16.03 | 154,929,397 |
| 2015-06-26 | Open-market buy | 59 | $15.97 | 154,929,097 |
| 2015-06-26 | Open-market buy | 200 | $15.97 | 154,929,038 |
| 2015-06-26 | Open-market buy | 1,541 | $15.96 | 154,928,838 |
| 2015-06-25 | Open-market buy | 200 | $15.46 | 154,927,297 |
| 2015-06-25 | Open-market buy | 1,800 | $15.24 | 154,921,897 |
| 2015-06-25 | Open-market buy | 1,800 | $15.41 | 154,923,697 |
| 2015-06-25 | Open-market buy | 1,800 | $15.44 | 154,925,497 |
| 2015-06-25 | Open-market buy | 1,600 | $15.45 | 154,927,097 |
| 2015-06-24 | Open-market buy | 100 | $15.31 | 154,892,397 |
| 2015-06-24 | Open-market buy | 3,700 | $15.31 | 154,896,097 |
| 2015-06-24 | Open-market buy | 500 | $15.37 | 154,896,597 |
| 2015-06-24 | Open-market buy | 1,600 | $15.38 | 154,898,197 |
| 2015-06-24 | Open-market buy | 2,300 | $15.39 | 154,900,497 |
| 2015-06-24 | Open-market buy | 2,900 | $15.40 | 154,903,397 |
| 2015-06-24 | Open-market buy | 2,100 | $15.30 | 154,892,297 |
| 2015-06-24 | Open-market buy | 800 | $15.28 | 154,890,197 |
| 2015-06-24 | Open-market buy | 600 | $15.27 | 154,889,397 |
| 2015-06-24 | Open-market buy | 3,613 | $15.26 | 154,888,797 |
| 2015-06-24 | Open-market buy | 2,987 | $15.25 | 154,885,184 |
| 2015-06-24 | Open-market buy | 17,200 | $15.24 | 154,882,197 |
| 2015-06-24 | Open-market buy | 300 | $15.24 | 154,864,997 |
| 2015-06-24 | Open-market buy | 1,800 | $15.23 | 154,864,697 |
| 2015-06-24 | Open-market buy | 1,500 | $15.50 | 154,920,097 |
| 2015-06-24 | Open-market buy | 1,800 | $15.48 | 154,918,597 |
| 2015-06-24 | Open-market buy | 300 | $15.47 | 154,916,797 |
| 2015-06-24 | Open-market buy | 1,800 | $15.46 | 154,916,497 |
| 2015-06-24 | Open-market buy | 2,300 | $15.45 | 154,914,697 |
| 2015-06-24 | Open-market buy | 2,100 | $15.44 | 154,912,397 |
| 2015-06-24 | Open-market buy | 3,100 | $15.43 | 154,910,297 |
| 2015-06-24 | Open-market buy | 3,800 | $15.41 | 154,907,197 |
| 2015-06-23 | Open-market buy | 3,000 | $15.60 | 154,860,497 |
| 2015-06-23 | Open-market buy | 600 | $15.61 | 154,861,097 |
| 2015-06-23 | Open-market buy | 1,800 | $15.64 | 154,862,897 |
| 2015-06-23 | Open-market buy | 2,200 | $15.59 | 154,857,497 |
| 2015-06-23 | Open-market buy | 1,400 | $15.58 | 154,855,297 |
| 2015-06-22 | Open-market buy | 1,800 | $15.59 | 154,846,697 |
| 2015-06-22 | Open-market buy | 2,250 | $15.53 | 154,844,897 |
| 2015-06-22 | Open-market buy | 1,350 | $15.52 | 154,842,647 |
| 2015-06-22 | Open-market buy | 400 | $15.51 | 154,841,297 |
| 2015-06-22 | Open-market buy | 1,400 | $15.50 | 154,840,897 |
| 2015-06-22 | Open-market buy | 1,313 | $15.46 | 154,839,010 |
| 2015-06-22 | Open-market buy | 94 | $15.45 | 154,837,697 |
| 2015-06-22 | Open-market buy | 1,706 | $15.44 | 154,837,603 |
| 2015-06-22 | Open-market buy | 100 | $15.43 | 154,835,897 |
| 2015-06-22 | Open-market buy | 1,700 | $15.42 | 154,835,797 |
| 2015-06-22 | Open-market buy | 3,600 | $15.40 | 154,834,097 |
| 2015-06-22 | Open-market buy | 1,400 | $15.64 | 154,848,097 |
| 2015-06-22 | Open-market buy | 5,600 | $15.65 | 154,853,697 |
| 2015-06-22 | Open-market buy | 200 | $15.66 | 154,853,897 |
| 2015-06-22 | Open-market buy | 487 | $15.47 | 154,839,497 |
| 2015-06-19 | Open-market buy | 3,100 | $15.34 | 154,829,997 |
| 2015-06-19 | Open-market buy | 300 | $15.33 | 154,826,897 |
| 2015-06-19 | Open-market buy | 1,500 | $15.32 | 154,826,597 |
| 2015-06-19 | Open-market buy | 500 | $15.35 | 154,830,497 |
| 2015-06-19 | Open-market buy | 1,200 | $15.31 | 154,825,097 |
| 2015-06-19 | Open-market buy | 600 | $15.31 | 154,823,897 |
| 2015-06-17 | Open-market buy | 800 | $15.34 | 154,813,314 |
| 2015-06-17 | Open-market buy | 1,200 | $15.41 | 154,823,297 |
| 2015-06-17 | Open-market buy | 2,500 | $15.40 | 154,822,097 |
| 2015-06-17 | Open-market buy | 1,300 | $15.38 | 154,819,597 |
| 2015-06-17 | Open-market buy | 4,683 | $15.35 | 154,818,297 |
| 2015-06-17 | Open-market buy | 300 | $15.35 | 154,813,614 |
| 2015-06-17 | Open-market buy | 2,717 | $15.33 | 154,812,514 |
| 2015-06-17 | Open-market buy | 100 | $15.33 | 154,809,797 |
| 2015-06-17 | Open-market buy | 1,800 | $15.27 | 154,809,697 |
| 2015-06-16 | Open-market buy | 100 | $15.36 | 154,797,997 |
| 2015-06-16 | Open-market buy | 6,892 | $15.36 | 154,804,889 |
| 2015-06-16 | Open-market buy | 300 | $15.37 | 154,805,189 |
| 2015-06-16 | Open-market buy | 2,708 | $15.37 | 154,807,897 |
| 2015-06-12 | Open-market buy | 200 | $15.51 | 154,788,097 |
| 2015-06-12 | Open-market buy | 9,800 | $15.51 | 154,797,897 |
| 2015-06-09 | Open-market buy | 100 | $15.93 | 154,776,597 |
| 2015-06-09 | Open-market buy | 3,600 | $15.92 | 154,776,497 |
| 2015-06-09 | Open-market buy | 1,300 | $15.93 | 154,777,897 |
| 2015-06-09 | Open-market buy | 3,385 | $15.96 | 154,781,282 |
| 2015-06-09 | Open-market buy | 6,615 | $15.97 | 154,787,897 |
| 2015-05-13 | Open-market buy | 500 | $15.70 | 154,772,897 |
| 2015-05-13 | Open-market buy | 500 | $15.55 | 154,768,897 |
| 2015-05-13 | Open-market buy | 500 | $15.50 | 154,768,397 |
| 2015-05-13 | Open-market buy | 500 | $15.30 | 154,767,897 |
| 2015-05-13 | Open-market buy | 500 | $14.99 | 154,767,397 |
| 2015-05-13 | Open-market buy | 500 | $15.58 | 154,769,397 |
| 2015-05-13 | Open-market buy | 900 | $15.68 | 154,772,397 |
| 2015-05-13 | Open-market buy | 100 | $15.68 | 154,771,497 |
| 2015-05-13 | Open-market buy | 1,000 | $15.67 | 154,771,397 |
| 2015-05-13 | Open-market buy | 600 | $15.66 | 154,770,397 |
| 2015-05-13 | Open-market buy | 400 | $15.66 | 154,769,797 |
| 2015-05-12 | Open-market buy | 700 | $14.77 | 154,762,897 |
| 2015-05-12 | Open-market buy | 200 | $14.84 | 154,766,397 |
| 2015-05-12 | Open-market buy | 1,300 | $14.84 | 154,766,197 |
| 2015-05-12 | Open-market buy | 1,600 | $14.82 | 154,764,897 |
| 2015-05-12 | Open-market buy | 400 | $14.82 | 154,763,297 |
| 2015-05-12 | Open-market buy | 500 | $14.85 | 154,766,897 |
| 2015-05-12 | Open-market buy | 300 | $14.77 | 154,762,197 |
| 2015-05-12 | Open-market buy | 500 | $14.75 | 154,761,897 |
| 2015-05-12 | Open-market buy | 400 | $14.15 | 154,761,397 |
| 2015-05-12 | Open-market buy | 100 | $14.15 | 154,760,997 |
| 2015-05-11 | Open-market buy | 200 | $14.31 | 154,759,597 |
| 2015-05-11 | Open-market buy | 300 | $14.37 | 154,760,197 |
| 2015-05-11 | Open-market buy | 300 | $14.31 | 154,759,897 |
| 2015-05-11 | Open-market buy | 700 | $14.38 | 154,760,897 |
| 2015-05-11 | Open-market buy | 2,200 | $14.30 | 154,759,397 |
| 2015-05-11 | Open-market buy | 1,800 | $14.28 | 154,757,197 |
| 2015-05-11 | Open-market buy | 500 | $14.26 | 154,755,397 |
| 2015-05-08 | Open-market buy | 400 | $14.15 | 154,749,897 |
| 2015-05-08 | Open-market buy | 1,800 | $14.16 | 154,753,097 |
| 2015-05-08 | Open-market buy | 600 | $14.15 | 154,751,297 |
| 2015-05-08 | Open-market buy | 800 | $14.15 | 154,750,697 |
| 2015-05-08 | Open-market buy | 1,800 | $14.20 | 154,754,897 |
| 2015-05-08 | Open-market buy | 1,700 | $14.11 | 154,749,497 |
| 2015-05-08 | Open-market buy | 100 | $14.11 | 154,747,797 |
| 2015-05-08 | Open-market buy | 400 | $14.09 | 154,747,697 |
| 2015-05-08 | Open-market buy | 1,400 | $14.09 | 154,747,297 |
| 2015-05-07 | Open-market buy | 900 | $14.01 | 154,739,597 |
| 2015-05-07 | Open-market buy | 900 | $14.01 | 154,740,497 |
| 2015-05-07 | Open-market buy | 2,500 | $14.10 | 154,742,997 |
| 2015-05-07 | Open-market buy | 1,100 | $14.10 | 154,744,097 |
| 2015-05-07 | Open-market buy | 300 | $14.13 | 154,744,397 |
| 2015-05-07 | Open-market buy | 100 | $14.13 | 154,744,497 |
| 2015-05-07 | Open-market buy | 1,400 | $14.13 | 154,745,897 |
| 2015-05-07 | Open-market buy | 1,800 | $13.96 | 154,738,697 |
| 2015-05-06 | Open-market buy | 900 | $13.89 | 154,731,497 |
| 2015-05-06 | Open-market buy | 100 | $14.01 | 154,734,197 |
| 2015-05-06 | Open-market buy | 800 | $14.00 | 154,734,097 |
| 2015-05-06 | Open-market buy | 1,800 | $13.95 | 154,733,297 |
| 2015-05-06 | Open-market buy | 2,700 | $14.01 | 154,736,897 |
| 2015-05-06 | Open-market buy | 4,500 | $13.88 | 154,730,597 |
| 2015-05-06 | Open-market buy | 1,500 | $13.87 | 154,726,097 |
| 2015-05-06 | Open-market buy | 300 | $13.87 | 154,724,597 |
| 2015-05-05 | Open-market buy | 1,000 | $13.91 | 154,720,697 |
| 2015-05-05 | Open-market buy | 1,800 | $13.87 | 154,717,097 |
| 2015-05-05 | Open-market buy | 1,100 | $14.01 | 154,724,197 |
| 2015-05-05 | Open-market buy | 200 | $14.01 | 154,723,097 |
| 2015-05-05 | Open-market buy | 2,000 | $14.00 | 154,722,897 |
| 2015-05-05 | Open-market buy | 200 | $14.00 | 154,720,897 |
| 2015-05-05 | Open-market buy | 100 | $14.02 | 154,724,297 |
| 2015-05-05 | Open-market buy | 800 | $13.91 | 154,719,697 |
| 2015-05-05 | Open-market buy | 1,800 | $13.88 | 154,718,897 |
| 2015-05-04 | Open-market buy | 650 | $14.28 | 154,712,347 |
| 2015-05-04 | Open-market buy | 2,950 | $14.28 | 154,715,297 |
| 2015-05-04 | Open-market buy | 3,600 | $14.27 | 154,711,697 |
| 2015-05-01 | Open-market buy | 200 | $14.03 | 154,704,997 |
| 2015-05-01 | Open-market buy | 600 | $14.01 | 154,701,997 |
| 2015-05-01 | Open-market buy | 700 | $14.06 | 154,708,097 |
| 2015-05-01 | Open-market buy | 600 | $14.06 | 154,707,397 |
| 2015-05-01 | Open-market buy | 1,800 | $14.05 | 154,706,797 |
| 2015-05-01 | Open-market buy | 1,600 | $14.03 | 154,704,797 |
| 2015-05-01 | Open-market buy | 1,200 | $14.01 | 154,703,197 |
| 2015-04-30 | Open-market buy | 31,300 | $13.95 | 154,701,397 |
| 2015-04-29 | Open-market buy | 1,800 | $14.34 | 154,659,797 |
| 2015-04-29 | Open-market buy | 800 | $14.31 | 154,656,997 |
| 2015-04-29 | Open-market buy | 400 | $14.30 | 154,656,197 |
| 2015-04-29 | Open-market buy | 1,100 | $14.27 | 154,655,797 |
| 2015-04-29 | Open-market buy | 100 | $14.27 | 154,654,697 |
| 2015-04-29 | Open-market buy | 450 | $14.52 | 154,670,097 |
| 2015-04-29 | Open-market buy | 750 | $14.51 | 154,669,647 |
| 2015-04-29 | Open-market buy | 100 | $14.40 | 154,668,897 |
| 2015-04-29 | Open-market buy | 2,290 | $14.39 | 154,668,797 |
| 2015-04-29 | Open-market buy | 1,900 | $14.38 | 154,666,507 |
| 2015-04-29 | Open-market buy | 300 | $14.38 | 154,664,607 |
| 2015-04-29 | Open-market buy | 3,100 | $14.37 | 154,664,307 |
| 2015-04-29 | Open-market buy | 1,000 | $14.37 | 154,661,207 |
| 2015-04-29 | Open-market buy | 410 | $14.35 | 154,660,207 |
| 2015-04-29 | Open-market buy | 300 | $14.33 | 154,657,297 |
| 2015-04-29 | Open-market buy | 700 | $14.34 | 154,657,997 |
| 2015-04-28 | Open-market buy | 200 | $14.57 | 154,653,597 |
| 2015-04-28 | Open-market buy | 1,200 | $14.26 | 154,647,797 |
| 2015-04-28 | Open-market buy | 700 | $14.27 | 154,648,497 |
| 2015-04-28 | Open-market buy | 500 | $14.28 | 154,648,997 |
| 2015-04-28 | Open-market buy | 132 | $14.50 | 154,649,129 |
| 2015-04-28 | Open-market buy | 2,500 | $14.51 | 154,651,629 |
| 2015-04-28 | Open-market buy | 200 | $14.63 | 154,654,597 |
| 2015-04-28 | Open-market buy | 800 | $14.62 | 154,654,397 |
| 2015-04-28 | Open-market buy | 1,768 | $14.52 | 154,653,397 |
| 2015-04-27 | Open-market buy | 1,000 | $14.40 | 154,642,897 |
| 2015-04-27 | Open-market buy | 700 | $14.63 | 154,644,897 |
| 2015-04-27 | Open-market buy | 300 | $14.52 | 154,644,197 |
| 2015-04-27 | Open-market buy | 800 | $14.51 | 154,643,897 |
| 2015-04-27 | Open-market buy | 100 | $14.51 | 154,643,097 |
| 2015-04-27 | Open-market buy | 100 | $14.40 | 154,642,997 |
| 2015-04-27 | Open-market buy | 500 | $14.63 | 154,645,397 |
| 2015-04-27 | Open-market buy | 1,500 | $14.39 | 154,641,897 |
| 2015-04-27 | Open-market buy | 2,500 | $14.37 | 154,640,397 |
| 2015-04-27 | Open-market buy | 100 | $14.37 | 154,637,897 |
| 2015-04-27 | Open-market buy | 500 | $14.68 | 154,646,597 |
| 2015-04-27 | Open-market buy | 700 | $14.67 | 154,646,097 |
| 2015-04-24 | Open-market buy | 200 | $14.79 | 154,634,797 |
| 2015-04-24 | Open-market buy | 600 | $14.81 | 154,635,397 |
| 2015-04-24 | Open-market buy | 2,400 | $14.81 | 154,637,797 |
| 2015-04-24 | Open-market buy | 900 | $14.79 | 154,634,597 |
| 2015-04-21 | Open-market buy | 600 | $14.26 | 154,629,397 |
| 2015-04-21 | Open-market buy | 500 | $14.31 | 154,630,597 |
| 2015-04-21 | Open-market buy | 700 | $14.27 | 154,630,097 |
| 2015-04-21 | Open-market buy | 2,790 | $14.33 | 154,633,387 |
| 2015-04-21 | Open-market buy | 800 | $14.25 | 154,628,797 |
| 2015-04-21 | Open-market buy | 310 | $14.34 | 154,633,697 |
| 2015-04-17 | Open-market buy | 1,500 | $14.26 | 154,611,797 |
| 2015-04-17 | Open-market buy | 300 | $14.26 | 154,610,297 |
| 2015-04-17 | Open-market buy | 100 | $14.25 | 154,609,997 |
| 2015-04-17 | Open-market buy | 1,700 | $14.24 | 154,609,897 |
| 2015-04-17 | Open-market buy | 1,600 | $14.30 | 154,621,997 |
| 2015-04-17 | Open-market buy | 2,800 | $14.33 | 154,627,997 |
| 2015-04-17 | Open-market buy | 600 | $14.33 | 154,625,197 |
| 2015-04-17 | Open-market buy | 100 | $14.33 | 154,624,597 |
| 2015-04-17 | Open-market buy | 1,200 | $14.32 | 154,624,497 |
| 2015-04-17 | Open-market buy | 100 | $14.32 | 154,623,297 |
| 2015-04-17 | Open-market buy | 300 | $14.31 | 154,623,197 |
| 2015-04-17 | Open-market buy | 200 | $14.28 | 154,612,997 |
| 2015-04-17 | Open-market buy | 600 | $14.28 | 154,613,597 |
| 2015-04-17 | Open-market buy | 300 | $14.29 | 154,613,897 |
| 2015-04-17 | Open-market buy | 6,500 | $14.29 | 154,620,397 |
| 2015-04-17 | Open-market buy | 1,000 | $14.28 | 154,612,797 |
| 2015-04-17 | Open-market buy | 900 | $14.30 | 154,622,897 |
| 2015-04-16 | Open-market buy | 1,100 | $14.62 | 154,600,997 |
| 2015-04-16 | Open-market buy | 4,809 | $14.64 | 154,607,106 |
| 2015-04-16 | Open-market buy | 1,000 | $14.64 | 154,602,297 |
| 2015-04-16 | Open-market buy | 300 | $14.63 | 154,601,297 |
| 2015-04-16 | Open-market buy | 1,091 | $14.65 | 154,608,197 |
| 2015-04-16 | Open-market buy | 700 | $14.62 | 154,599,897 |
| 2015-04-16 | Open-market buy | 134 | $14.61 | 154,599,197 |
| 2015-04-16 | Open-market buy | 1,666 | $14.60 | 154,599,063 |
| 2015-04-10 | Open-market buy | 300 | $14.23 | 154,594,097 |
| 2015-04-10 | Open-market buy | 1,800 | $14.24 | 154,597,397 |
| 2015-04-10 | Open-market buy | 700 | $14.23 | 154,595,597 |
| 2015-04-10 | Open-market buy | 100 | $14.23 | 154,594,897 |
| 2015-04-10 | Open-market buy | 700 | $14.23 | 154,594,797 |
| 2015-04-10 | Open-market buy | 1,600 | $14.20 | 154,591,797 |
| 2015-04-10 | Open-market buy | 1,300 | $14.22 | 154,593,797 |
| 2015-04-10 | Open-market buy | 400 | $14.22 | 154,592,497 |
| 2015-04-10 | Open-market buy | 100 | $14.22 | 154,592,097 |
| 2015-04-10 | Open-market buy | 200 | $14.20 | 154,591,997 |
| 2015-04-09 | Open-market buy | 1,600 | $14.17 | 154,579,197 |
| 2015-04-09 | Open-market buy | 1,700 | $14.24 | 154,582,997 |
| 2015-04-09 | Open-market buy | 100 | $14.23 | 154,581,297 |
| 2015-04-09 | Open-market buy | 1,300 | $14.19 | 154,581,197 |
| 2015-04-09 | Open-market buy | 700 | $14.18 | 154,579,897 |
| 2015-04-09 | Open-market buy | 1,800 | $14.28 | 154,584,797 |
| 2015-04-09 | Open-market buy | 250 | $14.37 | 154,590,197 |
| 2015-04-09 | Open-market buy | 1,250 | $14.36 | 154,589,947 |
| 2015-04-09 | Open-market buy | 300 | $14.36 | 154,588,697 |
| 2015-04-09 | Open-market buy | 2,800 | $14.29 | 154,588,397 |
| 2015-04-09 | Open-market buy | 800 | $14.29 | 154,585,597 |
| 2015-04-08 | Open-market buy | 1,600 | $14.26 | 154,573,997 |
| 2015-04-08 | Open-market buy | 200 | $14.26 | 154,572,397 |
| 2015-04-08 | Open-market buy | 1,800 | $14.24 | 154,572,197 |
| 2015-04-08 | Open-market buy | 800 | $14.29 | 154,575,797 |
| 2015-04-08 | Open-market buy | 800 | $14.23 | 154,567,597 |
| 2015-04-08 | Open-market buy | 1,800 | $14.32 | 154,577,597 |
| 2015-04-08 | Open-market buy | 1,000 | $14.29 | 154,574,997 |
| 2015-04-08 | Open-market buy | 2,800 | $14.23 | 154,570,397 |
| 2015-04-07 | Open-market buy | 2,850 | $14.28 | 154,564,997 |
| 2015-04-07 | Open-market buy | 300 | $14.29 | 154,565,297 |
| 2015-04-07 | Open-market buy | 1,500 | $14.30 | 154,566,797 |
| 2015-04-07 | Open-market buy | 750 | $14.28 | 154,562,147 |
| 2015-04-06 | Open-market buy | 3,600 | $14.19 | 154,554,197 |
| 2015-04-06 | Open-market buy | 1,800 | $14.28 | 154,561,397 |
| 2015-04-06 | Open-market buy | 1,300 | $14.20 | 154,555,497 |
| 2015-04-06 | Open-market buy | 800 | $14.20 | 154,556,297 |
| 2015-04-06 | Open-market buy | 2,910 | $14.21 | 154,559,207 |
| 2015-04-06 | Open-market buy | 390 | $14.22 | 154,559,597 |
| 2015-04-02 | Open-market buy | 2,800 | $14.34 | 154,550,597 |
| 2015-04-02 | Open-market buy | 800 | $14.34 | 154,547,797 |
| 2015-04-01 | Open-market buy | 100 | $14.16 | 154,541,697 |
| 2015-04-01 | Open-market buy | 200 | $14.16 | 154,541,897 |
| 2015-04-01 | Open-market buy | 1,800 | $14.13 | 154,541,597 |
| 2015-04-01 | Open-market buy | 3,300 | $14.16 | 154,545,197 |
| 2015-04-01 | Open-market buy | 1,800 | $14.20 | 154,546,997 |
| 2015-04-01 | Open-market buy | 1,800 | $14.07 | 154,539,797 |
| 2015-03-31 | Open-market buy | 2,700 | $14.25 | 154,528,097 |
| 2015-03-31 | Open-market buy | 1,800 | $14.23 | 154,525,397 |
| 2015-03-31 | Open-market buy | 1,300 | $14.21 | 154,523,597 |
| 2015-03-31 | Open-market buy | 500 | $14.21 | 154,522,297 |
| 2015-03-31 | Open-market buy | 1,100 | $14.20 | 154,521,797 |
| 2015-03-31 | Open-market buy | 200 | $14.20 | 154,520,697 |
| 2015-03-31 | Open-market buy | 2,656 | $14.19 | 154,520,497 |
| 2015-03-31 | Open-market buy | 400 | $14.19 | 154,517,841 |
| 2015-03-31 | Open-market buy | 1,400 | $14.18 | 154,517,441 |
| 2015-03-31 | Open-market buy | 300 | $14.18 | 154,516,041 |
| 2015-03-31 | Open-market buy | 1,144 | $14.17 | 154,515,741 |
| 2015-03-31 | Open-market buy | 345 | $14.49 | 154,537,997 |
| 2015-03-31 | Open-market buy | 500 | $14.25 | 154,528,997 |
| 2015-03-31 | Open-market buy | 555 | $14.48 | 154,537,352 |
| 2015-03-31 | Open-market buy | 500 | $14.47 | 154,536,797 |
| 2015-03-31 | Open-market buy | 100 | $14.47 | 154,536,297 |
| 2015-03-31 | Open-market buy | 1,100 | $14.43 | 154,536,197 |
| 2015-03-31 | Open-market buy | 200 | $14.43 | 154,535,097 |
| 2015-03-31 | Open-market buy | 500 | $14.42 | 154,534,897 |
| 2015-03-31 | Open-market buy | 1,200 | $14.41 | 154,534,397 |
| 2015-03-31 | Open-market buy | 600 | $14.40 | 154,533,197 |
| 2015-03-31 | Open-market buy | 1,200 | $14.38 | 154,532,597 |
| 2015-03-31 | Open-market buy | 600 | $14.38 | 154,531,397 |
| 2015-03-31 | Open-market buy | 1,700 | $14.36 | 154,530,797 |
| 2015-03-31 | Open-market buy | 100 | $14.36 | 154,529,097 |
| 2015-03-31 | Open-market buy | 400 | $14.25 | 154,528,497 |
| 2015-03-31 | Open-market buy | 300 | $14.49 | 154,537,652 |
| 2015-03-25 | Open-market buy | 32,400 | $14.15 | 154,514,597 |
| 2015-03-20 | Open-market buy | 100 | $14.44 | 154,469,297 |
| 2015-03-20 | Open-market buy | 100 | $14.44 | 154,469,397 |
| 2015-03-20 | Open-market buy | 1,042 | $14.44 | 154,470,439 |
| 2015-03-20 | Open-market buy | 458 | $14.45 | 154,470,897 |
| 2015-03-20 | Open-market buy | 1,900 | $14.45 | 154,472,797 |
| 2015-03-20 | Open-market buy | 300 | $14.47 | 154,473,097 |
| 2015-03-20 | Open-market buy | 100 | $14.47 | 154,473,197 |
| 2015-03-20 | Open-market buy | 300 | $14.51 | 154,473,497 |
| 2015-03-20 | Open-market buy | 1,500 | $14.51 | 154,474,997 |
| 2015-03-20 | Open-market buy | 100 | $14.52 | 154,475,097 |
| 2015-03-20 | Open-market buy | 1,700 | $14.52 | 154,476,797 |
| 2015-03-20 | Open-market buy | 1,200 | $14.54 | 154,477,997 |
| 2015-03-20 | Open-market buy | 900 | $14.43 | 154,469,197 |
| 2015-03-20 | Open-market buy | 400 | $14.42 | 154,468,297 |
| 2015-03-20 | Open-market buy | 100 | $14.42 | 154,467,897 |
| 2015-03-20 | Open-market buy | 900 | $14.57 | 154,482,197 |
| 2015-03-20 | Open-market buy | 1,300 | $14.56 | 154,481,297 |
| 2015-03-20 | Open-market buy | 1,500 | $14.55 | 154,479,997 |
| 2015-03-20 | Open-market buy | 500 | $14.55 | 154,478,497 |
| 2015-03-18 | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2015-03-10 | Open-market buy | 1,755 | $13.79 | 154,465,997 |
| 2015-03-10 | Open-market buy | 1,000 | $13.79 | 154,464,242 |
| 2015-03-10 | Open-market buy | 1,800 | $14.00 | 154,467,797 |
| 2015-03-10 | Open-market buy | 745 | $13.77 | 154,463,142 |
| 2015-03-10 | Open-market buy | 100 | $13.78 | 154,463,242 |
| 2015-03-09 | Open-market buy | 2,400 | $13.97 | 154,458,797 |
| 2015-03-09 | Open-market buy | 100 | $14.07 | 154,460,697 |
| 2015-03-09 | Open-market buy | 100 | $14.02 | 154,460,597 |
| 2015-03-09 | Open-market buy | 1,600 | $14.01 | 154,460,497 |
| 2015-03-09 | Open-market buy | 100 | $14.01 | 154,458,897 |
| 2015-03-09 | Open-market buy | 1,700 | $14.07 | 154,462,397 |
| 2015-03-09 | Open-market buy | 1,200 | $13.97 | 154,456,397 |
| 2015-03-09 | Open-market buy | 1,800 | $13.94 | 154,455,197 |
| 2015-03-09 | Open-market buy | 1,700 | $13.93 | 154,453,397 |
| 2015-03-09 | Open-market buy | 100 | $13.93 | 154,451,697 |
| 2015-03-06 | Open-market buy | 1,800 | $14.12 | 154,442,597 |
| 2015-03-06 | Open-market buy | 1,800 | $14.10 | 154,440,797 |
| 2015-03-06 | Open-market buy | 1,000 | $14.13 | 154,443,597 |
| 2015-03-06 | Open-market buy | 1,800 | $14.14 | 154,445,397 |
| 2015-03-06 | Open-market buy | 800 | $14.15 | 154,446,197 |
| 2015-03-06 | Open-market buy | 683 | $14.25 | 154,451,597 |
| 2015-03-06 | Open-market buy | 1,617 | $14.24 | 154,450,914 |
| 2015-03-06 | Open-market buy | 1,300 | $14.22 | 154,449,297 |
| 2015-03-06 | Open-market buy | 700 | $14.21 | 154,447,997 |
| 2015-03-06 | Open-market buy | 400 | $14.20 | 154,447,297 |
| 2015-03-06 | Open-market buy | 700 | $14.19 | 154,446,897 |
| 2015-03-05 | Open-market buy | 100 | $14.38 | 154,438,997 |
| 2015-03-05 | Open-market buy | 1,200 | $14.38 | 154,438,897 |
| 2015-03-05 | Open-market buy | 500 | $14.38 | 154,437,697 |
| 2015-03-05 | Open-market buy | 1,098 | $14.33 | 154,437,197 |
| 2015-03-05 | Open-market buy | 702 | $14.32 | 154,436,099 |
| 2015-03-05 | Open-market buy | 1,700 | $14.31 | 154,435,397 |
| 2015-03-05 | Open-market buy | 100 | $14.31 | 154,433,697 |
| 2015-03-04 | Open-market buy | 2,659 | $14.35 | 154,429,997 |
| 2015-03-04 | Open-market buy | 100 | $14.32 | 154,422,897 |
| 2015-03-04 | Open-market buy | 3,600 | $14.36 | 154,433,597 |
| 2015-03-04 | Open-market buy | 200 | $14.34 | 154,425,897 |
| 2015-03-04 | Open-market buy | 741 | $14.35 | 154,427,338 |
| 2015-03-04 | Open-market buy | 1,100 | $14.33 | 154,425,697 |
| 2015-03-04 | Open-market buy | 1,700 | $14.32 | 154,424,597 |
| 2015-03-04 | Open-market buy | 500 | $14.34 | 154,426,397 |
| 2015-03-04 | Open-market buy | 200 | $14.35 | 154,426,597 |
| 2015-03-03 | Open-market buy | 1,500 | $14.13 | 154,417,997 |
| 2015-03-03 | Open-market buy | 100 | $14.13 | 154,416,497 |
| 2015-03-03 | Open-market buy | 2,200 | $14.12 | 154,416,397 |
| 2015-03-03 | Open-market buy | 1,240 | $14.08 | 154,414,197 |
| 2015-03-03 | Open-market buy | 5,660 | $14.07 | 154,412,957 |
| 2015-03-03 | Open-market buy | 800 | $14.02 | 154,407,297 |
| 2015-03-03 | Open-market buy | 100 | $14.02 | 154,406,497 |
| 2015-03-03 | Open-market buy | 1,800 | $13.98 | 154,406,397 |
| 2015-03-03 | Open-market buy | 1,100 | $14.35 | 154,422,797 |
| 2015-03-03 | Open-market buy | 700 | $14.35 | 154,421,697 |
| 2015-03-03 | Open-market buy | 1,700 | $14.20 | 154,420,997 |
| 2015-03-03 | Open-market buy | 100 | $14.20 | 154,419,297 |
| 2015-03-03 | Open-market buy | 1,200 | $14.14 | 154,419,197 |
| 2015-03-02 | Open-market buy | 700 | $14.06 | 154,388,897 |
| 2015-03-02 | Open-market buy | 1,900 | $14.05 | 154,388,197 |
| 2015-03-02 | Open-market buy | 2,400 | $13.95 | 154,386,297 |
| 2015-03-02 | Open-market buy | 100 | $13.95 | 154,383,897 |
| 2015-03-02 | Open-market buy | 280 | $13.94 | 154,383,797 |
| 2015-03-02 | Open-market buy | 4,200 | $13.93 | 154,383,517 |
| 2015-03-02 | Open-market buy | 100 | $13.92 | 154,379,317 |
| 2015-03-02 | Open-market buy | 2,920 | $13.89 | 154,379,217 |
| 2015-03-02 | Open-market buy | 1,000 | $13.88 | 154,376,297 |
| 2015-03-02 | Open-market buy | 4,800 | $13.82 | 154,375,297 |
| 2015-03-02 | Open-market buy | 1,706 | $14.34 | 154,399,703 |
| 2015-03-02 | Open-market buy | 3,100 | $13.77 | 154,370,397 |
| 2015-03-02 | Open-market buy | 2,872 | $13.68 | 154,367,297 |
| 2015-03-02 | Open-market buy | 1,200 | $13.68 | 154,364,425 |
| 2015-03-02 | Open-market buy | 2,728 | $13.67 | 154,363,225 |
| 2015-03-02 | Open-market buy | 700 | $13.66 | 154,360,497 |
| 2015-03-02 | Open-market buy | 94 | $14.35 | 154,399,797 |
| 2015-03-02 | Open-market buy | 1,700 | $14.36 | 154,401,497 |
| 2015-03-02 | Open-market buy | 3,100 | $14.48 | 154,404,597 |
| 2015-03-02 | Open-market buy | 2,300 | $14.07 | 154,391,197 |
| 2015-03-02 | Open-market buy | 2,000 | $14.10 | 154,393,197 |
| 2015-03-02 | Open-market buy | 700 | $14.15 | 154,393,897 |
| 2015-03-02 | Open-market buy | 400 | $14.17 | 154,394,297 |
| 2015-03-02 | Open-market buy | 762 | $14.18 | 154,395,059 |
| 2015-03-02 | Open-market buy | 2,338 | $14.21 | 154,397,397 |
| 2015-03-02 | Open-market buy | 600 | $14.33 | 154,397,997 |
| 2015-03-02 | Open-market buy | 100 | $13.80 | 154,370,497 |
| 2015-02-13 | Open-market buy | 2,300 | $13.74 | 154,352,797 |
| 2015-02-13 | Open-market buy | 100 | $13.74 | 154,350,497 |
| 2015-02-13 | Open-market buy | 2,300 | $13.72 | 154,350,397 |
| 2015-02-13 | Open-market buy | 1,000 | $13.76 | 154,353,797 |
| 2015-02-13 | Open-market buy | 600 | $13.77 | 154,354,397 |
| 2015-02-13 | Open-market buy | 400 | $13.77 | 154,354,797 |
| 2015-02-13 | Open-market buy | 1,000 | $13.62 | 154,344,797 |
| 2015-02-13 | Open-market buy | 1,000 | $13.65 | 154,345,797 |
| 2015-02-13 | Open-market buy | 248 | $13.69 | 154,346,045 |
| 2015-02-13 | Open-market buy | 752 | $13.70 | 154,346,797 |
| 2015-02-13 | Open-market buy | 900 | $13.72 | 154,347,697 |
| 2015-02-13 | Open-market buy | 400 | $13.72 | 154,348,097 |
| 2015-02-13 | Open-market buy | 500 | $13.61 | 154,343,797 |
| 2015-02-13 | Open-market buy | 1,800 | $13.60 | 154,343,297 |
| 2015-02-13 | Open-market buy | 200 | $13.60 | 154,341,497 |
| 2015-02-13 | Open-market buy | 1,000 | $13.56 | 154,341,297 |
| 2015-02-13 | Open-market buy | 400 | $13.32 | 154,340,297 |
| 2015-02-13 | Open-market buy | 100 | $13.32 | 154,339,897 |
| 2015-02-13 | Open-market buy | 4,400 | $13.23 | 154,339,797 |
| 2015-02-13 | Open-market buy | 600 | $13.23 | 154,335,397 |
| 2015-02-13 | Open-market buy | 5,000 | $13.80 | 154,359,797 |
| 2015-02-03 | Open-market buy | 300 | $12.17 | 154,319,597 |
| 2015-02-03 | Open-market buy | 500 | $11.85 | 154,311,297 |
| 2015-02-03 | Open-market buy | 700 | $11.89 | 154,311,997 |
| 2015-02-03 | Open-market buy | 300 | $11.89 | 154,312,297 |
| 2015-02-03 | Open-market buy | 3,915 | $11.89 | 154,316,212 |
| 2015-02-03 | Open-market buy | 85 | $11.90 | 154,316,297 |
| 2015-02-03 | Open-market buy | 1,000 | $11.96 | 154,317,297 |
| 2015-02-03 | Open-market buy | 200 | $12.03 | 154,317,497 |
| 2015-02-03 | Open-market buy | 1,800 | $12.03 | 154,319,297 |
| 2015-02-03 | Open-market buy | 1,000 | $11.77 | 154,310,797 |
| 2015-02-03 | Open-market buy | 500 | $12.36 | 154,334,797 |
| 2015-02-03 | Open-market buy | 500 | $12.36 | 154,334,297 |
| 2015-02-03 | Open-market buy | 6,500 | $12.35 | 154,333,797 |
| 2015-02-03 | Open-market buy | 1,000 | $12.35 | 154,327,297 |
| 2015-02-03 | Open-market buy | 100 | $12.33 | 154,326,297 |
| 2015-02-03 | Open-market buy | 900 | $12.33 | 154,326,197 |
| 2015-02-03 | Open-market buy | 4,000 | $12.32 | 154,325,297 |
| 2015-02-03 | Open-market buy | 1,100 | $12.17 | 154,321,297 |
| 2015-02-03 | Open-market buy | 600 | $12.17 | 154,320,197 |
| 2015-01-31 | Option exercise (derivative) | 64,242 | $0.00 | 0 |
| 2015-01-31 | Option exercise | 648,700 | $0.39 | 16,220,331 |
| 2015-01-31 | Tax withholding | 174,119 | $11.78 | 20,112,585 |
| 2015-01-31 | Option exercise | 22,125 | $1.05 | 20,286,704 |
| 2015-01-31 | Option exercise | 22,124 | $0.85 | 20,264,579 |
| 2015-01-31 | Option exercise | 22,124 | $0.67 | 20,242,455 |
| 2015-01-31 | Option exercise | 4,000,000 | $0.50 | 20,220,331 |
| 2015-01-31 | Tax withholding | 21,523 | $11.62 | 20,091,062 |
| 2015-01-31 | Option exercise | 81,085 | $0.00 | 15,571,631 |
| 2015-01-31 | Tax withholding | 710,504 | $11.78 | 154,309,797 |
| 2015-01-31 | Option exercise | 6,730,454 | — | 155,020,301 |
| 2015-01-31 | Option exercise | 64,242 | $1.05 | 148,289,847 |
| 2015-01-31 | Option exercise | 115,046 | $1.05 | 148,225,605 |
| 2015-01-31 | Option exercise | 3,080,530 | $1.05 | 148,110,559 |
| 2015-01-28 | Open-market buy | 4,900 | $11.27 | 145,025,029 |
| 2015-01-28 | Open-market buy | 200 | $11.24 | 145,015,229 |
| 2015-01-28 | Open-market buy | 4,400 | $11.31 | 145,030,029 |
| 2015-01-28 | Open-market buy | 500 | $11.31 | 145,025,629 |
| 2015-01-28 | Open-market buy | 100 | $11.31 | 145,025,129 |
| 2015-01-28 | Open-market buy | 100 | $11.27 | 145,020,129 |
| 2015-01-28 | Open-market buy | 2,100 | $11.24 | 145,020,029 |
| 2015-01-28 | Open-market buy | 2,500 | $11.24 | 145,017,929 |
| 2015-01-28 | Open-market buy | 200 | $11.24 | 145,015,429 |
| 2015-01-23 | Open-market buy | 200 | $10.84 | 145,005,829 |
| 2015-01-23 | Open-market buy | 9,200 | $10.84 | 145,015,029 |
| 2015-01-23 | Open-market buy | 600 | $10.84 | 145,005,629 |
| 2015-01-22 | Open-market buy | 200 | $10.45 | 144,983,629 |
| 2015-01-22 | Open-market buy | 1,400 | $10.44 | 144,983,429 |
| 2015-01-22 | Open-market buy | 1,000 | $10.43 | 144,982,029 |
| 2015-01-22 | Open-market buy | 2,300 | $10.27 | 144,981,029 |
| 2015-01-22 | Open-market buy | 1,000 | $10.26 | 144,978,729 |
| 2015-01-22 | Open-market buy | 1,000 | $10.62 | 145,005,029 |
| 2015-01-22 | Open-market buy | 10,500 | $10.61 | 145,004,029 |
| 2015-01-22 | Open-market buy | 4,000 | $10.60 | 144,993,529 |
| 2015-01-22 | Open-market buy | 200 | $10.55 | 144,989,229 |
| 2015-01-22 | Open-market buy | 1,000 | $10.54 | 144,989,029 |
| 2015-01-22 | Open-market buy | 50 | $10.45 | 144,983,679 |
| 2015-01-22 | Open-market buy | 1,350 | $10.46 | 144,985,029 |
| 2015-01-22 | Open-market buy | 1,000 | $10.48 | 144,986,029 |
| 2015-01-22 | Open-market buy | 500 | $10.51 | 144,986,529 |
| 2015-01-22 | Open-market buy | 1,000 | $10.51 | 144,987,529 |
| 2015-01-22 | Open-market buy | 500 | $10.53 | 144,988,029 |
| 2015-01-22 | Open-market buy | 700 | $10.25 | 144,977,729 |
| 2015-01-22 | Open-market buy | 300 | $10.55 | 144,989,529 |
| 2015-01-21 | Open-market buy | 1,000 | $10.27 | 144,971,029 |
| 2015-01-21 | Open-market buy | 3,700 | $10.26 | 144,970,029 |
| 2015-01-21 | Open-market buy | 600 | $10.24 | 144,958,497 |
| 2015-01-21 | Open-market buy | 800 | $10.24 | 144,957,897 |
| 2015-01-21 | Open-market buy | 5,708 | $10.23 | 144,957,097 |
| 2015-01-21 | Open-market buy | 200 | $10.23 | 144,951,389 |
| 2015-01-21 | Open-market buy | 3,460 | $10.22 | 144,951,189 |
| 2015-01-21 | Open-market buy | 1,300 | $10.21 | 144,947,729 |
| 2015-01-21 | Open-market buy | 4,400 | $10.20 | 144,946,429 |
| 2015-01-21 | Open-market buy | 400 | $10.20 | 144,942,029 |
| 2015-01-21 | Open-market buy | 700 | $10.20 | 144,941,629 |
| 2015-01-21 | Open-market buy | 2,700 | $10.19 | 144,940,929 |
| 2015-01-21 | Open-market buy | 200 | $10.19 | 144,938,229 |
| 2015-01-21 | Open-market buy | 1,700 | $10.18 | 144,938,029 |
| 2015-01-21 | Open-market buy | 1,000 | $10.17 | 144,936,329 |
| 2015-01-21 | Open-market buy | 700 | $10.26 | 144,966,329 |
| 2015-01-21 | Open-market buy | 3,200 | $10.25 | 144,965,629 |
| 2015-01-21 | Open-market buy | 3,932 | $10.24 | 144,962,429 |
| 2015-01-21 | Open-market buy | 1,000 | $10.29 | 144,977,029 |
| 2015-01-21 | Open-market buy | 3,000 | $10.28 | 144,976,029 |
| 2015-01-21 | Open-market buy | 1,800 | $10.27 | 144,973,029 |
| 2015-01-21 | Open-market buy | 200 | $10.27 | 144,971,229 |
| 2015-01-20 | Open-market buy | 100 | $10.27 | 144,934,929 |
| 2015-01-20 | Open-market buy | 400 | $10.27 | 144,935,329 |
| 2015-01-20 | Open-market buy | 4,400 | $10.00 | 144,894,729 |
| 2015-01-20 | Open-market buy | 900 | $10.01 | 144,895,629 |
| 2015-01-20 | Open-market buy | 1,700 | $10.01 | 144,897,329 |
| 2015-01-20 | Open-market buy | 2,765 | $10.02 | 144,900,094 |
| 2015-01-20 | Open-market buy | 200 | $10.03 | 144,900,294 |
| 2015-01-20 | Open-market buy | 1,000 | $10.25 | 144,934,829 |
| 2015-01-20 | Open-market buy | 7,946 | $10.24 | 144,933,829 |
| 2015-01-20 | Open-market buy | 3,054 | $10.24 | 144,925,883 |
| 2015-01-20 | Open-market buy | 500 | $10.24 | 144,922,829 |
| 2015-01-20 | Open-market buy | 500 | $10.23 | 144,922,329 |
| 2015-01-20 | Open-market buy | 1,550 | $10.22 | 144,921,829 |
| 2015-01-20 | Open-market buy | 500 | $10.20 | 144,920,279 |
| 2015-01-20 | Open-market buy | 500 | $10.19 | 144,919,779 |
| 2015-01-20 | Open-market buy | 500 | $10.16 | 144,919,279 |
| 2015-01-20 | Open-market buy | 450 | $10.13 | 144,918,779 |
| 2015-01-20 | Open-market buy | 3,850 | $10.08 | 144,918,329 |
| 2015-01-20 | Open-market buy | 5,450 | $10.06 | 144,914,479 |
| 2015-01-20 | Open-market buy | 5,300 | $10.05 | 144,909,029 |
| 2015-01-20 | Open-market buy | 400 | $10.05 | 144,903,729 |
| 2015-01-20 | Open-market buy | 3,035 | $10.03 | 144,903,329 |
| 2015-01-16 | Open-market buy | 200 | $9.98 | 144,865,529 |
| 2015-01-16 | Open-market buy | 1,800 | $9.98 | 144,867,329 |
| 2015-01-16 | Open-market buy | 1,000 | $9.99 | 144,868,329 |
| 2015-01-16 | Open-market buy | 1,000 | $10.00 | 144,869,329 |
| 2015-01-16 | Open-market buy | 9,987 | $10.00 | 144,879,316 |
| 2015-01-16 | Open-market buy | 1,000 | $10.06 | 144,890,329 |
| 2015-01-16 | Open-market buy | 542 | $10.05 | 144,889,329 |
| 2015-01-16 | Open-market buy | 6,111 | $10.02 | 144,888,787 |
| 2015-01-16 | Open-market buy | 1,889 | $10.02 | 144,882,676 |
| 2015-01-16 | Open-market buy | 771 | $10.01 | 144,880,787 |
| 2015-01-16 | Open-market buy | 700 | $10.01 | 144,880,016 |
| 2015-01-15 | Open-market buy | 900 | $10.01 | 144,852,229 |
| 2015-01-15 | Open-market buy | 500 | $9.98 | 144,851,329 |
| 2015-01-15 | Open-market buy | 9,020 | $9.97 | 144,850,829 |
| 2015-01-15 | Open-market buy | 400 | $9.97 | 144,841,809 |
| 2015-01-15 | Open-market buy | 9,580 | $9.96 | 144,841,409 |
| 2015-01-15 | Open-market buy | 1,900 | $9.96 | 144,831,829 |
| 2015-01-15 | Open-market buy | 600 | $9.95 | 144,829,929 |
| 2015-01-15 | Open-market buy | 100 | $9.94 | 144,829,329 |
| 2015-01-15 | Open-market buy | 3,370 | $9.92 | 144,829,229 |
| 2015-01-15 | Open-market buy | 4,530 | $9.91 | 144,825,859 |
| 2015-01-15 | Open-market buy | 500 | $10.03 | 144,856,829 |
| 2015-01-15 | Open-market buy | 800 | $10.25 | 144,865,329 |
| 2015-01-15 | Open-market buy | 300 | $10.25 | 144,864,529 |
| 2015-01-15 | Open-market buy | 1,300 | $10.24 | 144,864,229 |
| 2015-01-15 | Open-market buy | 100 | $10.24 | 144,862,929 |
| 2015-01-15 | Open-market buy | 1,000 | $10.17 | 144,862,829 |
| 2015-01-15 | Open-market buy | 400 | $10.14 | 144,861,829 |
| 2015-01-15 | Open-market buy | 1,400 | $10.14 | 144,861,429 |
| 2015-01-15 | Open-market buy | 200 | $10.14 | 144,860,029 |
| 2015-01-15 | Open-market buy | 500 | $10.10 | 144,859,829 |
| 2015-01-15 | Open-market buy | 2,300 | $10.07 | 144,859,329 |
| 2015-01-15 | Open-market buy | 200 | $10.07 | 144,857,029 |
| 2015-01-15 | Open-market buy | 100 | $10.02 | 144,852,329 |
| 2015-01-15 | Open-market buy | 4,000 | $10.02 | 144,856,329 |
| 2015-01-13 | Open-market buy | 1,000 | $10.20 | 144,821,329 |
| 2015-01-13 | Open-market buy | 6,000 | $10.19 | 144,820,329 |
| 2015-01-13 | Open-market buy | 200 | $10.18 | 144,810,729 |
| 2015-01-13 | Open-market buy | 2,100 | $10.17 | 144,810,529 |
| 2015-01-13 | Open-market buy | 1,000 | $10.05 | 144,797,329 |
| 2015-01-13 | Open-market buy | 200 | $10.07 | 144,797,529 |
| 2015-01-13 | Open-market buy | 1,900 | $10.08 | 144,799,429 |
| 2015-01-13 | Open-market buy | 500 | $10.09 | 144,799,929 |
| 2015-01-13 | Open-market buy | 400 | $10.10 | 144,800,329 |
| 2015-01-13 | Open-market buy | 400 | $10.12 | 144,800,729 |
| 2015-01-13 | Open-market buy | 200 | $10.12 | 144,800,929 |
| 2015-01-13 | Open-market buy | 1,200 | $10.12 | 144,802,129 |
| 2015-01-13 | Open-market buy | 400 | $10.12 | 144,802,529 |
| 2015-01-13 | Open-market buy | 3,300 | $10.12 | 144,805,829 |
| 2015-01-13 | Open-market buy | 600 | $10.13 | 144,806,429 |
| 2015-01-13 | Open-market buy | 400 | $10.14 | 144,806,829 |
| 2015-01-13 | Open-market buy | 1,500 | $10.15 | 144,808,329 |
| 2015-01-13 | Open-market buy | 100 | $10.17 | 144,808,429 |
| 2015-01-13 | Open-market buy | 3,600 | $10.18 | 144,814,329 |
| 2015-01-09 | Open-market buy | 800 | $10.10 | 144,789,929 |
| 2015-01-09 | Open-market buy | 3,000 | $10.11 | 144,796,329 |
| 2015-01-09 | Open-market buy | 3,400 | $10.10 | 144,793,329 |
| 2015-01-09 | Open-market buy | 2,000 | $10.09 | 144,789,129 |
| 2015-01-08 | Open-market buy | 1,300 | $10.00 | 144,766,129 |
| 2015-01-08 | Open-market buy | 3,500 | $10.01 | 144,769,629 |
| 2015-01-08 | Open-market buy | 1,000 | $10.02 | 144,770,629 |
| 2015-01-08 | Open-market buy | 2,400 | $10.05 | 144,785,816 |
| 2015-01-08 | Open-market buy | 7,137 | $10.04 | 144,783,416 |
| 2015-01-08 | Open-market buy | 1,313 | $10.05 | 144,787,129 |
| 2015-01-08 | Open-market buy | 3,350 | $10.03 | 144,773,979 |
| 2015-01-08 | Open-market buy | 900 | $10.04 | 144,776,279 |
| 2015-01-08 | Open-market buy | 1,400 | $10.04 | 144,775,379 |
| 2015-01-06 | Open-market buy | 1,400 | $9.93 | 144,755,729 |
| 2015-01-06 | Open-market buy | 2,500 | $9.93 | 144,758,229 |
| 2015-01-06 | Open-market buy | 100 | $9.94 | 144,758,329 |
| 2015-01-06 | Open-market buy | 1,800 | $9.99 | 144,760,129 |
| 2015-01-06 | Open-market buy | 2,400 | $9.92 | 144,754,329 |
| 2015-01-06 | Open-market buy | 600 | $9.92 | 144,751,929 |
| 2015-01-06 | Open-market buy | 2,400 | $9.91 | 144,751,329 |
| 2015-01-06 | Open-market buy | 800 | $9.91 | 144,748,929 |
| 2015-01-06 | Open-market buy | 2,600 | $9.90 | 144,748,129 |
| 2015-01-06 | Open-market buy | 400 | $9.90 | 144,745,529 |
| 2015-01-06 | Open-market buy | 2,800 | $9.86 | 144,745,129 |
| 2015-01-06 | Open-market buy | 400 | $9.86 | 144,742,329 |
| 2015-01-06 | Open-market buy | 1,900 | $9.83 | 144,741,929 |
| 2015-01-06 | Open-market buy | 1,200 | $9.83 | 144,740,029 |
| 2015-01-06 | Open-market buy | 3,500 | $10.01 | 144,764,829 |
| 2015-01-06 | Open-market buy | 1,200 | $9.99 | 144,761,329 |
| 2015-01-02 | Open-market buy | 100 | $9.89 | 144,710,929 |
| 2015-01-02 | Open-market buy | 1,900 | $9.89 | 144,712,829 |
| 2015-01-02 | Open-market buy | 2,100 | $9.90 | 144,714,929 |
| 2015-01-02 | Open-market buy | 100 | $9.91 | 144,715,029 |
| 2015-01-02 | Open-market buy | 100 | $9.91 | 144,715,129 |
| 2015-01-02 | Open-market buy | 7,900 | $9.91 | 144,723,029 |
| 2015-01-02 | Open-market buy | 400 | $9.92 | 144,723,429 |
| 2015-01-02 | Open-market buy | 6,200 | $9.92 | 144,729,629 |
| 2015-01-02 | Open-market buy | 4,200 | $9.93 | 144,733,829 |
| 2015-01-02 | Open-market buy | 200 | $9.94 | 144,734,029 |
| 2015-01-02 | Open-market buy | 100 | $9.94 | 144,734,129 |
| 2015-01-02 | Open-market buy | 4,700 | $9.94 | 144,738,829 |
| 2014-12-31 | Open-market buy | 56,766 | $9.99 | 144,693,329 |
| 2014-12-31 | Open-market buy | 1,602 | $10.00 | 144,694,931 |
| 2014-12-31 | Open-market buy | 15,534 | $9.98 | 144,633,863 |
| 2014-12-31 | Open-market buy | 2,200 | $9.99 | 144,636,063 |
| 2014-12-31 | Open-market buy | 12,898 | $10.00 | 144,707,829 |
| 2014-12-31 | Open-market buy | 300 | $10.01 | 144,710,829 |
| 2014-12-31 | Open-market buy | 2,700 | $10.01 | 144,710,529 |
| 2014-12-31 | Open-market buy | 500 | $9.99 | 144,636,563 |
| 2014-12-23 | Open-market buy | 982 | $9.37 | 144,579,311 |
| 2014-12-23 | Open-market buy | 7,512 | $9.38 | 144,586,823 |
| 2014-12-23 | Open-market buy | 1,506 | $9.39 | 144,588,329 |
| 2014-12-23 | Open-market buy | 1,600 | $9.42 | 144,589,929 |
| 2014-12-23 | Open-market buy | 3,300 | $9.42 | 144,593,229 |
| 2014-12-23 | Open-market buy | 925 | $9.45 | 144,598,329 |
| 2014-12-23 | Open-market buy | 1,312 | $9.47 | 144,599,641 |
| 2014-12-23 | Open-market buy | 100 | $9.43 | 144,593,329 |
| 2014-12-23 | Open-market buy | 5,289 | $9.47 | 144,604,930 |
| 2014-12-23 | Open-market buy | 3,399 | $9.48 | 144,608,329 |
| 2014-12-23 | Open-market buy | 9,012 | $9.54 | 144,617,341 |
| 2014-12-23 | Open-market buy | 988 | $9.55 | 144,618,329 |
| 2014-12-23 | Open-market buy | 4,075 | $9.44 | 144,597,404 |
| 2014-12-22 | Open-market buy | 9,800 | $9.79 | 144,578,129 |
| 2014-12-22 | Open-market buy | 200 | $9.80 | 144,578,329 |
| 2014-12-17 | Open-market buy | 3,100 | $9.19 | 144,567,129 |
| 2014-12-17 | Open-market buy | 300 | $9.20 | 144,567,429 |
| 2014-12-17 | Open-market buy | 900 | $9.20 | 144,568,329 |
| 2014-12-17 | Open-market buy | 700 | $9.19 | 144,564,029 |
| 2014-12-17 | Open-market buy | 10,000 | $9.00 | 144,563,329 |
| 2014-11-21 | Open-market buy | 200 | $8.16 | 144,545,029 |
| 2014-11-21 | Open-market buy | 12,400 | $8.15 | 144,544,829 |
| 2014-11-21 | Open-market buy | 100 | $8.15 | 144,532,429 |
| 2014-11-21 | Open-market buy | 10,100 | $8.14 | 144,532,329 |
| 2014-11-21 | Open-market buy | 100 | $8.14 | 144,522,229 |
| 2014-11-21 | Open-market buy | 6,400 | $8.13 | 144,522,129 |
| 2014-11-21 | Open-market buy | 1,900 | $8.12 | 144,515,729 |
| 2014-11-21 | Open-market buy | 2,500 | $8.17 | 144,552,829 |
| 2014-11-21 | Open-market buy | 5,300 | $8.16 | 144,550,329 |
| 2014-11-21 | Open-market buy | 500 | $8.18 | 144,553,329 |
| 2014-11-21 | Open-market buy | 500 | $8.11 | 144,513,829 |
| 2014-11-20 | Open-market buy | 100 | $8.09 | 144,451,029 |
| 2014-11-20 | Open-market buy | 6,800 | $8.09 | 144,457,829 |
| 2014-11-20 | Open-market buy | 100 | $8.10 | 144,457,929 |
| 2014-11-20 | Open-market buy | 12,900 | $8.10 | 144,470,829 |
| 2014-11-20 | Open-market buy | 82 | $8.11 | 144,470,911 |
| 2014-11-20 | Open-market buy | 1,199 | $8.11 | 144,472,110 |
| 2014-11-20 | Open-market buy | 8,619 | $8.11 | 144,480,729 |
| 2014-11-20 | Open-market buy | 200 | $8.12 | 144,480,929 |
| 2014-11-20 | Open-market buy | 300 | $8.12 | 144,481,229 |
| 2014-11-20 | Open-market buy | 19,600 | $8.12 | 144,500,829 |
| 2014-11-20 | Open-market buy | 7,500 | $8.13 | 144,508,329 |
| 2014-11-20 | Open-market buy | 4,000 | $8.14 | 144,512,329 |
| 2014-11-20 | Open-market buy | 1,000 | $8.15 | 144,513,329 |
| 2014-11-20 | Open-market buy | 100 | $8.09 | 144,450,929 |
| 2014-11-19 | Open-market buy | 8,336 | $8.16 | 144,437,165 |
| 2014-11-19 | Open-market buy | 1,164 | $8.17 | 144,438,329 |
| 2014-11-19 | Open-market buy | 697 | $8.18 | 144,439,026 |
| 2014-11-19 | Open-market buy | 1,500 | $8.15 | 144,428,829 |
| 2014-11-19 | Open-market buy | 500 | $8.15 | 144,427,329 |
| 2014-11-19 | Open-market buy | 1,000 | $8.14 | 144,426,829 |
| 2014-11-19 | Open-market buy | 2,400 | $8.19 | 144,450,829 |
| 2014-11-19 | Open-market buy | 3,600 | $8.19 | 144,448,429 |
| 2014-11-19 | Open-market buy | 5,803 | $8.18 | 144,444,829 |
| 2014-11-17 | Open-market buy | 1,500 | $8.24 | 144,418,329 |
| 2014-11-17 | Open-market buy | 3,500 | $8.23 | 144,416,829 |
| 2014-11-17 | Open-market buy | 4,500 | $8.22 | 144,413,329 |
| 2014-11-17 | Open-market buy | 100 | $8.25 | 144,418,429 |
| 2014-11-17 | Open-market buy | 2,000 | $8.26 | 144,425,829 |
| 2014-11-17 | Open-market buy | 5,400 | $8.25 | 144,423,829 |
| 2014-11-17 | Open-market buy | 5,000 | $8.21 | 144,408,829 |
| 2014-11-14 | Open-market buy | 2,000 | $8.22 | 144,385,829 |
| 2014-11-14 | Open-market buy | 2,500 | $8.29 | 144,397,329 |
| 2014-11-14 | Open-market buy | 6,500 | $8.29 | 144,403,829 |
| 2014-11-14 | Open-market buy | 200 | $8.28 | 144,391,029 |
| 2014-11-14 | Open-market buy | 1,000 | $8.27 | 144,390,829 |
| 2014-11-14 | Open-market buy | 2,000 | $8.26 | 144,389,829 |
| 2014-11-14 | Open-market buy | 2,000 | $8.24 | 144,387,829 |
| 2014-11-14 | Open-market buy | 3,800 | $8.28 | 144,394,829 |
| 2014-11-13 | Open-market buy | 3,100 | $8.34 | 144,374,529 |
| 2014-11-13 | Open-market buy | 200 | $8.35 | 144,374,729 |
| 2014-11-13 | Open-market buy | 8,900 | $8.35 | 144,383,829 |
| 2014-11-13 | Open-market buy | 200 | $8.35 | 144,374,929 |
| 2014-11-12 | Option exercise (derivative) | 210,821 | $1.25 | 0 |
| 2014-11-12 | Option exercise | 210,821 | $0.00 | 144,303,629 |
| 2014-11-12 | Open-market buy | 200 | $8.36 | 144,303,829 |
| 2014-11-12 | Open-market buy | 663 | $8.36 | 144,304,492 |
| 2014-11-12 | Open-market buy | 4,137 | $8.36 | 144,308,629 |
| 2014-11-12 | Open-market buy | 750 | $8.37 | 144,309,379 |
| 2014-11-12 | Open-market buy | 744 | $8.37 | 144,310,123 |
| 2014-11-12 | Open-market buy | 9,506 | $8.37 | 144,319,629 |
| 2014-11-12 | Open-market buy | 852 | $8.38 | 144,320,481 |
| 2014-11-12 | Open-market buy | 1,000 | $8.42 | 144,371,429 |
| 2014-11-12 | Open-market buy | 800 | $8.41 | 144,370,429 |
| 2014-11-12 | Open-market buy | 100 | $8.41 | 144,369,629 |
| 2014-11-12 | Open-market buy | 100 | $8.41 | 144,369,529 |
| 2014-11-12 | Open-market buy | 11,432 | $8.40 | 144,369,429 |
| 2014-11-12 | Open-market buy | 200 | $8.40 | 144,357,997 |
| 2014-11-12 | Open-market buy | 400 | $8.40 | 144,357,797 |
| 2014-11-12 | Open-market buy | 24,268 | $8.39 | 144,357,397 |
| 2014-11-12 | Open-market buy | 300 | $8.39 | 144,333,129 |
| 2014-11-12 | Open-market buy | 100 | $8.39 | 144,332,829 |
| 2014-11-12 | Open-market buy | 500 | $8.39 | 144,332,729 |
| 2014-11-12 | Open-market buy | 1,400 | $8.39 | 144,332,229 |
| 2014-11-12 | Open-market buy | 9,648 | $8.38 | 144,330,829 |
| 2014-11-12 | Open-market buy | 100 | $8.38 | 144,321,181 |
| 2014-11-12 | Open-market buy | 600 | $8.38 | 144,321,081 |
| 2014-11-07 | Open-market buy | 10,500 | $8.26 | 144,042,308 |
| 2014-11-07 | Open-market buy | 5,000 | $8.25 | 144,031,808 |
| 2014-11-07 | Open-market buy | 200 | $8.25 | 144,026,808 |
| 2014-11-07 | Open-market buy | 2,601 | $8.24 | 144,026,608 |
| 2014-11-07 | Open-market buy | 16,800 | $8.23 | 144,024,007 |
| 2014-11-07 | Open-market buy | 3,399 | $8.22 | 144,007,207 |
| 2014-11-07 | Open-market buy | 1,000 | $8.20 | 144,003,808 |
| 2014-11-07 | Open-market buy | 2,600 | $8.35 | 144,092,808 |
| 2014-11-07 | Open-market buy | 1,100 | $8.34 | 144,090,208 |
| 2014-11-07 | Open-market buy | 1,000 | $8.28 | 144,046,286 |
| 2014-11-07 | Open-market buy | 16,305 | $8.32 | 144,086,613 |
| 2014-11-07 | Open-market buy | 100 | $8.32 | 144,070,308 |
| 2014-11-07 | Open-market buy | 5,500 | $8.31 | 144,070,208 |
| 2014-11-07 | Open-market buy | 8,593 | $8.30 | 144,064,708 |
| 2014-11-07 | Open-market buy | 400 | $8.30 | 144,056,115 |
| 2014-11-07 | Open-market buy | 1,407 | $8.30 | 144,055,715 |
| 2014-11-07 | Open-market buy | 8,022 | $8.29 | 144,054,308 |
| 2014-11-07 | Open-market buy | 2,978 | $8.27 | 144,045,286 |
| 2014-11-07 | Open-market buy | 2,495 | $8.33 | 144,089,108 |
| 2014-11-06 | Open-market buy | 5,100 | $8.38 | 143,992,308 |
| 2014-11-06 | Open-market buy | 500 | $8.38 | 143,987,208 |
| 2014-11-06 | Open-market buy | 2,000 | $8.39 | 143,994,308 |
| 2014-11-06 | Open-market buy | 1,500 | $8.40 | 143,995,808 |
| 2014-11-06 | Open-market buy | 2,200 | $8.37 | 143,986,708 |
| 2014-11-06 | Open-market buy | 800 | $8.37 | 143,984,508 |
| 2014-11-06 | Open-market buy | 1,000 | $8.36 | 143,983,708 |
| 2014-11-06 | Open-market buy | 2,800 | $8.35 | 143,982,708 |
| 2014-11-06 | Open-market buy | 1,660 | $8.35 | 143,979,908 |
| 2014-11-06 | Open-market buy | 2,940 | $8.34 | 143,978,248 |
| 2014-11-06 | Open-market buy | 600 | $8.34 | 143,975,308 |
| 2014-11-06 | Open-market buy | 500 | $8.33 | 143,974,708 |
| 2014-11-06 | Open-market buy | 2,000 | $8.42 | 144,002,808 |
| 2014-11-06 | Open-market buy | 5,000 | $8.41 | 144,000,808 |
| 2014-11-05 | Open-market buy | 900 | $8.40 | 143,971,708 |
| 2014-11-05 | Open-market buy | 2,600 | $8.39 | 143,970,808 |
| 2014-11-05 | Open-market buy | 500 | $8.41 | 143,972,208 |
| 2014-11-05 | Open-market buy | 500 | $8.42 | 143,972,708 |
| 2014-11-05 | Open-market buy | 1,500 | $8.39 | 143,968,208 |
| 2014-11-05 | Open-market buy | 3,000 | $8.38 | 143,966,708 |
| 2014-11-05 | Open-market buy | 3,000 | $8.37 | 143,963,708 |
| 2014-11-05 | Open-market buy | 400 | $8.37 | 143,960,708 |
| 2014-11-05 | Open-market buy | 100 | $8.37 | 143,960,308 |
| 2014-11-05 | Open-market buy | 1,000 | $8.36 | 143,960,208 |
| 2014-11-05 | Open-market buy | 1,000 | $8.36 | 143,959,208 |
| 2014-11-05 | Open-market buy | 500 | $8.35 | 143,958,208 |
| 2014-11-05 | Open-market buy | 500 | $8.34 | 143,957,708 |
| 2014-11-05 | Open-market buy | 3,700 | $8.33 | 143,957,208 |
| 2014-11-05 | Open-market buy | 1,000 | $8.32 | 143,953,508 |
| 2014-11-05 | Open-market buy | 400 | $8.32 | 143,952,508 |
| 2014-11-05 | Open-market buy | 6,700 | $8.31 | 143,952,108 |
| 2014-11-05 | Open-market buy | 900 | $8.31 | 143,945,408 |
| 2014-11-05 | Open-market buy | 3,500 | $8.30 | 143,944,508 |
| 2014-11-05 | Open-market buy | 1,500 | $8.42 | 143,974,208 |
| 2014-11-04 | Open-market buy | 1,800 | $8.34 | 143,917,408 |
| 2014-11-04 | Open-market buy | 400 | $8.37 | 143,930,408 |
| 2014-11-04 | Open-market buy | 8,700 | $8.36 | 143,930,008 |
| 2014-11-04 | Open-market buy | 300 | $8.36 | 143,921,308 |
| 2014-11-04 | Open-market buy | 1,800 | $8.35 | 143,921,008 |
| 2014-11-04 | Open-market buy | 1,800 | $8.34 | 143,919,208 |
| 2014-11-04 | Open-market buy | 2,200 | $8.37 | 143,932,608 |
| 2014-11-04 | Open-market buy | 7,000 | $8.33 | 143,915,608 |
| 2014-11-04 | Open-market buy | 700 | $8.33 | 143,908,608 |
| 2014-11-04 | Open-market buy | 100 | $8.32 | 143,907,908 |
| 2014-11-04 | Open-market buy | 400 | $8.32 | 143,907,808 |
| 2014-11-04 | Open-market buy | 5,503 | $8.37 | 143,941,008 |
| 2014-11-04 | Open-market buy | 2,897 | $8.37 | 143,935,505 |
| 2014-11-03 | Open-market buy | 154 | $8.34 | 143,883,962 |
| 2014-11-03 | Open-market buy | 400 | $8.35 | 143,884,362 |
| 2014-11-03 | Open-market buy | 300 | $8.35 | 143,884,662 |
| 2014-11-03 | Open-market buy | 300 | $8.35 | 143,884,962 |
| 2014-11-03 | Open-market buy | 8,946 | $8.35 | 143,893,908 |
| 2014-11-03 | Open-market buy | 300 | $8.36 | 143,894,208 |
| 2014-11-03 | Open-market buy | 4,200 | $8.36 | 143,898,408 |
| 2014-11-03 | Open-market buy | 8,231 | $8.37 | 143,907,408 |
| 2014-11-03 | Open-market buy | 769 | $8.37 | 143,899,177 |
| 2014-10-31 | Open-market buy | 2,300 | $8.41 | 143,881,308 |
| 2014-10-31 | Open-market buy | 200 | $8.41 | 143,879,008 |
| 2014-10-31 | Open-market buy | 3,000 | $8.40 | 143,878,808 |
| 2014-10-31 | Open-market buy | 4,000 | $8.39 | 143,875,808 |
| 2014-10-31 | Open-market buy | 2,500 | $8.41 | 143,883,808 |
| 2014-10-31 | Open-market buy | 200 | $8.38 | 143,870,008 |
| 2014-10-31 | Open-market buy | 1,000 | $8.36 | 143,869,808 |
| 2014-10-31 | Open-market buy | 5,000 | $8.35 | 143,868,808 |
| 2014-10-31 | Open-market buy | 1,800 | $8.38 | 143,871,808 |
| 2014-10-30 | Open-market buy | 465 | $8.29 | 143,840,578 |
| 2014-10-30 | Open-market buy | 100 | $8.38 | 143,851,908 |
| 2014-10-30 | Open-market buy | 500 | $8.37 | 143,851,808 |
| 2014-10-30 | Open-market buy | 500 | $8.36 | 143,851,308 |
| 2014-10-30 | Open-market buy | 4,000 | $8.35 | 143,850,808 |
| 2014-10-30 | Open-market buy | 5,000 | $8.33 | 143,846,808 |
| 2014-10-30 | Open-market buy | 1,230 | $8.30 | 143,841,808 |
| 2014-10-30 | Open-market buy | 5,900 | $8.38 | 143,857,808 |
| 2014-10-30 | Open-market buy | 3,205 | $8.28 | 143,840,113 |
| 2014-10-30 | Open-market buy | 600 | $8.27 | 143,836,908 |
| 2014-10-30 | Open-market buy | 2,300 | $8.24 | 143,836,308 |
| 2014-10-30 | Open-market buy | 2,700 | $8.23 | 143,834,008 |
| 2014-10-30 | Open-market buy | 4,000 | $8.40 | 143,863,808 |
| 2014-10-30 | Open-market buy | 2,000 | $8.39 | 143,859,808 |
| 2014-10-29 | Open-market buy | 6,051 | $8.38 | 143,810,755 |
| 2014-10-29 | Open-market buy | 4,896 | $8.37 | 143,804,704 |
| 2014-10-29 | Open-market buy | 500 | $8.37 | 143,799,808 |
| 2014-10-29 | Open-market buy | 1,500 | $8.36 | 143,799,308 |
| 2014-10-29 | Open-market buy | 1,000 | $8.35 | 143,797,808 |
| 2014-10-29 | Open-market buy | 500 | $8.34 | 143,796,808 |
| 2014-10-29 | Open-market buy | 1,593 | $8.42 | 143,831,308 |
| 2014-10-29 | Open-market buy | 900 | $8.41 | 143,829,715 |
| 2014-10-29 | Open-market buy | 100 | $8.39 | 143,810,855 |
| 2014-10-29 | Open-market buy | 100 | $8.39 | 143,810,955 |
| 2014-10-29 | Open-market buy | 4,007 | $8.40 | 143,828,815 |
| 2014-10-29 | Open-market buy | 13,853 | $8.39 | 143,824,808 |
| 2014-10-24 | Open-market buy | 2,500 | $8.38 | 143,761,308 |
| 2014-10-24 | Open-market buy | 2,500 | $8.37 | 143,758,808 |
| 2014-10-24 | Open-market buy | 13,000 | $8.40 | 143,776,308 |
| 2014-10-24 | Open-market buy | 500 | $8.41 | 143,776,808 |
| 2014-10-24 | Open-market buy | 14,500 | $8.41 | 143,791,308 |
| 2014-10-24 | Open-market buy | 700 | $8.43 | 143,792,008 |
| 2014-10-24 | Open-market buy | 4,300 | $8.43 | 143,796,308 |
| 2014-10-24 | Open-market buy | 2,000 | $8.39 | 143,763,308 |
| 2014-10-22 | Open-market buy | 1,700 | $8.22 | 143,709,108 |
| 2014-10-22 | Open-market buy | 800 | $8.24 | 143,742,908 |
| 2014-10-22 | Open-market buy | 16,800 | $8.23 | 143,742,108 |
| 2014-10-22 | Open-market buy | 1,700 | $8.23 | 143,725,308 |
| 2014-10-22 | Open-market buy | 14,500 | $8.22 | 143,723,608 |
| 2014-10-22 | Open-market buy | 12,400 | $8.24 | 143,755,308 |
| 2014-10-22 | Open-market buy | 200 | $8.22 | 143,707,408 |
| 2014-10-22 | Open-market buy | 14,700 | $8.21 | 143,707,208 |
| 2014-10-22 | Open-market buy | 1,000 | $8.20 | 143,692,508 |
| 2014-10-22 | Open-market buy | 900 | $8.25 | 143,756,308 |
| 2014-10-22 | Open-market buy | 100 | $8.25 | 143,755,408 |
| 2014-10-17 | Open-market buy | 4,400 | $8.24 | 143,672,608 |
| 2014-10-17 | Open-market buy | 200 | $8.30 | 143,690,708 |
| 2014-10-17 | Open-market buy | 500 | $8.29 | 143,690,508 |
| 2014-10-17 | Open-market buy | 3,323 | $8.27 | 143,690,008 |
| 2014-10-17 | Open-market buy | 2,677 | $8.26 | 143,686,685 |
| 2014-10-17 | Open-market buy | 11,400 | $8.25 | 143,684,008 |
| 2014-10-17 | Open-market buy | 800 | $8.30 | 143,691,508 |
| 2014-10-17 | Open-market buy | 200 | $8.24 | 143,668,208 |
| 2014-10-17 | Open-market buy | 900 | $8.23 | 143,668,008 |
| 2014-10-17 | Open-market buy | 100 | $8.23 | 143,667,108 |
| 2014-10-17 | Open-market buy | 2,800 | $8.22 | 143,667,008 |
| 2014-10-17 | Open-market buy | 2,200 | $8.22 | 143,664,208 |
| 2014-10-17 | Open-market buy | 500 | $8.21 | 143,662,008 |
| 2014-10-16 | Open-market buy | 100 | $8.33 | 143,651,608 |
| 2014-10-16 | Open-market buy | 1,100 | $8.37 | 143,659,108 |
| 2014-10-16 | Open-market buy | 500 | $8.36 | 143,658,008 |
| 2014-10-16 | Open-market buy | 1,000 | $8.35 | 143,657,508 |
| 2014-10-16 | Open-market buy | 4,000 | $8.34 | 143,656,508 |
| 2014-10-16 | Open-market buy | 900 | $8.33 | 143,652,508 |
| 2014-10-16 | Open-market buy | 2,400 | $8.37 | 143,661,508 |
| 2014-10-16 | Open-market buy | 1,000 | $8.32 | 143,651,508 |
| 2014-10-16 | Open-market buy | 5,000 | $8.31 | 143,650,508 |
| 2014-10-16 | Open-market buy | 1,000 | $8.30 | 143,645,508 |
| 2014-10-16 | Open-market buy | 2,900 | $8.28 | 143,644,508 |
| 2014-10-16 | Open-market buy | 100 | $8.28 | 143,641,608 |
| 2014-10-13 | Open-market buy | 4,000 | $8.31 | 143,636,508 |
| 2014-10-13 | Open-market buy | 4,000 | $8.28 | 143,632,508 |
| 2014-10-13 | Open-market buy | 2,600 | $8.27 | 143,628,508 |
| 2014-10-13 | Open-market buy | 1,400 | $8.26 | 143,625,908 |
| 2014-10-13 | Open-market buy | 5,500 | $8.21 | 143,624,508 |
| 2014-10-13 | Open-market buy | 2,000 | $8.20 | 143,619,008 |
| 2014-10-13 | Open-market buy | 4,700 | $8.19 | 143,617,008 |
| 2014-10-13 | Open-market buy | 2,500 | $8.19 | 143,612,308 |
| 2014-10-13 | Open-market buy | 300 | $8.19 | 143,609,808 |
| 2014-10-13 | Open-market buy | 7,500 | $8.18 | 143,609,508 |
| 2014-10-13 | Open-market buy | 3,900 | $8.17 | 143,602,008 |
| 2014-10-13 | Open-market buy | 100 | $8.17 | 143,598,108 |
| 2014-10-13 | Open-market buy | 500 | $8.13 | 143,598,008 |
| 2014-10-13 | Open-market buy | 1,911 | $8.06 | 143,597,508 |
| 2014-10-13 | Open-market buy | 1,301 | $8.05 | 143,595,597 |
| 2014-10-13 | Open-market buy | 4,088 | $8.04 | 143,594,296 |
| 2014-10-13 | Open-market buy | 2,700 | $8.04 | 143,590,208 |
| 2014-10-13 | Open-market buy | 1,246 | $8.34 | 143,641,508 |
| 2014-10-13 | Open-market buy | 1,054 | $8.33 | 143,640,262 |
| 2014-10-13 | Open-market buy | 100 | $8.33 | 143,639,208 |
| 2014-10-13 | Open-market buy | 2,200 | $8.32 | 143,639,108 |
| 2014-10-13 | Open-market buy | 400 | $8.32 | 143,636,908 |
| 2014-10-10 | Open-market buy | 1,000 | $8.10 | 143,520,208 |
| 2014-10-10 | Open-market buy | 8,900 | $8.09 | 143,519,208 |
| 2014-10-10 | Open-market buy | 300 | $8.09 | 143,510,308 |
| 2014-10-10 | Open-market buy | 200 | $8.14 | 143,520,408 |
| 2014-10-10 | Open-market buy | 4,800 | $8.14 | 143,525,208 |
| 2014-10-10 | Open-market buy | 6,000 | $8.16 | 143,531,208 |
| 2014-10-10 | Open-market buy | 7,500 | $8.17 | 143,538,708 |
| 2014-10-10 | Open-market buy | 1,000 | $8.18 | 143,539,708 |
| 2014-10-10 | Open-market buy | 10,929 | $8.18 | 143,550,637 |
| 2014-10-10 | Open-market buy | 3,952 | $8.19 | 143,554,589 |
| 2014-10-10 | Open-market buy | 5,512 | $8.20 | 143,560,101 |
| 2014-10-10 | Open-market buy | 1,100 | $8.21 | 143,561,201 |
| 2014-10-10 | Open-market buy | 4,400 | $8.21 | 143,565,601 |
| 2014-10-10 | Open-market buy | 1,907 | $8.22 | 143,567,508 |
| 2014-10-10 | Open-market buy | 800 | $8.23 | 143,568,308 |
| 2014-10-10 | Open-market buy | 5,200 | $8.23 | 143,573,508 |
| 2014-10-10 | Open-market buy | 500 | $8.25 | 143,574,008 |
| 2014-10-10 | Open-market buy | 4,200 | $8.26 | 143,578,208 |
| 2014-10-10 | Open-market buy | 700 | $8.27 | 143,578,908 |
| 2014-10-10 | Open-market buy | 3,600 | $8.27 | 143,582,508 |
| 2014-10-10 | Open-market buy | 400 | $8.28 | 143,582,908 |
| 2014-10-10 | Open-market buy | 4,600 | $8.28 | 143,587,508 |
| 2014-10-10 | Open-market buy | 4,800 | $8.08 | 143,510,008 |
| 2014-10-09 | Open-market buy | 6,300 | $8.35 | 143,490,208 |
| 2014-10-09 | Open-market buy | 100 | $8.34 | 143,480,308 |
| 2014-10-09 | Open-market buy | 3,523 | $8.34 | 143,483,831 |
| 2014-10-09 | Open-market buy | 77 | $8.35 | 143,483,908 |
| 2014-10-09 | Open-market buy | 2,400 | $8.50 | 143,505,208 |
| 2014-10-09 | Open-market buy | 100 | $8.41 | 143,490,308 |
| 2014-10-09 | Open-market buy | 2,396 | $8.41 | 143,492,704 |
| 2014-10-09 | Open-market buy | 2,500 | $8.49 | 143,502,808 |
| 2014-10-09 | Open-market buy | 100 | $8.47 | 143,500,308 |
| 2014-10-09 | Open-market buy | 4,900 | $8.44 | 143,500,208 |
| 2014-10-09 | Open-market buy | 100 | $8.44 | 143,495,308 |
| 2014-10-09 | Open-market buy | 4 | $8.43 | 143,495,208 |
| 2014-10-09 | Open-market buy | 2,500 | $8.42 | 143,495,204 |
| 2014-10-08 | Open-market buy | 1,000 | $8.42 | 143,470,708 |
| 2014-10-08 | Open-market buy | 500 | $8.24 | 143,460,708 |
| 2014-10-08 | Open-market buy | 9,400 | $8.48 | 143,480,208 |
| 2014-10-08 | Open-market buy | 100 | $8.48 | 143,470,808 |
| 2014-10-08 | Open-market buy | 1,000 | $8.27 | 143,461,708 |
| 2014-10-08 | Open-market buy | 2,000 | $8.36 | 143,469,708 |
| 2014-10-08 | Open-market buy | 1,900 | $8.30 | 143,467,708 |
| 2014-10-08 | Open-market buy | 4,100 | $8.30 | 143,465,808 |
| 2014-10-07 | Open-market buy | 6,983 | $8.26 | 143,412,391 |
| 2014-10-07 | Open-market buy | 200 | $8.26 | 143,405,408 |
| 2014-10-07 | Open-market buy | 4,300 | $8.35 | 143,460,208 |
| 2014-10-07 | Open-market buy | 400 | $8.35 | 143,455,908 |
| 2014-10-07 | Open-market buy | 2,000 | $8.34 | 143,455,508 |
| 2014-10-07 | Open-market buy | 4,300 | $8.34 | 143,453,508 |
| 2014-10-07 | Open-market buy | 1,000 | $8.33 | 143,449,208 |
| 2014-10-07 | Open-market buy | 1,000 | $8.30 | 143,446,208 |
| 2014-10-07 | Open-market buy | 6,397 | $8.29 | 143,445,208 |
| 2014-10-07 | Open-market buy | 300 | $8.27 | 143,412,691 |
| 2014-10-07 | Open-market buy | 9,517 | $8.27 | 143,422,208 |
| 2014-10-07 | Open-market buy | 567 | $8.28 | 143,422,775 |
| 2014-10-07 | Open-market buy | 500 | $8.28 | 143,423,275 |
| 2014-10-07 | Open-market buy | 14,836 | $8.28 | 143,438,111 |
| 2014-10-07 | Open-market buy | 700 | $8.29 | 143,438,811 |
| 2014-10-07 | Open-market buy | 2,000 | $8.31 | 143,448,208 |
| 2014-10-06 | Open-market buy | 100 | $8.37 | 143,405,208 |
| 2014-10-06 | Open-market buy | 9,900 | $8.36 | 143,405,108 |
| 2014-10-03 | Open-market buy | 2,800 | $8.36 | 143,368,808 |
| 2014-10-03 | Open-market buy | 500 | $8.52 | 143,394,708 |
| 2014-10-03 | Open-market buy | 1,000 | $8.50 | 143,394,208 |
| 2014-10-03 | Open-market buy | 1,500 | $8.48 | 143,393,208 |
| 2014-10-03 | Open-market buy | 500 | $8.47 | 143,391,708 |
| 2014-10-03 | Open-market buy | 2,500 | $8.46 | 143,391,208 |
| 2014-10-03 | Open-market buy | 1,000 | $8.45 | 143,388,708 |
| 2014-10-03 | Open-market buy | 3 | $8.45 | 143,387,708 |
| 2014-10-03 | Open-market buy | 497 | $8.44 | 143,387,705 |
| 2014-10-03 | Open-market buy | 2,000 | $8.43 | 143,387,208 |
| 2014-10-03 | Open-market buy | 900 | $8.42 | 143,385,208 |
| 2014-10-03 | Open-market buy | 100 | $8.42 | 143,384,308 |
| 2014-10-03 | Open-market buy | 500 | $8.41 | 143,384,208 |
| 2014-10-03 | Open-market buy | 3,000 | $8.40 | 143,383,708 |
| 2014-10-03 | Open-market buy | 2,550 | $8.39 | 143,380,708 |
| 2014-10-03 | Open-market buy | 450 | $8.39 | 143,378,158 |
| 2014-10-03 | Open-market buy | 7,400 | $8.38 | 143,377,708 |
| 2014-10-03 | Open-market buy | 1,500 | $8.37 | 143,370,308 |
| 2014-10-03 | Open-market buy | 500 | $8.53 | 143,395,208 |
| 2014-10-03 | Open-market buy | 200 | $8.36 | 143,366,008 |
| 2014-10-02 | Open-market buy | 2,000 | $8.36 | 143,365,808 |
| 2014-10-02 | Open-market buy | 100 | $8.27 | 143,333,408 |
| 2014-10-02 | Open-market buy | 1,000 | $8.26 | 143,333,308 |
| 2014-10-02 | Open-market buy | 1,500 | $8.25 | 143,332,308 |
| 2014-10-02 | Open-market buy | 2,000 | $8.34 | 143,362,308 |
| 2014-10-02 | Open-market buy | 3,700 | $8.33 | 143,360,308 |
| 2014-10-02 | Open-market buy | 8,000 | $8.32 | 143,356,608 |
| 2014-10-02 | Open-market buy | 1,300 | $8.32 | 143,348,608 |
| 2014-10-02 | Open-market buy | 3,500 | $8.31 | 143,347,308 |
| 2014-10-02 | Open-market buy | 1,500 | $8.31 | 143,343,808 |
| 2014-10-02 | Open-market buy | 5,340 | $8.30 | 143,342,308 |
| 2014-10-02 | Open-market buy | 660 | $8.30 | 143,336,968 |
| 2014-10-02 | Open-market buy | 300 | $8.30 | 143,336,308 |
| 2014-10-02 | Open-market buy | 200 | $8.30 | 143,336,008 |
| 2014-10-02 | Open-market buy | 1,500 | $8.28 | 143,335,808 |
| 2014-10-02 | Open-market buy | 900 | $8.27 | 143,334,308 |
| 2014-10-02 | Open-market buy | 1,500 | $8.35 | 143,363,808 |
| 2014-10-01 | Open-market buy | 3,541 | $8.40 | 143,323,808 |
| 2014-10-01 | Open-market buy | 2,000 | $8.42 | 143,325,808 |
| 2014-10-01 | Open-market buy | 500 | $8.45 | 143,326,308 |
| 2014-10-01 | Open-market buy | 1,009 | $8.48 | 143,327,317 |
| 2014-10-01 | Open-market buy | 1,991 | $8.48 | 143,329,308 |
| 2014-10-01 | Open-market buy | 500 | $8.51 | 143,330,808 |
| 2014-10-01 | Open-market buy | 6,000 | $8.32 | 143,296,808 |
| 2014-10-01 | Open-market buy | 1,000 | $8.34 | 143,297,808 |
| 2014-10-01 | Open-market buy | 9,000 | $8.35 | 143,306,808 |
| 2014-10-01 | Open-market buy | 1,000 | $8.36 | 143,307,808 |
| 2014-10-01 | Open-market buy | 100 | $8.37 | 143,307,908 |
| 2014-10-01 | Open-market buy | 900 | $8.37 | 143,308,808 |
| 2014-10-01 | Open-market buy | 1,000 | $8.50 | 143,330,308 |
| 2014-10-01 | Open-market buy | 7,200 | $8.38 | 143,316,008 |
| 2014-10-01 | Open-market buy | 200 | $8.39 | 143,316,208 |
| 2014-10-01 | Open-market buy | 600 | $8.39 | 143,316,808 |
| 2014-10-01 | Open-market buy | 59 | $8.40 | 143,316,867 |
| 2014-10-01 | Open-market buy | 3,400 | $8.40 | 143,320,267 |
| 2014-09-30 | Open-market buy | 500 | $8.57 | 143,282,808 |
| 2014-09-30 | Open-market buy | 1,600 | $8.59 | 143,289,808 |
| 2014-09-30 | Open-market buy | 5,400 | $8.58 | 143,288,208 |
| 2014-09-30 | Open-market buy | 1,000 | $8.61 | 143,290,808 |
| 2014-09-30 | Open-market buy | 11,500 | $8.56 | 143,282,308 |
| 2014-09-30 | Open-market buy | 5,000 | $8.51 | 143,270,808 |
| 2014-09-26 | Open-market buy | 2,000 | $8.60 | 143,263,308 |
| 2014-09-26 | Open-market buy | 3,152 | $8.59 | 143,261,308 |
| 2014-09-26 | Open-market buy | 100 | $8.59 | 143,258,156 |
| 2014-09-26 | Open-market buy | 2,273 | $8.58 | 143,258,056 |
| 2014-09-26 | Open-market buy | 4,444 | $8.57 | 143,255,783 |
| 2014-09-26 | Open-market buy | 31 | $8.57 | 143,251,339 |
| 2014-09-26 | Open-market buy | 900 | $8.55 | 143,251,308 |
| 2014-09-26 | Open-market buy | 100 | $8.55 | 143,250,408 |
| 2014-09-26 | Open-market buy | 3,500 | $8.54 | 143,250,308 |
| 2014-09-26 | Open-market buy | 4,100 | $8.52 | 143,246,808 |
| 2014-09-26 | Open-market buy | 800 | $8.52 | 143,242,708 |
| 2014-09-26 | Open-market buy | 500 | $8.61 | 143,263,808 |
| 2014-09-26 | Open-market buy | 700 | $8.63 | 143,264,508 |
| 2014-09-26 | Open-market buy | 1,300 | $8.63 | 143,265,808 |
| 2014-09-26 | Open-market buy | 100 | $8.52 | 143,241,908 |
| 2014-09-25 | Open-market buy | 5,000 | $8.53 | 143,241,808 |
| 2014-09-25 | Open-market buy | 5,000 | $8.50 | 143,236,808 |
| 2014-09-24 | Open-market buy | 200 | $8.12 | 143,171,208 |
| 2014-09-24 | Open-market buy | 2,200 | $8.11 | 143,171,008 |
| 2014-09-24 | Open-market buy | 1,200 | $8.12 | 143,172,408 |
| 2014-09-24 | Open-market buy | 195 | $8.34 | 143,231,808 |
| 2014-09-24 | Open-market buy | 2,100 | $8.33 | 143,231,613 |
| 2014-09-24 | Open-market buy | 600 | $8.30 | 143,229,513 |
| 2014-09-24 | Open-market buy | 1,000 | $8.29 | 143,228,913 |
| 2014-09-24 | Open-market buy | 2,300 | $8.27 | 143,227,913 |
| 2014-09-24 | Open-market buy | 700 | $8.27 | 143,225,613 |
| 2014-09-24 | Open-market buy | 6,900 | $8.26 | 143,224,913 |
| 2014-09-24 | Open-market buy | 200 | $8.26 | 143,218,013 |
| 2014-09-24 | Open-market buy | 20,805 | $8.25 | 143,217,813 |
| 2014-09-24 | Open-market buy | 800 | $8.25 | 143,197,008 |
| 2014-09-24 | Open-market buy | 400 | $8.25 | 143,196,208 |
| 2014-09-24 | Open-market buy | 4,900 | $8.24 | 143,195,808 |
| 2014-09-24 | Open-market buy | 100 | $8.24 | 143,190,908 |
| 2014-09-24 | Open-market buy | 5,600 | $8.22 | 143,190,808 |
| 2014-09-24 | Open-market buy | 400 | $8.22 | 143,185,208 |
| 2014-09-24 | Open-market buy | 11,000 | $8.19 | 143,184,808 |
| 2014-09-24 | Open-market buy | 1,200 | $8.13 | 143,173,808 |
| 2014-09-24 | Open-market buy | 200 | $8.13 | 143,172,608 |
| 2014-09-23 | Open-market buy | 100 | $8.36 | 143,148,908 |
| 2014-09-23 | Open-market buy | 4,100 | $8.35 | 143,148,808 |
| 2014-09-23 | Open-market buy | 1,000 | $8.35 | 143,144,708 |
| 2014-09-23 | Open-market buy | 32 | $8.35 | 143,143,708 |
| 2014-09-23 | Open-market buy | 2,468 | $8.34 | 143,143,676 |
| 2014-09-23 | Open-market buy | 2,300 | $8.33 | 143,141,208 |
| 2014-09-23 | Open-market buy | 100 | $8.33 | 143,138,908 |
| 2014-09-23 | Open-market buy | 8,900 | $8.30 | 143,138,808 |
| 2014-09-23 | Open-market buy | 100 | $8.30 | 143,129,908 |
| 2014-09-23 | Open-market buy | 3,100 | $8.29 | 143,129,808 |
| 2014-09-23 | Open-market buy | 9,258 | $8.28 | 143,126,708 |
| 2014-09-23 | Open-market buy | 100 | $8.28 | 143,117,450 |
| 2014-09-23 | Open-market buy | 4,400 | $8.36 | 143,153,708 |
| 2014-09-23 | Open-market buy | 6,100 | $8.37 | 143,159,808 |
| 2014-09-23 | Open-market buy | 1,000 | $8.38 | 143,160,808 |
| 2014-09-23 | Open-market buy | 1,000 | $8.39 | 143,161,808 |
| 2014-09-23 | Open-market buy | 1,000 | $8.40 | 143,162,808 |
| 2014-09-23 | Open-market buy | 1,000 | $8.41 | 143,163,808 |
| 2014-09-23 | Open-market buy | 5,000 | $8.43 | 143,168,808 |
| 2014-09-23 | Open-market buy | 1,900 | $8.26 | 143,100,608 |
| 2014-09-23 | Open-market buy | 13,300 | $8.26 | 143,113,908 |
| 2014-09-23 | Open-market buy | 2,000 | $8.27 | 143,115,908 |
| 2014-09-23 | Open-market buy | 1,442 | $8.28 | 143,117,350 |
| 2014-09-23 | Open-market buy | 400 | $8.36 | 143,149,308 |
| 2014-09-19 | Open-market buy | 1,000 | $8.45 | 143,098,708 |
| 2014-09-19 | Open-market buy | 1,000 | $8.43 | 143,097,708 |
| 2014-09-19 | Open-market buy | 12,300 | $8.42 | 143,096,708 |
| 2014-09-19 | Open-market buy | 12,000 | $8.41 | 143,084,408 |
| 2014-09-19 | Open-market buy | 1,400 | $8.41 | 143,072,408 |
| 2014-09-19 | Open-market buy | 7,300 | $8.40 | 143,071,008 |
| 2014-09-18 | Open-market buy | 2,400 | $8.49 | 143,045,908 |
| 2014-09-18 | Open-market buy | 4,100 | $8.51 | 143,062,908 |
| 2014-09-18 | Open-market buy | 100 | $8.51 | 143,058,808 |
| 2014-09-18 | Open-market buy | 6,000 | $8.50 | 143,058,708 |
| 2014-09-18 | Open-market buy | 6,800 | $8.49 | 143,052,708 |
| 2014-09-18 | Open-market buy | 800 | $8.52 | 143,063,708 |
| 2014-09-18 | Open-market buy | 9,900 | $8.48 | 143,043,508 |
| 2014-09-18 | Open-market buy | 800 | $8.48 | 143,033,608 |
| 2014-09-18 | Open-market buy | 100 | $8.48 | 143,032,808 |
| 2014-09-18 | Open-market buy | 3,000 | $8.47 | 143,032,708 |
| 2014-09-18 | Open-market buy | 6,000 | $8.46 | 143,029,708 |
| 2014-09-16 | Open-market buy | 4,900 | $8.46 | 143,003,708 |
| 2014-09-16 | Open-market buy | 100 | $8.46 | 142,998,808 |
| 2014-09-16 | Open-market buy | 500 | $8.52 | 143,023,708 |
| 2014-09-16 | Open-market buy | 6,500 | $8.51 | 143,023,208 |
| 2014-09-16 | Open-market buy | 1,000 | $8.50 | 143,016,708 |
| 2014-09-16 | Open-market buy | 1,500 | $8.50 | 143,015,708 |
| 2014-09-16 | Open-market buy | 4,100 | $8.49 | 143,014,208 |
| 2014-09-16 | Open-market buy | 1,110 | $8.49 | 143,010,108 |
| 2014-09-16 | Open-market buy | 100 | $8.49 | 143,008,998 |
| 2014-09-16 | Open-market buy | 2,000 | $8.48 | 143,008,898 |
| 2014-09-16 | Open-market buy | 2,610 | $8.47 | 143,006,898 |
| 2014-09-16 | Open-market buy | 580 | $8.47 | 143,004,288 |
| 2014-09-15 | Open-market buy | 200 | $8.52 | 142,986,908 |
| 2014-09-15 | Open-market buy | 1,600 | $8.53 | 142,994,408 |
| 2014-09-15 | Open-market buy | 100 | $8.53 | 142,992,808 |
| 2014-09-15 | Open-market buy | 5,800 | $8.52 | 142,992,708 |
| 2014-09-15 | Open-market buy | 4,300 | $8.53 | 142,998,708 |
| 2014-09-15 | Open-market buy | 2,039 | $8.51 | 142,986,708 |
| 2014-09-15 | Open-market buy | 2,000 | $8.51 | 142,984,669 |
| 2014-09-15 | Open-market buy | 3,961 | $8.50 | 142,982,669 |
| 2014-09-12 | Open-market buy | 5,000 | $8.58 | 142,973,708 |
| 2014-09-12 | Open-market buy | 5,000 | $8.59 | 142,978,708 |
| 2014-09-12 | Open-market buy | 5,000 | $8.55 | 142,968,708 |
| 2014-09-11 | Open-market buy | 700 | $8.53 | 142,951,908 |
| 2014-09-11 | Open-market buy | 109 | $8.61 | 142,961,744 |
| 2014-09-11 | Open-market buy | 2,927 | $8.60 | 142,961,635 |
| 2014-09-11 | Open-market buy | 300 | $8.55 | 142,958,708 |
| 2014-09-11 | Open-market buy | 500 | $8.54 | 142,958,408 |
| 2014-09-11 | Open-market buy | 6,000 | $8.53 | 142,957,908 |
| 2014-09-11 | Open-market buy | 1,964 | $8.61 | 142,963,708 |
| 2014-09-11 | Open-market buy | 444 | $8.53 | 142,951,208 |
| 2014-09-11 | Open-market buy | 300 | $8.53 | 142,950,764 |
| 2014-09-11 | Open-market buy | 5,956 | $8.51 | 142,950,464 |
| 2014-09-11 | Open-market buy | 700 | $8.51 | 142,944,508 |
| 2014-09-11 | Open-market buy | 100 | $8.51 | 142,943,808 |
| 2014-09-10 | Open-market buy | 300 | $8.58 | 142,939,408 |
| 2014-09-10 | Open-market buy | 400 | $8.58 | 142,939,108 |
| 2014-09-10 | Open-market buy | 4,300 | $8.58 | 142,943,708 |
| 2014-09-10 | Open-market buy | 378 | $8.52 | 142,934,086 |
| 2014-09-10 | Open-market buy | 4,622 | $8.52 | 142,938,708 |
| 2014-09-09 | Open-market buy | 100 | $8.53 | 142,899,599 |
| 2014-09-09 | Open-market buy | 1,491 | $8.52 | 142,899,499 |
| 2014-09-09 | Open-market buy | 100 | $8.53 | 142,899,699 |
| 2014-09-09 | Open-market buy | 100 | $8.53 | 142,899,799 |
| 2014-09-09 | Open-market buy | 200 | $8.53 | 142,899,999 |
| 2014-09-09 | Open-market buy | 7,809 | $8.53 | 142,907,808 |
| 2014-09-09 | Open-market buy | 5,462 | $8.54 | 142,913,270 |
| 2014-09-09 | Open-market buy | 6,838 | $8.55 | 142,920,108 |
| 2014-09-09 | Open-market buy | 3,500 | $8.56 | 142,923,608 |
| 2014-09-09 | Open-market buy | 7,600 | $8.56 | 142,931,208 |
| 2014-09-09 | Open-market buy | 2,500 | $8.57 | 142,933,708 |
| 2014-09-05 | Open-market buy | 4,400 | $8.53 | 142,897,293 |
| 2014-09-05 | Open-market buy | 100 | $8.49 | 142,859,908 |
| 2014-09-05 | Open-market buy | 2,000 | $8.49 | 142,859,608 |
| 2014-09-05 | Open-market buy | 1,100 | $8.48 | 142,857,608 |
| 2014-09-05 | Open-market buy | 1,000 | $8.46 | 142,856,508 |
| 2014-09-05 | Open-market buy | 4,000 | $8.45 | 142,855,508 |
| 2014-09-05 | Open-market buy | 4,600 | $8.44 | 142,851,508 |
| 2014-09-05 | Open-market buy | 4,900 | $8.43 | 142,846,908 |
| 2014-09-05 | Open-market buy | 500 | $8.41 | 142,842,008 |
| 2014-09-05 | Open-market buy | 1,000 | $8.38 | 142,841,508 |
| 2014-09-05 | Open-market buy | 500 | $8.37 | 142,840,508 |
| 2014-09-05 | Open-market buy | 715 | $8.54 | 142,898,008 |
| 2014-09-05 | Open-market buy | 200 | $8.49 | 142,859,808 |
| 2014-09-05 | Open-market buy | 1,100 | $8.53 | 142,892,893 |
| 2014-09-05 | Open-market buy | 285 | $8.52 | 142,891,793 |
| 2014-09-05 | Open-market buy | 8,650 | $8.51 | 142,891,508 |
| 2014-09-05 | Open-market buy | 100 | $8.51 | 142,882,858 |
| 2014-09-05 | Open-market buy | 150 | $8.51 | 142,882,758 |
| 2014-09-05 | Open-market buy | 800 | $8.51 | 142,882,608 |
| 2014-09-05 | Open-market buy | 10,932 | $8.50 | 142,881,808 |
| 2014-09-05 | Open-market buy | 100 | $8.50 | 142,870,876 |
| 2014-09-05 | Open-market buy | 10,868 | $8.49 | 142,870,776 |
| 2014-09-04 | Open-market buy | 3,982 | $8.68 | 142,838,990 |
| 2014-09-04 | Open-market buy | 500 | $8.67 | 142,835,008 |
| 2014-09-04 | Open-market buy | 500 | $8.66 | 142,834,508 |
| 2014-09-04 | Open-market buy | 1,000 | $8.65 | 142,834,008 |
| 2014-09-04 | Open-market buy | 1,000 | $8.62 | 142,833,008 |
| 2014-09-04 | Open-market buy | 1,000 | $8.60 | 142,832,008 |
| 2014-09-04 | Open-market buy | 12,933 | $8.59 | 142,831,008 |
| 2014-09-04 | Open-market buy | 67 | $8.59 | 142,818,075 |
| 2014-09-04 | Open-market buy | 10,300 | $8.58 | 142,818,008 |
| 2014-09-04 | Open-market buy | 700 | $8.57 | 142,807,708 |
| 2014-09-04 | Open-market buy | 1,018 | $8.69 | 142,840,008 |
| 2014-09-04 | Open-market buy | 800 | $8.57 | 142,807,008 |
| 2014-09-04 | Open-market buy | 1,200 | $8.56 | 142,806,208 |
| 2014-09-02 | Open-market buy | 200 | $8.78 | 142,795,208 |
| 2014-09-02 | Open-market buy | 4,600 | $8.79 | 142,805,008 |
| 2014-09-02 | Open-market buy | 4,800 | $8.78 | 142,800,008 |
| 2014-09-02 | Open-market buy | 400 | $8.79 | 142,800,408 |
| 2014-08-29 | Open-market buy | 100 | $8.90 | 142,779,608 |
| 2014-08-29 | Open-market buy | 1,000 | $8.88 | 142,776,008 |
| 2014-08-29 | Open-market buy | 300 | $8.89 | 142,776,308 |
| 2014-08-29 | Open-market buy | 3,200 | $8.89 | 142,779,508 |
| 2014-08-29 | Open-market buy | 1,133 | $8.96 | 142,795,008 |
| 2014-08-29 | Open-market buy | 1,000 | $8.95 | 142,793,875 |
| 2014-08-29 | Open-market buy | 2,867 | $8.94 | 142,792,875 |
| 2014-08-29 | Open-market buy | 6,783 | $8.91 | 142,790,008 |
| 2014-08-29 | Open-market buy | 1,617 | $8.91 | 142,783,225 |
| 2014-08-29 | Open-market buy | 100 | $8.91 | 142,781,608 |
| 2014-08-29 | Open-market buy | 1,900 | $8.90 | 142,781,508 |
| 2014-08-28 | Open-market buy | 54 | $8.85 | 142,760,562 |
| 2014-08-28 | Open-market buy | 4,400 | $8.80 | 142,749,408 |
| 2014-08-28 | Open-market buy | 1,600 | $8.81 | 142,751,008 |
| 2014-08-28 | Open-market buy | 1,500 | $8.87 | 142,775,008 |
| 2014-08-28 | Open-market buy | 3,300 | $8.86 | 142,773,508 |
| 2014-08-28 | Open-market buy | 1,700 | $8.86 | 142,770,208 |
| 2014-08-28 | Open-market buy | 7,946 | $8.85 | 142,768,508 |
| 2014-08-28 | Open-market buy | 5,100 | $8.83 | 142,760,508 |
| 2014-08-28 | Open-market buy | 1,500 | $8.83 | 142,755,408 |
| 2014-08-28 | Open-market buy | 2,900 | $8.82 | 142,753,908 |
| 2014-08-27 | Open-market buy | 300 | $8.90 | 142,732,780 |
| 2014-08-27 | Open-market buy | 472 | $8.90 | 142,732,480 |
| 2014-08-27 | Open-market buy | 7,000 | $8.89 | 142,732,008 |
| 2014-08-27 | Open-market buy | 2,800 | $8.87 | 142,725,008 |
| 2014-08-27 | Open-market buy | 200 | $8.87 | 142,722,208 |
| 2014-08-27 | Open-market buy | 8,500 | $8.86 | 142,722,008 |
| 2014-08-27 | Open-market buy | 500 | $8.86 | 142,713,508 |
| 2014-08-27 | Open-market buy | 3,000 | $8.85 | 142,713,008 |
| 2014-08-27 | Open-market buy | 2,000 | $8.91 | 142,745,008 |
| 2014-08-27 | Open-market buy | 10,228 | $8.90 | 142,743,008 |
| 2014-08-22 | Open-market buy | 100 | $8.78 | 142,683,008 |
| 2014-08-22 | Open-market buy | 1,700 | $8.78 | 142,684,708 |
| 2014-08-22 | Open-market buy | 2,756 | $8.79 | 142,687,464 |
| 2014-08-22 | Open-market buy | 2,244 | $8.80 | 142,689,708 |
| 2014-08-22 | Open-market buy | 125 | $8.81 | 142,689,833 |
| 2014-08-22 | Open-market buy | 5,175 | $8.81 | 142,695,008 |
| 2014-08-22 | Open-market buy | 900 | $8.82 | 142,695,908 |
| 2014-08-22 | Open-market buy | 500 | $8.82 | 142,696,408 |
| 2014-08-22 | Open-market buy | 13,600 | $8.82 | 142,710,008 |
| 2014-08-22 | Open-market buy | 100 | $8.77 | 142,679,108 |
| 2014-08-22 | Open-market buy | 100 | $8.77 | 142,679,208 |
| 2014-08-22 | Open-market buy | 3,700 | $8.77 | 142,682,908 |
| 2014-08-21 | Open-market buy | 100 | $8.81 | 142,664,108 |
| 2014-08-21 | Open-market buy | 1,900 | $8.84 | 142,675,908 |
| 2014-08-21 | Open-market buy | 3,000 | $8.82 | 142,674,008 |
| 2014-08-21 | Open-market buy | 6,900 | $8.81 | 142,671,008 |
| 2014-08-21 | Open-market buy | 3,100 | $8.85 | 142,679,008 |
| 2014-08-21 | Open-market buy | 1,800 | $8.80 | 142,664,008 |
| 2014-08-21 | Open-market buy | 2,700 | $8.79 | 142,662,208 |
| 2014-08-21 | Open-market buy | 5,500 | $8.78 | 142,659,508 |
| 2014-08-20 | Open-market buy | 1,700 | $8.86 | 142,629,008 |
| 2014-08-20 | Open-market buy | 5,000 | $8.85 | 142,624,008 |
| 2014-08-20 | Open-market buy | 1,900 | $8.86 | 142,625,908 |
| 2014-08-20 | Open-market buy | 600 | $8.86 | 142,626,508 |
| 2014-08-20 | Open-market buy | 800 | $8.86 | 142,627,308 |
| 2014-08-20 | Open-market buy | 5,000 | $8.88 | 142,634,008 |
| 2014-08-20 | Open-market buy | 1,200 | $8.91 | 142,635,208 |
| 2014-08-20 | Open-market buy | 100 | $8.91 | 142,635,308 |
| 2014-08-20 | Open-market buy | 8,700 | $8.91 | 142,644,008 |
| 2014-08-20 | Open-market buy | 4,675 | $8.99 | 142,654,008 |
| 2014-08-20 | Open-market buy | 3,725 | $8.98 | 142,649,333 |
| 2014-08-20 | Open-market buy | 600 | $8.97 | 142,645,608 |
| 2014-08-20 | Open-market buy | 1,000 | $8.96 | 142,645,008 |
| 2014-08-19 | Open-market buy | 100 | $9.06 | 142,610,608 |
| 2014-08-19 | Open-market buy | 8,400 | $9.06 | 142,619,008 |
| 2014-08-19 | Open-market buy | 900 | $9.06 | 142,609,908 |
| 2014-08-19 | Open-market buy | 600 | $9.06 | 142,610,508 |
| 2014-08-15 | Open-market buy | 2,000 | $9.10 | 142,609,008 |
| 2014-08-15 | Open-market buy | 300 | $9.10 | 142,607,008 |
| 2014-08-15 | Open-market buy | 500 | $9.10 | 142,606,708 |
| 2014-08-15 | Open-market buy | 2,900 | $9.09 | 142,606,208 |
| 2014-08-15 | Open-market buy | 3,200 | $9.08 | 142,603,308 |
| 2014-08-15 | Open-market buy | 100 | $9.07 | 142,597,708 |
| 2014-08-15 | Open-market buy | 1,600 | $9.07 | 142,599,308 |
| 2014-08-15 | Open-market buy | 800 | $9.08 | 142,600,108 |
| 2014-08-14 | Open-market buy | 500 | $9.04 | 142,583,708 |
| 2014-08-14 | Open-market buy | 4,900 | $9.05 | 142,594,308 |
| 2014-08-14 | Open-market buy | 5,600 | $9.04 | 142,589,408 |
| 2014-08-14 | Open-market buy | 100 | $9.04 | 142,583,808 |
| 2014-08-14 | Open-market buy | 3,300 | $9.06 | 142,597,608 |
| 2014-08-14 | Open-market buy | 900 | $9.04 | 142,583,208 |
| 2014-08-14 | Open-market buy | 735 | $9.03 | 142,582,308 |
| 2014-08-14 | Open-market buy | 3,265 | $9.02 | 142,581,573 |
| 2014-08-12 | Open-market buy | 6,650 | $8.89 | 142,532,058 |
| 2014-08-12 | Open-market buy | 100 | $8.88 | 142,518,408 |
| 2014-08-12 | Open-market buy | 900 | $8.87 | 142,518,308 |
| 2014-08-12 | Open-market buy | 2,000 | $8.87 | 142,517,408 |
| 2014-08-12 | Open-market buy | 100 | $8.87 | 142,515,408 |
| 2014-08-12 | Open-market buy | 5,000 | $9.11 | 142,578,308 |
| 2014-08-12 | Open-market buy | 7,600 | $9.07 | 142,573,308 |
| 2014-08-12 | Open-market buy | 300 | $9.07 | 142,565,708 |
| 2014-08-12 | Open-market buy | 100 | $9.07 | 142,565,408 |
| 2014-08-12 | Open-market buy | 5,000 | $9.05 | 142,565,308 |
| 2014-08-12 | Open-market buy | 100 | $9.04 | 142,560,308 |
| 2014-08-12 | Open-market buy | 5,604 | $9.03 | 142,560,208 |
| 2014-08-12 | Open-market buy | 100 | $9.03 | 142,554,604 |
| 2014-08-12 | Open-market buy | 2,548 | $9.02 | 142,554,504 |
| 2014-08-12 | Open-market buy | 648 | $9.02 | 142,551,956 |
| 2014-08-12 | Open-market buy | 2,900 | $8.98 | 142,551,308 |
| 2014-08-12 | Open-market buy | 100 | $8.98 | 142,548,408 |
| 2014-08-12 | Open-market buy | 2,100 | $8.95 | 142,548,308 |
| 2014-08-12 | Open-market buy | 900 | $8.95 | 142,546,208 |
| 2014-08-12 | Open-market buy | 1,400 | $8.92 | 142,545,308 |
| 2014-08-12 | Open-market buy | 300 | $8.92 | 142,543,908 |
| 2014-08-12 | Open-market buy | 3,300 | $8.91 | 142,543,608 |
| 2014-08-12 | Open-market buy | 100 | $8.91 | 142,540,308 |
| 2014-08-12 | Open-market buy | 500 | $8.91 | 142,540,208 |
| 2014-08-12 | Open-market buy | 7,550 | $8.90 | 142,539,708 |
| 2014-08-12 | Open-market buy | 100 | $8.90 | 142,532,158 |
| 2014-08-12 | Open-market buy | 100 | $8.88 | 142,518,508 |
| 2014-08-12 | Open-market buy | 6,900 | $8.88 | 142,525,408 |
| 2014-08-04 | Open-market buy | 3,960 | $8.75 | 142,514,508 |
| 2014-08-04 | Open-market buy | 800 | $8.76 | 142,515,308 |
| 2014-08-04 | Open-market buy | 240 | $8.74 | 142,510,548 |
| 2014-08-01 | Open-market buy | 100 | $8.62 | 142,485,408 |
| 2014-08-01 | Open-market buy | 3,800 | $8.62 | 142,489,208 |
| 2014-08-01 | Open-market buy | 100 | $8.63 | 142,489,308 |
| 2014-08-01 | Open-market buy | 900 | $8.63 | 142,490,208 |
| 2014-08-01 | Open-market buy | 2,400 | $8.64 | 142,492,608 |
| 2014-08-01 | Open-market buy | 1,900 | $8.65 | 142,494,508 |
| 2014-08-01 | Open-market buy | 100 | $8.66 | 142,494,608 |
| 2014-08-01 | Open-market buy | 100 | $8.66 | 142,494,708 |
| 2014-08-01 | Open-market buy | 1,066 | $8.66 | 142,495,774 |
| 2014-08-01 | Open-market buy | 4,134 | $8.66 | 142,499,908 |
| 2014-08-01 | Open-market buy | 100 | $8.67 | 142,500,008 |
| 2014-08-01 | Open-market buy | 3,632 | $8.67 | 142,503,640 |
| 2014-08-01 | Open-market buy | 1,668 | $8.68 | 142,505,308 |
| 2014-08-01 | Open-market buy | 100 | $8.73 | 142,505,408 |
| 2014-08-01 | Open-market buy | 4,900 | $8.73 | 142,510,308 |
| 2014-07-30 | Open-market buy | 1,000 | $8.96 | 142,467,608 |
| 2014-07-30 | Open-market buy | 100 | $9.00 | 142,483,708 |
| 2014-07-30 | Open-market buy | 4,100 | $8.99 | 142,483,608 |
| 2014-07-30 | Open-market buy | 8,400 | $8.98 | 142,479,508 |
| 2014-07-30 | Open-market buy | 3,500 | $8.97 | 142,471,108 |
| 2014-07-30 | Open-market buy | 1,600 | $9.00 | 142,485,308 |
| 2014-07-30 | Open-market buy | 6,200 | $8.95 | 142,466,608 |
| 2014-07-30 | Open-market buy | 100 | $8.95 | 142,460,408 |
| 2014-07-29 | Open-market buy | 6,024 | $9.07 | 142,460,308 |
| 2014-07-29 | Open-market buy | 1,376 | $9.06 | 142,454,284 |
| 2014-07-29 | Open-market buy | 11,100 | $9.05 | 142,452,908 |
| 2014-07-28 | Option exercise (derivative) | 24,877 | $0.00 | 0 |
| 2014-07-28 | Option exercise (derivative) | 630,048 | $0.00 | 0 |
| 2014-07-28 | Option exercise | 630,048 | $2.48 | 142,441,808 |
| 2014-07-28 | Option exercise | 24,877 | $0.66 | 2,012,377 |
| 2014-07-25 | Open-market buy | 3,100 | $9.01 | 141,801,960 |
| 2014-07-25 | Open-market buy | 1,800 | $9.08 | 141,810,560 |
| 2014-07-25 | Open-market buy | 5,000 | $9.06 | 141,808,760 |
| 2014-07-25 | Open-market buy | 200 | $9.03 | 141,803,760 |
| 2014-07-25 | Open-market buy | 1,600 | $9.02 | 141,803,560 |
| 2014-07-25 | Open-market buy | 1,200 | $9.09 | 141,811,760 |
| 2014-07-25 | Open-market buy | 100 | $9.01 | 141,798,860 |
| 2014-07-25 | Open-market buy | 12,200 | $9.00 | 141,798,760 |
| 2014-07-25 | Open-market buy | 800 | $9.00 | 141,786,560 |
| 2014-07-25 | Open-market buy | 10,000 | $8.99 | 141,785,760 |
| 2014-07-23 | Open-market buy | 9,271 | $8.90 | 141,775,759 |
| 2014-07-23 | Open-market buy | 200 | $8.90 | 141,766,488 |
| 2014-07-23 | Open-market buy | 529 | $8.90 | 141,766,288 |
| 2014-07-22 | Open-market buy | 100 | $8.66 | 141,747,859 |
| 2014-07-22 | Open-market buy | 2,000 | $8.64 | 141,737,759 |
| 2014-07-22 | Open-market buy | 10,000 | $8.65 | 141,747,759 |
| 2014-07-22 | Open-market buy | 4,500 | $8.69 | 141,765,259 |
| 2014-07-22 | Open-market buy | 7,000 | $8.67 | 141,760,759 |
| 2014-07-22 | Open-market buy | 5,900 | $8.66 | 141,753,759 |
| 2014-07-22 | Open-market buy | 500 | $8.70 | 141,765,759 |
| 2014-07-17 | Open-market buy | 1,000 | $8.69 | 141,730,759 |
| 2014-07-17 | Open-market buy | 100 | $8.68 | 141,729,759 |
| 2014-07-17 | Open-market buy | 900 | $8.67 | 141,729,659 |
| 2014-07-17 | Open-market buy | 500 | $8.66 | 141,728,759 |
| 2014-07-17 | Open-market buy | 7,200 | $8.65 | 141,728,259 |
| 2014-07-17 | Open-market buy | 200 | $8.65 | 141,721,059 |
| 2014-07-17 | Open-market buy | 100 | $8.65 | 141,720,859 |
| 2014-07-17 | Open-market buy | 3,500 | $8.64 | 141,720,759 |
| 2014-07-17 | Open-market buy | 1,500 | $8.63 | 141,717,259 |
| 2014-07-17 | Open-market buy | 6,300 | $8.62 | 141,715,759 |
| 2014-07-17 | Open-market buy | 5,000 | $8.73 | 141,735,759 |
| 2014-07-17 | Open-market buy | 100 | $8.62 | 141,709,359 |
| 2014-07-17 | Open-market buy | 2,500 | $8.61 | 141,709,259 |
| 2014-07-17 | Open-market buy | 3,500 | $8.60 | 141,706,759 |
| 2014-07-17 | Open-market buy | 1,000 | $8.59 | 141,703,259 |
| 2014-07-17 | Open-market buy | 500 | $8.58 | 141,702,259 |
| 2014-07-17 | Open-market buy | 5,500 | $8.57 | 141,701,759 |
| 2014-07-17 | Open-market buy | 500 | $8.56 | 141,696,259 |
| 2014-07-17 | Open-market buy | 100 | $8.62 | 141,709,459 |
| 2014-07-16 | Open-market buy | 200 | $8.73 | 141,676,459 |
| 2014-07-16 | Open-market buy | 5,500 | $8.76 | 141,688,259 |
| 2014-07-16 | Open-market buy | 2,000 | $8.75 | 141,682,759 |
| 2014-07-16 | Open-market buy | 1,500 | $8.74 | 141,680,759 |
| 2014-07-16 | Open-market buy | 2,700 | $8.73 | 141,679,259 |
| 2014-07-16 | Open-market buy | 100 | $8.73 | 141,676,559 |
| 2014-07-16 | Open-market buy | 3,400 | $8.77 | 141,691,659 |
| 2014-07-16 | Open-market buy | 500 | $8.72 | 141,676,259 |
| 2014-07-16 | Open-market buy | 100 | $8.78 | 141,691,759 |
| 2014-07-16 | Open-market buy | 700 | $8.79 | 141,692,459 |
| 2014-07-16 | Open-market buy | 2,660 | $8.80 | 141,695,119 |
| 2014-07-16 | Open-market buy | 640 | $8.81 | 141,695,759 |
| 2014-07-15 | Open-market buy | 100 | $8.73 | 141,657,759 |
| 2014-07-15 | Open-market buy | 400 | $8.78 | 141,673,159 |
| 2014-07-15 | Open-market buy | 1,000 | $8.76 | 141,672,759 |
| 2014-07-15 | Open-market buy | 2,000 | $8.75 | 141,671,759 |
| 2014-07-15 | Open-market buy | 2,200 | $8.74 | 141,669,759 |
| 2014-07-15 | Open-market buy | 300 | $8.74 | 141,667,559 |
| 2014-07-15 | Open-market buy | 9,500 | $8.73 | 141,667,259 |
| 2014-07-15 | Open-market buy | 2,600 | $8.79 | 141,675,759 |
| 2014-07-15 | Open-market buy | 2,533 | $8.72 | 141,657,659 |
| 2014-07-15 | Open-market buy | 2,867 | $8.71 | 141,655,126 |
| 2014-07-15 | Open-market buy | 500 | $8.70 | 141,652,259 |
| 2014-07-15 | Open-market buy | 1,000 | $8.68 | 141,651,759 |
| 2014-07-15 | Open-market buy | 752 | $8.65 | 141,650,759 |
| 2014-07-15 | Open-market buy | 248 | $8.64 | 141,650,007 |
| 2014-07-14 | Open-market buy | 4,583 | $8.90 | 141,639,542 |
| 2014-07-14 | Open-market buy | 2,400 | $8.94 | 141,649,659 |
| 2014-07-14 | Open-market buy | 2,500 | $8.93 | 141,647,259 |
| 2014-07-14 | Open-market buy | 5,217 | $8.91 | 141,644,759 |
| 2014-07-14 | Open-market buy | 100 | $8.95 | 141,649,759 |
| 2014-07-14 | Open-market buy | 200 | $8.90 | 141,634,959 |
| 2014-07-14 | Open-market buy | 900 | $8.89 | 141,634,759 |
| 2014-07-14 | Open-market buy | 100 | $8.89 | 141,633,859 |
| 2014-07-14 | Open-market buy | 4,000 | $8.88 | 141,633,759 |
| 2014-07-10 | Open-market buy | 600 | $8.82 | 141,622,359 |
| 2014-07-10 | Open-market buy | 7,000 | $8.77 | 141,621,759 |
| 2014-07-10 | Open-market buy | 2,600 | $8.76 | 141,614,759 |
| 2014-07-10 | Open-market buy | 300 | $8.76 | 141,612,159 |
| 2014-07-10 | Open-market buy | 100 | $8.76 | 141,611,859 |
| 2014-07-10 | Open-market buy | 2,000 | $8.67 | 141,611,759 |
| 2014-07-10 | Open-market buy | 500 | $8.82 | 141,622,859 |
| 2014-07-10 | Open-market buy | 1,800 | $8.83 | 141,626,659 |
| 2014-07-10 | Open-market buy | 1,000 | $8.95 | 141,629,759 |
| 2014-07-10 | Open-market buy | 1,000 | $8.91 | 141,628,759 |
| 2014-07-10 | Open-market buy | 1,000 | $8.90 | 141,627,759 |
| 2014-07-10 | Open-market buy | 100 | $8.84 | 141,626,759 |
| 2014-07-10 | Open-market buy | 1,900 | $8.82 | 141,624,759 |
| 2014-07-10 | Open-market buy | 100 | $8.83 | 141,624,859 |
| 2014-07-08 | Open-market buy | 1,470 | $8.69 | 141,608,056 |
| 2014-07-08 | Open-market buy | 2,400 | $8.60 | 141,604,759 |
| 2014-07-08 | Open-market buy | 1,600 | $8.60 | 141,602,359 |
| 2014-07-08 | Open-market buy | 300 | $8.59 | 141,600,759 |
| 2014-07-08 | Open-market buy | 4,900 | $8.57 | 141,600,459 |
| 2014-07-08 | Open-market buy | 100 | $8.57 | 141,595,559 |
| 2014-07-08 | Open-market buy | 10,300 | $8.56 | 141,595,459 |
| 2014-07-08 | Open-market buy | 400 | $8.55 | 141,585,159 |
| 2014-07-08 | Open-market buy | 1,300 | $8.54 | 141,584,759 |
| 2014-07-08 | Open-market buy | 1,000 | $8.53 | 141,583,459 |
| 2014-07-08 | Open-market buy | 1,200 | $8.52 | 141,582,459 |
| 2014-07-08 | Open-market buy | 500 | $8.51 | 141,581,259 |
| 2014-07-08 | Open-market buy | 1,000 | $8.50 | 141,580,759 |
| 2014-07-08 | Open-market buy | 1,503 | $8.73 | 141,609,759 |
| 2014-07-08 | Open-market buy | 200 | $8.72 | 141,608,256 |
| 2014-07-08 | Open-market buy | 1,000 | $8.66 | 141,605,759 |
| 2014-07-08 | Open-market buy | 827 | $8.68 | 141,606,586 |
| 2014-07-07 | Open-market buy | 100 | $8.80 | 141,564,759 |
| 2014-07-07 | Open-market buy | 5,931 | $8.84 | 141,577,361 |
| 2014-07-07 | Open-market buy | 169 | $8.84 | 141,571,430 |
| 2014-07-07 | Open-market buy | 1,000 | $8.83 | 141,571,261 |
| 2014-07-07 | Open-market buy | 5,502 | $8.82 | 141,570,261 |
| 2014-07-07 | Open-market buy | 2,398 | $8.85 | 141,579,759 |
| 2014-07-07 | Open-market buy | 2,150 | $8.79 | 141,564,659 |
| 2014-07-07 | Open-market buy | 4,650 | $8.78 | 141,562,509 |
| 2014-07-07 | Open-market buy | 100 | $8.78 | 141,557,859 |
| 2014-07-07 | Open-market buy | 4,900 | $8.69 | 141,557,759 |
| 2014-07-07 | Open-market buy | 100 | $8.69 | 141,552,859 |
| 2014-07-03 | Open-market buy | 9,900 | $8.92 | 141,531,959 |
| 2014-07-03 | Open-market buy | 500 | $8.92 | 141,522,059 |
| 2014-07-03 | Open-market buy | 800 | $8.92 | 141,521,559 |
| 2014-07-03 | Open-market buy | 200 | $8.92 | 141,520,759 |
| 2014-07-03 | Open-market buy | 100 | $8.92 | 141,520,559 |
| 2014-07-03 | Open-market buy | 5,482 | $8.83 | 141,520,459 |
| 2014-07-03 | Open-market buy | 4,200 | $8.82 | 141,514,977 |
| 2014-07-03 | Open-market buy | 1,300 | $8.81 | 141,510,777 |
| 2014-07-03 | Open-market buy | 200 | $8.80 | 141,509,477 |
| 2014-07-03 | Open-market buy | 1,209 | $8.75 | 141,509,277 |
| 2014-07-03 | Open-market buy | 1,109 | $8.74 | 141,508,068 |
| 2014-07-03 | Open-market buy | 600 | $8.98 | 141,552,759 |
| 2014-07-03 | Open-market buy | 2,100 | $8.98 | 141,552,159 |
| 2014-07-03 | Open-market buy | 900 | $8.98 | 141,550,059 |
| 2014-07-03 | Open-market buy | 3,600 | $8.97 | 141,549,159 |
| 2014-07-03 | Open-market buy | 4,100 | $8.96 | 141,545,559 |
| 2014-07-03 | Open-market buy | 4,000 | $8.93 | 141,535,959 |
| 2014-07-03 | Open-market buy | 4,000 | $8.94 | 141,539,959 |
| 2014-07-03 | Open-market buy | 1,500 | $8.95 | 141,541,459 |
| 2014-07-02 | Open-market buy | 400 | $8.76 | 141,494,359 |
| 2014-07-02 | Open-market buy | 4,600 | $8.76 | 141,498,959 |
| 2014-07-02 | Open-market buy | 4,100 | $8.79 | 141,503,059 |
| 2014-07-02 | Open-market buy | 3,600 | $8.79 | 141,506,659 |
| 2014-07-02 | Open-market buy | 300 | $8.80 | 141,506,959 |
| 2014-07-01 | Open-market buy | 1,602 | $8.92 | 141,493,959 |
| 2014-07-01 | Open-market buy | 100 | $8.90 | 141,484,059 |
| 2014-07-01 | Open-market buy | 3,100 | $8.90 | 141,487,159 |
| 2014-07-01 | Open-market buy | 4,798 | $8.91 | 141,491,957 |
| 2014-07-01 | Open-market buy | 100 | $8.89 | 141,479,059 |
| 2014-07-01 | Open-market buy | 4,900 | $8.89 | 141,483,959 |
| 2014-07-01 | Open-market buy | 400 | $8.92 | 141,492,357 |
| 2014-06-30 | Open-market buy | 600 | $8.99 | 141,470,859 |
| 2014-06-30 | Open-market buy | 700 | $9.00 | 141,472,459 |
| 2014-06-30 | Open-market buy | 900 | $8.99 | 141,471,759 |
| 2014-06-30 | Open-market buy | 6,500 | $9.01 | 141,478,959 |
| 2014-06-30 | Open-market buy | 300 | $8.99 | 141,470,259 |
| 2014-06-30 | Open-market buy | 5,119 | $8.85 | 141,469,959 |
| 2014-06-30 | Open-market buy | 881 | $8.85 | 141,464,840 |
| 2014-06-27 | Open-market buy | 1,800 | $8.96 | 141,458,959 |
| 2014-06-27 | Open-market buy | 4,720 | $9.00 | 141,463,679 |
| 2014-06-27 | Open-market buy | 280 | $9.01 | 141,463,959 |
| 2014-06-27 | Open-market buy | 9,000 | $8.95 | 141,457,159 |
| 2014-06-27 | Open-market buy | 4,200 | $8.94 | 141,448,159 |
| 2014-06-25 | Open-market buy | 1,500 | $8.71 | 141,431,959 |
| 2014-06-25 | Open-market buy | 9,400 | $8.68 | 141,430,459 |
| 2014-06-25 | Open-market buy | 400 | $8.71 | 141,432,359 |
| 2014-06-25 | Open-market buy | 6,100 | $8.71 | 141,438,459 |
| 2014-06-25 | Open-market buy | 500 | $8.72 | 141,438,959 |
| 2014-06-25 | Open-market buy | 100 | $8.68 | 141,421,059 |
| 2014-06-25 | Open-market buy | 300 | $8.68 | 141,420,959 |
| 2014-06-25 | Open-market buy | 200 | $8.68 | 141,420,659 |
| 2014-06-25 | Open-market buy | 900 | $8.67 | 141,420,459 |
| 2014-06-25 | Open-market buy | 8,216 | $8.66 | 141,419,559 |
| 2014-06-25 | Open-market buy | 100 | $8.66 | 141,411,343 |
| 2014-06-25 | Open-market buy | 784 | $8.65 | 141,411,243 |
| 2014-06-25 | Open-market buy | 11,409 | $8.64 | 141,410,459 |
| 2014-06-25 | Open-market buy | 500 | $8.64 | 141,399,050 |
| 2014-06-25 | Open-market buy | 2,500 | $8.63 | 141,398,550 |
| 2014-06-25 | Open-market buy | 2,388 | $8.62 | 141,396,050 |
| 2014-06-25 | Open-market buy | 400 | $8.62 | 141,393,662 |
| 2014-06-25 | Open-market buy | 2,803 | $8.61 | 141,393,262 |
| 2014-06-25 | Open-market buy | 500 | $8.60 | 141,390,459 |
| 2014-06-25 | Open-market buy | 2,500 | $8.59 | 141,389,959 |
| 2014-06-25 | Open-market buy | 7,500 | $8.58 | 141,387,459 |
| 2014-06-25 | Open-market buy | 500 | $8.57 | 141,379,959 |
| 2014-06-25 | Open-market buy | 500 | $8.54 | 141,379,459 |
| 2014-06-25 | Open-market buy | 4,500 | $8.74 | 141,443,959 |
| 2014-06-25 | Open-market buy | 100 | $8.74 | 141,439,459 |
| 2014-06-25 | Open-market buy | 100 | $8.74 | 141,439,359 |
| 2014-06-25 | Open-market buy | 300 | $8.74 | 141,439,259 |
| 2014-06-24 | Open-market buy | 4,000 | $8.94 | 141,378,959 |
| 2014-06-24 | Open-market buy | 1,000 | $8.94 | 141,374,959 |
| 2014-06-24 | Open-market buy | 500 | $8.91 | 141,373,959 |
| 2014-06-24 | Open-market buy | 2,000 | $8.90 | 141,373,459 |
| 2014-06-24 | Open-market buy | 5,300 | $8.89 | 141,371,459 |
| 2014-06-24 | Open-market buy | 2,600 | $8.88 | 141,366,159 |
| 2014-06-24 | Open-market buy | 100 | $8.88 | 141,363,559 |
| 2014-06-24 | Open-market buy | 400 | $8.87 | 141,363,459 |
| 2014-06-24 | Open-market buy | 100 | $8.87 | 141,363,059 |
| 2014-06-24 | Open-market buy | 800 | $8.85 | 141,362,959 |
| 2014-06-24 | Open-market buy | 900 | $8.84 | 141,362,159 |
| 2014-06-24 | Open-market buy | 8,000 | $8.83 | 141,361,259 |
| 2014-06-24 | Open-market buy | 1,100 | $8.83 | 141,353,259 |
| 2014-06-24 | Open-market buy | 200 | $8.83 | 141,352,159 |
| 2014-06-24 | Open-market buy | 1,100 | $8.81 | 141,351,959 |
| 2014-06-24 | Open-market buy | 100 | $8.81 | 141,350,859 |
| 2014-06-24 | Open-market buy | 200 | $8.81 | 141,350,759 |
| 2014-06-24 | Open-market buy | 200 | $8.81 | 141,350,559 |
| 2014-06-24 | Open-market buy | 400 | $8.81 | 141,350,359 |
| 2014-06-24 | Open-market buy | 900 | $8.80 | 141,349,959 |
| 2014-06-24 | Open-market buy | 100 | $8.80 | 141,349,059 |
| 2014-06-24 | Open-market buy | 500 | $8.79 | 141,348,959 |
| 2014-06-24 | Open-market buy | 9,100 | $8.78 | 141,348,459 |
| 2014-06-24 | Open-market buy | 200 | $8.78 | 141,339,359 |
| 2014-06-24 | Open-market buy | 200 | $8.78 | 141,339,159 |
| 2014-06-23 | Open-market buy | 9,700 | $9.05 | 141,333,959 |
| 2014-06-23 | Open-market buy | 300 | $9.06 | 141,334,259 |
| 2014-06-23 | Open-market buy | 4,700 | $9.06 | 141,338,959 |
| 2014-06-23 | Open-market buy | 300 | $9.05 | 141,324,259 |
| 2014-06-20 | Open-market buy | 1,200 | $9.11 | 141,291,959 |
| 2014-06-20 | Open-market buy | 4,500 | $9.10 | 141,290,759 |
| 2014-06-20 | Open-market buy | 1,700 | $9.09 | 141,286,259 |
| 2014-06-20 | Open-market buy | 600 | $9.09 | 141,284,559 |
| 2014-06-20 | Open-market buy | 4,300 | $9.08 | 141,283,959 |
| 2014-06-20 | Open-market buy | 700 | $9.08 | 141,279,659 |
| 2014-06-20 | Open-market buy | 4,000 | $9.28 | 141,323,959 |
| 2014-06-20 | Open-market buy | 133 | $9.27 | 141,319,959 |
| 2014-06-20 | Open-market buy | 2,867 | $9.26 | 141,319,826 |
| 2014-06-20 | Open-market buy | 1,800 | $9.25 | 141,316,959 |
| 2014-06-20 | Open-market buy | 300 | $9.25 | 141,315,159 |
| 2014-06-20 | Open-market buy | 400 | $9.12 | 141,292,359 |
| 2014-06-20 | Open-market buy | 1,700 | $9.12 | 141,294,059 |
| 2014-06-20 | Open-market buy | 2,403 | $9.13 | 141,296,462 |
| 2014-06-20 | Open-market buy | 717 | $9.14 | 141,297,179 |
| 2014-06-20 | Open-market buy | 5,780 | $9.15 | 141,302,959 |
| 2014-06-20 | Open-market buy | 2,800 | $9.19 | 141,305,759 |
| 2014-06-20 | Open-market buy | 2,000 | $9.20 | 141,307,759 |
| 2014-06-20 | Open-market buy | 700 | $9.21 | 141,308,459 |
| 2014-06-20 | Open-market buy | 2,500 | $9.23 | 141,310,959 |
| 2014-06-20 | Open-market buy | 2,900 | $9.24 | 141,313,859 |
| 2014-06-20 | Open-market buy | 200 | $9.25 | 141,314,859 |
| 2014-06-20 | Open-market buy | 800 | $9.24 | 141,314,659 |
| 2014-06-19 | Open-market buy | 1,100 | $9.18 | 141,231,059 |
| 2014-06-19 | Open-market buy | 14,000 | $9.28 | 141,278,459 |
| 2014-06-19 | Open-market buy | 400 | $9.28 | 141,264,459 |
| 2014-06-19 | Open-market buy | 600 | $9.28 | 141,264,059 |
| 2014-06-19 | Open-market buy | 400 | $9.28 | 141,263,459 |
| 2014-06-19 | Open-market buy | 7,400 | $9.27 | 141,263,059 |
| 2014-06-19 | Open-market buy | 100 | $9.27 | 141,255,659 |
| 2014-06-19 | Open-market buy | 200 | $9.27 | 141,255,559 |
| 2014-06-19 | Open-market buy | 900 | $9.27 | 141,255,359 |
| 2014-06-19 | Open-market buy | 3,400 | $9.26 | 141,254,459 |
| 2014-06-19 | Open-market buy | 100 | $9.26 | 141,251,059 |
| 2014-06-19 | Open-market buy | 100 | $9.26 | 141,250,959 |
| 2014-06-19 | Open-market buy | 2,900 | $9.25 | 141,250,859 |
| 2014-06-19 | Open-market buy | 4,500 | $9.24 | 141,247,959 |
| 2014-06-19 | Open-market buy | 800 | $9.23 | 141,243,459 |
| 2014-06-19 | Open-market buy | 200 | $9.23 | 141,242,659 |
| 2014-06-19 | Open-market buy | 3,100 | $9.22 | 141,242,459 |
| 2014-06-19 | Open-market buy | 100 | $9.22 | 141,239,359 |
| 2014-06-19 | Open-market buy | 300 | $9.22 | 141,239,259 |
| 2014-06-19 | Open-market buy | 4,500 | $9.21 | 141,238,959 |
| 2014-06-19 | Open-market buy | 500 | $9.21 | 141,234,459 |
| 2014-06-19 | Open-market buy | 2,300 | $9.20 | 141,233,959 |
| 2014-06-19 | Open-market buy | 600 | $9.19 | 141,231,659 |
| 2014-06-19 | Open-market buy | 500 | $9.30 | 141,278,959 |
| 2014-06-19 | Open-market buy | 1,000 | $9.16 | 141,229,959 |
| 2014-06-18 | Open-market buy | 200 | $9.43 | 141,228,959 |
| 2014-06-18 | Open-market buy | 200 | $9.26 | 141,209,159 |
| 2014-06-18 | Open-market buy | 1,100 | $9.27 | 141,210,259 |
| 2014-06-18 | Open-market buy | 1,100 | $9.28 | 141,211,359 |
| 2014-06-18 | Open-market buy | 7,600 | $9.29 | 141,218,959 |
| 2014-06-18 | Open-market buy | 100 | $9.42 | 141,219,059 |
| 2014-06-18 | Open-market buy | 9,500 | $9.42 | 141,228,559 |
| 2014-06-18 | Open-market buy | 200 | $9.43 | 141,228,759 |
| 2014-06-12 | Open-market buy | 200 | $9.01 | 141,180,959 |
| 2014-06-12 | Open-market buy | 1,000 | $8.84 | 141,159,959 |
| 2014-06-12 | Open-market buy | 500 | $8.86 | 141,160,459 |
| 2014-06-12 | Open-market buy | 500 | $8.89 | 141,160,959 |
| 2014-06-12 | Open-market buy | 500 | $8.92 | 141,161,459 |
| 2014-06-12 | Open-market buy | 2,800 | $8.93 | 141,164,259 |
| 2014-06-12 | Open-market buy | 23 | $8.94 | 141,164,282 |
| 2014-06-12 | Open-market buy | 3,677 | $8.94 | 141,167,959 |
| 2014-06-12 | Open-market buy | 1,000 | $8.95 | 141,168,959 |
| 2014-06-12 | Open-market buy | 9,000 | $9.10 | 141,208,959 |
| 2014-06-12 | Open-market buy | 5,300 | $9.09 | 141,199,959 |
| 2014-06-12 | Open-market buy | 500 | $9.09 | 141,194,659 |
| 2014-06-12 | Open-market buy | 1,200 | $9.09 | 141,194,159 |
| 2014-06-12 | Open-market buy | 5,000 | $9.08 | 141,192,959 |
| 2014-06-12 | Open-market buy | 2,000 | $9.07 | 141,187,959 |
| 2014-06-12 | Open-market buy | 4,300 | $9.06 | 141,185,959 |
| 2014-06-12 | Open-market buy | 100 | $9.06 | 141,181,659 |
| 2014-06-12 | Open-market buy | 300 | $9.06 | 141,181,559 |
| 2014-06-12 | Open-market buy | 100 | $9.06 | 141,181,259 |
| 2014-06-12 | Open-market buy | 200 | $9.06 | 141,181,159 |
| 2014-06-12 | Open-market buy | 1,900 | $9.00 | 141,180,759 |
| 2014-06-12 | Open-market buy | 100 | $9.00 | 141,178,859 |
| 2014-06-12 | Open-market buy | 2,500 | $8.99 | 141,178,759 |
| 2014-06-12 | Open-market buy | 300 | $8.99 | 141,176,259 |
| 2014-06-12 | Open-market buy | 3,327 | $8.98 | 141,175,959 |
| 2014-06-12 | Open-market buy | 173 | $8.98 | 141,172,632 |
| 2014-06-12 | Open-market buy | 1,000 | $8.97 | 141,172,459 |
| 2014-06-12 | Open-market buy | 2,500 | $8.96 | 141,171,459 |
| 2014-06-11 | Open-market buy | 100 | $9.03 | 141,110,059 |
| 2014-06-11 | Open-market buy | 1,580 | $9.25 | 141,157,539 |
| 2014-06-11 | Open-market buy | 2,800 | $9.20 | 141,155,959 |
| 2014-06-11 | Open-market buy | 200 | $9.20 | 141,153,159 |
| 2014-06-11 | Open-market buy | 100 | $9.13 | 141,152,959 |
| 2014-06-11 | Open-market buy | 2,400 | $9.12 | 141,152,859 |
| 2014-06-11 | Open-market buy | 1,500 | $9.11 | 141,150,459 |
| 2014-06-11 | Open-market buy | 5,800 | $9.09 | 141,148,959 |
| 2014-06-11 | Open-market buy | 13,200 | $9.08 | 141,143,159 |
| 2014-06-11 | Open-market buy | 12,700 | $9.07 | 141,129,959 |
| 2014-06-11 | Open-market buy | 100 | $9.07 | 141,117,259 |
| 2014-06-11 | Open-market buy | 200 | $9.07 | 141,117,159 |
| 2014-06-11 | Open-market buy | 2,000 | $9.06 | 141,116,959 |
| 2014-06-11 | Open-market buy | 2,600 | $9.04 | 141,114,959 |
| 2014-06-11 | Open-market buy | 200 | $9.04 | 141,112,359 |
| 2014-06-11 | Open-market buy | 500 | $9.04 | 141,112,159 |
| 2014-06-11 | Open-market buy | 100 | $9.04 | 141,111,659 |
| 2014-06-11 | Open-market buy | 1,500 | $9.03 | 141,111,559 |
| 2014-06-11 | Open-market buy | 1,420 | $9.26 | 141,158,959 |
| 2014-06-11 | Open-market buy | 1,000 | $9.01 | 141,109,959 |
| 2014-06-10 | Open-market buy | 3,880 | $9.19 | 141,108,959 |
| 2014-06-10 | Open-market buy | 10,000 | $9.14 | 141,098,459 |
| 2014-06-10 | Open-market buy | 2,500 | $9.15 | 141,100,959 |
| 2014-06-10 | Open-market buy | 4,120 | $9.18 | 141,105,079 |
| 2014-06-06 | Open-market buy | 1,400 | $9.28 | 141,079,859 |
| 2014-06-06 | Open-market buy | 1,100 | $9.29 | 141,080,959 |
| 2014-06-06 | Open-market buy | 2,274 | $9.30 | 141,083,233 |
| 2014-06-06 | Open-market buy | 5,026 | $9.31 | 141,088,259 |
| 2014-06-06 | Open-market buy | 200 | $9.32 | 141,088,459 |
| 2014-06-04 | Open-market buy | 100 | $8.79 | 141,072,559 |
| 2014-06-04 | Open-market buy | 10,000 | $8.78 | 141,072,459 |
| 2014-06-04 | Open-market buy | 3,900 | $8.77 | 141,062,459 |
| 2014-06-04 | Open-market buy | 5,900 | $8.79 | 141,078,459 |
| 2014-06-04 | Open-market buy | 100 | $8.77 | 141,058,559 |
| 2014-05-30 | Open-market buy | 1,000 | $8.55 | 141,026,459 |
| 2014-05-30 | Open-market buy | 500 | $8.54 | 141,024,959 |
| 2014-05-30 | Open-market buy | 300 | $8.53 | 141,024,459 |
| 2014-05-30 | Open-market buy | 200 | $8.53 | 141,024,159 |
| 2014-05-30 | Open-market buy | 1,100 | $8.51 | 141,023,959 |
| 2014-05-30 | Open-market buy | 400 | $8.51 | 141,022,859 |
| 2014-05-30 | Open-market buy | 800 | $8.70 | 141,058,459 |
| 2014-05-30 | Open-market buy | 200 | $8.70 | 141,057,659 |
| 2014-05-30 | Open-market buy | 900 | $8.68 | 141,057,459 |
| 2014-05-30 | Open-market buy | 1,100 | $8.68 | 141,056,559 |
| 2014-05-30 | Open-market buy | 900 | $8.67 | 141,055,459 |
| 2014-05-30 | Open-market buy | 100 | $8.67 | 141,054,559 |
| 2014-05-30 | Open-market buy | 1,000 | $8.63 | 141,054,459 |
| 2014-05-30 | Open-market buy | 8,600 | $8.62 | 141,053,459 |
| 2014-05-30 | Open-market buy | 200 | $8.62 | 141,044,859 |
| 2014-05-30 | Open-market buy | 7,600 | $8.61 | 141,044,659 |
| 2014-05-30 | Open-market buy | 100 | $8.61 | 141,037,059 |
| 2014-05-30 | Open-market buy | 2,500 | $8.60 | 141,036,959 |
| 2014-05-30 | Open-market buy | 7,800 | $8.58 | 141,034,459 |
| 2014-05-30 | Open-market buy | 100 | $8.58 | 141,026,659 |
| 2014-05-30 | Open-market buy | 100 | $8.58 | 141,026,559 |
| 2014-05-30 | Open-market buy | 100 | $8.54 | 141,025,059 |
| 2014-05-30 | Open-market buy | 400 | $8.54 | 141,025,459 |
| 2014-05-21 | Open-market buy | 2,100 | $8.29 | 141,016,459 |
| 2014-05-21 | Open-market buy | 300 | $8.31 | 141,019,459 |
| 2014-05-21 | Open-market buy | 2,700 | $8.30 | 141,019,159 |
| 2014-05-21 | Open-market buy | 3,000 | $8.32 | 141,022,459 |
| 2014-05-21 | Open-market buy | 1,800 | $8.29 | 141,014,359 |
| 2014-05-21 | Open-market buy | 100 | $8.29 | 141,012,559 |
| 2014-05-20 | Open-market buy | 1,400 | $8.31 | 141,011,459 |
| 2014-05-20 | Open-market buy | 300 | $8.31 | 141,010,059 |
| 2014-05-20 | Open-market buy | 1,700 | $8.30 | 141,009,759 |
| 2014-05-20 | Open-market buy | 300 | $8.30 | 141,008,059 |
| 2014-05-20 | Open-market buy | 4,770 | $8.29 | 141,007,759 |
| 2014-05-20 | Open-market buy | 100 | $8.29 | 141,002,989 |
| 2014-05-20 | Open-market buy | 6,131 | $8.28 | 141,002,889 |
| 2014-05-20 | Open-market buy | 100 | $8.23 | 140,996,758 |
| 2014-05-20 | Open-market buy | 4,900 | $8.22 | 140,996,658 |
| 2014-05-20 | Open-market buy | 600 | $8.32 | 141,012,059 |
| 2014-05-20 | Open-market buy | 400 | $8.32 | 141,012,459 |
| 2014-05-20 | Open-market buy | 5,000 | $8.21 | 140,991,758 |
| 2014-05-20 | Open-market buy | 899 | $8.20 | 140,986,758 |
| 2014-05-15 | Open-market buy | 2,701 | $8.07 | 140,967,160 |
| 2014-05-15 | Open-market buy | 200 | $8.06 | 140,961,859 |
| 2014-05-15 | Open-market buy | 200 | $8.06 | 140,961,659 |
| 2014-05-15 | Open-market buy | 2,800 | $8.14 | 140,985,859 |
| 2014-05-15 | Open-market buy | 200 | $8.14 | 140,983,059 |
| 2014-05-15 | Open-market buy | 200 | $8.13 | 140,982,859 |
| 2014-05-15 | Open-market buy | 2,800 | $8.12 | 140,982,659 |
| 2014-05-15 | Open-market buy | 2,900 | $8.11 | 140,979,859 |
| 2014-05-15 | Open-market buy | 900 | $8.11 | 140,976,959 |
| 2014-05-15 | Open-market buy | 5,800 | $8.09 | 140,976,059 |
| 2014-05-15 | Open-market buy | 200 | $8.09 | 140,970,259 |
| 2014-05-15 | Open-market buy | 300 | $8.09 | 140,970,059 |
| 2014-05-15 | Open-market buy | 300 | $8.09 | 140,969,759 |
| 2014-05-15 | Open-market buy | 2,299 | $8.08 | 140,969,459 |
| 2014-05-15 | Open-market buy | 200 | $8.06 | 140,962,059 |
| 2014-05-15 | Open-market buy | 2,400 | $8.06 | 140,964,459 |
| 2014-05-14 | Open-market buy | 3,700 | $8.17 | 140,939,659 |
| 2014-05-14 | Open-market buy | 5,300 | $8.18 | 140,944,959 |
| 2014-05-14 | Open-market buy | 8,000 | $8.19 | 140,952,959 |
| 2014-05-14 | Open-market buy | 200 | $8.24 | 140,953,159 |
| 2014-05-14 | Open-market buy | 8,300 | $8.24 | 140,961,459 |
| 2014-05-13 | Open-market buy | 700 | $8.42 | 140,935,959 |
| 2014-05-13 | Open-market buy | 1,100 | $8.42 | 140,935,259 |
| 2014-05-13 | Open-market buy | 100 | $8.39 | 140,934,159 |
| 2014-05-13 | Open-market buy | 4,400 | $8.38 | 140,934,059 |
| 2014-05-13 | Open-market buy | 2,100 | $8.37 | 140,929,659 |
| 2014-05-13 | Open-market buy | 3,000 | $8.34 | 140,927,559 |
| 2014-05-13 | Open-market buy | 7,900 | $8.33 | 140,924,559 |
| 2014-05-13 | Open-market buy | 100 | $8.33 | 140,916,659 |
| 2014-05-13 | Open-market buy | 1,000 | $8.33 | 140,916,559 |
| 2014-05-12 | Open-market buy | 10,000 | $8.46 | 140,915,559 |
| 2014-05-09 | Open-market buy | 100,000 | $8.17 | 140,905,559 |
| 2014-05-08 | Open-market buy | 7,600 | $8.09 | 140,791,659 |
| 2014-05-08 | Open-market buy | 800 | $8.09 | 140,784,059 |
| 2014-05-08 | Open-market buy | 50 | $8.11 | 140,791,709 |
| 2014-05-08 | Open-market buy | 1,950 | $8.11 | 140,793,659 |
| 2014-05-08 | Open-market buy | 200 | $8.12 | 140,793,859 |
| 2014-05-08 | Open-market buy | 100 | $8.12 | 140,793,959 |
| 2014-05-08 | Open-market buy | 1,700 | $8.12 | 140,795,659 |
| 2014-05-08 | Open-market buy | 700 | $8.17 | 140,796,359 |
| 2014-05-08 | Open-market buy | 500 | $8.18 | 140,796,859 |
| 2014-05-08 | Open-market buy | 6,100 | $8.19 | 140,802,959 |
| 2014-05-08 | Open-market buy | 100 | $8.20 | 140,803,059 |
| 2014-05-08 | Open-market buy | 2,500 | $8.22 | 140,805,559 |
| 2014-05-08 | Open-market buy | 22,700 | $8.01 | 140,754,359 |
| 2014-05-08 | Open-market buy | 3,000 | $8.02 | 140,757,359 |
| 2014-05-08 | Open-market buy | 200 | $8.03 | 140,757,559 |
| 2014-05-08 | Open-market buy | 200 | $8.03 | 140,757,759 |
| 2014-05-08 | Open-market buy | 200 | $8.03 | 140,757,959 |
| 2014-05-08 | Open-market buy | 8,700 | $8.03 | 140,766,659 |
| 2014-05-08 | Open-market buy | 1,000 | $8.04 | 140,767,659 |
| 2014-05-08 | Open-market buy | 4,600 | $8.05 | 140,772,259 |
| 2014-05-08 | Open-market buy | 3,400 | $8.06 | 140,775,659 |
| 2014-05-08 | Open-market buy | 3,800 | $8.07 | 140,779,459 |
| 2014-05-08 | Open-market buy | 2,200 | $8.08 | 140,781,659 |
| 2014-05-08 | Open-market buy | 900 | $8.09 | 140,783,259 |
| 2014-05-08 | Open-market buy | 400 | $8.09 | 140,782,359 |
| 2014-05-08 | Open-market buy | 300 | $8.09 | 140,781,959 |
| 2014-05-07 | Open-market buy | 2,100 | $8.12 | 140,696,459 |
| 2014-05-07 | Open-market buy | 6,502 | $8.22 | 140,729,161 |
| 2014-05-07 | Open-market buy | 3,500 | $8.20 | 140,722,659 |
| 2014-05-07 | Open-market buy | 1,300 | $8.19 | 140,719,159 |
| 2014-05-07 | Open-market buy | 1,900 | $8.18 | 140,717,859 |
| 2014-05-07 | Open-market buy | 100 | $8.18 | 140,715,959 |
| 2014-05-07 | Open-market buy | 100 | $8.18 | 140,715,859 |
| 2014-05-07 | Open-market buy | 100 | $8.18 | 140,715,759 |
| 2014-05-07 | Open-market buy | 2,097 | $8.15 | 140,715,659 |
| 2014-05-07 | Open-market buy | 7,403 | $8.14 | 140,713,562 |
| 2014-05-07 | Open-market buy | 200 | $8.14 | 140,706,159 |
| 2014-05-07 | Open-market buy | 200 | $8.14 | 140,705,959 |
| 2014-05-07 | Open-market buy | 200 | $8.14 | 140,705,759 |
| 2014-05-07 | Open-market buy | 9,100 | $8.13 | 140,705,559 |
| 2014-05-07 | Open-market buy | 2,498 | $8.22 | 140,731,659 |
| 2014-05-07 | Open-market buy | 200 | $8.12 | 140,694,359 |
| 2014-05-06 | Open-market buy | 1,600 | $8.19 | 140,679,193 |
| 2014-05-06 | Open-market buy | 3,500 | $8.17 | 140,675,959 |
| 2014-05-06 | Open-market buy | 12,200 | $8.16 | 140,672,459 |
| 2014-05-06 | Open-market buy | 2,600 | $8.44 | 140,694,159 |
| 2014-05-06 | Open-market buy | 1,300 | $8.43 | 140,691,559 |
| 2014-05-06 | Open-market buy | 700 | $8.42 | 140,690,259 |
| 2014-05-06 | Open-market buy | 1,800 | $8.39 | 140,689,559 |
| 2014-05-06 | Open-market buy | 398 | $8.35 | 140,687,759 |
| 2014-05-06 | Open-market buy | 3,502 | $8.34 | 140,687,361 |
| 2014-05-06 | Open-market buy | 300 | $8.34 | 140,683,859 |
| 2014-05-06 | Open-market buy | 300 | $8.34 | 140,683,559 |
| 2014-05-06 | Open-market buy | 1,500 | $8.21 | 140,683,259 |
| 2014-05-06 | Open-market buy | 200 | $8.21 | 140,681,759 |
| 2014-05-06 | Open-market buy | 100 | $8.21 | 140,681,559 |
| 2014-05-06 | Open-market buy | 2,166 | $8.20 | 140,681,459 |
| 2014-05-06 | Open-market buy | 100 | $8.20 | 140,679,293 |
| 2014-05-06 | Open-market buy | 1,534 | $8.18 | 140,677,493 |
| 2014-05-06 | Open-market buy | 100 | $8.19 | 140,677,593 |
| 2014-05-05 | Open-market buy | 1,200 | $8.34 | 140,648,659 |
| 2014-05-05 | Open-market buy | 100 | $8.34 | 140,647,459 |
| 2014-05-05 | Open-market buy | 100 | $8.34 | 140,647,359 |
| 2014-05-05 | Open-market buy | 100 | $8.33 | 140,646,159 |
| 2014-05-05 | Open-market buy | 1,100 | $8.27 | 140,646,059 |
| 2014-05-05 | Open-market buy | 1,200 | $8.26 | 140,644,959 |
| 2014-05-05 | Open-market buy | 1,200 | $8.40 | 140,660,259 |
| 2014-05-05 | Open-market buy | 100 | $8.40 | 140,659,059 |
| 2014-05-05 | Open-market buy | 2,100 | $8.39 | 140,658,959 |
| 2014-05-05 | Open-market buy | 100 | $8.37 | 140,648,759 |
| 2014-05-05 | Open-market buy | 1,800 | $8.37 | 140,650,559 |
| 2014-05-05 | Open-market buy | 6,300 | $8.38 | 140,656,859 |
| 2014-05-05 | Open-market buy | 1,100 | $8.33 | 140,647,259 |
| 2014-05-02 | Open-market buy | 287 | $8.26 | 140,618,046 |
| 2014-05-02 | Open-market buy | 100 | $8.26 | 140,618,146 |
| 2014-05-02 | Open-market buy | 17,613 | $8.26 | 140,635,759 |
| 2014-05-02 | Open-market buy | 2,000 | $8.28 | 140,643,759 |
| 2014-05-02 | Open-market buy | 6,000 | $8.27 | 140,641,759 |
| 2014-05-01 | Open-market buy | 1,000 | $8.35 | 140,603,759 |
| 2014-05-01 | Open-market buy | 8,150 | $8.38 | 140,612,759 |
| 2014-05-01 | Open-market buy | 850 | $8.38 | 140,604,609 |
| 2014-05-01 | Open-market buy | 5,000 | $8.39 | 140,617,759 |
| 2014-05-01 | Open-market buy | 2,000 | $8.31 | 140,602,759 |
| 2014-05-01 | Open-market buy | 2,900 | $8.28 | 140,600,759 |
| 2014-05-01 | Open-market buy | 100 | $8.28 | 140,597,859 |
| 2014-04-30 | Open-market buy | 5,000 | $8.25 | 140,587,759 |
| 2014-04-30 | Open-market buy | 3,000 | $8.24 | 140,582,759 |
| 2014-04-30 | Open-market buy | 400 | $8.19 | 140,579,759 |
| 2014-04-30 | Open-market buy | 1,600 | $8.18 | 140,579,359 |
| 2014-04-30 | Open-market buy | 10,000 | $8.27 | 140,597,759 |
| 2014-04-30 | Open-market buy | 900 | $8.12 | 140,577,259 |
| 2014-04-30 | Open-market buy | 3,100 | $8.11 | 140,576,359 |
| 2014-04-30 | Open-market buy | 500 | $8.09 | 140,573,259 |
| 2014-04-30 | Open-market buy | 500 | $8.13 | 140,577,759 |
| 2014-04-25 | Open-market buy | 5,100 | $8.02 | 140,545,159 |
| 2014-04-25 | Open-market buy | 4,059 | $8.07 | 140,570,959 |
| 2014-04-25 | Open-market buy | 14,241 | $8.05 | 140,566,900 |
| 2014-04-25 | Open-market buy | 1,600 | $8.04 | 140,552,659 |
| 2014-04-25 | Open-market buy | 5,900 | $8.03 | 140,551,059 |
| 2014-04-25 | Open-market buy | 3,500 | $8.01 | 140,540,059 |
| 2014-04-25 | Open-market buy | 1,800 | $8.08 | 140,572,759 |
| 2014-04-24 | Open-market buy | 400 | $8.26 | 140,534,159 |
| 2014-04-24 | Open-market buy | 1,200 | $8.27 | 140,535,359 |
| 2014-04-24 | Open-market buy | 1,200 | $8.28 | 140,536,559 |
| 2014-04-24 | Open-market buy | 6,100 | $8.25 | 140,533,759 |
| 2014-04-24 | Open-market buy | 3,500 | $8.24 | 140,527,659 |
| 2014-04-23 | Open-market buy | 100 | $8.11 | 140,487,959 |
| 2014-04-23 | Open-market buy | 157 | $8.27 | 140,524,159 |
| 2014-04-23 | Open-market buy | 4,843 | $8.26 | 140,524,002 |
| 2014-04-23 | Open-market buy | 1,000 | $8.22 | 140,519,159 |
| 2014-04-23 | Open-market buy | 1,300 | $8.21 | 140,518,159 |
| 2014-04-23 | Open-market buy | 2,300 | $8.20 | 140,516,859 |
| 2014-04-23 | Open-market buy | 2,400 | $8.19 | 140,514,559 |
| 2014-04-23 | Open-market buy | 800 | $8.18 | 140,512,159 |
| 2014-04-23 | Open-market buy | 4,900 | $8.17 | 140,511,359 |
| 2014-04-23 | Open-market buy | 200 | $8.17 | 140,506,459 |
| 2014-04-23 | Open-market buy | 3,300 | $8.12 | 140,495,059 |
| 2014-04-23 | Open-market buy | 3,000 | $8.16 | 140,505,959 |
| 2014-04-23 | Open-market buy | 1,714 | $8.14 | 140,502,959 |
| 2014-04-23 | Open-market buy | 6,186 | $8.13 | 140,501,245 |
| 2014-04-23 | Open-market buy | 3,400 | $8.11 | 140,491,359 |
| 2014-04-23 | Open-market buy | 400 | $8.12 | 140,491,759 |
| 2014-04-23 | Open-market buy | 300 | $8.17 | 140,506,259 |
| 2014-04-22 | Open-market buy | 5,000 | $8.29 | 140,446,359 |
| 2014-04-22 | Open-market buy | 7,000 | $8.28 | 140,441,359 |
| 2014-04-22 | Open-market buy | 12,161 | $8.27 | 140,434,359 |
| 2014-04-22 | Open-market buy | 300 | $8.27 | 140,422,198 |
| 2014-04-22 | Open-market buy | 200 | $8.27 | 140,421,898 |
| 2014-04-22 | Open-market buy | 139 | $8.27 | 140,421,698 |
| 2014-04-22 | Open-market buy | 5,700 | $8.26 | 140,421,559 |
| 2014-04-22 | Open-market buy | 12,200 | $8.25 | 140,415,859 |
| 2014-04-22 | Open-market buy | 300 | $8.25 | 140,403,659 |
| 2014-04-22 | Open-market buy | 400 | $8.25 | 140,403,359 |
| 2014-04-22 | Open-market buy | 100 | $8.25 | 140,402,959 |
| 2014-04-22 | Open-market buy | 2,500 | $8.24 | 140,402,859 |
| 2014-04-22 | Open-market buy | 2,000 | $8.23 | 140,400,359 |
| 2014-04-22 | Open-market buy | 3,300 | $8.32 | 140,481,259 |
| 2014-04-22 | Open-market buy | 200 | $8.32 | 140,477,959 |
| 2014-04-22 | Open-market buy | 300 | $8.32 | 140,477,759 |
| 2014-04-22 | Open-market buy | 100 | $8.32 | 140,477,459 |
| 2014-04-22 | Open-market buy | 27,500 | $8.31 | 140,477,359 |
| 2014-04-22 | Open-market buy | 2,000 | $8.35 | 140,487,859 |
| 2014-04-22 | Open-market buy | 1,800 | $8.34 | 140,485,859 |
| 2014-04-22 | Open-market buy | 100 | $8.34 | 140,484,059 |
| 2014-04-22 | Open-market buy | 200 | $8.34 | 140,483,959 |
| 2014-04-22 | Open-market buy | 3,000 | $8.30 | 140,449,359 |
| 2014-04-22 | Open-market buy | 2,500 | $8.33 | 140,483,759 |
| 2014-04-22 | Open-market buy | 500 | $8.31 | 140,449,859 |
| 2014-04-21 | Open-market buy | 100,000 | $8.32 | 140,398,359 |
| 2014-04-17 | Open-market buy | 100 | $8.16 | 140,273,871 |
| 2014-04-17 | Open-market buy | 2,312 | $8.15 | 140,273,771 |
| 2014-04-17 | Open-market buy | 2,100 | $8.15 | 140,271,459 |
| 2014-04-17 | Open-market buy | 100 | $8.08 | 140,260,459 |
| 2014-04-17 | Open-market buy | 6,500 | $8.07 | 140,260,359 |
| 2014-04-17 | Open-market buy | 100 | $8.07 | 140,253,859 |
| 2014-04-17 | Open-market buy | 100 | $8.07 | 140,253,759 |
| 2014-04-17 | Open-market buy | 300 | $8.07 | 140,253,659 |
| 2014-04-17 | Open-market buy | 5,200 | $8.06 | 140,253,359 |
| 2014-04-17 | Open-market buy | 400 | $8.06 | 140,248,159 |
| 2014-04-17 | Open-market buy | 100 | $8.06 | 140,247,759 |
| 2014-04-17 | Open-market buy | 300 | $8.05 | 140,247,659 |
| 2014-04-17 | Open-market buy | 1,800 | $8.14 | 140,269,359 |
| 2014-04-17 | Open-market buy | 1,100 | $8.14 | 140,267,559 |
| 2014-04-17 | Open-market buy | 100 | $8.14 | 140,266,459 |
| 2014-04-17 | Open-market buy | 2,200 | $8.12 | 140,266,359 |
| 2014-04-17 | Open-market buy | 800 | $8.12 | 140,264,159 |
| 2014-04-17 | Open-market buy | 2,900 | $8.08 | 140,263,359 |
| 2014-04-17 | Open-market buy | 3,700 | $8.25 | 140,298,359 |
| 2014-04-17 | Open-market buy | 2,400 | $8.25 | 140,294,659 |
| 2014-04-17 | Open-market buy | 3,900 | $8.24 | 140,292,259 |
| 2014-04-17 | Open-market buy | 2,600 | $8.23 | 140,288,359 |
| 2014-04-17 | Open-market buy | 1,800 | $8.22 | 140,285,759 |
| 2014-04-17 | Open-market buy | 600 | $8.21 | 140,283,959 |
| 2014-04-17 | Open-market buy | 3,100 | $8.17 | 140,283,359 |
| 2014-04-17 | Open-market buy | 400 | $8.16 | 140,274,271 |
| 2014-04-17 | Open-market buy | 5,988 | $8.16 | 140,280,259 |
| 2014-04-15 | Open-market buy | 129,800 | $8.04 | 140,247,359 |
| 2014-04-14 | Open-market buy | 110,600 | $8.46 | 140,117,559 |
| 2014-04-14 | Grant / award (derivative) | 400,000 | $0.00 | 400,000 |
| 2014-04-11 | Open-market buy | 200 | $8.87 | 139,993,259 |
| 2014-04-11 | Open-market buy | 3,200 | $8.75 | 139,956,759 |
| 2014-04-11 | Open-market buy | 100 | $8.76 | 139,956,859 |
| 2014-04-11 | Open-market buy | 8,400 | $8.76 | 139,965,259 |
| 2014-04-11 | Open-market buy | 1,600 | $8.77 | 139,966,859 |
| 2014-04-11 | Open-market buy | 3,000 | $8.79 | 139,969,859 |
| 2014-04-11 | Open-market buy | 3,500 | $8.80 | 139,973,359 |
| 2014-04-11 | Open-market buy | 100 | $8.74 | 139,944,059 |
| 2014-04-11 | Open-market buy | 200 | $8.74 | 139,943,959 |
| 2014-04-11 | Open-market buy | 200 | $8.74 | 139,943,759 |
| 2014-04-11 | Open-market buy | 100 | $8.87 | 139,993,059 |
| 2014-04-11 | Open-market buy | 6,300 | $8.86 | 139,992,959 |
| 2014-04-11 | Open-market buy | 100 | $8.86 | 139,986,659 |
| 2014-04-11 | Open-market buy | 2,000 | $8.85 | 139,986,559 |
| 2014-04-11 | Open-market buy | 3,500 | $8.84 | 139,984,559 |
| 2014-04-11 | Open-market buy | 3,300 | $8.91 | 140,006,959 |
| 2014-04-11 | Open-market buy | 4,500 | $8.89 | 140,003,659 |
| 2014-04-11 | Open-market buy | 754 | $8.88 | 139,999,159 |
| 2014-04-11 | Open-market buy | 100 | $8.88 | 139,998,405 |
| 2014-04-11 | Open-market buy | 4,946 | $8.87 | 139,998,305 |
| 2014-04-11 | Open-market buy | 100 | $8.87 | 139,993,359 |
| 2014-04-11 | Open-market buy | 9,500 | $8.74 | 139,953,559 |
| 2014-04-11 | Open-market buy | 2,000 | $8.83 | 139,981,059 |
| 2014-04-11 | Open-market buy | 5,100 | $8.82 | 139,979,059 |
| 2014-04-11 | Open-market buy | 600 | $8.81 | 139,973,959 |
| 2014-04-10 | Open-market buy | 152 | $9.26 | 139,928,159 |
| 2014-04-10 | Open-market buy | 3,000 | $9.14 | 139,926,159 |
| 2014-04-10 | Open-market buy | 1,848 | $9.25 | 139,928,007 |
| 2014-04-10 | Open-market buy | 900 | $9.27 | 139,929,059 |
| 2014-04-10 | Open-market buy | 1,100 | $9.28 | 139,930,159 |
| 2014-04-10 | Open-market buy | 4,100 | $9.29 | 139,934,259 |
| 2014-04-10 | Open-market buy | 3,800 | $9.30 | 139,938,059 |
| 2014-04-10 | Open-market buy | 700 | $9.31 | 139,938,759 |
| 2014-04-10 | Open-market buy | 2,650 | $9.34 | 139,943,559 |
| 2014-04-10 | Open-market buy | 2,150 | $9.33 | 139,940,909 |
| 2014-04-07 | Open-market buy | 900 | $9.05 | 139,900,559 |
| 2014-04-07 | Open-market buy | 700 | $9.22 | 139,920,659 |
| 2014-04-07 | Open-market buy | 1,300 | $9.20 | 139,919,959 |
| 2014-04-07 | Open-market buy | 800 | $9.17 | 139,918,659 |
| 2014-04-07 | Open-market buy | 1,700 | $9.16 | 139,917,859 |
| 2014-04-07 | Open-market buy | 400 | $9.15 | 139,916,159 |
| 2014-04-07 | Open-market buy | 1,300 | $9.14 | 139,915,759 |
| 2014-04-07 | Open-market buy | 500 | $9.13 | 139,914,459 |
| 2014-04-07 | Open-market buy | 6,830 | $9.12 | 139,913,959 |
| 2014-04-07 | Open-market buy | 300 | $9.12 | 139,907,129 |
| 2014-04-07 | Open-market buy | 1,170 | $9.11 | 139,906,829 |
| 2014-04-07 | Open-market buy | 200 | $9.10 | 139,905,659 |
| 2014-04-07 | Open-market buy | 500 | $9.09 | 139,905,459 |
| 2014-04-07 | Open-market buy | 100 | $9.09 | 139,904,959 |
| 2014-04-07 | Open-market buy | 1,300 | $9.08 | 139,904,859 |
| 2014-04-07 | Open-market buy | 100 | $9.07 | 139,903,559 |
| 2014-04-07 | Open-market buy | 2,400 | $9.05 | 139,903,459 |
| 2014-04-07 | Open-market buy | 500 | $9.05 | 139,901,059 |
| 2014-04-07 | Open-market buy | 2,500 | $9.24 | 139,923,159 |
| 2014-04-07 | Open-market buy | 5,200 | $9.05 | 139,899,659 |
| 2014-04-04 | Open-market buy | 5,100 | $9.19 | 139,883,459 |
| 2014-04-04 | Open-market buy | 100 | $9.15 | 139,872,359 |
| 2014-04-04 | Open-market buy | 800 | $9.14 | 139,872,259 |
| 2014-04-04 | Open-market buy | 100 | $9.14 | 139,871,459 |
| 2014-04-04 | Open-market buy | 600 | $9.13 | 139,871,359 |
| 2014-04-04 | Open-market buy | 129 | $9.30 | 139,894,459 |
| 2014-04-04 | Open-market buy | 100 | $9.30 | 139,894,330 |
| 2014-04-04 | Open-market buy | 471 | $9.29 | 139,894,230 |
| 2014-04-04 | Open-market buy | 1,571 | $9.28 | 139,893,759 |
| 2014-04-04 | Open-market buy | 329 | $9.28 | 139,892,188 |
| 2014-04-04 | Open-market buy | 1,000 | $9.27 | 139,891,859 |
| 2014-04-04 | Open-market buy | 400 | $9.12 | 139,870,759 |
| 2014-04-04 | Open-market buy | 2,500 | $9.10 | 139,870,359 |
| 2014-04-04 | Open-market buy | 300 | $9.09 | 139,867,859 |
| 2014-04-04 | Open-market buy | 100 | $9.27 | 139,890,859 |
| 2014-04-04 | Open-market buy | 5,300 | $9.26 | 139,890,759 |
| 2014-04-04 | Open-market buy | 500 | $9.24 | 139,885,459 |
| 2014-04-04 | Open-market buy | 1,500 | $9.23 | 139,884,959 |
| 2014-04-04 | Open-market buy | 2,100 | $9.17 | 139,874,459 |
| 2014-04-04 | Open-market buy | 3,900 | $9.18 | 139,878,359 |
| 2014-04-03 | Open-market buy | 2,200 | $9.46 | 139,855,159 |
| 2014-04-03 | Open-market buy | 900 | $9.45 | 139,852,959 |
| 2014-04-03 | Open-market buy | 2,300 | $9.43 | 139,852,059 |
| 2014-04-03 | Open-market buy | 300 | $9.43 | 139,849,759 |
| 2014-04-03 | Open-market buy | 100 | $9.43 | 139,849,459 |
| 2014-04-03 | Open-market buy | 4,700 | $9.42 | 139,849,359 |
| 2014-04-03 | Open-market buy | 1,200 | $9.42 | 139,844,659 |
| 2014-04-03 | Open-market buy | 1,100 | $9.42 | 139,843,459 |
| 2014-04-03 | Open-market buy | 800 | $9.41 | 139,842,359 |
| 2014-04-03 | Open-market buy | 2,000 | $9.34 | 139,841,559 |
| 2014-04-03 | Open-market buy | 2,900 | $9.52 | 139,867,559 |
| 2014-04-03 | Open-market buy | 100 | $9.52 | 139,864,659 |
| 2014-04-03 | Open-market buy | 100 | $9.52 | 139,864,559 |
| 2014-04-03 | Open-market buy | 100 | $9.52 | 139,864,459 |
| 2014-04-03 | Open-market buy | 1,100 | $9.51 | 139,864,359 |
| 2014-04-03 | Open-market buy | 3,898 | $9.50 | 139,863,259 |
| 2014-04-03 | Open-market buy | 100 | $9.50 | 139,859,361 |
| 2014-04-03 | Open-market buy | 100 | $9.50 | 139,859,261 |
| 2014-04-03 | Open-market buy | 100 | $9.50 | 139,859,161 |
| 2014-04-03 | Open-market buy | 1,502 | $9.49 | 139,859,061 |
| 2014-04-03 | Open-market buy | 1,200 | $9.48 | 139,857,559 |
| 2014-04-03 | Open-market buy | 1,200 | $9.47 | 139,856,359 |
| 2014-04-02 | Open-market buy | 100 | $9.61 | 139,831,459 |
| 2014-04-02 | Open-market buy | 1,492 | $9.66 | 139,839,351 |
| 2014-04-02 | Open-market buy | 1,300 | $9.66 | 139,837,859 |
| 2014-04-02 | Open-market buy | 300 | $9.63 | 139,836,559 |
| 2014-04-02 | Open-market buy | 3,701 | $9.62 | 139,836,259 |
| 2014-04-02 | Open-market buy | 100 | $9.62 | 139,832,558 |
| 2014-04-02 | Open-market buy | 999 | $9.61 | 139,832,458 |
| 2014-04-02 | Open-market buy | 208 | $9.67 | 139,839,559 |
| 2014-04-02 | Open-market buy | 3,866 | $9.60 | 139,831,359 |
| 2014-04-02 | Open-market buy | 100 | $9.60 | 139,827,493 |
| 2014-04-02 | Open-market buy | 1,346 | $9.59 | 139,827,393 |
| 2014-04-02 | Open-market buy | 478 | $9.58 | 139,826,047 |
| 2014-04-02 | Open-market buy | 1,210 | $9.57 | 139,825,569 |
| 2014-04-02 | Open-market buy | 3,000 | $9.48 | 139,824,359 |
| 2014-03-28 | Open-market buy | 7,300 | $8.84 | 139,791,459 |
| 2014-03-28 | Open-market buy | 500 | $8.83 | 139,784,159 |
| 2014-03-28 | Open-market buy | 16 | $8.85 | 139,791,475 |
| 2014-03-28 | Open-market buy | 11,684 | $8.85 | 139,803,159 |
| 2014-03-28 | Open-market buy | 1,100 | $8.87 | 139,804,259 |
| 2014-03-28 | Open-market buy | 1,100 | $8.96 | 139,821,359 |
| 2014-03-28 | Open-market buy | 1,800 | $8.95 | 139,820,259 |
| 2014-03-28 | Open-market buy | 300 | $8.94 | 139,818,459 |
| 2014-03-28 | Open-market buy | 4,700 | $8.93 | 139,818,159 |
| 2014-03-28 | Open-market buy | 100 | $8.93 | 139,813,459 |
| 2014-03-28 | Open-market buy | 3,700 | $8.92 | 139,813,359 |
| 2014-03-28 | Open-market buy | 3,000 | $8.91 | 139,809,659 |
| 2014-03-28 | Open-market buy | 2,000 | $8.89 | 139,806,659 |
| 2014-03-28 | Open-market buy | 400 | $8.88 | 139,804,659 |
| 2014-03-27 | Open-market buy | 1,000 | $8.99 | 139,763,759 |
| 2014-03-27 | Open-market buy | 3,700 | $9.05 | 139,783,159 |
| 2014-03-27 | Open-market buy | 100 | $9.05 | 139,779,459 |
| 2014-03-27 | Open-market buy | 100 | $9.05 | 139,779,359 |
| 2014-03-27 | Open-market buy | 100 | $9.05 | 139,779,259 |
| 2014-03-27 | Open-market buy | 4,700 | $9.04 | 139,779,159 |
| 2014-03-27 | Open-market buy | 300 | $9.04 | 139,774,459 |
| 2014-03-27 | Open-market buy | 300 | $9.03 | 139,774,159 |
| 2014-03-27 | Open-market buy | 1,500 | $9.02 | 139,773,859 |
| 2014-03-27 | Open-market buy | 1,400 | $9.02 | 139,772,359 |
| 2014-03-27 | Open-market buy | 2,100 | $9.01 | 139,770,959 |
| 2014-03-27 | Open-market buy | 1,800 | $9.00 | 139,768,859 |
| 2014-03-27 | Open-market buy | 3,300 | $8.99 | 139,767,059 |
| 2014-03-27 | Open-market buy | 500 | $9.06 | 139,783,659 |
| 2014-03-27 | Open-market buy | 5,900 | $8.98 | 139,762,759 |
| 2014-03-26 | Open-market buy | 600 | $9.11 | 139,740,009 |
| 2014-03-26 | Open-market buy | 800 | $9.11 | 139,739,409 |
| 2014-03-26 | Open-market buy | 14,600 | $9.10 | 139,738,609 |
| 2014-03-26 | Open-market buy | 800 | $9.10 | 139,724,009 |
| 2014-03-26 | Open-market buy | 300 | $9.10 | 139,723,209 |
| 2014-03-26 | Open-market buy | 200 | $9.10 | 139,722,909 |
| 2014-03-26 | Open-market buy | 11,750 | $9.09 | 139,722,709 |
| 2014-03-26 | Open-market buy | 100 | $9.09 | 139,710,959 |
| 2014-03-26 | Open-market buy | 4,500 | $9.08 | 139,710,859 |
| 2014-03-26 | Open-market buy | 100 | $9.08 | 139,706,359 |
| 2014-03-26 | Open-market buy | 1,500 | $9.07 | 139,706,259 |
| 2014-03-26 | Open-market buy | 300 | $9.06 | 139,704,759 |
| 2014-03-26 | Open-market buy | 400 | $9.27 | 139,756,859 |
| 2014-03-26 | Open-market buy | 1,000 | $9.26 | 139,756,459 |
| 2014-03-26 | Open-market buy | 1,000 | $9.25 | 139,755,459 |
| 2014-03-26 | Open-market buy | 1,900 | $9.24 | 139,754,459 |
| 2014-03-26 | Open-market buy | 1,300 | $9.24 | 139,752,559 |
| 2014-03-26 | Open-market buy | 200 | $9.23 | 139,751,259 |
| 2014-03-26 | Open-market buy | 2,600 | $9.15 | 139,751,059 |
| 2014-03-26 | Open-market buy | 400 | $9.12 | 139,748,459 |
| 2014-03-26 | Open-market buy | 7,950 | $9.11 | 139,748,059 |
| 2014-03-26 | Open-market buy | 100 | $9.11 | 139,740,109 |
| 2014-03-25 | Open-market buy | 300 | $9.32 | 139,702,759 |
| 2014-03-25 | Open-market buy | 400 | $9.30 | 139,702,459 |
| 2014-03-25 | Open-market buy | 3,500 | $9.29 | 139,702,059 |
| 2014-03-25 | Open-market buy | 2,100 | $9.28 | 139,698,559 |
| 2014-03-25 | Open-market buy | 2,500 | $9.27 | 139,696,459 |
| 2014-03-25 | Open-market buy | 1,700 | $9.33 | 139,704,459 |
| 2014-03-25 | Open-market buy | 1,700 | $9.25 | 139,692,559 |
| 2014-03-25 | Open-market buy | 900 | $9.25 | 139,690,859 |
| 2014-03-25 | Open-market buy | 1,300 | $9.21 | 139,689,959 |
| 2014-03-25 | Open-market buy | 600 | $9.21 | 139,688,659 |
| 2014-03-25 | Open-market buy | 100 | $9.21 | 139,688,059 |
| 2014-03-25 | Open-market buy | 1,400 | $9.26 | 139,693,959 |
| 2014-03-24 | Open-market buy | 1,800 | $9.28 | 139,678,359 |
| 2014-03-24 | Open-market buy | 2,570 | $9.30 | 139,684,159 |
| 2014-03-24 | Open-market buy | 730 | $9.29 | 139,681,589 |
| 2014-03-24 | Open-market buy | 2,500 | $9.29 | 139,680,859 |
| 2014-03-24 | Open-market buy | 1,000 | $9.31 | 139,685,159 |
| 2014-03-24 | Open-market buy | 9,000 | $9.27 | 139,676,559 |
| 2014-03-24 | Open-market buy | 1,000 | $9.26 | 139,667,559 |
| 2014-03-24 | Open-market buy | 2,100 | $9.31 | 139,687,959 |
| 2014-03-24 | Open-market buy | 700 | $9.31 | 139,685,859 |
| 2014-03-21 | Open-market buy | 1,300 | $9.33 | 139,637,259 |
| 2014-03-21 | Open-market buy | 600 | $9.54 | 139,661,559 |
| 2014-03-21 | Open-market buy | 4,400 | $9.53 | 139,660,959 |
| 2014-03-21 | Open-market buy | 1,198 | $9.52 | 139,656,559 |
| 2014-03-21 | Open-market buy | 2,002 | $9.51 | 139,655,361 |
| 2014-03-21 | Open-market buy | 300 | $9.50 | 139,653,359 |
| 2014-03-21 | Open-market buy | 1,300 | $9.46 | 139,653,059 |
| 2014-03-21 | Open-market buy | 4,100 | $9.45 | 139,651,759 |
| 2014-03-21 | Open-market buy | 400 | $9.44 | 139,647,659 |
| 2014-03-21 | Open-market buy | 2,500 | $9.42 | 139,647,259 |
| 2014-03-21 | Open-market buy | 2,500 | $9.39 | 139,644,759 |
| 2014-03-21 | Open-market buy | 900 | $9.36 | 139,642,259 |
| 2014-03-21 | Open-market buy | 1,400 | $9.35 | 139,641,359 |
| 2014-03-21 | Open-market buy | 2,700 | $9.34 | 139,639,959 |
| 2014-03-21 | Open-market buy | 5,000 | $9.55 | 139,666,559 |
| 2014-03-21 | Open-market buy | 200 | $9.32 | 139,635,959 |
| 2014-03-20 | Open-market buy | 3,000 | $9.88 | 139,635,759 |
| 2014-03-20 | Open-market buy | 2,700 | $9.75 | 139,625,559 |
| 2014-03-20 | Open-market buy | 4,300 | $9.79 | 139,629,859 |
| 2014-03-20 | Open-market buy | 700 | $9.80 | 139,630,559 |
| 2014-03-20 | Open-market buy | 3,745 | $9.73 | 139,621,904 |
| 2014-03-20 | Open-market buy | 600 | $9.72 | 139,618,159 |
| 2014-03-20 | Open-market buy | 6,400 | $9.71 | 139,617,559 |
| 2014-03-20 | Open-market buy | 100 | $9.71 | 139,611,159 |
| 2014-03-20 | Open-market buy | 7,500 | $9.67 | 139,611,059 |
| 2014-03-20 | Open-market buy | 2,400 | $9.64 | 139,603,559 |
| 2014-03-20 | Open-market buy | 955 | $9.74 | 139,622,859 |
| 2014-03-20 | Open-market buy | 2,200 | $9.87 | 139,632,759 |
| 2014-03-19 | Open-market buy | 4,482 | $9.73 | 139,594,659 |
| 2014-03-19 | Open-market buy | 100 | $9.73 | 139,590,177 |
| 2014-03-19 | Open-market buy | 300 | $9.73 | 139,590,077 |
| 2014-03-19 | Open-market buy | 100 | $9.74 | 139,594,759 |
| 2014-03-19 | Open-market buy | 100 | $9.74 | 139,594,859 |
| 2014-03-19 | Open-market buy | 4,000 | $9.74 | 139,598,859 |
| 2014-03-19 | Open-market buy | 2,300 | $9.75 | 139,601,159 |
| 2014-03-19 | Open-market buy | 3,618 | $9.72 | 139,589,777 |
| 2014-03-18 | Open-market buy | 200 | $9.96 | 139,574,859 |
| 2014-03-18 | Open-market buy | 6,000 | $9.93 | 139,571,659 |
| 2014-03-18 | Open-market buy | 4,000 | $9.97 | 139,586,159 |
| 2014-03-18 | Open-market buy | 7,300 | $9.96 | 139,582,159 |
| 2014-03-18 | Open-market buy | 100 | $9.94 | 139,571,759 |
| 2014-03-18 | Open-market buy | 2,300 | $9.94 | 139,574,659 |
| 2014-03-18 | Open-market buy | 400 | $9.94 | 139,572,359 |
| 2014-03-18 | Open-market buy | 200 | $9.94 | 139,571,959 |
| 2014-03-13 | Open-market buy | 100 | $9.25 | 139,533,559 |
| 2014-03-13 | Open-market buy | 4,800 | $9.24 | 139,533,459 |
| 2014-03-13 | Open-market buy | 900 | $9.25 | 139,534,459 |
| 2014-03-13 | Open-market buy | 3,945 | $9.41 | 139,565,659 |
| 2014-03-13 | Open-market buy | 855 | $9.40 | 139,561,714 |
| 2014-03-13 | Open-market buy | 1,200 | $9.40 | 139,560,859 |
| 2014-03-13 | Open-market buy | 3,301 | $9.37 | 139,559,659 |
| 2014-03-13 | Open-market buy | 1,199 | $9.37 | 139,556,358 |
| 2014-03-13 | Open-market buy | 5,000 | $9.36 | 139,555,159 |
| 2014-03-13 | Open-market buy | 1,200 | $9.33 | 139,550,159 |
| 2014-03-13 | Open-market buy | 100 | $9.33 | 139,548,959 |
| 2014-03-13 | Open-market buy | 1,900 | $9.32 | 139,548,859 |
| 2014-03-13 | Open-market buy | 2,400 | $9.30 | 139,546,959 |
| 2014-03-13 | Open-market buy | 1,400 | $9.30 | 139,544,559 |
| 2014-03-13 | Open-market buy | 1,800 | $9.29 | 139,543,159 |
| 2014-03-13 | Open-market buy | 1,000 | $9.29 | 139,541,359 |
| 2014-03-13 | Open-market buy | 300 | $9.28 | 139,540,359 |
| 2014-03-13 | Open-market buy | 200 | $9.26 | 139,540,059 |
| 2014-03-13 | Open-market buy | 5,400 | $9.25 | 139,539,859 |
| 2014-03-12 | Open-market buy | 100 | $9.22 | 139,525,659 |
| 2014-03-12 | Open-market buy | 2,700 | $9.29 | 139,528,359 |
| 2014-03-12 | Open-market buy | 300 | $9.30 | 139,528,659 |
| 2014-03-12 | Open-market buy | 2,800 | $9.21 | 139,525,559 |
| 2014-03-12 | Open-market buy | 100 | $9.21 | 139,522,759 |
| 2014-03-11 | Open-market buy | 2,887 | $9.20 | 139,521,496 |
| 2014-03-11 | Open-market buy | 2,034 | $9.18 | 139,514,459 |
| 2014-03-11 | Open-market buy | 300 | $9.18 | 139,512,425 |
| 2014-03-11 | Open-market buy | 1,366 | $9.17 | 139,512,125 |
| 2014-03-11 | Open-market buy | 500 | $9.17 | 139,510,759 |
| 2014-03-11 | Open-market buy | 100 | $9.17 | 139,510,259 |
| 2014-03-11 | Open-market buy | 3,000 | $9.16 | 139,510,159 |
| 2014-03-11 | Open-market buy | 2,700 | $9.14 | 139,507,159 |
| 2014-03-11 | Open-market buy | 1,000 | $9.14 | 139,504,459 |
| 2014-03-11 | Open-market buy | 4,300 | $9.13 | 139,503,459 |
| 2014-03-11 | Open-market buy | 2,400 | $9.12 | 139,499,159 |
| 2014-03-11 | Open-market buy | 9,109 | $9.11 | 139,496,759 |
| 2014-03-11 | Open-market buy | 300 | $9.11 | 139,487,650 |
| 2014-03-11 | Open-market buy | 5,409 | $9.10 | 139,487,350 |
| 2014-03-11 | Open-market buy | 3,100 | $9.10 | 139,481,941 |
| 2014-03-11 | Open-market buy | 200 | $9.10 | 139,478,841 |
| 2014-03-11 | Open-market buy | 8,582 | $9.09 | 139,478,641 |
| 2014-03-11 | Open-market buy | 1,300 | $9.09 | 139,470,059 |
| 2014-03-11 | Open-market buy | 1,300 | $9.08 | 139,468,759 |
| 2014-03-11 | Open-market buy | 2,100 | $9.07 | 139,467,459 |
| 2014-03-11 | Open-market buy | 300 | $9.07 | 139,465,359 |
| 2014-03-11 | Open-market buy | 600 | $9.07 | 139,465,059 |
| 2014-03-11 | Open-market buy | 100 | $9.07 | 139,464,459 |
| 2014-03-11 | Open-market buy | 2,600 | $9.06 | 139,464,359 |
| 2014-03-11 | Open-market buy | 700 | $9.22 | 139,522,659 |
| 2014-03-11 | Open-market buy | 463 | $9.21 | 139,521,959 |
| 2014-03-11 | Open-market buy | 400 | $9.19 | 139,514,859 |
| 2014-03-11 | Open-market buy | 3,750 | $9.19 | 139,518,609 |
| 2014-03-10 | Open-market buy | 1,000 | $9.28 | 139,461,759 |
| 2014-03-10 | Open-market buy | 1,100 | $9.28 | 139,460,759 |
| 2014-03-10 | Open-market buy | 2,000 | $9.16 | 139,455,359 |
| 2014-03-10 | Open-market buy | 3,000 | $9.22 | 139,459,059 |
| 2014-03-10 | Open-market buy | 700 | $9.17 | 139,456,059 |
| 2014-03-10 | Open-market buy | 1,200 | $9.15 | 139,453,359 |
| 2014-03-10 | Open-market buy | 600 | $9.27 | 139,459,659 |
| 2014-03-07 | Open-market buy | 10,000 | $9.20 | 139,452,159 |
| 2014-03-06 | Open-market buy | 100 | $9.01 | 139,413,259 |
| 2014-03-06 | Open-market buy | 500 | $9.12 | 139,417,659 |
| 2014-03-06 | Open-market buy | 1,300 | $9.13 | 139,418,959 |
| 2014-03-06 | Open-market buy | 1,492 | $9.14 | 139,420,451 |
| 2014-03-06 | Open-market buy | 2,208 | $9.15 | 139,422,659 |
| 2014-03-06 | Open-market buy | 2,000 | $9.16 | 139,424,659 |
| 2014-03-06 | Open-market buy | 1,000 | $9.19 | 139,425,659 |
| 2014-03-06 | Open-market buy | 600 | $9.20 | 139,426,259 |
| 2014-03-06 | Open-market buy | 900 | $9.20 | 139,427,159 |
| 2014-03-06 | Open-market buy | 1,000 | $9.24 | 139,428,159 |
| 2014-03-06 | Open-market buy | 100 | $9.25 | 139,428,259 |
| 2014-03-06 | Open-market buy | 900 | $9.25 | 139,429,159 |
| 2014-03-06 | Open-market buy | 900 | $9.30 | 139,430,059 |
| 2014-03-06 | Open-market buy | 4,600 | $9.30 | 139,434,659 |
| 2014-03-06 | Open-market buy | 3,900 | $9.01 | 139,417,159 |
| 2014-03-06 | Open-market buy | 3,200 | $8.99 | 139,413,159 |
| 2014-03-06 | Open-market buy | 2,800 | $8.98 | 139,409,959 |
| 2014-03-06 | Open-market buy | 500 | $8.98 | 139,407,159 |
| 2014-03-06 | Open-market buy | 700 | $8.97 | 139,406,659 |
| 2014-03-06 | Open-market buy | 300 | $8.97 | 139,405,959 |
| 2014-03-06 | Open-market buy | 3,400 | $8.96 | 139,405,659 |
| 2014-03-06 | Open-market buy | 1,600 | $8.95 | 139,402,259 |
| 2014-03-06 | Open-market buy | 2,500 | $9.40 | 139,442,159 |
| 2014-03-06 | Open-market buy | 2,500 | $9.33 | 139,439,659 |
| 2014-03-06 | Open-market buy | 500 | $9.33 | 139,437,159 |
| 2014-03-06 | Open-market buy | 1,000 | $9.32 | 139,436,659 |
| 2014-03-06 | Open-market buy | 1,000 | $9.31 | 139,435,659 |
| 2014-03-05 | Open-market buy | 2,500 | $9.36 | 139,388,659 |
| 2014-03-05 | Open-market buy | 7,800 | $9.39 | 139,397,059 |
| 2014-03-05 | Open-market buy | 600 | $9.38 | 139,389,259 |
| 2014-03-05 | Open-market buy | 3,600 | $9.40 | 139,400,659 |
| 2014-03-05 | Open-market buy | 300 | $9.36 | 139,386,159 |
| 2014-03-05 | Open-market buy | 200 | $9.35 | 139,385,859 |
| 2014-02-28 | Open-market buy | 1,000 | $9.55 | 139,374,659 |
| 2014-02-28 | Open-market buy | 1,000 | $9.53 | 139,373,659 |
| 2014-02-28 | Open-market buy | 100 | $9.50 | 139,372,659 |
| 2014-02-28 | Open-market buy | 900 | $9.49 | 139,372,559 |
| 2014-02-28 | Open-market buy | 1,000 | $9.40 | 139,371,659 |
| 2014-02-28 | Open-market buy | 1,000 | $9.56 | 139,375,659 |
| 2014-02-28 | Open-market buy | 1,000 | $9.70 | 139,376,659 |
| 2014-02-28 | Open-market buy | 268 | $9.73 | 139,376,927 |
| 2014-02-28 | Open-market buy | 100 | $9.76 | 139,378,759 |
| 2014-02-28 | Open-market buy | 2,900 | $9.76 | 139,381,659 |
| 2014-02-28 | Open-market buy | 100 | $9.83 | 139,381,759 |
| 2014-02-28 | Open-market buy | 900 | $9.84 | 139,382,659 |
| 2014-02-28 | Open-market buy | 1,000 | $9.96 | 139,383,659 |
| 2014-02-28 | Open-market buy | 1,000 | $9.98 | 139,384,659 |
| 2014-02-28 | Open-market buy | 1,000 | $10.21 | 139,385,659 |
| 2014-02-28 | Open-market buy | 1,732 | $9.74 | 139,378,659 |
| 2014-02-27 | Open-market buy | 1,000 | $9.11 | 139,363,659 |
| 2014-02-27 | Open-market buy | 1,000 | $8.87 | 139,356,659 |
| 2014-02-27 | Open-market buy | 2,600 | $9.36 | 139,370,459 |
| 2014-02-27 | Open-market buy | 200 | $9.36 | 139,367,859 |
| 2014-02-27 | Open-market buy | 2,000 | $9.31 | 139,367,659 |
| 2014-02-27 | Open-market buy | 2,000 | $9.13 | 139,365,659 |
| 2014-02-27 | Open-market buy | 200 | $9.37 | 139,370,659 |
| 2014-02-27 | Open-market buy | 3,500 | $8.98 | 139,362,659 |
| 2014-02-27 | Open-market buy | 1,500 | $8.97 | 139,359,159 |
| 2014-02-27 | Open-market buy | 1,000 | $8.89 | 139,357,659 |
| 2014-02-26 | Open-market buy | 1,000 | $9.01 | 139,352,664 |
| 2014-02-26 | Open-market buy | 1,000 | $9.07 | 139,353,664 |
| 2014-02-26 | Open-market buy | 1,000 | $9.11 | 139,355,659 |
| 2014-02-26 | Open-market buy | 5,500 | $8.94 | 139,349,159 |
| 2014-02-26 | Open-market buy | 500 | $8.95 | 139,349,659 |
| 2014-02-26 | Open-market buy | 2,000 | $8.96 | 139,351,659 |
| 2014-02-26 | Open-market buy | 5 | $8.99 | 139,351,664 |
| 2014-02-26 | Open-market buy | 3,000 | $8.93 | 139,343,659 |
| 2014-02-26 | Open-market buy | 995 | $9.10 | 139,354,659 |
| 2014-02-25 | Open-market buy | 6,000 | $9.06 | 139,340,659 |
| 2014-02-25 | Open-market buy | 2,000 | $9.05 | 139,334,659 |
| 2014-02-25 | Open-market buy | 2,000 | $9.04 | 139,332,659 |
| 2014-02-25 | Open-market buy | 1,300 | $9.02 | 139,330,659 |
| 2014-02-25 | Open-market buy | 1,000 | $9.01 | 139,329,359 |
| 2014-02-25 | Open-market buy | 1,700 | $9.00 | 139,328,359 |
| 2014-02-25 | Open-market buy | 1,000 | $8.90 | 139,326,659 |
| 2014-02-24 | Open-market buy | 3,800 | $8.99 | 139,321,559 |
| 2014-02-24 | Open-market buy | 700 | $8.90 | 139,313,959 |
| 2014-02-24 | Open-market buy | 900 | $8.91 | 139,314,859 |
| 2014-02-24 | Open-market buy | 100 | $8.89 | 139,312,659 |
| 2014-02-24 | Open-market buy | 900 | $8.85 | 139,312,559 |
| 2014-02-24 | Open-market buy | 800 | $8.83 | 139,311,659 |
| 2014-02-24 | Open-market buy | 200 | $8.83 | 139,310,859 |
| 2014-02-24 | Open-market buy | 700 | $9.07 | 139,325,659 |
| 2014-02-24 | Open-market buy | 700 | $9.03 | 139,324,959 |
| 2014-02-24 | Open-market buy | 1,400 | $9.02 | 139,324,259 |
| 2014-02-24 | Open-market buy | 1,300 | $9.00 | 139,322,859 |
| 2014-02-24 | Open-market buy | 600 | $8.89 | 139,313,259 |
| 2014-02-24 | Open-market buy | 900 | $8.98 | 139,317,759 |
| 2014-02-24 | Open-market buy | 600 | $8.97 | 139,316,859 |
| 2014-02-24 | Open-market buy | 700 | $8.96 | 139,316,259 |
| 2014-02-24 | Open-market buy | 400 | $8.93 | 139,315,559 |
| 2014-02-24 | Open-market buy | 300 | $8.92 | 139,315,159 |
| 2014-02-21 | Open-market buy | 2,915 | $9.08 | 139,307,574 |
| 2014-02-21 | Open-market buy | 2,200 | $9.04 | 139,304,659 |
| 2014-02-21 | Open-market buy | 600 | $8.98 | 139,302,459 |
| 2014-02-21 | Open-market buy | 100 | $8.97 | 139,299,759 |
| 2014-02-21 | Open-market buy | 1,300 | $9.09 | 139,308,874 |
| 2014-02-21 | Open-market buy | 885 | $9.10 | 139,309,759 |
| 2014-02-21 | Open-market buy | 700 | $9.11 | 139,310,459 |
| 2014-02-21 | Open-market buy | 200 | $9.11 | 139,310,659 |
| 2014-02-21 | Open-market buy | 3,000 | $8.91 | 139,296,459 |
| 2014-02-21 | Open-market buy | 900 | $8.92 | 139,297,359 |
| 2014-02-21 | Open-market buy | 100 | $8.93 | 139,297,459 |
| 2014-02-21 | Open-market buy | 2,000 | $8.94 | 139,299,459 |
| 2014-02-21 | Open-market buy | 200 | $8.96 | 139,299,659 |
| 2014-02-21 | Open-market buy | 2,100 | $8.97 | 139,301,859 |
| 2014-02-20 | Open-market buy | 200 | $8.53 | 139,274,459 |
| 2014-02-20 | Open-market buy | 2,300 | $8.47 | 139,274,259 |
| 2014-02-20 | Open-market buy | 3,200 | $8.72 | 139,293,459 |
| 2014-02-20 | Open-market buy | 2,800 | $8.42 | 139,270,359 |
| 2014-02-20 | Open-market buy | 1,100 | $8.41 | 139,267,559 |
| 2014-02-20 | Open-market buy | 1,900 | $8.54 | 139,276,359 |
| 2014-02-20 | Open-market buy | 4,600 | $8.55 | 139,280,959 |
| 2014-02-20 | Open-market buy | 2,700 | $8.56 | 139,283,659 |
| 2014-02-20 | Open-market buy | 2,300 | $8.57 | 139,285,959 |
| 2014-02-20 | Open-market buy | 500 | $8.64 | 139,286,459 |
| 2014-02-20 | Open-market buy | 2,000 | $8.65 | 139,288,459 |
| 2014-02-20 | Open-market buy | 1,800 | $8.71 | 139,290,259 |
| 2014-02-20 | Open-market buy | 1,600 | $8.43 | 139,271,959 |
| 2014-02-19 | Open-market buy | 200 | $8.55 | 139,259,459 |
| 2014-02-19 | Open-market buy | 2,800 | $8.50 | 139,244,259 |
| 2014-02-19 | Open-market buy | 2,600 | $8.49 | 139,241,459 |
| 2014-02-19 | Open-market buy | 1,500 | $8.61 | 139,266,459 |
| 2014-02-19 | Open-market buy | 1,500 | $8.60 | 139,264,959 |
| 2014-02-19 | Open-market buy | 1,750 | $8.58 | 139,263,459 |
| 2014-02-19 | Open-market buy | 350 | $8.57 | 139,261,709 |
| 2014-02-19 | Open-market buy | 1,400 | $8.56 | 139,261,359 |
| 2014-02-19 | Open-market buy | 3,600 | $8.51 | 139,250,159 |
| 2014-02-19 | Open-market buy | 100 | $8.52 | 139,250,259 |
| 2014-02-19 | Open-market buy | 200 | $8.52 | 139,250,459 |
| 2014-02-19 | Open-market buy | 100 | $8.52 | 139,250,559 |
| 2014-02-19 | Open-market buy | 1,900 | $8.52 | 139,252,459 |
| 2014-02-19 | Open-market buy | 3,100 | $8.53 | 139,255,559 |
| 2014-02-19 | Open-market buy | 3,700 | $8.54 | 139,259,259 |
| 2014-02-19 | Open-market buy | 2,300 | $8.50 | 139,246,559 |
| 2014-02-19 | Open-market buy | 500 | $8.56 | 139,259,959 |
| 2014-02-18 | Open-market buy | 500 | $8.69 | 139,228,859 |
| 2014-02-18 | Open-market buy | 400 | $8.65 | 139,227,240 |
| 2014-02-18 | Open-market buy | 1,481 | $8.64 | 139,226,840 |
| 2014-02-18 | Open-market buy | 600 | $8.63 | 139,225,359 |
| 2014-02-18 | Open-market buy | 3,000 | $8.62 | 139,224,759 |
| 2014-02-18 | Open-market buy | 3,800 | $8.61 | 139,221,759 |
| 2014-02-18 | Open-market buy | 1,598 | $8.78 | 139,238,859 |
| 2014-02-18 | Open-market buy | 1,902 | $8.77 | 139,237,261 |
| 2014-02-18 | Open-market buy | 1,001 | $8.75 | 139,235,359 |
| 2014-02-18 | Open-market buy | 2,499 | $8.74 | 139,234,358 |
| 2014-02-18 | Open-market buy | 300 | $8.73 | 139,231,859 |
| 2014-02-18 | Open-market buy | 497 | $8.72 | 139,231,559 |
| 2014-02-18 | Open-market buy | 603 | $8.71 | 139,231,062 |
| 2014-02-18 | Open-market buy | 1,600 | $8.70 | 139,230,459 |
| 2014-02-18 | Open-market buy | 500 | $8.66 | 139,227,740 |
| 2014-02-18 | Open-market buy | 619 | $8.67 | 139,228,359 |
| 2014-02-14 | Open-market buy | 900 | $8.66 | 139,205,359 |
| 2014-02-14 | Open-market buy | 1,300 | $8.67 | 139,206,659 |
| 2014-02-14 | Open-market buy | 2,700 | $8.72 | 139,216,559 |
| 2014-02-14 | Open-market buy | 900 | $8.62 | 139,204,459 |
| 2014-02-14 | Open-market buy | 200 | $8.62 | 139,203,559 |
| 2014-02-14 | Open-market buy | 1,700 | $8.61 | 139,203,359 |
| 2014-02-14 | Open-market buy | 100 | $8.61 | 139,201,659 |
| 2014-02-14 | Open-market buy | 100 | $8.61 | 139,201,559 |
| 2014-02-14 | Open-market buy | 2,300 | $8.53 | 139,201,459 |
| 2014-02-14 | Open-market buy | 1,500 | $8.53 | 139,199,159 |
| 2014-02-14 | Open-market buy | 200 | $8.53 | 139,197,659 |
| 2014-02-14 | Open-market buy | 1,400 | $8.73 | 139,217,959 |
| 2014-02-14 | Open-market buy | 3,200 | $8.68 | 139,209,859 |
| 2014-02-14 | Open-market buy | 2,400 | $8.71 | 139,213,859 |
| 2014-02-14 | Open-market buy | 1,600 | $8.69 | 139,211,459 |
| 2014-02-12 | Open-market buy | 1,400 | $7.77 | 139,190,459 |
| 2014-02-12 | Open-market buy | 300 | $7.71 | 139,175,959 |
| 2014-02-12 | Open-market buy | 3,700 | $7.71 | 139,179,659 |
| 2014-02-12 | Open-market buy | 2,200 | $7.80 | 139,197,459 |
| 2014-02-12 | Open-market buy | 1,600 | $7.79 | 139,195,259 |
| 2014-02-12 | Open-market buy | 3,200 | $7.78 | 139,193,659 |
| 2014-02-12 | Open-market buy | 5,500 | $7.76 | 139,189,059 |
| 2014-02-12 | Open-market buy | 400 | $7.76 | 139,183,559 |
| 2014-02-12 | Open-market buy | 3,500 | $7.75 | 139,183,159 |
| 2014-02-05 | Open-market buy | 6,700 | $7.54 | 138,835,519 |
| 2014-02-05 | Open-market buy | 600 | $7.55 | 138,836,119 |
| 2014-02-05 | Open-market buy | 900 | $7.55 | 138,837,019 |
| 2014-02-05 | Open-market buy | 30,500 | $7.55 | 138,867,519 |
| 2014-02-05 | Open-market buy | 500 | $7.56 | 138,868,019 |
| 2014-02-05 | Open-market buy | 75,868 | $7.58 | 138,988,103 |
| 2014-02-05 | Open-market buy | 1,400 | $7.59 | 138,989,503 |
| 2014-02-05 | Open-market buy | 26,292 | $7.59 | 139,015,795 |
| 2014-02-05 | Open-market buy | 300 | $7.60 | 139,016,095 |
| 2014-02-05 | Open-market buy | 1,600 | $7.60 | 139,017,695 |
| 2014-02-05 | Open-market buy | 56,488 | $7.60 | 139,074,183 |
| 2014-02-05 | Open-market buy | 16,448 | $7.61 | 139,090,631 |
| 2014-02-05 | Open-market buy | 100 | $7.62 | 139,090,731 |
| 2014-02-05 | Open-market buy | 17,600 | $7.62 | 139,108,331 |
| 2014-02-05 | Open-market buy | 12,563 | $7.63 | 139,120,894 |
| 2014-02-05 | Open-market buy | 2,200 | $7.64 | 139,123,094 |
| 2014-02-05 | Open-market buy | 32,765 | $7.64 | 139,155,859 |
| 2014-02-05 | Open-market buy | 200 | $7.65 | 139,156,059 |
| 2014-02-05 | Open-market buy | 100 | $7.65 | 139,156,159 |
| 2014-02-05 | Open-market buy | 3,950 | $7.65 | 139,160,109 |
| 2014-02-05 | Open-market buy | 9,850 | $7.65 | 139,169,959 |
| 2014-02-05 | Open-market buy | 100 | $7.66 | 139,170,059 |
| 2014-02-05 | Open-market buy | 5,600 | $7.66 | 139,175,659 |
| 2014-02-05 | Open-market buy | 200 | $7.56 | 138,868,219 |
| 2014-02-05 | Open-market buy | 9,700 | $7.56 | 138,877,919 |
| 2014-02-05 | Open-market buy | 34,016 | $7.57 | 138,911,935 |
| 2014-02-05 | Open-market buy | 300 | $7.58 | 138,912,235 |
| 2014-02-05 | Open-market buy | 2,900 | $7.54 | 138,828,819 |
| 2014-02-05 | Open-market buy | 2,664 | $7.39 | 138,693,723 |
| 2014-02-05 | Open-market buy | 3,500 | $7.40 | 138,697,223 |
| 2014-02-05 | Open-market buy | 17,951 | $7.41 | 138,715,174 |
| 2014-02-05 | Open-market buy | 7,600 | $7.42 | 138,722,774 |
| 2014-02-05 | Open-market buy | 8,100 | $7.43 | 138,730,874 |
| 2014-02-05 | Open-market buy | 1,500 | $7.44 | 138,732,374 |
| 2014-02-05 | Open-market buy | 1,900 | $7.45 | 138,734,274 |
| 2014-02-05 | Open-market buy | 2,000 | $7.45 | 138,736,274 |
| 2014-02-05 | Open-market buy | 22,585 | $7.45 | 138,758,859 |
| 2014-02-05 | Open-market buy | 136 | $7.46 | 138,758,995 |
| 2014-02-05 | Open-market buy | 200 | $7.47 | 138,759,195 |
| 2014-02-05 | Open-market buy | 5,100 | $7.48 | 138,764,295 |
| 2014-02-05 | Open-market buy | 4,750 | $7.48 | 138,769,045 |
| 2014-02-05 | Open-market buy | 100 | $7.49 | 138,769,145 |
| 2014-02-05 | Open-market buy | 200 | $7.49 | 138,769,345 |
| 2014-02-05 | Open-market buy | 3,900 | $7.49 | 138,773,245 |
| 2014-02-05 | Open-market buy | 12,800 | $7.49 | 138,786,045 |
| 2014-02-05 | Open-market buy | 6,600 | $7.50 | 138,792,645 |
| 2014-02-05 | Open-market buy | 22,300 | $7.50 | 138,814,945 |
| 2014-02-05 | Open-market buy | 1,300 | $7.51 | 138,816,245 |
| 2014-02-05 | Open-market buy | 2,774 | $7.51 | 138,819,019 |
| 2014-02-05 | Open-market buy | 6,000 | $7.52 | 138,825,019 |
| 2014-02-05 | Open-market buy | 100 | $7.53 | 138,825,119 |
| 2014-02-05 | Open-market buy | 800 | $7.53 | 138,825,919 |
| 2014-02-05 | Open-market buy | 800 | $7.34 | 138,676,459 |
| 2014-02-05 | Open-market buy | 8,200 | $7.34 | 138,684,659 |
| 2014-02-05 | Open-market buy | 400 | $7.37 | 138,685,059 |
| 2014-02-05 | Open-market buy | 6,000 | $7.38 | 138,691,059 |
| 2014-02-04 | Open-market buy | 3,300 | $7.65 | 138,672,059 |
| 2014-02-04 | Open-market buy | 3,000 | $7.64 | 138,668,759 |
| 2014-02-04 | Open-market buy | 1,934 | $7.63 | 138,665,759 |
| 2014-02-04 | Open-market buy | 1,400 | $7.63 | 138,663,825 |
| 2014-02-04 | Open-market buy | 3,000 | $7.63 | 138,662,425 |
| 2014-02-04 | Open-market buy | 4,266 | $7.62 | 138,659,425 |
| 2014-02-04 | Open-market buy | 400 | $7.62 | 138,655,159 |
| 2014-02-04 | Open-market buy | 5,900 | $7.61 | 138,654,759 |
| 2014-02-04 | Open-market buy | 1,900 | $7.61 | 138,648,859 |
| 2014-02-04 | Open-market buy | 11,411 | $7.60 | 138,646,959 |
| 2014-02-04 | Open-market buy | 100 | $7.60 | 138,635,548 |
| 2014-02-04 | Open-market buy | 100 | $7.60 | 138,635,448 |
| 2014-02-04 | Open-market buy | 100 | $7.60 | 138,635,348 |
| 2014-02-04 | Open-market buy | 3,600 | $7.66 | 138,675,659 |
| 2014-02-04 | Open-market buy | 2,989 | $7.59 | 138,635,248 |
| 2014-02-03 | Open-market buy | 2,000 | $7.76 | 138,620,759 |
| 2014-02-03 | Open-market buy | 900 | $7.84 | 138,627,259 |
| 2014-02-03 | Open-market buy | 2,400 | $7.83 | 138,626,359 |
| 2014-02-03 | Open-market buy | 1,000 | $7.82 | 138,623,959 |
| 2014-02-03 | Open-market buy | 700 | $7.82 | 138,622,959 |
| 2014-02-03 | Open-market buy | 200 | $7.78 | 138,622,259 |
| 2014-02-03 | Open-market buy | 1,300 | $7.77 | 138,622,059 |
| 2014-02-03 | Open-market buy | 5,000 | $7.85 | 138,632,259 |
| 2014-02-03 | Open-market buy | 2,500 | $7.74 | 138,618,759 |
| 2014-02-03 | Open-market buy | 4,800 | $7.65 | 138,616,259 |
| 2014-02-03 | Open-market buy | 100 | $7.65 | 138,611,459 |
| 2014-02-03 | Open-market buy | 400 | $7.65 | 138,611,359 |
| 2014-02-03 | Open-market buy | 100 | $7.65 | 138,610,959 |
| 2014-02-03 | Open-market buy | 7,000 | $7.64 | 138,610,859 |
| 2014-01-31 | Open-market buy | 5,900 | $7.91 | 138,598,859 |
| 2014-01-31 | Open-market buy | 1,500 | $7.95 | 138,603,859 |
| 2014-01-31 | Open-market buy | 3,500 | $7.94 | 138,602,359 |
| 2014-01-31 | Open-market buy | 1,900 | $7.90 | 138,590,759 |
| 2014-01-31 | Open-market buy | 2,200 | $7.90 | 138,592,959 |
| 2014-01-29 | Open-market buy | 3,000 | $8.03 | 138,576,259 |
| 2014-01-29 | Open-market buy | 100 | $7.95 | 138,546,859 |
| 2014-01-29 | Open-market buy | 1,400 | $7.95 | 138,548,259 |
| 2014-01-29 | Open-market buy | 3,900 | $8.06 | 138,588,559 |
| 2014-01-29 | Open-market buy | 600 | $8.06 | 138,584,659 |
| 2014-01-29 | Open-market buy | 1,100 | $8.06 | 138,584,059 |
| 2014-01-29 | Open-market buy | 100 | $8.06 | 138,582,959 |
| 2014-01-29 | Open-market buy | 1,100 | $8.05 | 138,582,859 |
| 2014-01-29 | Open-market buy | 5,200 | $8.04 | 138,581,759 |
| 2014-01-29 | Open-market buy | 200 | $8.04 | 138,576,559 |
| 2014-01-29 | Open-market buy | 100 | $8.04 | 138,576,359 |
| 2014-01-29 | Open-market buy | 300 | $8.07 | 138,588,859 |
| 2014-01-29 | Open-market buy | 3,000 | $8.00 | 138,573,259 |
| 2014-01-29 | Open-market buy | 12,386 | $7.99 | 138,570,259 |
| 2014-01-29 | Open-market buy | 4,614 | $7.98 | 138,557,873 |
| 2014-01-29 | Open-market buy | 5,000 | $7.97 | 138,553,259 |
| 2014-01-28 | Open-market buy | 7,500 | $8.16 | 138,546,759 |
| 2014-01-27 | Open-market buy | 3,300 | $7.84 | 137,959,459 |
| 2014-01-27 | Open-market buy | 1,400 | $7.83 | 137,956,159 |
| 2014-01-27 | Open-market buy | 3,150 | $7.85 | 137,962,609 |
| 2014-01-27 | Open-market buy | 38,450 | $7.86 | 138,001,059 |
| 2014-01-27 | Open-market buy | 10,200 | $7.87 | 138,011,259 |
| 2014-01-27 | Open-market buy | 1,100 | $7.89 | 138,012,359 |
| 2014-01-27 | Open-market buy | 900 | $7.90 | 138,013,259 |
| 2014-01-27 | Open-market buy | 2,000 | $7.91 | 138,015,259 |
| 2014-01-27 | Open-market buy | 2,760 | $7.91 | 138,018,019 |
| 2014-01-27 | Open-market buy | 1,700 | $7.92 | 138,019,719 |
| 2014-01-27 | Open-market buy | 1,800 | $7.92 | 138,021,519 |
| 2014-01-27 | Open-market buy | 300 | $7.92 | 138,021,819 |
| 2014-01-27 | Open-market buy | 23,823 | $7.92 | 138,045,642 |
| 2014-01-27 | Open-market buy | 6,600 | $7.93 | 138,052,242 |
| 2014-01-27 | Open-market buy | 1,200 | $7.93 | 138,053,442 |
| 2014-01-27 | Open-market buy | 42,804 | $7.93 | 138,096,246 |
| 2014-01-27 | Open-market buy | 2,500 | $7.94 | 138,098,746 |
| 2014-01-27 | Open-market buy | 26,413 | $7.94 | 138,125,159 |
| 2014-01-27 | Open-market buy | 1,800 | $7.95 | 138,126,959 |
| 2014-01-27 | Open-market buy | 21,050 | $7.95 | 138,148,009 |
| 2014-01-27 | Open-market buy | 100 | $7.96 | 138,148,109 |
| 2014-01-27 | Open-market buy | 6,900 | $7.96 | 138,155,009 |
| 2014-01-27 | Open-market buy | 1 | $7.97 | 138,155,010 |
| 2014-01-27 | Open-market buy | 14,349 | $7.97 | 138,169,359 |
| 2014-01-27 | Open-market buy | 7,400 | $7.98 | 138,176,759 |
| 2014-01-27 | Open-market buy | 15,647 | $7.99 | 138,192,406 |
| 2014-01-27 | Open-market buy | 2 | $8.00 | 138,192,408 |
| 2014-01-27 | Open-market buy | 21,973 | $8.00 | 138,214,381 |
| 2014-01-27 | Open-market buy | 600 | $8.24 | 138,509,726 |
| 2014-01-27 | Open-market buy | 800 | $8.24 | 138,509,126 |
| 2014-01-27 | Open-market buy | 4,900 | $8.24 | 138,508,326 |
| 2014-01-27 | Open-market buy | 24,522 | $8.23 | 138,503,426 |
| 2014-01-27 | Open-market buy | 3,800 | $8.23 | 138,478,904 |
| 2014-01-27 | Open-market buy | 30,700 | $8.22 | 138,475,104 |
| 2014-01-27 | Open-market buy | 300 | $8.22 | 138,444,404 |
| 2014-01-27 | Open-market buy | 25,210 | $8.21 | 138,444,104 |
| 2014-01-27 | Open-market buy | 200 | $8.21 | 138,418,894 |
| 2014-01-27 | Open-market buy | 400 | $8.21 | 138,418,694 |
| 2014-01-27 | Open-market buy | 39,658 | $8.20 | 138,418,294 |
| 2014-01-27 | Open-market buy | 200 | $8.20 | 138,378,636 |
| 2014-01-27 | Open-market buy | 200 | $8.20 | 138,378,436 |
| 2014-01-27 | Open-market buy | 16,699 | $8.19 | 138,378,236 |
| 2014-01-27 | Open-market buy | 3,434 | $8.25 | 138,539,259 |
| 2014-01-27 | Open-market buy | 26,099 | $8.24 | 138,535,825 |
| 2014-01-27 | Open-market buy | 30,278 | $8.01 | 138,247,159 |
| 2014-01-27 | Open-market buy | 4,800 | $8.03 | 138,257,259 |
| 2014-01-27 | Open-market buy | 10,800 | $8.06 | 138,268,259 |
| 2014-01-27 | Open-market buy | 6,900 | $8.07 | 138,275,159 |
| 2014-01-27 | Open-market buy | 200 | $8.08 | 138,275,359 |
| 2014-01-27 | Open-market buy | 5,300 | $8.08 | 138,280,659 |
| 2014-01-27 | Open-market buy | 4,600 | $8.09 | 138,285,259 |
| 2014-01-27 | Open-market buy | 1,700 | $8.10 | 138,286,959 |
| 2014-01-27 | Open-market buy | 300 | $8.11 | 138,287,259 |
| 2014-01-27 | Open-market buy | 6,900 | $8.11 | 138,294,159 |
| 2014-01-27 | Open-market buy | 4,675 | $8.12 | 138,298,834 |
| 2014-01-27 | Open-market buy | 400 | $8.13 | 138,299,234 |
| 2014-01-27 | Open-market buy | 500 | $8.13 | 138,299,734 |
| 2014-01-27 | Open-market buy | 24,982 | $8.13 | 138,324,716 |
| 2014-01-27 | Open-market buy | 1,200 | $8.14 | 138,325,916 |
| 2014-01-27 | Open-market buy | 300 | $8.15 | 138,326,216 |
| 2014-01-27 | Open-market buy | 14,270 | $8.15 | 138,340,486 |
| 2014-01-27 | Open-market buy | 100 | $8.16 | 138,340,586 |
| 2014-01-27 | Open-market buy | 1,648 | $8.16 | 138,342,234 |
| 2014-01-27 | Open-market buy | 2,129 | $8.17 | 138,344,363 |
| 2014-01-27 | Open-market buy | 1,700 | $8.18 | 138,346,063 |
| 2014-01-27 | Open-market buy | 800 | $8.18 | 138,346,863 |
| 2014-01-27 | Open-market buy | 13,474 | $8.18 | 138,360,337 |
| 2014-01-27 | Open-market buy | 700 | $8.19 | 138,361,037 |
| 2014-01-27 | Open-market buy | 500 | $8.19 | 138,361,537 |
| 2014-01-27 | Open-market buy | 2,500 | $8.01 | 138,216,881 |
| 2014-01-27 | Open-market buy | 200 | $8.05 | 138,257,459 |
| 2014-01-27 | Open-market buy | 5,300 | $8.02 | 138,252,459 |
| 2014-01-24 | Open-market buy | 3,500 | $8.45 | 137,939,659 |
| 2014-01-24 | Open-market buy | 3,500 | $8.44 | 137,936,159 |
| 2014-01-24 | Open-market buy | 10,200 | $8.43 | 137,932,659 |
| 2014-01-24 | Open-market buy | 4,600 | $8.42 | 137,922,459 |
| 2014-01-24 | Open-market buy | 100 | $8.42 | 137,917,859 |
| 2014-01-24 | Open-market buy | 3,000 | $8.73 | 137,954,759 |
| 2014-01-24 | Open-market buy | 300 | $8.71 | 137,951,759 |
| 2014-01-24 | Open-market buy | 500 | $8.71 | 137,951,459 |
| 2014-01-24 | Open-market buy | 600 | $8.70 | 137,950,959 |
| 2014-01-24 | Open-market buy | 100 | $8.70 | 137,950,359 |
| 2014-01-24 | Open-market buy | 100 | $8.70 | 137,950,259 |
| 2014-01-24 | Open-market buy | 100 | $8.70 | 137,950,159 |
| 2014-01-24 | Open-market buy | 300 | $8.67 | 137,950,059 |
| 2014-01-24 | Open-market buy | 1,000 | $8.66 | 137,949,759 |
| 2014-01-24 | Open-market buy | 2,122 | $8.65 | 137,948,759 |
| 2014-01-24 | Open-market buy | 345 | $8.64 | 137,946,637 |
| 2014-01-24 | Open-market buy | 1,633 | $8.63 | 137,946,292 |
| 2014-01-24 | Open-market buy | 100 | $8.63 | 137,944,659 |
| 2014-01-24 | Open-market buy | 100 | $8.63 | 137,944,559 |
| 2014-01-24 | Open-market buy | 600 | $8.52 | 137,944,459 |
| 2014-01-24 | Open-market buy | 900 | $8.51 | 137,943,859 |
| 2014-01-24 | Open-market buy | 500 | $8.50 | 137,942,959 |
| 2014-01-24 | Open-market buy | 1,000 | $8.49 | 137,942,459 |
| 2014-01-24 | Open-market buy | 800 | $8.46 | 137,940,459 |
| 2014-01-24 | Open-market buy | 1,000 | $8.46 | 137,941,459 |
| 2014-01-23 | Open-market buy | 3,000 | $8.84 | 137,917,759 |
| 2014-01-23 | Open-market buy | 1,500 | $8.80 | 137,904,359 |
| 2014-01-23 | Open-market buy | 1,800 | $8.81 | 137,906,159 |
| 2014-01-23 | Open-market buy | 700 | $8.82 | 137,906,859 |
| 2014-01-23 | Open-market buy | 6,100 | $8.82 | 137,912,959 |
| 2014-01-23 | Open-market buy | 1,800 | $8.83 | 137,914,759 |
| 2014-01-22 | Open-market buy | 3,092 | $8.99 | 137,899,559 |
| 2014-01-22 | Open-market buy | 908 | $8.98 | 137,896,467 |
| 2014-01-22 | Open-market buy | 500 | $8.94 | 137,895,559 |
| 2014-01-22 | Open-market buy | 1,800 | $9.03 | 137,901,359 |
| 2014-01-22 | Open-market buy | 1,500 | $9.10 | 137,902,859 |
| 2014-01-22 | Open-market buy | 300 | $8.94 | 137,895,059 |
| 2014-01-22 | Open-market buy | 200 | $8.93 | 137,894,759 |
| 2014-01-22 | Open-market buy | 500 | $8.92 | 137,894,559 |
| 2014-01-22 | Open-market buy | 1,600 | $8.87 | 137,894,059 |
| 2014-01-22 | Open-market buy | 400 | $8.86 | 137,892,459 |
| 2014-01-22 | Open-market buy | 1,100 | $8.85 | 137,892,059 |
| 2014-01-22 | Open-market buy | 900 | $8.84 | 137,890,959 |
| 2014-01-22 | Open-market buy | 1,400 | $8.83 | 137,890,059 |
| 2014-01-22 | Open-market buy | 600 | $8.81 | 137,888,659 |
| 2014-01-22 | Open-market buy | 197 | $8.80 | 137,888,059 |
| 2014-01-22 | Open-market buy | 200 | $8.80 | 137,887,862 |
| 2014-01-22 | Open-market buy | 1,303 | $8.79 | 137,887,662 |
| 2014-01-22 | Open-market buy | 800 | $8.78 | 137,886,359 |
| 2014-01-21 | Open-market buy | 600 | $8.78 | 137,873,359 |
| 2014-01-21 | Open-market buy | 1,800 | $8.73 | 137,872,759 |
| 2014-01-21 | Open-market buy | 400 | $8.69 | 137,870,959 |
| 2014-01-21 | Open-market buy | 1,400 | $8.79 | 137,874,759 |
| 2014-01-21 | Open-market buy | 2,200 | $8.83 | 137,876,959 |
| 2014-01-21 | Open-market buy | 300 | $8.84 | 137,877,259 |
| 2014-01-21 | Open-market buy | 100 | $8.85 | 137,877,359 |
| 2014-01-21 | Open-market buy | 2,200 | $8.86 | 137,879,559 |
| 2014-01-21 | Open-market buy | 400 | $8.87 | 137,879,959 |
| 2014-01-21 | Open-market buy | 1,600 | $8.87 | 137,881,559 |
| 2014-01-21 | Open-market buy | 1,700 | $8.68 | 137,870,559 |
| 2014-01-21 | Open-market buy | 3,800 | $8.89 | 137,885,559 |
| 2014-01-21 | Open-market buy | 200 | $8.88 | 137,881,759 |
| 2014-01-17 | Open-market buy | 100 | $8.68 | 137,837,259 |
| 2014-01-17 | Open-market buy | 100 | $8.68 | 137,837,359 |
| 2014-01-17 | Open-market buy | 3,400 | $8.68 | 137,840,759 |
| 2014-01-17 | Open-market buy | 3,900 | $8.75 | 137,868,859 |
| 2014-01-17 | Open-market buy | 100 | $8.74 | 137,860,959 |
| 2014-01-17 | Open-market buy | 200 | $8.73 | 137,860,859 |
| 2014-01-17 | Open-market buy | 12,800 | $8.72 | 137,860,659 |
| 2014-01-17 | Open-market buy | 1,100 | $8.71 | 137,847,859 |
| 2014-01-17 | Open-market buy | 100 | $8.71 | 137,846,759 |
| 2014-01-17 | Open-market buy | 1,200 | $8.70 | 137,846,659 |
| 2014-01-17 | Open-market buy | 4,600 | $8.69 | 137,845,459 |
| 2014-01-17 | Open-market buy | 4,000 | $8.74 | 137,864,959 |
| 2014-01-17 | Open-market buy | 100 | $8.69 | 137,840,859 |
| 2014-01-10 | Open-market buy | 702 | $8.57 | 137,831,459 |
| 2014-01-10 | Open-market buy | 3,500 | $8.58 | 137,834,959 |
| 2014-01-10 | Open-market buy | 2,200 | $8.63 | 137,837,159 |
| 2014-01-10 | Open-market buy | 1,798 | $8.56 | 137,830,757 |
| 2014-01-09 | Open-market buy | 800 | $8.42 | 137,821,959 |
| 2014-01-09 | Open-market buy | 1,700 | $8.41 | 137,821,159 |
| 2014-01-09 | Open-market buy | 200 | $8.44 | 137,822,159 |
| 2014-01-09 | Open-market buy | 2,800 | $8.44 | 137,824,959 |
| 2014-01-09 | Open-market buy | 800 | $8.49 | 137,826,959 |
| 2014-01-09 | Open-market buy | 2,000 | $8.54 | 137,828,959 |
| 2014-01-09 | Open-market buy | 1,200 | $8.49 | 137,826,159 |
| 2014-01-08 | Open-market buy | 1,400 | $8.53 | 137,819,459 |
| 2014-01-08 | Open-market buy | 600 | $8.53 | 137,818,059 |
| 2014-01-08 | Open-market buy | 800 | $8.49 | 137,817,459 |
| 2014-01-08 | Open-market buy | 1,000 | $8.48 | 137,816,659 |
| 2014-01-08 | Open-market buy | 3,600 | $8.47 | 137,815,659 |
| 2014-01-07 | Open-market buy | 3,200 | $8.47 | 137,806,059 |
| 2014-01-07 | Open-market buy | 2,000 | $8.43 | 137,800,059 |
| 2014-01-07 | Open-market buy | 1,000 | $8.44 | 137,801,059 |
| 2014-01-07 | Open-market buy | 1,800 | $8.47 | 137,802,859 |
| 2014-01-07 | Open-market buy | 6,000 | $8.48 | 137,812,059 |
| 2014-01-06 | Open-market buy | 4,900 | $8.36 | 137,798,059 |
| 2014-01-06 | Open-market buy | 100 | $8.36 | 137,793,159 |
| 2014-01-02 | Open-market buy | 2,500 | $8.40 | 137,755,359 |
| 2014-01-02 | Open-market buy | 4,900 | $8.48 | 137,787,559 |
| 2014-01-02 | Open-market buy | 2,500 | $8.46 | 137,782,659 |
| 2014-01-02 | Open-market buy | 2,700 | $8.44 | 137,780,159 |
| 2014-01-02 | Open-market buy | 16,100 | $8.43 | 137,777,459 |
| 2014-01-02 | Open-market buy | 6,000 | $8.42 | 137,761,359 |
| 2014-01-02 | Open-market buy | 5,500 | $8.49 | 137,793,059 |
| 2014-01-02 | Open-market buy | 5,100 | $8.39 | 137,752,859 |
| 2014-01-02 | Open-market buy | 1,400 | $8.39 | 137,747,759 |
| 2014-01-02 | Open-market buy | 2,500 | $8.35 | 137,746,359 |
| 2014-01-02 | Open-market buy | 1,800 | $8.33 | 137,743,859 |
| 2014-01-02 | Open-market buy | 200 | $8.33 | 137,742,059 |
| 2013-12-31 | Open-market buy | 5,400 | $8.48 | 137,741,859 |
| 2013-12-31 | Open-market buy | 200 | $8.45 | 137,718,759 |
| 2013-12-31 | Open-market buy | 13,600 | $8.46 | 137,736,459 |
| 2013-12-31 | Open-market buy | 4,100 | $8.45 | 137,722,859 |
| 2013-12-31 | Open-market buy | 750 | $8.41 | 137,666,809 |
| 2013-12-31 | Open-market buy | 13,950 | $8.41 | 137,680,759 |
| 2013-12-31 | Open-market buy | 16,486 | $8.42 | 137,697,245 |
| 2013-12-31 | Open-market buy | 21,314 | $8.43 | 137,718,559 |
| 2013-12-27 | Open-market buy | 14,685 | $8.57 | 137,638,444 |
| 2013-12-27 | Open-market buy | 1,000 | $8.53 | 137,602,559 |
| 2013-12-27 | Open-market buy | 2,900 | $8.61 | 137,666,059 |
| 2013-12-27 | Open-market buy | 5,691 | $8.60 | 137,663,159 |
| 2013-12-27 | Open-market buy | 3,104 | $8.59 | 137,657,468 |
| 2013-12-27 | Open-market buy | 15,920 | $8.58 | 137,654,364 |
| 2013-12-27 | Open-market buy | 10,500 | $8.56 | 137,623,759 |
| 2013-12-27 | Open-market buy | 5,500 | $8.55 | 137,613,259 |
| 2013-12-27 | Open-market buy | 2,100 | $8.54 | 137,607,759 |
| 2013-12-27 | Open-market buy | 3,100 | $8.53 | 137,605,659 |
| 2013-12-26 | Open-market buy | 2,500 | $8.85 | 137,590,959 |
| 2013-12-26 | Open-market buy | 3,300 | $8.79 | 137,585,459 |
| 2013-12-26 | Open-market buy | 900 | $8.80 | 137,586,359 |
| 2013-12-26 | Open-market buy | 1,300 | $8.81 | 137,587,659 |
| 2013-12-26 | Open-market buy | 800 | $8.85 | 137,588,459 |
| 2013-12-26 | Open-market buy | 1,400 | $8.86 | 137,592,359 |
| 2013-12-26 | Open-market buy | 100 | $8.90 | 137,601,559 |
| 2013-12-26 | Open-market buy | 1,800 | $8.89 | 137,601,459 |
| 2013-12-26 | Open-market buy | 100 | $8.89 | 137,599,659 |
| 2013-12-26 | Open-market buy | 7,200 | $8.87 | 137,599,559 |
| 2013-12-24 | Open-market buy | 500 | $9.04 | 137,582,159 |
| 2013-12-24 | Open-market buy | 600 | $8.99 | 137,569,759 |
| 2013-12-24 | Open-market buy | 1,400 | $9.00 | 137,571,159 |
| 2013-12-24 | Open-market buy | 2,700 | $9.03 | 137,581,659 |
| 2013-12-24 | Open-market buy | 7,800 | $9.02 | 137,578,959 |
| 2013-12-23 | Open-market buy | 1,600 | $8.88 | 137,565,259 |
| 2013-12-23 | Open-market buy | 1,900 | $9.03 | 137,567,159 |
| 2013-12-23 | Open-market buy | 1,300 | $9.06 | 137,568,459 |
| 2013-12-23 | Open-market buy | 700 | $9.07 | 137,569,159 |
| 2013-12-20 | Open-market buy | 3,100 | $9.08 | 137,563,659 |
| 2013-12-19 | Open-market buy | 5,300 | $8.76 | 137,544,759 |
| 2013-12-19 | Open-market buy | 1,800 | $8.81 | 137,548,559 |
| 2013-12-19 | Open-market buy | 1,300 | $8.82 | 137,549,859 |
| 2013-12-19 | Open-market buy | 3,200 | $8.83 | 137,553,059 |
| 2013-12-19 | Open-market buy | 4,000 | $8.84 | 137,557,059 |
| 2013-12-19 | Open-market buy | 2,000 | $8.85 | 137,559,059 |
| 2013-12-19 | Open-market buy | 1,500 | $8.86 | 137,560,559 |
| 2013-12-19 | Open-market buy | 2,000 | $8.79 | 137,546,759 |
| 2013-12-17 | Open-market buy | 3,000 | $8.18 | 137,485,659 |
| 2013-12-17 | Open-market buy | 3,000 | $8.24 | 137,488,659 |
| 2013-12-17 | Open-market buy | 2,720 | $8.26 | 137,491,379 |
| 2013-12-17 | Open-market buy | 4,880 | $8.27 | 137,496,259 |
| 2013-12-17 | Open-market buy | 1,200 | $8.32 | 137,497,459 |
| 2013-12-17 | Open-market buy | 1,800 | $8.32 | 137,499,259 |
| 2013-12-17 | Open-market buy | 600 | $8.34 | 137,499,859 |
| 2013-12-17 | Open-market buy | 2,900 | $8.34 | 137,502,759 |
| 2013-12-17 | Open-market buy | 1,700 | $8.35 | 137,504,459 |
| 2013-12-17 | Open-market buy | 2,953 | $8.36 | 137,507,412 |
| 2013-12-17 | Open-market buy | 1,300 | $8.76 | 137,532,759 |
| 2013-12-17 | Open-market buy | 47 | $8.37 | 137,507,459 |
| 2013-12-17 | Open-market buy | 2,900 | $8.38 | 137,510,359 |
| 2013-12-17 | Open-market buy | 100 | $8.39 | 137,510,459 |
| 2013-12-17 | Open-market buy | 2,200 | $8.40 | 137,512,659 |
| 2013-12-17 | Open-market buy | 1,000 | $8.46 | 137,513,659 |
| 2013-12-17 | Open-market buy | 2,300 | $8.46 | 137,515,959 |
| 2013-12-17 | Open-market buy | 1,753 | $8.47 | 137,517,712 |
| 2013-12-17 | Open-market buy | 1,547 | $8.48 | 137,519,259 |
| 2013-12-17 | Open-market buy | 1,500 | $8.49 | 137,520,759 |
| 2013-12-17 | Open-market buy | 100 | $8.56 | 137,520,859 |
| 2013-12-17 | Open-market buy | 2,900 | $8.56 | 137,523,759 |
| 2013-12-17 | Open-market buy | 2,200 | $8.57 | 137,525,959 |
| 2013-12-17 | Open-market buy | 1,281 | $8.75 | 137,527,240 |
| 2013-12-17 | Open-market buy | 4,219 | $8.75 | 137,531,459 |
| 2013-12-17 | Open-market buy | 4,700 | $8.77 | 137,537,459 |
| 2013-12-17 | Open-market buy | 1,900 | $8.78 | 137,539,359 |
| 2013-12-17 | Open-market buy | 100 | $8.79 | 137,539,459 |
| 2013-12-13 | Open-market buy | 1,388 | $8.58 | 137,338,047 |
| 2013-12-13 | Open-market buy | 2,700 | $8.98 | 137,474,359 |
| 2013-12-13 | Open-market buy | 300 | $8.99 | 137,474,659 |
| 2013-12-13 | Open-market buy | 2,000 | $9.12 | 137,476,659 |
| 2013-12-13 | Open-market buy | 422 | $8.55 | 137,327,081 |
| 2013-12-13 | Open-market buy | 15,250 | $8.65 | 137,378,659 |
| 2013-12-13 | Open-market buy | 2,300 | $8.66 | 137,380,959 |
| 2013-12-13 | Open-market buy | 6,700 | $8.67 | 137,387,659 |
| 2013-12-13 | Open-market buy | 17,171 | $8.68 | 137,404,830 |
| 2013-12-13 | Open-market buy | 6,829 | $8.69 | 137,411,659 |
| 2013-12-13 | Open-market buy | 400 | $8.76 | 137,412,059 |
| 2013-12-13 | Open-market buy | 3,800 | $8.76 | 137,415,859 |
| 2013-12-13 | Open-market buy | 5,800 | $8.77 | 137,421,659 |
| 2013-12-13 | Open-market buy | 10,000 | $8.78 | 137,431,659 |
| 2013-12-13 | Open-market buy | 5,000 | $8.81 | 137,436,659 |
| 2013-12-13 | Open-market buy | 2,000 | $8.83 | 137,438,659 |
| 2013-12-13 | Open-market buy | 834 | $8.84 | 137,439,493 |
| 2013-12-13 | Open-market buy | 8,029 | $8.85 | 137,447,522 |
| 2013-12-13 | Open-market buy | 4,137 | $8.86 | 137,451,659 |
| 2013-12-13 | Open-market buy | 1,000 | $8.87 | 137,452,659 |
| 2013-12-13 | Open-market buy | 4,000 | $8.88 | 137,456,659 |
| 2013-12-13 | Open-market buy | 5,350 | $8.91 | 137,462,009 |
| 2013-12-13 | Open-market buy | 2,650 | $8.92 | 137,464,659 |
| 2013-12-13 | Open-market buy | 3,100 | $8.97 | 137,467,759 |
| 2013-12-13 | Open-market buy | 11,750 | $8.65 | 137,363,409 |
| 2013-12-13 | Open-market buy | 4,400 | $8.60 | 137,351,659 |
| 2013-12-13 | Open-market buy | 9,212 | $8.59 | 137,347,259 |
| 2013-12-13 | Open-market buy | 3,900 | $8.98 | 137,471,659 |
| 2013-12-13 | Open-market buy | 9,578 | $8.55 | 137,336,659 |
| 2013-12-13 | Option exercise (derivative) | 300,000 | $0.00 | 0 |
| 2013-12-13 | Option exercise (derivative) | 337,500 | $0.00 | 112,500 |
| 2013-12-13 | Option exercise | 1,000,000 | $4.88 | 1,000,000 |
| 2013-12-13 | Option exercise | 300,000 | $1.65 | 1,300,000 |
| 2013-12-13 | Option exercise | 350,000 | $1.16 | 1,650,000 |
| 2013-12-13 | Option exercise | 337,500 | $2.36 | 1,987,500 |
| 2013-12-13 | Open-market buy | 2,000 | $9.23 | 137,480,659 |
| 2013-12-13 | Open-market buy | 2,000 | $9.24 | 137,482,659 |
| 2013-12-13 | Open-market buy | 2,000 | $9.18 | 137,478,659 |
| 2013-12-12 | Open-market buy | 31,000 | $9.44 | 137,307,659 |
| 2013-12-12 | Open-market buy | 19,000 | $9.45 | 137,326,659 |
| 2013-12-11 | Open-market buy | 4,178 | $9.92 | 137,256,659 |
| 2013-12-11 | Open-market buy | 1,500 | $9.91 | 137,252,481 |
| 2013-12-11 | Open-market buy | 3,622 | $9.90 | 137,250,981 |
| 2013-12-11 | Open-market buy | 700 | $9.89 | 137,247,359 |
| 2013-12-11 | Open-market buy | 7,500 | $9.82 | 137,246,659 |
| 2013-12-11 | Open-market buy | 10,000 | $9.81 | 137,239,159 |
| 2013-12-11 | Open-market buy | 5,000 | $9.77 | 137,229,159 |
| 2013-12-11 | Open-market buy | 5,300 | $9.76 | 137,224,159 |
| 2013-12-11 | Open-market buy | 400 | $9.76 | 137,218,859 |
| 2013-12-11 | Open-market buy | 4,100 | $9.74 | 137,218,459 |
| 2013-12-11 | Open-market buy | 200 | $9.74 | 137,214,359 |
| 2013-12-11 | Open-market buy | 6,000 | $9.68 | 137,214,159 |
| 2013-12-11 | Open-market buy | 1,700 | $9.67 | 137,208,159 |
| 2013-12-11 | Open-market buy | 1,100 | $10.90 | 137,276,659 |
| 2013-12-11 | Open-market buy | 700 | $10.89 | 137,275,559 |
| 2013-12-11 | Open-market buy | 1,392 | $9.98 | 137,258,051 |
| 2013-12-11 | Open-market buy | 3,586 | $9.99 | 137,261,637 |
| 2013-12-11 | Open-market buy | 5,022 | $10.00 | 137,266,659 |
| 2013-12-11 | Open-market buy | 1,100 | $10.88 | 137,267,759 |
| 2013-12-11 | Open-market buy | 7,100 | $10.89 | 137,274,859 |
| 2013-12-11 | Open-market buy | 2,300 | $9.66 | 137,206,459 |
| 2013-11-29 | Open-market buy | 1,269 | $10.51 | 137,199,428 |
| 2013-11-29 | Open-market buy | 1,731 | $10.52 | 137,201,159 |
| 2013-11-29 | Open-market buy | 400 | $10.54 | 137,201,559 |
| 2013-11-29 | Open-market buy | 2,600 | $10.54 | 137,204,159 |
| 2013-11-27 | Open-market buy | 800 | $10.32 | 137,193,259 |
| 2013-11-27 | Open-market buy | 2,799 | $10.35 | 137,197,459 |
| 2013-11-27 | Open-market buy | 1,100 | $10.25 | 137,188,359 |
| 2013-11-27 | Open-market buy | 2,100 | $10.26 | 137,190,459 |
| 2013-11-27 | Open-market buy | 2,000 | $10.31 | 137,192,459 |
| 2013-11-27 | Open-market buy | 700 | $10.36 | 137,198,159 |
| 2013-11-27 | Open-market buy | 900 | $10.33 | 137,194,159 |
| 2013-11-27 | Open-market buy | 501 | $10.34 | 137,194,660 |
| 2013-11-26 | Open-market buy | 2,000 | $10.44 | 137,184,759 |
| 2013-11-26 | Open-market buy | 2,500 | $10.50 | 137,187,259 |
| 2013-11-26 | Open-market buy | 2,000 | $10.39 | 137,182,759 |
| 2013-11-25 | Open-market buy | 600 | $9.89 | 137,167,959 |
| 2013-11-25 | Open-market buy | 4,700 | $9.91 | 137,172,659 |
| 2013-11-25 | Open-market buy | 2,100 | $9.93 | 137,174,759 |
| 2013-11-25 | Open-market buy | 2,000 | $9.97 | 137,179,559 |
| 2013-11-25 | Open-market buy | 1,200 | $9.98 | 137,180,759 |
| 2013-11-25 | Open-market buy | 2,100 | $9.95 | 137,176,859 |
| 2013-11-25 | Open-market buy | 1,400 | $9.88 | 137,167,359 |
| 2013-11-25 | Open-market buy | 700 | $9.97 | 137,177,559 |
| 2013-11-22 | Open-market buy | 4,200 | $10.00 | 137,162,159 |
| 2013-11-22 | Open-market buy | 300 | $10.04 | 137,165,959 |
| 2013-11-22 | Open-market buy | 400 | $9.93 | 137,155,859 |
| 2013-11-22 | Open-market buy | 1,200 | $10.01 | 137,163,359 |
| 2013-11-22 | Open-market buy | 600 | $10.02 | 137,163,959 |
| 2013-11-22 | Open-market buy | 1,700 | $10.03 | 137,165,659 |
| 2013-11-22 | Open-market buy | 2,100 | $9.93 | 137,157,959 |
| 2013-11-21 | Open-market buy | 1,301 | $10.78 | 137,155,459 |
| 2013-11-21 | Open-market buy | 400 | $10.74 | 137,150,859 |
| 2013-11-21 | Open-market buy | 1,400 | $10.73 | 137,150,459 |
| 2013-11-21 | Open-market buy | 1,600 | $9.97 | 137,149,059 |
| 2013-11-21 | Open-market buy | 400 | $9.96 | 137,147,459 |
| 2013-11-21 | Open-market buy | 800 | $9.94 | 137,147,059 |
| 2013-11-21 | Open-market buy | 1,200 | $9.93 | 137,146,259 |
| 2013-11-21 | Open-market buy | 1,200 | $9.92 | 137,145,059 |
| 2013-11-21 | Open-market buy | 3,800 | $9.91 | 137,143,859 |
| 2013-11-21 | Open-market buy | 6,000 | $9.90 | 137,140,059 |
| 2013-11-21 | Open-market buy | 2,000 | $9.85 | 137,134,059 |
| 2013-11-21 | Open-market buy | 1,100 | $9.82 | 137,132,059 |
| 2013-11-21 | Open-market buy | 900 | $9.81 | 137,130,959 |
| 2013-11-21 | Open-market buy | 2,000 | $9.80 | 137,130,059 |
| 2013-11-21 | Open-market buy | 2,000 | $9.78 | 137,128,059 |
| 2013-11-21 | Open-market buy | 3,100 | $9.77 | 137,126,059 |
| 2013-11-21 | Open-market buy | 900 | $9.76 | 137,122,959 |
| 2013-11-21 | Open-market buy | 400 | $10.76 | 137,151,259 |
| 2013-11-21 | Open-market buy | 2,899 | $10.77 | 137,154,158 |
| 2013-11-20 | Open-market buy | 800 | $10.24 | 137,117,259 |
| 2013-11-20 | Open-market buy | 2,100 | $10.28 | 137,122,059 |
| 2013-11-20 | Open-market buy | 1,200 | $10.25 | 137,118,459 |
| 2013-11-20 | Open-market buy | 1,500 | $10.28 | 137,119,959 |
| 2013-11-19 | Open-market buy | 100 | $9.44 | 137,096,659 |
| 2013-11-19 | Open-market buy | 300 | $9.47 | 137,099,259 |
| 2013-11-19 | Open-market buy | 5,400 | $9.47 | 137,104,659 |
| 2013-11-19 | Open-market buy | 1,800 | $9.48 | 137,106,459 |
| 2013-11-19 | Open-market buy | 300 | $9.51 | 137,106,759 |
| 2013-11-19 | Open-market buy | 2,700 | $9.51 | 137,109,459 |
| 2013-11-19 | Open-market buy | 3,000 | $9.52 | 137,112,459 |
| 2013-11-19 | Open-market buy | 200 | $9.54 | 137,112,659 |
| 2013-11-19 | Open-market buy | 3,800 | $9.55 | 137,116,459 |
| 2013-11-19 | Open-market buy | 2,300 | $9.44 | 137,098,959 |
| 2013-11-18 | Open-market buy | 2,200 | $9.97 | 137,085,759 |
| 2013-11-18 | Open-market buy | 2,800 | $9.70 | 137,074,559 |
| 2013-11-18 | Open-market buy | 4,100 | $9.89 | 137,078,659 |
| 2013-11-18 | Open-market buy | 2,900 | $9.91 | 137,081,559 |
| 2013-11-18 | Open-market buy | 1,400 | $9.92 | 137,082,959 |
| 2013-11-18 | Open-market buy | 600 | $9.97 | 137,083,559 |
| 2013-11-18 | Open-market buy | 4,800 | $10.01 | 137,096,559 |
| 2013-11-18 | Open-market buy | 6,000 | $10.00 | 137,091,759 |
| 2013-11-15 | Open-market buy | 900 | $9.99 | 137,056,559 |
| 2013-11-15 | Open-market buy | 1,100 | $10.00 | 137,057,659 |
| 2013-11-15 | Open-market buy | 1,200 | $10.01 | 137,058,859 |
| 2013-11-15 | Open-market buy | 4,200 | $10.02 | 137,063,059 |
| 2013-11-15 | Open-market buy | 3,900 | $10.03 | 137,066,959 |
| 2013-11-15 | Open-market buy | 1,400 | $10.04 | 137,068,359 |
| 2013-11-15 | Open-market buy | 400 | $10.05 | 137,068,759 |
| 2013-11-15 | Open-market buy | 2,100 | $10.09 | 137,070,859 |
| 2013-11-15 | Open-market buy | 900 | $10.10 | 137,071,759 |
| 2013-11-14 | Open-market buy | 800 | $10.08 | 137,043,259 |
| 2013-11-14 | Open-market buy | 2,700 | $10.09 | 137,045,959 |
| 2013-11-14 | Open-market buy | 400 | $10.10 | 137,046,359 |
| 2013-11-14 | Open-market buy | 4,300 | $10.06 | 137,037,659 |
| 2013-11-14 | Open-market buy | 100 | $10.05 | 137,030,159 |
| 2013-11-14 | Open-market buy | 552 | $10.15 | 137,055,659 |
| 2013-11-14 | Open-market buy | 1,548 | $10.14 | 137,055,107 |
| 2013-11-14 | Open-market buy | 5,400 | $10.13 | 137,053,559 |
| 2013-11-14 | Open-market buy | 1,800 | $10.12 | 137,048,159 |
| 2013-11-14 | Open-market buy | 4,800 | $10.07 | 137,042,459 |
| 2013-11-14 | Open-market buy | 3,200 | $10.05 | 137,033,359 |
| 2013-11-13 | Open-market buy | 200 | $10.07 | 137,021,059 |
| 2013-11-13 | Open-market buy | 2,300 | $10.06 | 137,020,859 |
| 2013-11-13 | Open-market buy | 2,400 | $10.08 | 137,023,459 |
| 2013-11-13 | Open-market buy | 1,300 | $10.02 | 137,018,559 |
| 2013-11-13 | Open-market buy | 1,700 | $10.01 | 137,017,259 |
| 2013-11-13 | Open-market buy | 100 | $10.13 | 137,030,059 |
| 2013-11-13 | Open-market buy | 3,000 | $10.12 | 137,029,959 |
| 2013-11-13 | Open-market buy | 3,500 | $10.09 | 137,026,959 |
| 2013-11-12 | Open-market buy | 1,400 | $10.22 | 137,015,559 |
| 2013-11-12 | Open-market buy | 6,000 | $10.21 | 137,014,159 |
| 2013-11-12 | Open-market buy | 1,200 | $10.18 | 137,008,159 |
| 2013-11-12 | Open-market buy | 400 | $10.17 | 137,006,959 |
| 2013-11-12 | Open-market buy | 1,900 | $10.16 | 137,006,559 |
| 2013-11-12 | Open-market buy | 100 | $10.16 | 137,004,659 |
| 2013-11-12 | Open-market buy | 200 | $10.13 | 137,004,559 |
| 2013-11-12 | Open-market buy | 200 | $10.12 | 137,004,359 |
| 2013-11-12 | Open-market buy | 2,300 | $10.11 | 137,004,159 |
| 2013-11-12 | Open-market buy | 5,300 | $10.10 | 137,001,859 |
| 2013-11-12 | Open-market buy | 1,700 | $10.09 | 136,996,559 |
| 2013-11-12 | Open-market buy | 100 | $10.09 | 136,994,859 |
| 2013-11-11 | Open-market buy | 5,000 | $10.34 | 136,994,759 |
| 2013-11-11 | Open-market buy | 2,400 | $10.23 | 136,980,259 |
| 2013-11-11 | Open-market buy | 5,500 | $10.29 | 136,985,759 |
| 2013-11-11 | Open-market buy | 400 | $10.31 | 136,986,159 |
| 2013-11-11 | Open-market buy | 3,700 | $10.20 | 136,972,659 |
| 2013-11-11 | Open-market buy | 400 | $10.20 | 136,968,959 |
| 2013-11-11 | Open-market buy | 5,200 | $10.21 | 136,977,859 |
| 2013-11-11 | Open-market buy | 100 | $10.34 | 136,989,759 |
| 2013-11-11 | Open-market buy | 500 | $10.33 | 136,989,659 |
| 2013-11-11 | Open-market buy | 3,000 | $10.32 | 136,989,159 |
| 2013-11-08 | Open-market buy | 600 | $10.25 | 136,968,559 |
| 2013-11-08 | Open-market buy | 2,600 | $10.24 | 136,967,959 |
| 2013-11-08 | Open-market buy | 1,100 | $10.23 | 136,965,359 |
| 2013-11-07 | Open-market buy | 900 | $10.08 | 136,943,359 |
| 2013-11-07 | Open-market buy | 2,000 | $10.07 | 136,942,459 |
| 2013-11-07 | Open-market buy | 5,500 | $10.04 | 136,936,459 |
| 2013-11-07 | Open-market buy | 1,000 | $10.10 | 136,944,359 |
| 2013-11-07 | Open-market buy | 3,800 | $10.11 | 136,948,159 |
| 2013-11-07 | Open-market buy | 400 | $10.16 | 136,948,559 |
| 2013-11-07 | Open-market buy | 500 | $10.16 | 136,949,059 |
| 2013-11-07 | Open-market buy | 2,300 | $10.17 | 136,951,359 |
| 2013-11-07 | Open-market buy | 3,800 | $10.18 | 136,955,159 |
| 2013-11-07 | Open-market buy | 3,400 | $10.05 | 136,939,859 |
| 2013-11-07 | Open-market buy | 600 | $10.06 | 136,940,459 |
| 2013-11-07 | Open-market buy | 1,000 | $10.28 | 136,964,259 |
| 2013-11-07 | Open-market buy | 1,700 | $10.28 | 136,963,259 |
| 2013-11-07 | Open-market buy | 700 | $10.26 | 136,961,559 |
| 2013-11-07 | Open-market buy | 593 | $10.25 | 136,960,859 |
| 2013-11-07 | Open-market buy | 607 | $10.24 | 136,960,266 |
| 2013-11-07 | Open-market buy | 2,000 | $10.23 | 136,959,659 |
| 2013-11-07 | Open-market buy | 100 | $10.23 | 136,957,659 |
| 2013-11-07 | Open-market buy | 1,200 | $10.21 | 136,957,559 |
| 2013-11-07 | Open-market buy | 700 | $10.20 | 136,956,359 |
| 2013-11-07 | Open-market buy | 500 | $10.19 | 136,955,659 |
| 2013-11-06 | Open-market buy | 1,300 | $10.30 | 136,928,359 |
| 2013-11-06 | Open-market buy | 100 | $10.27 | 136,918,759 |
| 2013-11-06 | Open-market buy | 1,300 | $10.27 | 136,920,059 |
| 2013-11-06 | Open-market buy | 1,200 | $10.28 | 136,921,259 |
| 2013-11-06 | Open-market buy | 5,800 | $10.29 | 136,927,059 |
| 2013-11-06 | Open-market buy | 1,798 | $10.33 | 136,930,959 |
| 2013-11-06 | Open-market buy | 801 | $10.32 | 136,929,161 |
| 2013-11-06 | Open-market buy | 1 | $10.31 | 136,928,360 |
| 2013-11-01 | Open-market buy | 1,000 | $10.04 | 136,918,659 |
| 2013-11-01 | Open-market buy | 1,300 | $9.98 | 136,913,959 |
| 2013-11-01 | Open-market buy | 100 | $10.02 | 136,917,659 |
| 2013-11-01 | Open-market buy | 600 | $10.01 | 136,917,559 |
| 2013-11-01 | Open-market buy | 300 | $10.00 | 136,916,959 |
| 2013-11-01 | Open-market buy | 2,700 | $9.99 | 136,916,659 |
| 2013-11-01 | Open-market buy | 1,103 | $9.82 | 136,888,062 |
| 2013-11-01 | Open-market buy | 1,897 | $9.85 | 136,889,959 |
| 2013-11-01 | Open-market buy | 2,000 | $9.86 | 136,891,959 |
| 2013-11-01 | Open-market buy | 5,000 | $9.88 | 136,896,959 |
| 2013-11-01 | Open-market buy | 100 | $9.89 | 136,897,059 |
| 2013-11-01 | Open-market buy | 3,100 | $9.90 | 136,900,159 |
| 2013-11-01 | Open-market buy | 2,000 | $9.91 | 136,902,159 |
| 2013-11-01 | Open-market buy | 1,225 | $9.92 | 136,903,384 |
| 2013-11-01 | Open-market buy | 1,100 | $9.94 | 136,904,484 |
| 2013-11-01 | Open-market buy | 1,675 | $9.95 | 136,906,159 |
| 2013-11-01 | Open-market buy | 3,600 | $9.96 | 136,909,759 |
| 2013-11-01 | Open-market buy | 2,900 | $9.97 | 136,912,659 |
| 2013-10-31 | Open-market buy | 2,200 | $9.86 | 136,861,359 |
| 2013-10-31 | Open-market buy | 2,000 | $9.89 | 136,863,359 |
| 2013-10-31 | Open-market buy | 100 | $9.90 | 136,863,459 |
| 2013-10-31 | Open-market buy | 2,100 | $9.91 | 136,865,559 |
| 2013-10-31 | Open-market buy | 800 | $9.84 | 136,857,359 |
| 2013-10-31 | Open-market buy | 2,300 | $9.83 | 136,856,559 |
| 2013-10-31 | Open-market buy | 1,500 | $9.82 | 136,854,259 |
| 2013-10-31 | Open-market buy | 400 | $9.80 | 136,852,759 |
| 2013-10-31 | Open-market buy | 1,800 | $9.85 | 136,859,159 |
| 2013-10-31 | Open-market buy | 100 | $10.18 | 136,886,959 |
| 2013-10-31 | Open-market buy | 722 | $10.17 | 136,886,859 |
| 2013-10-31 | Open-market buy | 3,178 | $10.16 | 136,886,137 |
| 2013-10-31 | Open-market buy | 2,600 | $10.15 | 136,882,959 |
| 2013-10-31 | Open-market buy | 2,200 | $10.07 | 136,880,359 |
| 2013-10-31 | Open-market buy | 4,600 | $10.06 | 136,878,159 |
| 2013-10-31 | Open-market buy | 400 | $10.05 | 136,873,559 |
| 2013-10-31 | Open-market buy | 300 | $10.02 | 136,873,159 |
| 2013-10-31 | Open-market buy | 300 | $10.01 | 136,872,859 |
| 2013-10-31 | Open-market buy | 5,800 | $10.00 | 136,872,559 |
| 2013-10-31 | Open-market buy | 400 | $9.99 | 136,866,759 |
| 2013-10-31 | Open-market buy | 800 | $9.96 | 136,866,359 |
| 2013-10-21 | Open-market buy | 20,000 | $11.34 | 136,852,359 |
| 2013-10-18 | Open-market buy | 4,700 | $12.00 | 136,831,659 |
| 2013-10-18 | Open-market buy | 600 | $11.99 | 136,826,959 |
| 2013-10-18 | Open-market buy | 500 | $11.98 | 136,826,359 |
| 2013-10-18 | Open-market buy | 400 | $11.97 | 136,825,859 |
| 2013-10-18 | Open-market buy | 6,400 | $11.96 | 136,825,459 |
| 2013-10-18 | Open-market buy | 500 | $11.96 | 136,819,059 |
| 2013-10-18 | Open-market buy | 300 | $11.93 | 136,818,559 |
| 2013-10-18 | Open-market buy | 700 | $12.01 | 136,832,359 |
| 2013-10-18 | Open-market buy | 100 | $11.81 | 136,816,659 |
| 2013-10-18 | Open-market buy | 2,900 | $11.79 | 136,816,559 |
| 2013-10-18 | Open-market buy | 1,300 | $11.69 | 136,813,659 |
| 2013-10-18 | Open-market buy | 600 | $11.68 | 136,812,359 |
| 2013-10-18 | Open-market buy | 100 | $11.68 | 136,811,759 |
| 2013-10-18 | Open-market buy | 2,000 | $11.43 | 136,811,659 |
| 2013-10-18 | Open-market buy | 1,600 | $11.92 | 136,818,259 |
| 2013-10-11 | Open-market buy | 3,400 | $10.02 | 136,806,059 |
| 2013-10-11 | Open-market buy | 600 | $10.03 | 136,806,659 |
| 2013-10-11 | Open-market buy | 200 | $10.05 | 136,806,859 |
| 2013-10-11 | Open-market buy | 2,800 | $10.05 | 136,809,659 |
| 2013-10-10 | Open-market buy | 5,000 | $9.90 | 136,799,159 |
| 2013-10-10 | Open-market buy | 1,400 | $9.97 | 136,800,559 |
| 2013-10-10 | Open-market buy | 2,100 | $9.98 | 136,802,659 |
| 2013-10-09 | Open-market buy | 1,100 | $9.28 | 136,774,259 |
| 2013-10-09 | Open-market buy | 1,800 | $9.29 | 136,776,059 |
| 2013-10-09 | Open-market buy | 700 | $9.30 | 136,776,759 |
| 2013-10-09 | Open-market buy | 1,210 | $9.32 | 136,777,969 |
| 2013-10-09 | Open-market buy | 6,290 | $9.33 | 136,784,259 |
| 2013-10-09 | Open-market buy | 900 | $9.27 | 136,773,159 |
| 2013-10-09 | Open-market buy | 2,200 | $9.48 | 136,794,159 |
| 2013-10-09 | Open-market buy | 300 | $9.47 | 136,791,959 |
| 2013-10-09 | Open-market buy | 500 | $9.46 | 136,791,659 |
| 2013-10-09 | Open-market buy | 500 | $9.45 | 136,791,159 |
| 2013-10-09 | Open-market buy | 2,600 | $9.41 | 136,790,659 |
| 2013-10-09 | Open-market buy | 900 | $9.37 | 136,788,059 |
| 2013-10-09 | Open-market buy | 900 | $9.36 | 136,787,159 |
| 2013-10-09 | Open-market buy | 2,000 | $9.34 | 136,786,259 |
| 2013-10-08 | Open-market buy | 400 | $9.52 | 136,759,659 |
| 2013-10-08 | Open-market buy | 410 | $9.59 | 136,769,871 |
| 2013-10-08 | Open-market buy | 388 | $9.60 | 136,770,259 |
| 2013-10-08 | Open-market buy | 100 | $9.62 | 136,770,359 |
| 2013-10-08 | Open-market buy | 1,900 | $9.63 | 136,772,259 |
| 2013-10-08 | Open-market buy | 700 | $9.47 | 136,753,959 |
| 2013-10-08 | Open-market buy | 1,500 | $9.47 | 136,755,459 |
| 2013-10-08 | Open-market buy | 1,200 | $9.48 | 136,756,659 |
| 2013-10-08 | Open-market buy | 2,600 | $9.49 | 136,759,259 |
| 2013-10-08 | Open-market buy | 3,763 | $9.52 | 136,763,422 |
| 2013-10-08 | Open-market buy | 2,937 | $9.53 | 136,766,359 |
| 2013-10-08 | Open-market buy | 700 | $9.54 | 136,767,059 |
| 2013-10-08 | Open-market buy | 1,200 | $9.55 | 136,768,259 |
| 2013-10-08 | Open-market buy | 992 | $9.57 | 136,769,251 |
| 2013-10-08 | Open-market buy | 210 | $9.58 | 136,769,461 |
| 2013-09-25 | Open-market buy | 8,500 | $8.73 | 136,746,759 |
| 2013-09-25 | Open-market buy | 6,500 | $8.74 | 136,753,259 |
| 2013-09-19 | Open-market buy | 9,500 | $8.28 | 136,728,259 |
| 2013-09-19 | Open-market buy | 300 | $8.31 | 136,728,559 |
| 2013-09-19 | Open-market buy | 500 | $8.28 | 136,718,759 |
| 2013-09-19 | Open-market buy | 1,700 | $8.33 | 136,738,259 |
| 2013-09-19 | Open-market buy | 2,358 | $8.32 | 136,736,559 |
| 2013-09-19 | Open-market buy | 5,642 | $8.31 | 136,734,201 |
| 2013-08-29 | Grant / award (derivative) | 24,877 | $0.00 | 24,877 |
| 2013-08-29 | Grant / award (derivative) | 54,730 | $0.00 | 54,730 |
| 2013-08-29 | Grant / award (derivative) | 539,344 | $0.00 | 539,344 |
| 2013-08-29 | Grant / award | 9,755,214 | — | 136,718,259 |
| 2013-08-29 | Grant / award (derivative) | 54,730 | $0.00 | 54,730 |
| 2013-08-29 | Grant / award (derivative) | 24,877 | $0.00 | 24,877 |
| 2013-08-29 | Grant / award (derivative) | 539,344 | $0.00 | 539,344 |
| 2013-08-29 | Grant / award | 9,755,215 | — | 136,718,260 |
| 2013-07-24 | Open-market buy | 3,800 | $7.56 | 126,916,445 |
| 2013-07-24 | Open-market buy | 15,200 | $7.57 | 126,931,645 |
| 2013-07-24 | Open-market buy | 500 | $7.58 | 126,932,145 |
| 2013-07-24 | Open-market buy | 3,500 | $7.59 | 126,935,645 |
| 2013-07-24 | Open-market buy | 8,600 | $7.60 | 126,944,245 |
| 2013-07-24 | Open-market buy | 3,300 | $7.61 | 126,947,545 |
| 2013-07-24 | Open-market buy | 1,518 | $7.62 | 126,949,063 |
| 2013-07-24 | Open-market buy | 1,682 | $7.63 | 126,950,745 |
| 2013-07-24 | Open-market buy | 2,818 | $7.64 | 126,953,563 |
| 2013-07-24 | Open-market buy | 9,482 | $7.65 | 126,963,045 |
| 2013-07-24 | Open-market buy | 5,900 | $7.55 | 126,912,645 |
| 2013-07-24 | Open-market buy | 8,400 | $7.54 | 126,906,745 |
| 2013-07-16 | Open-market buy | 2,100 | $7.38 | 126,898,345 |
| 2013-07-16 | Open-market buy | 4,300 | $7.36 | 126,896,245 |
| 2013-07-16 | Open-market buy | 7,650 | $7.35 | 126,891,945 |
| 2013-07-16 | Open-market buy | 1,550 | $7.34 | 126,884,295 |
| 2013-07-16 | Open-market buy | 2,200 | $7.33 | 126,882,745 |
| 2013-07-16 | Open-market buy | 300 | $7.33 | 126,880,545 |
| 2013-07-15 | Open-market buy | 300 | $7.37 | 126,844,445 |
| 2013-07-15 | Open-market buy | 1,890 | $7.43 | 126,880,245 |
| 2013-07-15 | Open-market buy | 6,400 | $7.37 | 126,850,845 |
| 2013-07-15 | Open-market buy | 16,822 | $7.38 | 126,867,667 |
| 2013-07-15 | Open-market buy | 5,078 | $7.39 | 126,872,745 |
| 2013-07-15 | Open-market buy | 4,700 | $7.40 | 126,877,445 |
| 2013-07-15 | Open-market buy | 910 | $7.42 | 126,878,355 |
| 2013-07-12 | Open-market buy | 2,936 | $7.40 | 126,840,145 |
| 2013-07-12 | Open-market buy | 100 | $7.27 | 126,824,745 |
| 2013-07-12 | Open-market buy | 2,000 | $7.27 | 126,826,745 |
| 2013-07-12 | Open-market buy | 700 | $7.45 | 126,844,145 |
| 2013-07-12 | Open-market buy | 1,300 | $7.44 | 126,843,445 |
| 2013-07-12 | Open-market buy | 2,000 | $7.42 | 126,842,145 |
| 2013-07-12 | Open-market buy | 4,464 | $7.39 | 126,837,209 |
| 2013-07-12 | Open-market buy | 100 | $7.37 | 126,832,745 |
| 2013-07-12 | Open-market buy | 2,450 | $7.29 | 126,832,645 |
| 2013-07-12 | Open-market buy | 3,450 | $7.28 | 126,830,195 |
| 2013-07-10 | Open-market buy | 100 | $7.18 | 126,814,745 |
| 2013-07-10 | Open-market buy | 3,700 | $7.18 | 126,818,445 |
| 2013-07-10 | Open-market buy | 200 | $7.19 | 126,818,645 |
| 2013-07-10 | Open-market buy | 100 | $7.22 | 126,818,745 |
| 2013-07-10 | Open-market buy | 2,900 | $7.22 | 126,821,645 |
| 2013-07-10 | Open-market buy | 3,000 | $7.23 | 126,824,645 |
| 2013-07-09 | Open-market buy | 1,900 | $7.21 | 126,802,045 |
| 2013-07-09 | Open-market buy | 1,100 | $7.17 | 126,773,645 |
| 2013-07-09 | Open-market buy | 1,200 | $7.18 | 126,774,845 |
| 2013-07-09 | Open-market buy | 16,710 | $7.19 | 126,791,555 |
| 2013-07-09 | Open-market buy | 8,590 | $7.20 | 126,800,145 |
| 2013-07-09 | Open-market buy | 7,000 | $7.22 | 126,809,045 |
| 2013-07-09 | Open-market buy | 5,600 | $7.23 | 126,814,645 |
| 2013-07-05 | Open-market buy | 1,000 | $7.20 | 126,763,545 |
| 2013-07-05 | Open-market buy | 1,200 | $7.18 | 126,758,745 |
| 2013-07-05 | Open-market buy | 3,800 | $7.19 | 126,762,545 |
| 2013-07-05 | Open-market buy | 1,000 | $7.21 | 126,764,545 |
| 2013-07-05 | Open-market buy | 2,000 | $7.22 | 126,766,545 |
| 2013-07-05 | Open-market buy | 5,000 | $7.25 | 126,772,545 |
| 2013-07-05 | Open-market buy | 1,000 | $7.24 | 126,767,545 |
| 2013-07-03 | Open-market buy | 4,600 | $7.26 | 126,755,945 |
| 2013-07-03 | Open-market buy | 5,500 | $7.25 | 126,751,345 |
| 2013-07-03 | Open-market buy | 15,600 | $7.24 | 126,745,845 |
| 2013-07-03 | Open-market buy | 1,600 | $7.27 | 126,757,545 |
| 2013-07-03 | Open-market buy | 1,600 | $7.23 | 126,730,245 |
| 2013-07-03 | Open-market buy | 3,100 | $7.22 | 126,728,645 |
| 2013-07-03 | Open-market buy | 500 | $7.22 | 126,725,545 |
| 2013-07-03 | Open-market buy | 6,699 | $7.20 | 126,725,045 |
| 2013-07-03 | Open-market buy | 13,301 | $7.19 | 126,718,346 |
| 2013-07-03 | Open-market buy | 10,400 | $7.18 | 126,705,045 |
| 2013-07-03 | Open-market buy | 100 | $7.18 | 126,694,645 |
| 2013-07-02 | Open-market buy | 10,000 | $7.29 | 126,689,545 |
| 2013-07-02 | Open-market buy | 100 | $7.31 | 126,689,645 |
| 2013-07-02 | Open-market buy | 2,100 | $7.32 | 126,694,545 |
| 2013-07-02 | Open-market buy | 9,054 | $7.26 | 126,676,545 |
| 2013-07-02 | Open-market buy | 3,000 | $7.28 | 126,679,545 |
| 2013-07-02 | Open-market buy | 946 | $7.25 | 126,667,491 |
| 2013-07-02 | Open-market buy | 2,800 | $7.31 | 126,692,445 |
| 2013-07-01 | Open-market buy | 400 | $7.26 | 126,648,945 |
| 2013-07-01 | Open-market buy | 3,000 | $7.29 | 126,661,545 |
| 2013-07-01 | Open-market buy | 400 | $7.34 | 126,666,545 |
| 2013-07-01 | Open-market buy | 4,600 | $7.30 | 126,666,145 |
| 2013-07-01 | Open-market buy | 9,600 | $7.26 | 126,658,545 |
| 2013-06-28 | Open-market buy | 110 | $7.14 | 126,634,154 |
| 2013-06-28 | Open-market buy | 228 | $7.17 | 126,648,545 |
| 2013-06-28 | Open-market buy | 4,973 | $7.16 | 126,648,317 |
| 2013-06-28 | Open-market buy | 1,500 | $7.15 | 126,643,344 |
| 2013-06-28 | Open-market buy | 7,690 | $7.14 | 126,641,844 |
| 2013-06-27 | Open-market buy | 6,054 | $7.10 | 126,627,298 |
| 2013-06-27 | Open-market buy | 200 | $7.10 | 126,621,244 |
| 2013-06-27 | Open-market buy | 6,618 | $7.11 | 126,633,916 |
| 2013-06-27 | Open-market buy | 128 | $7.12 | 126,634,044 |
| 2013-06-26 | Open-market buy | 5,000 | $6.99 | 126,621,044 |
| 2013-06-26 | Open-market buy | 5,000 | $6.98 | 126,616,044 |
| 2013-06-25 | Open-market buy | 5,600 | $6.90 | 126,599,144 |
| 2013-06-25 | Open-market buy | 5,000 | $6.94 | 126,611,044 |
| 2013-06-25 | Open-market buy | 2,500 | $6.89 | 126,593,544 |
| 2013-06-25 | Open-market buy | 900 | $6.91 | 126,600,044 |
| 2013-06-25 | Open-market buy | 3,500 | $6.92 | 126,603,544 |
| 2013-06-25 | Open-market buy | 2,500 | $6.93 | 126,606,044 |
| 2013-06-24 | Open-market buy | 9,269 | $6.93 | 126,582,413 |
| 2013-06-24 | Open-market buy | 5,000 | $6.88 | 126,558,044 |
| 2013-06-24 | Open-market buy | 1,000 | $6.89 | 126,559,044 |
| 2013-06-24 | Open-market buy | 1,000 | $6.98 | 126,591,044 |
| 2013-06-24 | Open-market buy | 2,000 | $6.96 | 126,590,044 |
| 2013-06-24 | Open-market buy | 4,131 | $6.95 | 126,588,044 |
| 2013-06-24 | Open-market buy | 1,500 | $6.94 | 126,583,913 |
| 2013-06-24 | Open-market buy | 6,000 | $6.92 | 126,573,144 |
| 2013-06-24 | Open-market buy | 8,000 | $6.91 | 126,567,144 |
| 2013-06-24 | Open-market buy | 100 | $6.90 | 126,559,144 |
| 2013-06-17 | Open-market buy | 2,000 | $7.10 | 126,553,044 |
| 2013-06-17 | Open-market buy | 10,000 | $6.90 | 126,546,044 |
| 2013-06-17 | Open-market buy | 500 | $6.93 | 126,546,544 |
| 2013-06-17 | Open-market buy | 500 | $6.95 | 126,547,044 |
| 2013-06-17 | Open-market buy | 500 | $6.96 | 126,547,544 |
| 2013-06-17 | Open-market buy | 1,500 | $6.99 | 126,549,044 |
| 2013-06-17 | Open-market buy | 2,000 | $7.09 | 126,551,044 |
| 2013-06-14 | Open-market buy | 9,822 | $6.86 | 126,523,560 |
| 2013-06-14 | Open-market buy | 17,894 | $6.85 | 126,513,738 |
| 2013-06-14 | Open-market buy | 4,800 | $6.84 | 126,495,844 |
| 2013-06-14 | Open-market buy | 2,000 | $6.83 | 126,491,044 |
| 2013-06-14 | Open-market buy | 2,304 | $6.88 | 126,536,044 |
| 2013-06-14 | Open-market buy | 10,180 | $6.87 | 126,533,740 |
| 2013-06-13 | Open-market buy | 1,247 | $6.78 | 126,489,044 |
| 2013-06-13 | Open-market buy | 4,000 | $6.76 | 126,486,044 |
| 2013-06-13 | Open-market buy | 1,753 | $6.77 | 126,487,797 |
| 2013-06-07 | Open-market buy | 1,516 | $6.52 | 126,459,544 |
| 2013-06-07 | Open-market buy | 64,500 | $6.50 | 126,452,044 |
| 2013-06-07 | Open-market buy | 5,984 | $6.51 | 126,458,028 |
| 2013-06-07 | Open-market buy | 4,400 | $6.49 | 126,387,544 |
| 2013-06-07 | Open-market buy | 200 | $6.53 | 126,459,744 |
| 2013-06-07 | Open-market buy | 300 | $6.54 | 126,460,044 |
| 2013-06-07 | Open-market buy | 1,000 | $6.48 | 126,383,144 |
| 2013-06-07 | Open-market buy | 100 | $6.47 | 126,382,144 |
| 2013-06-07 | Open-market buy | 1,000 | $6.63 | 126,482,044 |
| 2013-06-07 | Open-market buy | 20,000 | $6.62 | 126,481,044 |
| 2013-06-07 | Open-market buy | 1,000 | $6.57 | 126,461,044 |
| 2013-06-06 | Open-market buy | 3,500 | $6.46 | 126,304,044 |
| 2013-06-06 | Open-market buy | 2,500 | $6.45 | 126,300,544 |
| 2013-06-06 | Open-market buy | 5,975 | $6.42 | 126,298,044 |
| 2013-06-06 | Open-market buy | 9,150 | $6.39 | 126,292,069 |
| 2013-06-06 | Open-market buy | 3,375 | $6.38 | 126,282,919 |
| 2013-06-06 | Open-market buy | 9,900 | $6.35 | 126,279,544 |
| 2013-06-06 | Open-market buy | 100 | $6.34 | 126,269,644 |
| 2013-06-06 | Open-market buy | 6,502 | $6.33 | 126,269,544 |
| 2013-06-06 | Open-market buy | 7,998 | $6.32 | 126,263,042 |
| 2013-06-06 | Open-market buy | 100,000 | $6.31 | 126,255,044 |
| 2013-06-06 | Open-market buy | 12,300 | $6.29 | 126,154,034 |
| 2013-06-06 | Open-market buy | 1,190 | $6.28 | 126,141,734 |
| 2013-06-06 | Open-market buy | 3,150 | $6.27 | 123,140,544 |
| 2013-06-06 | Open-market buy | 2,000 | $6.26 | 126,137,394 |
| 2013-06-06 | Open-market buy | 2,850 | $6.25 | 126,135,394 |
| 2013-06-06 | Open-market buy | 500 | $6.23 | 126,132,544 |
| 2013-06-06 | Open-market buy | 17,455 | $6.47 | 126,321,499 |
| 2013-06-06 | Open-market buy | 10,545 | $6.49 | 126,332,044 |
| 2013-06-06 | Open-market buy | 10,000 | $6.50 | 126,342,044 |
| 2013-06-06 | Open-market buy | 11,200 | $6.54 | 126,353,244 |
| 2013-06-06 | Open-market buy | 1,010 | $6.30 | 126,155,044 |
| 2013-06-06 | Open-market buy | 28,800 | $6.55 | 126,382,044 |
| 2013-06-04 | Open-market buy | 5,603 | $6.41 | 126,080,144 |
| 2013-06-04 | Open-market buy | 2,397 | $6.40 | 126,074,541 |
| 2013-06-04 | Open-market buy | 10,000 | $6.39 | 126,072,144 |
| 2013-06-04 | Open-market buy | 4,700 | $6.49 | 126,132,044 |
| 2013-06-04 | Open-market buy | 12,400 | $6.43 | 126,101,344 |
| 2013-06-04 | Open-market buy | 8,800 | $6.42 | 126,088,944 |
| 2013-06-04 | Open-market buy | 1,600 | $6.49 | 126,127,344 |
| 2013-06-04 | Open-market buy | 938 | $6.47 | 126,125,744 |
| 2013-06-04 | Open-market buy | 18,962 | $6.46 | 126,124,806 |
| 2013-06-04 | Open-market buy | 100 | $6.46 | 126,105,844 |
| 2013-06-04 | Open-market buy | 4,400 | $6.44 | 126,105,744 |
| 2013-06-03 | Open-market buy | 7,400 | $6.49 | 126,012,044 |
| 2013-06-03 | Open-market buy | 12,000 | $6.56 | 126,062,144 |
| 2013-06-03 | Open-market buy | 100 | $6.45 | 126,002,244 |
| 2013-06-03 | Open-market buy | 2,400 | $6.45 | 126,004,644 |
| 2013-06-03 | Open-market buy | 15,900 | $6.55 | 126,050,144 |
| 2013-06-03 | Open-market buy | 5,700 | $6.54 | 126,034,244 |
| 2013-06-03 | Open-market buy | 2,800 | $6.53 | 126,028,544 |
| 2013-06-03 | Open-market buy | 6,100 | $6.52 | 126,025,744 |
| 2013-06-03 | Open-market buy | 5,000 | $6.51 | 126,019,644 |
| 2013-06-03 | Open-market buy | 2,600 | $6.50 | 126,014,644 |
| 2013-05-31 | Open-market buy | 2,300 | $6.69 | 126,002,144 |
| 2013-05-31 | Open-market buy | 4,000 | $6.68 | 125,999,844 |
| 2013-05-31 | Open-market buy | 4,300 | $6.67 | 125,995,844 |
| 2013-05-31 | Open-market buy | 12,000 | $6.65 | 125,991,544 |
| 2013-05-30 | Open-market buy | 6,500 | $6.71 | 125,969,544 |
| 2013-05-30 | Open-market buy | 10,000 | $6.72 | 125,979,544 |
| 2013-05-30 | Open-market buy | 7,000 | $6.70 | 125,963,044 |
| 2013-05-29 | Open-market buy | 100 | $6.82 | 125,956,044 |
| 2013-05-29 | Open-market buy | 7,800 | $6.77 | 125,947,744 |
| 2013-05-29 | Open-market buy | 1,300 | $6.78 | 125,949,044 |
| 2013-05-29 | Open-market buy | 2,183 | $6.79 | 125,951,227 |
| 2013-05-29 | Open-market buy | 1,800 | $6.80 | 125,953,027 |
| 2013-05-29 | Open-market buy | 2,917 | $6.81 | 125,955,944 |
| 2013-05-29 | Open-market buy | 100 | $6.68 | 125,902,144 |
| 2013-05-29 | Open-market buy | 100 | $6.69 | 125,902,244 |
| 2013-05-29 | Open-market buy | 1,900 | $6.70 | 125,904,144 |
| 2013-05-29 | Open-market buy | 2,600 | $6.73 | 125,906,744 |
| 2013-05-29 | Open-market buy | 7,850 | $6.76 | 125,939,944 |
| 2013-05-29 | Open-market buy | 3,300 | $6.75 | 125,932,094 |
| 2013-05-29 | Open-market buy | 14,566 | $6.74 | 125,928,794 |
| 2013-05-29 | Open-market buy | 7,484 | $6.73 | 125,914,228 |
| 2013-05-24 | Open-market buy | 12,100 | $6.91 | 125,855,144 |
| 2013-05-24 | Open-market buy | 5,600 | $6.90 | 125,843,044 |
| 2013-05-24 | Open-market buy | 10,425 | $6.89 | 125,837,444 |
| 2013-05-24 | Open-market buy | 4,153 | $6.88 | 125,827,019 |
| 2013-05-24 | Open-market buy | 7,492 | $6.87 | 125,822,866 |
| 2013-05-24 | Open-market buy | 3,758 | $6.86 | 125,815,374 |
| 2013-05-24 | Open-market buy | 6,772 | $6.85 | 125,811,616 |
| 2013-05-24 | Open-market buy | 12,100 | $6.92 | 125,867,244 |
| 2013-05-24 | Open-market buy | 18,787 | $6.93 | 125,886,031 |
| 2013-05-24 | Open-market buy | 8,646 | $6.94 | 125,894,677 |
| 2013-05-24 | Open-market buy | 6,867 | $6.95 | 125,901,544 |
| 2013-05-24 | Open-market buy | 500 | $6.96 | 125,902,044 |
| 2013-05-24 | Open-market buy | 600 | $6.85 | 125,804,844 |
| 2013-05-23 | Open-market buy | 28,550 | $6.97 | 125,801,194 |
| 2013-05-23 | Open-market buy | 200 | $6.96 | 125,767,444 |
| 2013-05-23 | Open-market buy | 5,200 | $6.96 | 125,772,644 |
| 2013-05-23 | Open-market buy | 1,489 | $6.98 | 125,802,683 |
| 2013-05-23 | Open-market buy | 1,561 | $6.99 | 125,804,244 |
| 2013-05-22 | Open-market buy | 900 | $6.90 | 125,764,244 |
| 2013-05-22 | Open-market buy | 11,984 | $6.89 | 125,763,344 |
| 2013-05-22 | Open-market buy | 8,813 | $6.88 | 125,751,360 |
| 2013-05-22 | Open-market buy | 5,303 | $6.87 | 125,742,547 |
| 2013-05-22 | Open-market buy | 7,848 | $6.86 | 125,737,244 |
| 2013-05-22 | Open-market buy | 52 | $6.86 | 125,729,396 |
| 2013-05-22 | Open-market buy | 2,700 | $6.92 | 125,766,944 |
| 2013-05-22 | Open-market buy | 300 | $6.92 | 125,767,244 |
| 2013-05-22 | Open-market buy | 4,400 | $6.84 | 125,729,344 |
| 2013-05-21 | Open-market buy | 5,131 | $6.95 | 125,674,406 |
| 2013-05-21 | Open-market buy | 538 | $6.96 | 125,674,944 |
| 2013-05-21 | Open-market buy | 14,200 | $6.97 | 125,689,144 |
| 2013-05-21 | Open-market buy | 4,400 | $6.98 | 125,693,544 |
| 2013-05-21 | Open-market buy | 2,300 | $6.99 | 125,695,844 |
| 2013-05-21 | Open-market buy | 2,000 | $7.00 | 125,697,844 |
| 2013-05-21 | Open-market buy | 200 | $7.01 | 125,698,044 |
| 2013-05-21 | Open-market buy | 900 | $7.02 | 125,698,944 |
| 2013-05-21 | Open-market buy | 1,000 | $7.03 | 125,699,944 |
| 2013-05-21 | Open-market buy | 20,000 | $7.05 | 125,719,944 |
| 2013-05-21 | Open-market buy | 3,500 | $7.09 | 125,723,444 |
| 2013-05-21 | Open-market buy | 1,500 | $7.10 | 125,724,944 |
| 2013-05-21 | Open-market buy | 12,500 | $6.94 | 125,669,275 |
| 2013-05-21 | Open-market buy | 5,331 | $6.93 | 125,656,775 |
| 2013-05-20 | Open-market buy | 3,500 | $7.00 | 125,600,544 |
| 2013-05-20 | Open-market buy | 2,106 | $7.18 | 125,651,444 |
| 2013-05-20 | Open-market buy | 300 | $7.17 | 125,649,338 |
| 2013-05-20 | Open-market buy | 100 | $7.16 | 125,649,038 |
| 2013-05-20 | Open-market buy | 2,691 | $7.15 | 125,648,938 |
| 2013-05-20 | Open-market buy | 2,703 | $7.14 | 125,646,247 |
| 2013-05-20 | Open-market buy | 1,400 | $7.13 | 125,643,544 |
| 2013-05-20 | Open-market buy | 4,200 | $7.12 | 125,642,144 |
| 2013-05-20 | Open-market buy | 3,700 | $7.11 | 125,637,944 |
| 2013-05-20 | Open-market buy | 6,800 | $7.11 | 125,634,244 |
| 2013-05-20 | Open-market buy | 2,200 | $7.09 | 125,627,444 |
| 2013-05-20 | Open-market buy | 500 | $7.07 | 125,625,244 |
| 2013-05-20 | Open-market buy | 3,000 | $7.05 | 125,624,744 |
| 2013-05-20 | Open-market buy | 1,100 | $7.04 | 125,621,744 |
| 2013-05-20 | Open-market buy | 10,200 | $7.03 | 125,620,644 |
| 2013-05-20 | Open-market buy | 9,300 | $7.02 | 125,610,444 |
| 2013-05-20 | Open-market buy | 600 | $7.02 | 125,601,144 |
| 2013-05-17 | Open-market buy | 8,900 | $7.12 | 125,589,044 |
| 2013-05-17 | Open-market buy | 1,980 | $7.08 | 125,571,824 |
| 2013-05-17 | Open-market buy | 3,700 | $7.15 | 125,597,044 |
| 2013-05-17 | Open-market buy | 4,200 | $7.14 | 125,593,344 |
| 2013-05-17 | Open-market buy | 100 | $7.14 | 125,589,144 |
| 2013-05-17 | Open-market buy | 3,600 | $7.11 | 125,580,144 |
| 2013-05-17 | Open-market buy | 2,500 | $7.10 | 125,576,544 |
| 2013-05-17 | Open-market buy | 2,220 | $7.09 | 125,574,044 |
| 2013-05-16 | Open-market buy | 20,709 | $7.02 | 125,558,644 |
| 2013-05-16 | Open-market buy | 5,296 | $7.00 | 125,516,040 |
| 2013-05-16 | Open-market buy | 21,895 | $7.01 | 125,537,935 |
| 2013-05-16 | Open-market buy | 4,200 | $7.04 | 125,562,844 |
| 2013-05-16 | Open-market buy | 2,400 | $7.05 | 125,565,244 |
| 2013-05-16 | Open-market buy | 3,300 | $7.06 | 125,568,544 |
| 2013-05-16 | Open-market buy | 1,300 | $7.07 | 125,569,844 |
| 2013-05-15 | Open-market buy | 3,900 | $7.13 | 125,509,844 |
| 2013-05-15 | Open-market buy | 1,700 | $7.08 | 125,499,144 |
| 2013-05-15 | Open-market buy | 2,700 | $7.09 | 125,501,844 |
| 2013-05-15 | Open-market buy | 1,200 | $7.11 | 125,503,044 |
| 2013-05-15 | Open-market buy | 900 | $7.14 | 125,510,744 |
| 2013-05-15 | Open-market buy | 2,900 | $7.11 | 125,505,944 |
| 2013-05-14 | Open-market buy | 1,901 | $6.90 | 125,464,245 |
| 2013-05-14 | Open-market buy | 5,604 | $6.91 | 125,469,849 |
| 2013-05-14 | Open-market buy | 4,895 | $6.92 | 125,474,744 |
| 2013-05-14 | Open-market buy | 4,318 | $6.93 | 125,479,062 |
| 2013-05-14 | Open-market buy | 7,742 | $6.94 | 125,486,804 |
| 2013-05-14 | Open-market buy | 10,640 | $6.95 | 125,497,444 |
| 2013-05-13 | Open-market buy | 7,350 | $6.85 | 125,441,244 |
| 2013-05-13 | Open-market buy | 3,200 | $6.79 | 125,418,644 |
| 2013-05-13 | Open-market buy | 1,300 | $6.80 | 125,419,944 |
| 2013-05-13 | Open-market buy | 3,700 | $6.81 | 125,423,644 |
| 2013-05-13 | Open-market buy | 1,000 | $6.82 | 125,424,644 |
| 2013-05-13 | Open-market buy | 4,600 | $6.83 | 125,429,244 |
| 2013-05-13 | Open-market buy | 4,650 | $6.84 | 125,433,894 |
| 2013-05-13 | Open-market buy | 2,200 | $6.86 | 125,443,444 |
| 2013-05-13 | Open-market buy | 8,800 | $6.87 | 125,452,244 |
| 2013-05-13 | Open-market buy | 2,200 | $6.88 | 125,454,444 |
| 2013-05-13 | Open-market buy | 2,900 | $6.89 | 125,457,344 |
| 2013-05-13 | Open-market buy | 5,000 | $6.90 | 125,462,344 |
| 2013-05-10 | Open-market buy | 3,312 | $6.89 | 125,414,056 |
| 2013-05-10 | Open-market buy | 200 | $6.90 | 125,414,256 |
| 2013-05-10 | Open-market buy | 1,188 | $6.90 | 125,415,444 |
| 2013-05-10 | Open-market buy | 2,896 | $6.84 | 125,410,744 |
| 2013-05-10 | Open-market buy | 2,904 | $6.83 | 125,407,848 |
| 2013-05-09 | Open-market buy | 155 | $6.73 | 125,398,744 |
| 2013-05-09 | Open-market buy | 1,300 | $6.83 | 125,404,944 |
| 2013-05-09 | Open-market buy | 800 | $6.72 | 125,395,044 |
| 2013-05-09 | Open-market buy | 2,600 | $6.82 | 125,403,644 |
| 2013-05-09 | Open-market buy | 300 | $6.81 | 125,401,044 |
| 2013-05-09 | Open-market buy | 2,000 | $6.81 | 125,400,744 |
| 2013-05-09 | Open-market buy | 3,545 | $6.72 | 125,398,589 |
| 2013-05-08 | Open-market buy | 100 | $6.74 | 125,391,844 |
| 2013-05-08 | Open-market buy | 2,400 | $6.74 | 125,394,244 |
| 2013-05-08 | Open-market buy | 5,600 | $6.66 | 125,358,244 |
| 2013-05-08 | Open-market buy | 1,500 | $6.72 | 125,391,744 |
| 2013-05-08 | Open-market buy | 3,200 | $6.71 | 125,390,244 |
| 2013-05-08 | Open-market buy | 400 | $6.66 | 125,352,644 |
| 2013-05-08 | Open-market buy | 200 | $6.68 | 125,358,444 |
| 2013-05-08 | Open-market buy | 5,219 | $6.68 | 125,363,663 |
| 2013-05-08 | Open-market buy | 20,000 | $6.69 | 125,383,663 |
| 2013-05-08 | Open-market buy | 3,381 | $6.70 | 125,387,044 |
| 2013-05-07 | Open-market buy | 3,000 | $6.77 | 125,343,544 |
| 2013-05-07 | Open-market buy | 5,000 | $6.76 | 125,340,544 |
| 2013-05-07 | Open-market buy | 7,800 | $6.78 | 125,351,344 |
| 2013-05-07 | Open-market buy | 900 | $6.79 | 125,352,244 |
| 2013-05-07 | Open-market buy | 3,600 | $6.72 | 125,333,344 |
| 2013-05-07 | Open-market buy | 1,400 | $6.73 | 125,334,744 |
| 2013-05-07 | Open-market buy | 800 | $6.74 | 125,335,544 |
| 2013-05-06 | Open-market buy | 2,200 | $6.73 | 125,329,744 |
| 2013-05-06 | Open-market buy | 1,800 | $6.72 | 125,327,544 |
| 2013-05-06 | Open-market buy | 5,900 | $6.70 | 125,325,744 |
| 2013-05-06 | Open-market buy | 7,000 | $6.69 | 125,319,844 |
| 2013-05-06 | Open-market buy | 2,061 | $6.68 | 125,312,844 |
| 2013-05-06 | Open-market buy | 4,439 | $6.66 | 125,310,783 |
| 2013-05-06 | Open-market buy | 400 | $6.64 | 125,306,344 |
| 2013-05-03 | Open-market buy | 5,400 | $6.67 | 125,283,844 |
| 2013-05-03 | Open-market buy | 2,100 | $6.68 | 125,285,944 |
| 2013-05-03 | Open-market buy | 16,098 | $6.69 | 125,302,042 |
| 2013-05-03 | Open-market buy | 2,902 | $6.70 | 125,304,944 |
| 2013-05-03 | Open-market buy | 1,000 | $6.71 | 125,305,944 |
| 2013-05-02 | Open-market buy | 2,500 | $6.65 | 125,278,444 |
| 2013-05-02 | Open-market buy | 17,429 | $6.53 | 125,226,444 |
| 2013-05-02 | Open-market buy | 6,900 | $6.54 | 125,233,344 |
| 2013-05-02 | Open-market buy | 3,871 | $6.51 | 125,202,315 |
| 2013-05-02 | Open-market buy | 1,000 | $6.62 | 125,275,944 |
| 2013-05-02 | Open-market buy | 6,700 | $6.52 | 125,209,015 |
| 2013-05-02 | Open-market buy | 4,736 | $6.61 | 125,274,944 |
| 2013-05-02 | Open-market buy | 8,467 | $6.55 | 125,241,811 |
| 2013-05-02 | Open-market buy | 4,033 | $6.56 | 125,245,844 |
| 2013-05-02 | Open-market buy | 4,452 | $6.57 | 125,250,296 |
| 2013-05-02 | Open-market buy | 1,848 | $6.58 | 125,252,144 |
| 2013-05-02 | Open-market buy | 9,600 | $6.60 | 125,261,744 |
| 2013-05-02 | Open-market buy | 8,464 | $6.60 | 125,270,208 |
| 2013-05-01 | Open-market buy | 29,800 | $6.41 | 125,156,044 |
| 2013-05-01 | Open-market buy | 300 | $6.41 | 125,126,244 |
| 2013-05-01 | Open-market buy | 300 | $6.47 | 125,190,744 |
| 2013-05-01 | Open-market buy | 2,500 | $6.48 | 125,198,444 |
| 2013-05-01 | Open-market buy | 5,200 | $6.47 | 125,195,944 |
| 2013-05-01 | Open-market buy | 11,700 | $6.42 | 125,167,744 |
| 2013-05-01 | Open-market buy | 14,100 | $6.43 | 125,181,844 |
| 2013-05-01 | Open-market buy | 1,000 | $6.45 | 125,190,444 |
| 2013-05-01 | Open-market buy | 7,600 | $6.44 | 125,189,444 |
| 2013-04-30 | Open-market buy | 2,500 | $6.84 | 125,125,944 |
| 2013-04-30 | Open-market buy | 3,800 | $6.64 | 125,084,744 |
| 2013-04-30 | Open-market buy | 7,700 | $6.65 | 125,092,444 |
| 2013-04-30 | Open-market buy | 11,000 | $6.66 | 125,103,444 |
| 2013-04-30 | Open-market buy | 1,000 | $6.67 | 125,104,444 |
| 2013-04-30 | Open-market buy | 2,500 | $6.68 | 125,106,944 |
| 2013-04-30 | Open-market buy | 2,500 | $6.69 | 125,109,444 |
| 2013-04-30 | Open-market buy | 9,385 | $6.70 | 125,118,829 |
| 2013-04-30 | Open-market buy | 2,615 | $6.72 | 125,121,444 |
| 2013-04-30 | Open-market buy | 1,000 | $6.77 | 125,122,444 |
| 2013-04-30 | Open-market buy | 1,000 | $6.80 | 125,123,444 |
| 2013-04-29 | Open-market buy | 800 | $6.88 | 125,077,752 |
| 2013-04-29 | Open-market buy | 100 | $6.83 | 125,056,044 |
| 2013-04-29 | Open-market buy | 2,008 | $6.87 | 125,076,952 |
| 2013-04-29 | Open-market buy | 3,192 | $6.89 | 125,080,944 |
| 2013-04-29 | Open-market buy | 15,100 | $6.86 | 125,074,944 |
| 2013-04-29 | Open-market buy | 3,800 | $6.85 | 125,059,844 |
| 2013-04-26 | Open-market buy | 8,200 | $6.91 | 125,016,644 |
| 2013-04-26 | Open-market buy | 31,800 | $6.92 | 125,048,444 |
| 2013-04-26 | Open-market buy | 1,731 | $6.94 | 125,055,944 |
| 2013-04-26 | Open-market buy | 2,500 | $6.90 | 125,008,444 |
| 2013-04-26 | Open-market buy | 5,769 | $6.93 | 125,054,213 |
| 2013-04-24 | Open-market buy | 5,000 | $6.88 | 124,930,644 |
| 2013-04-24 | Open-market buy | 1,900 | $6.87 | 124,925,644 |
| 2013-04-24 | Open-market buy | 10,600 | $6.86 | 124,923,744 |
| 2013-04-24 | Open-market buy | 3,500 | $6.85 | 124,913,144 |
| 2013-04-24 | Open-market buy | 2,500 | $6.80 | 124,909,644 |
| 2013-04-24 | Open-market buy | 1,200 | $6.77 | 124,907,144 |
| 2013-04-24 | Open-market buy | 4,500 | $6.92 | 124,936,144 |
| 2013-04-24 | Open-market buy | 8,937 | $6.94 | 124,956,381 |
| 2013-04-24 | Open-market buy | 21,319 | $6.95 | 124,977,700 |
| 2013-04-24 | Open-market buy | 27,244 | $6.96 | 125,004,944 |
| 2013-04-24 | Open-market buy | 1,000 | $7.00 | 125,005,944 |
| 2013-04-24 | Open-market buy | 1,000 | $6.89 | 124,931,644 |
| 2013-04-24 | Open-market buy | 11,300 | $6.93 | 124,947,444 |
| 2013-04-10 | Open-market buy | 4,000 | $7.08 | 124,889,944 |
| 2013-04-10 | Open-market buy | 15,000 | $7.10 | 124,905,944 |
| 2013-04-10 | Open-market buy | 1,000 | $7.09 | 124,890,944 |
| 2013-04-09 | Open-market buy | 2,505 | $7.08 | 124,876,444 |
| 2013-04-09 | Open-market buy | 4,195 | $7.07 | 124,873,939 |
| 2013-04-09 | Open-market buy | 3,800 | $7.06 | 124,869,744 |
| 2013-04-09 | Open-market buy | 500 | $7.04 | 124,865,944 |
| 2013-04-09 | Open-market buy | 500 | $7.02 | 124,865,444 |
| 2013-04-09 | Open-market buy | 3,000 | $7.00 | 124,864,944 |
| 2013-04-09 | Open-market buy | 3,500 | $6.99 | 124,861,944 |
| 2013-04-09 | Open-market buy | 10,000 | $6.98 | 124,858,444 |
| 2013-04-09 | Open-market buy | 45,523 | $6.97 | 124,848,444 |
| 2013-04-09 | Open-market buy | 13,209 | $6.96 | 124,802,921 |
| 2013-04-09 | Open-market buy | 32,008 | $6.95 | 124,789,712 |
| 2013-04-09 | Open-market buy | 35,600 | $6.94 | 124,757,704 |
| 2013-04-09 | Open-market buy | 1,000 | $7.10 | 124,880,944 |
| 2013-04-09 | Open-market buy | 24,158 | $6.92 | 124,707,244 |
| 2013-04-09 | Open-market buy | 8,900 | $6.91 | 124,683,086 |
| 2013-04-09 | Open-market buy | 13,200 | $6.90 | 124,674,186 |
| 2013-04-09 | Open-market buy | 11,142 | $6.89 | 124,660,986 |
| 2013-04-09 | Open-market buy | 800 | $6.88 | 124,649,844 |
| 2013-04-09 | Open-market buy | 700 | $6.87 | 124,649,044 |
| 2013-04-09 | Open-market buy | 12,500 | $6.86 | 124,648,344 |
| 2013-04-09 | Open-market buy | 500 | $6.86 | 124,635,844 |
| 2013-04-09 | Open-market buy | 1,000 | $7.12 | 124,881,944 |
| 2013-04-09 | Open-market buy | 3,000 | $7.14 | 124,884,944 |
| 2013-04-09 | Open-market buy | 1,000 | $7.16 | 124,885,944 |
| 2013-04-09 | Open-market buy | 3,500 | $7.09 | 124,879,944 |
| 2013-04-09 | Open-market buy | 14,860 | $6.93 | 124,722,104 |
| 2013-04-05 | Open-market buy | 1,000 | $7.15 | 124,608,344 |
| 2013-04-05 | Open-market buy | 5,300 | $7.16 | 124,613,644 |
| 2013-04-05 | Open-market buy | 4,200 | $7.17 | 124,617,844 |
| 2013-04-05 | Open-market buy | 15,200 | $7.18 | 124,633,044 |
| 2013-04-05 | Open-market buy | 1,300 | $7.19 | 124,634,344 |
| 2013-04-05 | Open-market buy | 1,000 | $7.21 | 124,635,344 |
| 2013-04-04 | Open-market buy | 3,600 | $7.30 | 124,607,344 |
| 2013-04-04 | Open-market buy | 1,200 | $7.27 | 124,603,744 |
| 2013-04-04 | Open-market buy | 1,800 | $7.26 | 124,602,544 |
| 2013-04-04 | Open-market buy | 5,800 | $7.12 | 124,600,744 |
| 2013-04-04 | Open-market buy | 2,000 | $7.10 | 124,594,944 |
| 2013-04-04 | Open-market buy | 1,400 | $7.08 | 124,592,944 |
| 2013-04-04 | Open-market buy | 6,400 | $7.07 | 124,591,544 |
| 2013-04-03 | Open-market buy | 300 | $7.17 | 124,570,644 |
| 2013-04-03 | Open-market buy | 700 | $7.16 | 124,570,344 |
| 2013-04-03 | Open-market buy | 10,000 | $7.12 | 124,569,644 |
| 2013-04-03 | Open-market buy | 1,000 | $7.05 | 124,559,644 |
| 2013-04-03 | Open-market buy | 1,394 | $7.03 | 124,558,644 |
| 2013-04-03 | Open-market buy | 2,221 | $7.01 | 124,557,250 |
| 2013-04-03 | Open-market buy | 39,068 | $7.00 | 124,555,029 |
| 2013-04-03 | Open-market buy | 7,964 | $6.99 | 124,515,961 |
| 2013-04-03 | Open-market buy | 7,731 | $6.98 | 124,507,997 |
| 2013-04-03 | Open-market buy | 9,022 | $6.97 | 124,500,266 |
| 2013-04-03 | Open-market buy | 1,500 | $6.96 | 124,491,244 |
| 2013-04-03 | Open-market buy | 1,100 | $6.95 | 124,489,744 |
| 2013-04-03 | Open-market buy | 3,500 | $7.24 | 124,585,144 |
| 2013-04-03 | Open-market buy | 1,500 | $6.89 | 124,485,144 |
| 2013-04-03 | Open-market buy | 7,666 | $6.87 | 124,483,644 |
| 2013-04-03 | Open-market buy | 2,900 | $6.86 | 124,475,978 |
| 2013-04-03 | Open-market buy | 13,434 | $6.85 | 124,473,078 |
| 2013-04-03 | Open-market buy | 5,200 | $6.84 | 124,459,644 |
| 2013-04-03 | Open-market buy | 3,500 | $6.83 | 124,454,444 |
| 2013-04-03 | Open-market buy | 6,500 | $6.82 | 124,450,944 |
| 2013-04-03 | Open-market buy | 5,800 | $6.79 | 124,444,444 |
| 2013-04-03 | Open-market buy | 9,900 | $6.75 | 124,438,644 |
| 2013-04-03 | Open-market buy | 100 | $6.75 | 124,428,744 |
| 2013-04-03 | Open-market buy | 300 | $7.19 | 124,570,944 |
| 2013-04-03 | Open-market buy | 6,515 | $7.19 | 124,577,459 |
| 2013-04-03 | Open-market buy | 2,185 | $7.20 | 124,579,644 |
| 2013-04-03 | Open-market buy | 2,000 | $7.23 | 124,581,644 |
| 2013-04-03 | Open-market buy | 3,500 | $6.90 | 124,488,644 |
| 2013-04-02 | Open-market buy | 5,000 | $7.35 | 124,344,744 |
| 2013-04-02 | Open-market buy | 2,800 | $7.34 | 124,339,744 |
| 2013-04-02 | Open-market buy | 200 | $7.34 | 124,336,944 |
| 2013-04-02 | Open-market buy | 3,050 | $7.52 | 124,419,319 |
| 2013-04-02 | Open-market buy | 4,523 | $7.53 | 124,423,842 |
| 2013-04-02 | Open-market buy | 700 | $7.51 | 124,416,269 |
| 2013-04-02 | Open-market buy | 3,125 | $7.50 | 124,415,569 |
| 2013-04-02 | Open-market buy | 400 | $7.50 | 124,412,444 |
| 2013-04-02 | Open-market buy | 1,700 | $7.46 | 124,412,044 |
| 2013-04-02 | Open-market buy | 2,200 | $7.45 | 124,410,344 |
| 2013-04-02 | Open-market buy | 8,000 | $7.44 | 124,408,144 |
| 2013-04-02 | Open-market buy | 2,700 | $7.43 | 124,400,144 |
| 2013-04-02 | Open-market buy | 4,800 | $7.42 | 124,397,444 |
| 2013-04-02 | Open-market buy | 2,500 | $7.41 | 124,392,644 |
| 2013-04-02 | Open-market buy | 8,900 | $7.40 | 124,390,144 |
| 2013-04-02 | Open-market buy | 10,805 | $7.39 | 124,381,244 |
| 2013-04-02 | Open-market buy | 10,477 | $7.38 | 124,370,439 |
| 2013-04-02 | Open-market buy | 8,735 | $7.37 | 124,359,962 |
| 2013-04-02 | Open-market buy | 6,483 | $7.36 | 124,351,227 |
| 2013-04-02 | Open-market buy | 1,000 | $7.56 | 124,428,644 |
| 2013-04-02 | Open-market buy | 1,653 | $7.55 | 124,427,644 |
| 2013-04-02 | Open-market buy | 2,149 | $7.54 | 124,425,991 |
| 2013-04-01 | Open-market buy | 7,600 | $7.43 | 124,288,644 |
| 2013-04-01 | Open-market buy | 7,600 | $7.52 | 124,336,744 |
| 2013-04-01 | Open-market buy | 9,000 | $7.40 | 124,278,844 |
| 2013-04-01 | Open-market buy | 12,900 | $7.44 | 124,301,544 |
| 2013-04-01 | Open-market buy | 6,800 | $7.45 | 124,308,344 |
| 2013-04-01 | Open-market buy | 7,700 | $7.46 | 124,316,044 |
| 2013-04-01 | Open-market buy | 4,500 | $7.47 | 124,320,544 |
| 2013-04-01 | Open-market buy | 5,100 | $7.48 | 124,325,644 |
| 2013-04-01 | Open-market buy | 1,500 | $7.49 | 124,327,144 |
| 2013-04-01 | Open-market buy | 2,000 | $7.50 | 124,329,144 |
| 2013-04-01 | Open-market buy | 2,200 | $7.41 | 124,281,044 |
| 2013-03-28 | Open-market buy | 2,000 | $7.60 | 124,262,144 |
| 2013-03-28 | Open-market buy | 6,800 | $7.59 | 124,260,144 |
| 2013-03-28 | Open-market buy | 2,300 | $7.62 | 124,268,844 |
| 2013-03-28 | Open-market buy | 4,400 | $7.61 | 124,266,544 |
| 2013-03-28 | Open-market buy | 1,000 | $7.63 | 124,269,844 |
| 2013-03-27 | Open-market buy | 2,900 | $7.61 | 124,248,344 |
| 2013-03-27 | Open-market buy | 500 | $7.56 | 124,230,944 |
| 2013-03-27 | Open-market buy | 3,900 | $7.56 | 124,234,844 |
| 2013-03-27 | Open-market buy | 1,800 | $7.57 | 124,236,644 |
| 2013-03-27 | Open-market buy | 4,200 | $7.60 | 124,245,444 |
| 2013-03-27 | Open-market buy | 400 | $7.60 | 124,241,244 |
| 2013-03-27 | Open-market buy | 4,200 | $7.58 | 124,240,844 |
| 2013-03-27 | Open-market buy | 5,000 | $7.62 | 124,253,344 |
| 2013-03-26 | Open-market buy | 3,550 | $7.62 | 124,217,994 |
| 2013-03-26 | Open-market buy | 1,246 | $7.63 | 124,219,240 |
| 2013-03-26 | Open-market buy | 6,204 | $7.64 | 124,225,444 |
| 2013-03-26 | Open-market buy | 5,000 | $7.65 | 124,230,444 |
| 2013-03-26 | Open-market buy | 2,700 | $7.59 | 124,210,644 |
| 2013-03-26 | Open-market buy | 2,300 | $7.61 | 124,214,444 |
| 2013-03-26 | Open-market buy | 1,500 | $7.60 | 124,212,144 |
| 2013-03-25 | Open-market buy | 1,700 | $7.47 | 124,178,044 |
| 2013-03-25 | Open-market buy | 2,299 | $7.63 | 124,207,944 |
| 2013-03-25 | Open-market buy | 1,901 | $7.62 | 124,205,645 |
| 2013-03-25 | Open-market buy | 800 | $7.61 | 124,203,744 |
| 2013-03-25 | Open-market buy | 5,400 | $7.59 | 124,198,244 |
| 2013-03-25 | Open-market buy | 2,700 | $7.51 | 124,192,844 |
| 2013-03-25 | Open-market buy | 2,100 | $7.50 | 124,190,144 |
| 2013-03-25 | Open-market buy | 4,900 | $7.49 | 124,188,044 |
| 2013-03-25 | Open-market buy | 5,100 | $7.48 | 124,183,144 |
| 2013-03-25 | Open-market buy | 4,700 | $7.60 | 124,202,944 |
| 2013-03-22 | Open-market buy | 7,500 | $7.63 | 124,176,344 |
| 2013-03-22 | Open-market buy | 4,000 | $7.58 | 124,168,844 |
| 2013-03-22 | Open-market buy | 3,000 | $7.56 | 124,164,844 |
| 2013-03-21 | Open-market buy | 900 | $7.52 | 124,161,844 |
| 2013-03-21 | Open-market buy | 24,300 | $7.34 | 124,138,144 |
| 2013-03-21 | Open-market buy | 3,900 | $7.32 | 124,108,244 |
| 2013-03-21 | Open-market buy | 5,600 | $7.33 | 124,113,844 |
| 2013-03-21 | Open-market buy | 2,598 | $7.30 | 124,095,942 |
| 2013-03-21 | Open-market buy | 3,302 | $7.30 | 124,099,244 |
| 2013-03-21 | Open-market buy | 5,100 | $7.31 | 124,104,344 |
| 2013-03-21 | Open-market buy | 100 | $7.52 | 124,160,944 |
| 2013-03-21 | Open-market buy | 6,900 | $7.50 | 124,160,844 |
| 2013-03-21 | Open-market buy | 2,300 | $7.49 | 124,153,944 |
| 2013-03-21 | Open-market buy | 5,500 | $7.48 | 124,151,644 |
| 2013-03-21 | Open-market buy | 8,000 | $7.35 | 124,146,144 |
| 2013-03-19 | Open-market buy | 7,300 | $7.60 | 124,093,344 |
| 2013-03-19 | Open-market buy | 1,800 | $7.58 | 124,084,144 |
| 2013-03-19 | Open-market buy | 1,900 | $7.59 | 124,086,044 |
| 2013-03-19 | Open-market buy | 1,800 | $7.57 | 124,082,344 |
| 2013-03-19 | Open-market buy | 900 | $7.56 | 124,080,544 |
| 2013-03-19 | Open-market buy | 700 | $7.55 | 124,079,644 |
| 2013-03-19 | Open-market buy | 1,737 | $7.54 | 124,078,944 |
| 2013-03-19 | Open-market buy | 663 | $7.53 | 124,077,207 |
| 2013-03-19 | Open-market buy | 19,300 | $7.52 | 124,076,544 |
| 2013-03-19 | Open-market buy | 500 | $7.51 | 124,057,244 |
| 2013-03-19 | Open-market buy | 300 | $7.50 | 124,056,744 |
| 2013-03-19 | Open-market buy | 400 | $7.49 | 124,056,444 |
| 2013-03-19 | Open-market buy | 700 | $7.45 | 124,056,044 |
| 2013-03-19 | Open-market buy | 10,300 | $7.44 | 124,055,344 |
| 2013-03-18 | Open-market buy | 5,300 | $7.60 | 124,017,544 |
| 2013-03-18 | Open-market buy | 10,000 | $7.59 | 124,012,244 |
| 2013-03-18 | Open-market buy | 4,700 | $7.62 | 124,022,244 |
| 2013-03-18 | Open-market buy | 5,300 | $7.62 | 124,027,544 |
| 2013-03-18 | Open-market buy | 1,500 | $7.63 | 124,029,044 |
| 2013-03-18 | Open-market buy | 10,064 | $7.65 | 124,039,108 |
| 2013-03-18 | Open-market buy | 936 | $7.66 | 124,040,044 |
| 2013-03-18 | Open-market buy | 5,000 | $7.70 | 124,045,044 |
| 2013-03-18 | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2013-03-14 | Open-market buy | 2,900 | $7.52 | 123,978,044 |
| 2013-03-14 | Open-market buy | 4,200 | $7.56 | 123,998,444 |
| 2013-03-14 | Open-market buy | 16,200 | $7.54 | 123,994,244 |
| 2013-03-14 | Open-market buy | 3,800 | $7.57 | 124,002,244 |
| 2013-03-14 | Open-market buy | 600 | $7.51 | 123,975,144 |
| 2013-03-14 | Open-market buy | 5,000 | $7.50 | 123,974,544 |
| 2013-03-13 | Open-market buy | 1,700 | $7.43 | 123,934,144 |
| 2013-03-13 | Open-market buy | 1,600 | $7.44 | 123,935,744 |
| 2013-03-13 | Open-market buy | 200 | $7.45 | 123,935,944 |
| 2013-03-13 | Open-market buy | 7,000 | $7.47 | 123,942,944 |
| 2013-03-13 | Open-market buy | 6,500 | $4.48 | 123,949,444 |
| 2013-03-13 | Open-market buy | 2,300 | $7.49 | 123,951,744 |
| 2013-03-13 | Open-market buy | 6,500 | $7.50 | 123,958,244 |
| 2013-03-13 | Open-market buy | 7,600 | $7.51 | 123,965,844 |
| 2013-03-13 | Open-market buy | 3,700 | $7.52 | 123,969,544 |
| 2013-03-12 | Open-market buy | 3,400 | $7.48 | 123,917,344 |
| 2013-03-12 | Open-market buy | 5,100 | $7.48 | 123,922,444 |
| 2013-03-12 | Open-market buy | 10,000 | $7.49 | 123,932,444 |
| 2013-03-12 | Open-market buy | 3,400 | $7.45 | 123,912,344 |
| 2013-03-12 | Open-market buy | 1,600 | $7.46 | 123,913,944 |
| 2013-03-11 | Open-market buy | 1,850 | $7.45 | 123,893,144 |
| 2013-03-11 | Open-market buy | 6,000 | $7.48 | 123,908,944 |
| 2013-03-11 | Open-market buy | 6,300 | $7.47 | 123,902,944 |
| 2013-03-11 | Open-market buy | 3,500 | $7.46 | 123,896,644 |
| 2013-03-11 | Open-market buy | 7,350 | $7.44 | 123,891,294 |
| 2013-03-11 | Open-market buy | 13,000 | $7.43 | 123,883,944 |
| 2013-03-08 | Open-market buy | 2,100 | $7.42 | 121,350,754 |
| 2013-03-08 | Open-market buy | 1,300 | $7.35 | 121,338,054 |
| 2013-03-08 | Open-market buy | 3,000 | $7.40 | 121,345,954 |
| 2013-03-08 | Open-market buy | 200 | $7.40 | 121,342,954 |
| 2013-03-08 | Open-market buy | 1,358 | $7.37 | 121,342,754 |
| 2013-03-08 | Open-market buy | 3,342 | $7.36 | 121,341,396 |
| 2013-03-08 | Open-market buy | 200 | $7.29 | 121,307,954 |
| 2013-03-08 | Open-market buy | 8,900 | $7.29 | 121,316,854 |
| 2013-03-08 | Open-market buy | 10,700 | $7.30 | 121,327,554 |
| 2013-03-08 | Open-market buy | 8,100 | $7.32 | 121,335,654 |
| 2013-03-08 | Open-market buy | 1,100 | $7.33 | 121,336,754 |
| 2013-03-08 | Open-market buy | 2,700 | $7.41 | 121,348,654 |
| 2013-03-08 | Option exercise (derivative) | 252,019 | $24.80 | 0 |
| 2013-03-08 | Option exercise | 2,520,190 | $0.00 | 123,870,944 |
| 2013-03-07 | Open-market buy | 4,400 | $7.43 | 121,307,754 |
| 2013-03-07 | Open-market buy | 2,900 | $7.34 | 121,267,254 |
| 2013-03-07 | Open-market buy | 1,200 | $7.32 | 121,264,354 |
| 2013-03-07 | Open-market buy | 3,100 | $7.31 | 121,263,154 |
| 2013-03-07 | Open-market buy | 700 | $7.30 | 121,260,054 |
| 2013-03-07 | Open-market buy | 1,500 | $7.29 | 121,259,354 |
| 2013-03-07 | Open-market buy | 1,600 | $7.29 | 121,257,854 |
| 2013-03-07 | Open-market buy | 8,300 | $7.34 | 121,275,554 |
| 2013-03-07 | Open-market buy | 600 | $7.42 | 121,303,354 |
| 2013-03-07 | Open-market buy | 2,900 | $7.35 | 121,278,454 |
| 2013-03-07 | Open-market buy | 19,063 | $7.36 | 121,297,517 |
| 2013-03-07 | Open-market buy | 237 | $7.37 | 121,297,754 |
| 2013-03-07 | Open-market buy | 4,400 | $7.39 | 121,302,154 |
| 2013-03-07 | Open-market buy | 600 | $7.40 | 121,302,754 |
| 2013-03-06 | Open-market buy | 3,500 | $7.27 | 121,216,454 |
| 2013-03-06 | Open-market buy | 2,100 | $7.28 | 121,218,554 |
| 2013-03-06 | Open-market buy | 6,599 | $7.29 | 121,225,153 |
| 2013-03-06 | Open-market buy | 11,601 | $7.30 | 121,236,754 |
| 2013-03-06 | Open-market buy | 2,300 | $7.31 | 121,239,054 |
| 2013-03-06 | Open-market buy | 14,500 | $7.32 | 121,253,554 |
| 2013-03-06 | Open-market buy | 2,700 | $7.33 | 121,256,254 |
| 2013-03-06 | Open-market buy | 700 | $7.26 | 121,212,954 |
| 2013-03-05 | Open-market buy | 6,800 | $7.29 | 121,183,554 |
| 2013-03-05 | Open-market buy | 2,400 | $7.17 | 121,162,654 |
| 2013-03-05 | Open-market buy | 5,000 | $7.27 | 121,176,254 |
| 2013-03-05 | Open-market buy | 4,700 | $7.18 | 121,171,254 |
| 2013-03-05 | Open-market buy | 3,900 | $7.17 | 121,166,554 |
| 2013-03-05 | Open-market buy | 5,071 | $7.38 | 121,212,254 |
| 2013-03-05 | Open-market buy | 829 | $7.37 | 121,207,183 |
| 2013-03-05 | Open-market buy | 100 | $7.36 | 121,206,354 |
| 2013-03-05 | Open-market buy | 500 | $7.29 | 121,176,754 |
| 2013-03-05 | Open-market buy | 22,700 | $7.30 | 121,206,254 |
| 2013-03-04 | Open-market buy | 1,400 | $7.01 | 121,134,754 |
| 2013-03-04 | Open-market buy | 14,673 | $7.16 | 121,158,527 |
| 2013-03-04 | Open-market buy | 3,866 | $7.15 | 121,143,854 |
| 2013-03-04 | Open-market buy | 2,234 | $7.14 | 121,139,988 |
| 2013-03-04 | Open-market buy | 3,000 | $7.04 | 121,137,754 |
| 2013-03-04 | Open-market buy | 1,727 | $7.17 | 121,160,254 |
| 2013-03-04 | Open-market buy | 1,600 | $7.01 | 121,133,354 |
| 2013-03-04 | Open-market buy | 3,180 | $6.99 | 121,131,754 |
| 2013-03-04 | Open-market buy | 2,020 | $6.98 | 121,128,574 |
| 2013-03-04 | Open-market buy | 1,800 | $6.97 | 121,126,554 |
| 2013-03-01 | Open-market buy | 2,400 | $6.98 | 121,107,154 |
| 2013-03-01 | Open-market buy | 6,099 | $6.99 | 121,113,253 |
| 2013-03-01 | Open-market buy | 1,501 | $7.00 | 121,114,754 |
| 2013-03-01 | Open-market buy | 9,400 | $7.02 | 121,124,154 |
| 2013-03-01 | Open-market buy | 600 | $7.03 | 121,124,754 |
| 2013-02-28 | Open-market buy | 3,300 | $7.05 | 121,102,554 |
| 2013-02-28 | Open-market buy | 500 | $7.04 | 121,099,254 |
| 2013-02-28 | Open-market buy | 1,000 | $7.03 | 121,098,754 |
| 2013-02-28 | Open-market buy | 5,530 | $7.02 | 121,097,754 |
| 2013-02-28 | Open-market buy | 7,370 | $7.01 | 121,092,224 |
| 2013-02-28 | Open-market buy | 2,200 | $7.06 | 121,104,754 |
| 2013-02-28 | Open-market buy | 6,823 | $6.99 | 121,064,655 |
| 2013-02-28 | Open-market buy | 3,578 | $6.98 | 121,057,832 |
| 2013-02-28 | Open-market buy | 1,791 | $6.97 | 121,054,254 |
| 2013-02-28 | Open-market buy | 9,709 | $6.96 | 121,052,463 |
| 2013-02-28 | Open-market buy | 10,500 | $6.94 | 121,042,754 |
| 2013-02-28 | Open-market buy | 20,199 | $7.00 | 121,084,854 |
| 2013-02-27 | Open-market buy | 5,000 | $7.12 | 121,026,754 |
| 2013-02-27 | Open-market buy | 500 | $7.12 | 121,021,754 |
| 2013-02-27 | Open-market buy | 8,353 | $7.10 | 121,021,254 |
| 2013-02-27 | Open-market buy | 800 | $7.09 | 121,012,901 |
| 2013-02-27 | Open-market buy | 47 | $7.08 | 121,012,101 |
| 2013-02-27 | Open-market buy | 6,300 | $7.07 | 121,012,054 |
| 2013-02-27 | Open-market buy | 200 | $7.06 | 121,005,754 |
| 2013-02-27 | Open-market buy | 4,700 | $7.13 | 121,031,454 |
| 2013-02-27 | Open-market buy | 800 | $7.14 | 121,032,254 |
| 2013-02-27 | Open-market buy | 8,600 | $7.02 | 120,985,854 |
| 2013-02-27 | Open-market buy | 5,400 | $7.04 | 121,005,154 |
| 2013-02-27 | Open-market buy | 13,900 | $7.03 | 120,999,754 |
| 2013-02-27 | Open-market buy | 400 | $7.05 | 121,005,554 |
| 2013-02-26 | Open-market buy | 383 | $6.92 | 120,915,554 |
| 2013-02-26 | Open-market buy | 1,664 | $7.04 | 120,975,618 |
| 2013-02-26 | Open-market buy | 3,900 | $7.03 | 120,973,954 |
| 2013-02-26 | Open-market buy | 6,400 | $7.02 | 120,970,054 |
| 2013-02-26 | Open-market buy | 200 | $7.01 | 120,963,654 |
| 2013-02-26 | Open-market buy | 22,500 | $7.00 | 120,963,454 |
| 2013-02-26 | Open-market buy | 8,100 | $6.99 | 120,940,954 |
| 2013-02-26 | Open-market buy | 3,700 | $6.98 | 120,932,854 |
| 2013-02-26 | Open-market buy | 3,400 | $6.98 | 120,929,154 |
| 2013-02-26 | Open-market buy | 2,500 | $6.97 | 120,925,754 |
| 2013-02-26 | Open-market buy | 1,300 | $6.95 | 120,923,254 |
| 2013-02-26 | Open-market buy | 2,700 | $6.94 | 120,921,954 |
| 2013-02-26 | Open-market buy | 3,700 | $6.93 | 120,919,254 |
| 2013-02-26 | Open-market buy | 1,636 | $7.05 | 120,977,254 |
| 2013-02-26 | Open-market buy | 2,917 | $6.91 | 120,915,171 |
| 2013-02-25 | Open-market buy | 4,112 | $7.02 | 120,881,366 |
| 2013-02-25 | Open-market buy | 5,888 | $7.03 | 120,887,254 |
| 2013-02-25 | Open-market buy | 4,600 | $7.09 | 120,891,854 |
| 2013-02-25 | Open-market buy | 3,024 | $7.10 | 120,894,878 |
| 2013-02-25 | Open-market buy | 7,376 | $7.11 | 120,902,254 |
| 2013-02-25 | Open-market buy | 2,200 | $7.13 | 120,904,454 |
| 2013-02-25 | Open-market buy | 3,900 | $7.14 | 120,908,354 |
| 2013-02-25 | Open-market buy | 1,400 | $7.15 | 120,909,754 |
| 2013-02-25 | Open-market buy | 600 | $7.16 | 120,910,354 |
| 2013-02-25 | Open-market buy | 1,300 | $7.18 | 120,912,254 |
| 2013-02-25 | Open-market buy | 600 | $7.17 | 120,910,954 |
| 2013-02-22 | Open-market buy | 4,900 | $6.92 | 120,837,254 |
| 2013-02-22 | Open-market buy | 100 | $6.92 | 120,832,354 |
| 2013-02-22 | Open-market buy | 1,400 | $7.01 | 120,838,654 |
| 2013-02-22 | Open-market buy | 3,600 | $7.01 | 120,842,254 |
| 2013-02-22 | Open-market buy | 100 | $7.03 | 120,842,354 |
| 2013-02-22 | Open-market buy | 8,300 | $7.03 | 120,850,654 |
| 2013-02-22 | Open-market buy | 2,300 | $7.04 | 120,852,954 |
| 2013-02-22 | Open-market buy | 6,600 | $7.05 | 120,859,554 |
| 2013-02-22 | Open-market buy | 4,900 | $7.08 | 120,877,254 |
| 2013-02-22 | Open-market buy | 5,200 | $7.07 | 120,872,354 |
| 2013-02-22 | Open-market buy | 7,600 | $7.06 | 120,867,154 |
| 2013-02-21 | Open-market buy | 2,700 | $6.67 | 120,827,254 |
| 2013-02-21 | Open-market buy | 4,900 | $6.69 | 120,832,254 |
| 2013-02-21 | Open-market buy | 100 | $6.69 | 120,827,354 |
| 2013-02-21 | Open-market buy | 2,300 | $6.65 | 120,824,554 |
| 2013-02-20 | Open-market buy | 2,400 | $6.72 | 120,808,554 |
| 2013-02-20 | Open-market buy | 4,600 | $6.59 | 120,744,254 |
| 2013-02-20 | Open-market buy | 1,600 | $6.58 | 120,739,654 |
| 2013-02-20 | Open-market buy | 200 | $6.58 | 120,738,054 |
| 2013-02-20 | Open-market buy | 6,579 | $6.67 | 120,801,754 |
| 2013-02-20 | Open-market buy | 12,721 | $6.66 | 120,795,175 |
| 2013-02-20 | Open-market buy | 700 | $6.65 | 120,782,454 |
| 2013-02-20 | Open-market buy | 19,600 | $6.63 | 120,781,754 |
| 2013-02-20 | Open-market buy | 15,845 | $6.62 | 120,762,154 |
| 2013-02-20 | Open-market buy | 2,055 | $6.61 | 120,746,309 |
| 2013-02-20 | Open-market buy | 6,100 | $6.75 | 120,822,254 |
| 2013-02-20 | Open-market buy | 2,900 | $6.74 | 120,816,154 |
| 2013-02-20 | Open-market buy | 4,700 | $6.73 | 120,813,254 |
| 2013-02-20 | Open-market buy | 3,600 | $6.56 | 120,737,854 |
| 2013-02-20 | Open-market buy | 4,400 | $6.71 | 120,806,154 |
| 2013-02-19 | Open-market buy | 3,800 | $6.76 | 120,728,054 |
| 2013-02-19 | Open-market buy | 4,950 | $6.72 | 120,717,304 |
| 2013-02-19 | Open-market buy | 6,950 | $6.73 | 120,724,254 |
| 2013-02-19 | Open-market buy | 4,100 | $6.77 | 120,732,154 |
| 2013-02-19 | Open-market buy | 2,100 | $6.78 | 120,734,254 |
| 2013-02-19 | Open-market buy | 3,100 | $6.72 | 120,712,354 |
| 2013-02-15 | Open-market buy | 4,000 | $6.71 | 120,655,754 |
| 2013-02-15 | Open-market buy | 6,000 | $6.72 | 120,661,754 |
| 2013-02-15 | Open-market buy | 13,471 | $6.73 | 120,675,225 |
| 2013-02-15 | Open-market buy | 23,329 | $6.74 | 120,698,554 |
| 2013-02-15 | Open-market buy | 9,900 | $6.76 | 120,709,254 |
| 2013-02-15 | Open-market buy | 800 | $6.75 | 120,699,354 |
| 2013-02-14 | Open-market buy | 2,000 | $6.86 | 120,651,754 |
| 2013-02-14 | Open-market buy | 10,263 | $6.84 | 120,636,726 |
| 2013-02-14 | Open-market buy | 4,509 | $6.83 | 120,626,463 |
| 2013-02-14 | Open-market buy | 200 | $6.83 | 120,621,954 |
| 2013-02-14 | Open-market buy | 10,000 | $6.81 | 120,621,754 |
| 2013-02-14 | Open-market buy | 13,028 | $6.85 | 120,649,754 |
| 2013-02-13 | Open-market buy | 2,925 | $6.63 | 120,601,754 |
| 2013-02-13 | Open-market buy | 200 | $6.70 | 120,601,954 |
| 2013-02-13 | Open-market buy | 7,075 | $6.62 | 120,598,829 |
| 2013-02-13 | Open-market buy | 9,800 | $6.71 | 120,611,754 |
| 2013-02-12 | Open-market buy | 1,900 | $6.68 | 120,571,754 |
| 2013-02-12 | Open-market buy | 7,100 | $6.67 | 120,569,854 |
| 2013-02-12 | Open-market buy | 16,000 | $6.66 | 120,562,754 |
| 2013-02-12 | Open-market buy | 4,199 | $6.72 | 120,581,053 |
| 2013-02-12 | Open-market buy | 5,701 | $6.73 | 120,586,754 |
| 2013-02-12 | Open-market buy | 2,400 | $6.69 | 120,574,154 |
| 2013-02-12 | Open-market buy | 100 | $6.72 | 120,576,854 |
| 2013-02-12 | Open-market buy | 3,700 | $6.78 | 120,591,754 |
| 2013-02-12 | Open-market buy | 1,200 | $6.77 | 120,588,054 |
| 2013-02-12 | Open-market buy | 100 | $6.77 | 120,586,854 |
| 2013-02-12 | Open-market buy | 2,600 | $6.70 | 120,576,754 |
| 2013-02-08 | Open-market buy | 9,800 | $6.56 | 120,546,754 |
| 2013-02-08 | Open-market buy | 8,557 | $6.55 | 120,536,954 |
| 2013-02-08 | Open-market buy | 1,643 | $6.54 | 120,528,397 |
| 2013-02-08 | Open-market buy | 7,500 | $6.43 | 120,526,754 |
| 2013-02-08 | Open-market buy | 2,500 | $6.42 | 120,519,254 |
| 2013-02-08 | Open-market buy | 11,650 | $6.40 | 120,516,754 |
| 2013-02-08 | Open-market buy | 3,900 | $6.39 | 120,505,104 |
| 2013-02-08 | Open-market buy | 2,850 | $6.38 | 120,501,204 |
| 2013-02-08 | Open-market buy | 1,600 | $6.37 | 120,498,354 |
| 2013-02-08 | Open-market buy | 4,100 | $6.36 | 120,496,754 |
| 2013-02-08 | Open-market buy | 1,900 | $6.35 | 120,492,654 |
| 2013-02-08 | Open-market buy | 4,000 | $6.34 | 120,490,754 |
| 2013-02-08 | Open-market buy | 7,200 | $6.30 | 120,486,754 |
| 2013-02-08 | Open-market buy | 900 | $6.29 | 120,479,554 |
| 2013-02-08 | Open-market buy | 1,900 | $6.29 | 120,478,654 |
| 2013-02-08 | Open-market buy | 3,200 | $6.24 | 120,476,754 |
| 2013-02-08 | Open-market buy | 8,788 | $6.23 | 120,473,554 |
| 2013-02-08 | Open-market buy | 5,228 | $6.22 | 120,464,766 |
| 2013-02-08 | Open-market buy | 2,756 | $6.21 | 120,459,538 |
| 2013-02-08 | Open-market buy | 28 | $6.20 | 120,456,782 |
| 2013-02-08 | Open-market buy | 3,266 | $6.14 | 120,456,754 |
| 2013-02-08 | Open-market buy | 13,388 | $6.13 | 120,453,488 |
| 2013-02-08 | Open-market buy | 3,346 | $6.12 | 120,440,100 |
| 2013-02-07 | Open-market buy | 10,000 | $6.81 | 120,416,754 |
| 2013-02-07 | Open-market buy | 7,500 | $6.78 | 120,406,754 |
| 2013-02-07 | Open-market buy | 100 | $6.83 | 120,416,854 |
| 2013-02-07 | Open-market buy | 2,900 | $6.83 | 120,419,754 |
| 2013-02-07 | Open-market buy | 2,000 | $6.84 | 120,421,754 |
| 2013-02-07 | Open-market buy | 1,100 | $6.89 | 120,422,854 |
| 2013-02-07 | Open-market buy | 1,400 | $6.95 | 120,436,754 |
| 2013-02-07 | Open-market buy | 500 | $6.94 | 120,435,354 |
| 2013-02-07 | Open-market buy | 2,700 | $6.93 | 120,434,854 |
| 2013-02-07 | Open-market buy | 1,300 | $6.92 | 120,432,154 |
| 2013-02-07 | Open-market buy | 6,600 | $6.91 | 120,430,854 |
| 2013-02-07 | Open-market buy | 1,400 | $6.90 | 120,424,254 |
| 2013-02-06 | Open-market buy | 2,100 | $6.93 | 120,399,254 |
| 2013-02-06 | Open-market buy | 3,272 | $6.92 | 120,397,154 |
| 2013-02-06 | Open-market buy | 1,100 | $6.87 | 120,370,354 |
| 2013-02-06 | Open-market buy | 2,200 | $6.88 | 120,372,554 |
| 2013-02-06 | Open-market buy | 1,100 | $6.91 | 120,393,882 |
| 2013-02-06 | Open-market buy | 9,128 | $6.90 | 120,392,782 |
| 2013-02-06 | Open-market buy | 11,100 | $6.89 | 120,383,654 |
| 2013-01-31 | Open-market buy | 20,000 | $6.42 | 120,349,254 |
| 2013-01-31 | Open-market buy | 20,000 | $6.50 | 120,369,254 |
| 2013-01-30 | Grant / award (derivative) | 7,250 | $1000.00 | 7,250 |
| 2013-01-15 | Open-market buy | 5,400 | $5.69 | 120,306,154 |
| 2013-01-15 | Open-market buy | 4,900 | $5.73 | 120,324,254 |
| 2013-01-15 | Open-market buy | 100 | $5.73 | 120,319,354 |
| 2013-01-15 | Open-market buy | 5,000 | $5.71 | 120,319,254 |
| 2013-01-15 | Open-market buy | 8,100 | $5.70 | 120,314,254 |
| 2013-01-15 | Open-market buy | 5,000 | $5.74 | 120,329,254 |
| 2013-01-15 | Open-market buy | 1,500 | $5.68 | 120,300,754 |
| 2013-01-15 | Open-market buy | 2,300 | $5.67 | 120,299,254 |
| 2013-01-15 | Open-market buy | 2,600 | $5.66 | 120,296,954 |
| 2013-01-15 | Open-market buy | 100 | $5.66 | 120,294,354 |
| 2013-01-14 | Open-market buy | 1,700 | $5.59 | 120,284,254 |
| 2013-01-14 | Open-market buy | 2,600 | $5.54 | 120,276,854 |
| 2013-01-14 | Open-market buy | 5,270 | $5.71 | 120,294,254 |
| 2013-01-14 | Open-market buy | 4,730 | $5.70 | 120,288,984 |
| 2013-01-14 | Open-market buy | 3,100 | $5.57 | 120,282,554 |
| 2013-01-14 | Open-market buy | 200 | $5.57 | 120,279,454 |
| 2013-01-14 | Open-market buy | 2,400 | $5.55 | 120,279,254 |
| 2013-01-11 | Open-market buy | 2,100 | $5.37 | 120,269,254 |
| 2013-01-11 | Open-market buy | 200 | $5.33 | 120,252,354 |
| 2013-01-11 | Open-market buy | 1,900 | $5.33 | 120,254,254 |
| 2013-01-11 | Open-market buy | 2,900 | $5.31 | 120,247,154 |
| 2013-01-11 | Open-market buy | 4,800 | $5.39 | 120,274,254 |
| 2013-01-11 | Open-market buy | 200 | $5.39 | 120,269,454 |
| 2013-01-11 | Open-market buy | 5,000 | $5.32 | 120,252,154 |
| 2013-01-11 | Open-market buy | 2,800 | $5.37 | 120,267,154 |
| 2013-01-11 | Open-market buy | 100 | $5.37 | 120,264,354 |
| 2013-01-11 | Open-market buy | 9,900 | $5.36 | 120,264,254 |
| 2013-01-11 | Open-market buy | 100 | $5.36 | 120,254,354 |
| 2013-01-10 | Open-market buy | 12,300 | $5.32 | 120,244,254 |
| 2013-01-10 | Open-market buy | 9,300 | $5.25 | 120,207,554 |
| 2013-01-10 | Open-market buy | 10,100 | $5.26 | 120,217,654 |
| 2013-01-10 | Open-market buy | 2,400 | $5.27 | 120,220,054 |
| 2013-01-10 | Open-market buy | 6,700 | $5.28 | 120,226,754 |
| 2013-01-10 | Open-market buy | 3,200 | $5.30 | 120,229,954 |
| 2013-01-10 | Open-market buy | 2,000 | $5.31 | 120,231,954 |
| 2013-01-09 | Open-market buy | 500 | $5.26 | 120,198,254 |
| 2013-01-09 | Open-market buy | 1,091 | $5.25 | 120,197,754 |
| 2013-01-09 | Open-market buy | 12,309 | $5.24 | 120,196,663 |
| 2013-01-09 | Open-market buy | 7,900 | $5.23 | 120,184,354 |
| 2013-01-09 | Open-market buy | 3,900 | $5.22 | 120,176,454 |
| 2013-01-09 | Open-market buy | 300 | $5.22 | 120,172,554 |
| 2013-01-09 | Open-market buy | 1,000 | $5.20 | 120,172,254 |
| 2013-01-09 | Open-market buy | 10,300 | $5.18 | 120,171,254 |
| 2013-01-09 | Open-market buy | 6,000 | $5.17 | 120,160,954 |
| 2013-01-09 | Open-market buy | 4,900 | $5.16 | 120,154,954 |
| 2013-01-09 | Open-market buy | 800 | $5.16 | 120,150,054 |
| 2013-01-09 | Open-market buy | 1,000 | $5.13 | 120,149,254 |
| 2013-01-04 | Open-market buy | 4,700 | $5.19 | 120,146,254 |
| 2013-01-04 | Open-market buy | 100 | $5.11 | 120,108,354 |
| 2013-01-04 | Open-market buy | 5,000 | $5.12 | 120,113,354 |
| 2013-01-04 | Open-market buy | 100 | $5.15 | 120,113,454 |
| 2013-01-04 | Open-market buy | 10,200 | $5.15 | 120,123,654 |
| 2013-01-04 | Open-market buy | 16,400 | $5.16 | 120,140,054 |
| 2013-01-04 | Open-market buy | 200 | $5.17 | 120,140,254 |
| 2013-01-04 | Open-market buy | 1,300 | $5.18 | 120,141,554 |
| 2013-01-04 | Open-market buy | 1,000 | $5.20 | 120,147,254 |
| 2013-01-04 | Open-market buy | 1,000 | $5.22 | 120,148,254 |
| 2013-01-03 | Open-market buy | 2,590 | $5.05 | 120,108,254 |
| 2013-01-03 | Open-market buy | 4,676 | $5.04 | 120,105,664 |
| 2013-01-03 | Open-market buy | 11,834 | $5.03 | 120,100,988 |
| 2013-01-03 | Open-market buy | 3,332 | $5.02 | 120,089,154 |
| 2013-01-03 | Open-market buy | 2,568 | $5.01 | 120,085,822 |
| 2013-01-02 | Open-market buy | 17,147 | $4.99 | 120,075,401 |
| 2013-01-02 | Open-market buy | 200 | $4.96 | 120,053,454 |
| 2013-01-02 | Open-market buy | 3,500 | $4.96 | 120,056,954 |
| 2013-01-02 | Open-market buy | 1,300 | $4.97 | 120,058,254 |
| 2013-01-02 | Open-market buy | 7,853 | $5.00 | 120,083,254 |
| 2012-12-31 | Open-market buy | 9,200 | $4.68 | 119,963,854 |
| 2012-12-31 | Open-market buy | 1,400 | $4.68 | 119,954,654 |
| 2012-12-31 | Open-market buy | 2,400 | $4.69 | 119,966,254 |
| 2012-12-31 | Open-market buy | 1,100 | $4.70 | 119,967,354 |
| 2012-12-31 | Open-market buy | 4,900 | $4.71 | 119,972,254 |
| 2012-12-31 | Open-market buy | 3,900 | $4.72 | 119,976,154 |
| 2012-12-31 | Open-market buy | 2,100 | $4.73 | 119,978,254 |
| 2012-12-31 | Open-market buy | 75,000 | $4.81 | 120,053,254 |
| 2012-12-28 | Open-market buy | 200 | $4.74 | 119,912,554 |
| 2012-12-28 | Open-market buy | 14,000 | $4.74 | 119,926,554 |
| 2012-12-28 | Open-market buy | 200 | $4.75 | 119,926,754 |
| 2012-12-28 | Open-market buy | 6,200 | $4.75 | 119,932,954 |
| 2012-12-28 | Open-market buy | 9,900 | $4.76 | 119,942,854 |
| 2012-12-28 | Open-market buy | 14,100 | $4.73 | 119,912,354 |
| 2012-12-28 | Open-market buy | 9,200 | $4.77 | 119,952,754 |
| 2012-12-28 | Open-market buy | 500 | $4.78 | 119,953,254 |
| 2012-12-28 | Open-market buy | 700 | $4.77 | 119,943,554 |
| 2012-12-27 | Open-market buy | 1,300 | $4.73 | 119,889,254 |
| 2012-12-27 | Open-market buy | 4,000 | $4.72 | 119,887,954 |
| 2012-12-27 | Open-market buy | 6,200 | $4.71 | 119,883,954 |
| 2012-12-27 | Open-market buy | 300 | $4.70 | 119,877,754 |
| 2012-12-27 | Open-market buy | 200 | $4.69 | 119,877,454 |
| 2012-12-27 | Open-market buy | 9,000 | $4.74 | 119,898,254 |
| 2012-12-27 | Open-market buy | 200 | $4.66 | 119,873,454 |
| 2012-12-27 | Open-market buy | 3,800 | $4.66 | 119,877,254 |
| 2012-12-26 | Open-market buy | 6,476 | $4.66 | 119,818,884 |
| 2012-12-26 | Open-market buy | 5,000 | $4.63 | 119,793,254 |
| 2012-12-26 | Open-market buy | 13,003 | $4.64 | 119,806,257 |
| 2012-12-26 | Open-market buy | 6,151 | $4.65 | 119,812,408 |
| 2012-12-26 | Open-market buy | 1,600 | $4.74 | 119,873,254 |
| 2012-12-26 | Open-market buy | 3,900 | $4.73 | 119,871,654 |
| 2012-12-26 | Open-market buy | 3,900 | $4.71 | 119,867,754 |
| 2012-12-26 | Open-market buy | 20,476 | $4.70 | 119,863,854 |
| 2012-12-26 | Open-market buy | 3,100 | $4.69 | 119,843,378 |
| 2012-12-26 | Open-market buy | 10,118 | $4.68 | 119,840,278 |
| 2012-12-26 | Open-market buy | 11,276 | $4.67 | 119,830,160 |
| 2012-12-24 | Open-market buy | 7 | $4.62 | 119,761,261 |
| 2012-12-24 | Open-market buy | 4,574 | $4.65 | 119,787,754 |
| 2012-12-24 | Open-market buy | 12,527 | $4.64 | 119,783,180 |
| 2012-12-24 | Open-market buy | 200 | $4.64 | 119,770,653 |
| 2012-12-24 | Open-market buy | 2,899 | $4.63 | 119,770,453 |
| 2012-12-24 | Open-market buy | 400 | $4.63 | 119,767,554 |
| 2012-12-24 | Open-market buy | 5,893 | $4.62 | 119,767,154 |
| 2012-12-24 | Open-market buy | 500 | $4.66 | 119,788,254 |
| 2012-12-24 | Open-market buy | 3,000 | $4.61 | 119,761,254 |
| 2012-12-21 | Open-market buy | 2,100 | $4.72 | 119,755,354 |
| 2012-12-21 | Open-market buy | 200 | $4.71 | 119,753,254 |
| 2012-12-21 | Open-market buy | 5,700 | $4.70 | 119,753,054 |
| 2012-12-21 | Open-market buy | 100 | $4.70 | 119,747,354 |
| 2012-12-21 | Open-market buy | 1,000 | $4.68 | 119,747,254 |
| 2012-12-21 | Open-market buy | 15,000 | $4.67 | 119,746,254 |
| 2012-12-21 | Open-market buy | 1,580 | $4.66 | 119,731,254 |
| 2012-12-21 | Open-market buy | 10,563 | $4.65 | 119,729,674 |
| 2012-12-21 | Open-market buy | 22,157 | $4.64 | 119,719,111 |
| 2012-12-21 | Open-market buy | 2,579 | $4.63 | 119,696,954 |
| 2012-12-21 | Open-market buy | 9,621 | $4.62 | 119,694,375 |
| 2012-12-21 | Open-market buy | 1,500 | $4.61 | 119,684,754 |
| 2012-12-21 | Open-market buy | 2,326 | $4.60 | 119,683,254 |
| 2012-12-21 | Open-market buy | 2,900 | $4.73 | 119,758,254 |
| 2012-12-21 | Open-market buy | 2,674 | $4.59 | 119,680,928 |
| 2012-12-20 | Open-market buy | 5,300 | $4.73 | 119,665,354 |
| 2012-12-20 | Open-market buy | 12,634 | $4.72 | 119,660,054 |
| 2012-12-20 | Open-market buy | 20,066 | $4.71 | 119,647,420 |
| 2012-12-20 | Open-market buy | 11,600 | $4.70 | 119,627,354 |
| 2012-12-20 | Open-market buy | 8,800 | $4.74 | 119,674,154 |
| 2012-12-20 | Open-market buy | 1,500 | $4.76 | 119,678,254 |
| 2012-12-20 | Open-market buy | 2,600 | $4.75 | 119,676,754 |
| 2012-12-19 | Open-market buy | 7,000 | $4.79 | 119,612,754 |
| 2012-12-19 | Open-market buy | 5,000 | $4.75 | 119,605,754 |
| 2012-12-19 | Open-market buy | 100 | $4.81 | 119,615,754 |
| 2012-12-19 | Open-market buy | 2,906 | $4.72 | 119,598,660 |
| 2012-12-19 | Open-market buy | 2,900 | $4.80 | 119,615,654 |
| 2012-12-19 | Open-market buy | 2,094 | $4.73 | 119,600,754 |
| 2012-12-18 | Open-market buy | 4,690 | $4.65 | 119,569,754 |
| 2012-12-18 | Open-market buy | 1,500 | $4.64 | 119,562,254 |
| 2012-12-18 | Open-market buy | 2,810 | $4.64 | 119,565,064 |
| 2012-12-18 | Open-market buy | 2,700 | $4.66 | 119,572,454 |
| 2012-12-18 | Open-market buy | 2,300 | $4.67 | 119,574,754 |
| 2012-12-18 | Open-market buy | 600 | $4.69 | 119,575,354 |
| 2012-12-18 | Open-market buy | 700 | $4.71 | 119,595,754 |
| 2012-12-18 | Open-market buy | 16,100 | $4.70 | 119,595,054 |
| 2012-12-18 | Open-market buy | 3,600 | $4.70 | 119,578,954 |
| 2012-12-17 | Open-market buy | 1,098 | $4.59 | 119,527,254 |
| 2012-12-17 | Open-market buy | 2,000 | $4.57 | 119,522,754 |
| 2012-12-17 | Open-market buy | 3,402 | $4.58 | 119,526,156 |
| 2012-12-17 | Open-market buy | 13,200 | $4.64 | 119,560,754 |
| 2012-12-17 | Open-market buy | 6,500 | $4.63 | 119,547,554 |
| 2012-12-17 | Open-market buy | 13,400 | $4.63 | 119,541,054 |
| 2012-12-17 | Open-market buy | 400 | $4.62 | 119,527,654 |
| 2012-12-14 | Open-market buy | 5,400 | $4.58 | 119,494,254 |
| 2012-12-14 | Open-market buy | 4,800 | $4.53 | 119,485,554 |
| 2012-12-14 | Open-market buy | 1,200 | $4.55 | 119,486,754 |
| 2012-12-14 | Open-market buy | 2,000 | $4.63 | 119,520,754 |
| 2012-12-14 | Open-market buy | 1,000 | $4.62 | 119,518,754 |
| 2012-12-14 | Open-market buy | 17,900 | $4.60 | 119,517,754 |
| 2012-12-14 | Open-market buy | 5,500 | $4.59 | 119,499,854 |
| 2012-12-14 | Open-market buy | 100 | $4.59 | 119,494,354 |
| 2012-12-14 | Open-market buy | 1,500 | $4.57 | 119,488,854 |
| 2012-12-14 | Open-market buy | 600 | $4.56 | 119,487,354 |
| 2012-12-13 | Open-market buy | 10,400 | $4.58 | 119,480,754 |
| 2012-12-13 | Open-market buy | 8,600 | $4.57 | 119,470,354 |
| 2012-12-13 | Open-market buy | 5,000 | $4.56 | 119,461,754 |
| 2012-12-13 | Open-market buy | 4,500 | $4.50 | 119,455,254 |
| 2012-12-13 | Open-market buy | 1,482 | $4.51 | 119,456,736 |
| 2012-12-13 | Open-market buy | 18 | $4.52 | 119,456,754 |
| 2012-12-12 | Open-market buy | 1,700 | $4.55 | 119,450,754 |
| 2012-12-12 | Open-market buy | 23,200 | $4.54 | 119,449,054 |
| 2012-12-12 | Open-market buy | 4,100 | $4.54 | 119,425,854 |
| 2012-12-12 | Open-market buy | 1,000 | $4.52 | 119,421,754 |
| 2012-12-11 | Open-market buy | 600 | $4.52 | 119,420,754 |
| 2012-12-11 | Open-market buy | 5,214 | $4.48 | 119,386,354 |
| 2012-12-11 | Open-market buy | 7,500 | $4.49 | 119,393,854 |
| 2012-12-11 | Open-market buy | 9,000 | $4.50 | 119,402,854 |
| 2012-12-11 | Open-market buy | 17,300 | $4.51 | 119,420,154 |
| 2012-12-11 | Open-market buy | 386 | $4.47 | 119,381,140 |
| 2012-12-10 | Open-market buy | 21,800 | $4.44 | 119,380,754 |
| 2012-12-10 | Open-market buy | 1,000 | $4.39 | 119,358,954 |
| 2012-12-10 | Open-market buy | 3,700 | $4.37 | 119,354,454 |
| 2012-12-10 | Open-market buy | 3,500 | $4.38 | 119,357,954 |
| 2012-12-07 | Open-market buy | 10,000 | $4.38 | 119,350,754 |
| 2012-12-07 | Open-market buy | 1,800 | $4.34 | 119,277,554 |
| 2012-12-07 | Open-market buy | 25,800 | $4.34 | 119,303,354 |
| 2012-12-07 | Open-market buy | 7,900 | $4.35 | 119,311,254 |
| 2012-12-07 | Open-market buy | 3,400 | $4.37 | 119,314,654 |
| 2012-12-07 | Open-market buy | 26,100 | $4.37 | 119,340,754 |
| 2012-12-06 | Open-market buy | 400 | $4.34 | 119,241,154 |
| 2012-12-06 | Open-market buy | 4,612 | $4.39 | 119,275,754 |
| 2012-12-06 | Open-market buy | 15,388 | $4.38 | 119,271,142 |
| 2012-12-06 | Open-market buy | 8,200 | $4.36 | 119,255,754 |
| 2012-12-06 | Open-market buy | 3,100 | $4.36 | 119,247,554 |
| 2012-12-06 | Open-market buy | 3,300 | $4.34 | 119,244,454 |
| 2012-12-05 | Open-market buy | 10,200 | $4.40 | 119,240,754 |
| 2012-12-05 | Open-market buy | 5,782 | $4.39 | 119,230,554 |
| 2012-12-05 | Open-market buy | 7,618 | $4.38 | 119,224,772 |
| 2012-12-05 | Open-market buy | 3,100 | $4.37 | 119,217,154 |
| 2012-12-05 | Open-market buy | 3,300 | $4.36 | 119,214,054 |
| 2012-12-04 | Open-market buy | 1,400 | $4.37 | 119,179,654 |
| 2012-12-04 | Open-market buy | 12,200 | $4.40 | 119,210,754 |
| 2012-12-04 | Open-market buy | 1,300 | $4.37 | 119,180,954 |
| 2012-12-04 | Open-market buy | 12,536 | $4.38 | 119,193,490 |
| 2012-12-04 | Open-market buy | 5,064 | $4.39 | 119,198,554 |
| 2012-12-03 | Open-market buy | 5,400 | $4.36 | 119,158,654 |
| 2012-12-03 | Open-market buy | 8,500 | $4.37 | 119,167,154 |
| 2012-12-03 | Open-market buy | 4,900 | $4.43 | 119,178,254 |
| 2012-12-03 | Open-market buy | 100 | $4.43 | 119,173,354 |
| 2012-12-03 | Open-market buy | 4,829 | $4.41 | 119,173,254 |
| 2012-12-03 | Open-market buy | 171 | $4.41 | 119,168,425 |
| 2012-12-03 | Open-market buy | 1,100 | $4.38 | 119,168,254 |
| 2012-11-30 | Open-market buy | 300 | $4.46 | 119,153,254 |
| 2012-11-30 | Open-market buy | 11,500 | $4.45 | 119,152,954 |
| 2012-11-30 | Open-market buy | 3,100 | $4.44 | 119,141,454 |
| 2012-11-30 | Open-market buy | 5,100 | $4.43 | 119,138,354 |
| 2012-11-29 | Open-market buy | 500 | $4.45 | 119,110,254 |
| 2012-11-29 | Open-market buy | 10,192 | $4.47 | 119,128,254 |
| 2012-11-29 | Open-market buy | 7,808 | $4.46 | 119,118,062 |
| 2012-11-29 | Open-market buy | 5,000 | $4.50 | 119,133,254 |
| 2012-11-29 | Open-market buy | 4,900 | $4.43 | 119,109,754 |
| 2012-11-29 | Open-market buy | 1,600 | $4.42 | 119,104,854 |
| 2012-11-28 | Open-market buy | 7,400 | $4.39 | 119,025,954 |
| 2012-11-28 | Open-market buy | 300 | $4.39 | 119,018,554 |
| 2012-11-28 | Open-market buy | 23,500 | $4.43 | 119,103,254 |
| 2012-11-28 | Open-market buy | 2,989 | $4.42 | 119,079,754 |
| 2012-11-28 | Open-market buy | 34,687 | $4.41 | 119,076,765 |
| 2012-11-28 | Open-market buy | 16,124 | $4.40 | 119,042,078 |
| 2012-11-27 | Open-market buy | 7,300 | $4.43 | 119,015,654 |
| 2012-11-27 | Open-market buy | 2,600 | $4.44 | 119,018,254 |
| 2012-11-27 | Open-market buy | 100 | $4.43 | 119,008,354 |
| 2012-11-26 | Open-market buy | 25,099 | $4.42 | 118,973,354 |
| 2012-11-26 | Open-market buy | 5,001 | $4.41 | 118,948,255 |
| 2012-11-26 | Open-market buy | 15,000 | $4.44 | 118,998,254 |
| 2012-11-26 | Open-market buy | 9,900 | $4.43 | 118,983,254 |
| 2012-11-26 | Open-market buy | 10,000 | $4.45 | 119,008,254 |
| 2012-11-23 | Open-market buy | 11,714 | $4.47 | 118,934,654 |
| 2012-11-23 | Open-market buy | 8,600 | $4.48 | 118,943,254 |
| 2012-11-23 | Open-market buy | 2,686 | $4.46 | 118,922,940 |
| 2012-11-23 | Open-market buy | 100 | $4.45 | 118,918,354 |
| 2012-11-23 | Open-market buy | 1,900 | $4.45 | 118,920,254 |
| 2012-11-21 | Open-market buy | 5,200 | $4.43 | 118,888,354 |
| 2012-11-21 | Open-market buy | 16,800 | $4.44 | 118,905,154 |
| 2012-11-21 | Open-market buy | 13,100 | $4.45 | 118,918,254 |
| 2012-11-21 | Open-market buy | 200 | $4.42 | 118,873,454 |
| 2012-11-21 | Open-market buy | 9,700 | $4.42 | 118,883,154 |
| 2012-11-20 | Open-market buy | 300 | $4.45 | 118,866,054 |
| 2012-11-20 | Open-market buy | 6,300 | $4.45 | 118,872,354 |
| 2012-11-20 | Open-market buy | 900 | $4.47 | 118,873,254 |
| 2012-11-19 | Open-market buy | 10,000 | $4.41 | 118,865,754 |
| 2012-11-16 | Open-market buy | 1,100 | $4.41 | 118,854,454 |
| 2012-11-16 | Open-market buy | 7,273 | $4.36 | 118,838,027 |
| 2012-11-16 | Open-market buy | 9,000 | $4.37 | 118,847,027 |
| 2012-11-16 | Open-market buy | 1,227 | $4.38 | 118,848,254 |
| 2012-11-16 | Open-market buy | 2,900 | $4.39 | 118,851,154 |
| 2012-11-16 | Open-market buy | 2,200 | $4.40 | 118,853,354 |
| 2012-11-16 | Open-market buy | 1,300 | $4.42 | 118,855,754 |
| 2012-11-15 | Open-market buy | 1,300 | $4.42 | 118,810,754 |
| 2012-11-15 | Open-market buy | 3,700 | $4.41 | 118,809,454 |
| 2012-11-15 | Open-market buy | 20,000 | $4.45 | 118,830,754 |
| 2012-11-14 | Open-market buy | 100 | $4.41 | 118,778,354 |
| 2012-11-14 | Open-market buy | 2,000 | $4.36 | 118,745,254 |
| 2012-11-14 | Open-market buy | 33,000 | $4.36 | 118,778,254 |
| 2012-11-14 | Open-market buy | 9,900 | $4.41 | 118,788,254 |
| 2012-11-14 | Open-market buy | 5,000 | $4.43 | 118,793,254 |
| 2012-11-14 | Open-market buy | 300 | $4.44 | 118,793,554 |
| 2012-11-14 | Open-market buy | 3,600 | $4.44 | 118,797,154 |
| 2012-11-14 | Open-market buy | 1,500 | $4.45 | 118,798,654 |
| 2012-11-14 | Open-market buy | 4,874 | $4.46 | 118,803,528 |
| 2012-11-14 | Open-market buy | 2,226 | $4.47 | 118,805,754 |
| 2012-11-13 | Open-market buy | 100 | $4.47 | 118,728,354 |
| 2012-11-13 | Open-market buy | 2,600 | $4.48 | 118,733,554 |
| 2012-11-13 | Open-market buy | 3,900 | $4.49 | 118,737,454 |
| 2012-11-13 | Open-market buy | 2,600 | $4.47 | 118,730,954 |
| 2012-11-13 | Open-market buy | 2,880 | $4.52 | 118,743,254 |
| 2012-11-13 | Open-market buy | 2,120 | $4.51 | 118,740,374 |
| 2012-11-13 | Open-market buy | 800 | $4.50 | 118,738,254 |
| 2012-11-12 | Open-market buy | 4,500 | $4.49 | 118,728,254 |
| 2012-11-12 | Open-market buy | 23,700 | $4.39 | 118,675,454 |
| 2012-11-12 | Open-market buy | 1,600 | $4.40 | 118,677,054 |
| 2012-11-12 | Open-market buy | 5,100 | $4.41 | 118,682,154 |
| 2012-11-12 | Open-market buy | 3,000 | $4.42 | 118,685,154 |
| 2012-11-12 | Open-market buy | 5,200 | $4.43 | 118,690,354 |
| 2012-11-12 | Open-market buy | 31,400 | $4.44 | 118,721,754 |
| 2012-11-12 | Open-market buy | 500 | $4.46 | 118,722,254 |
| 2012-11-12 | Open-market buy | 1,500 | $4.48 | 118,723,754 |
| 2012-11-12 | Open-market buy | 1,000 | $4.38 | 118,651,754 |
| 2012-11-09 | Open-market buy | 500 | $4.49 | 118,626,254 |
| 2012-11-09 | Open-market buy | 4,641 | $4.50 | 118,648,754 |
| 2012-11-09 | Open-market buy | 380 | $4.54 | 118,649,134 |
| 2012-11-09 | Open-market buy | 1,320 | $4.55 | 118,650,454 |
| 2012-11-09 | Open-market buy | 300 | $4.56 | 118,650,754 |
| 2012-11-09 | Open-market buy | 17,859 | $4.49 | 118,644,113 |
| 2012-11-08 | Open-market buy | 1,247 | $4.57 | 118,610,154 |
| 2012-11-08 | Open-market buy | 4,300 | $4.56 | 118,608,907 |
| 2012-11-08 | Open-market buy | 800 | $4.55 | 118,604,607 |
| 2012-11-08 | Open-market buy | 1,100 | $4.54 | 118,603,807 |
| 2012-11-08 | Open-market buy | 3,600 | $4.53 | 118,602,707 |
| 2012-11-08 | Open-market buy | 1,453 | $4.52 | 118,599,107 |
| 2012-11-08 | Open-market buy | 3,881 | $4.63 | 118,625,754 |
| 2012-11-08 | Open-market buy | 100 | $4.50 | 118,590,854 |
| 2012-11-08 | Open-market buy | 1,450 | $4.58 | 118,611,604 |
| 2012-11-08 | Open-market buy | 2,700 | $4.59 | 118,614,304 |
| 2012-11-08 | Open-market buy | 3,250 | $4.60 | 118,617,554 |
| 2012-11-08 | Open-market buy | 1,019 | $4.61 | 118,618,573 |
| 2012-11-08 | Open-market buy | 3,300 | $4.62 | 118,621,873 |
| 2012-11-08 | Open-market buy | 6,800 | $4.51 | 118,597,654 |
| 2012-11-07 | Open-market buy | 8,300 | $4.38 | 118,590,754 |
| 2012-11-07 | Open-market buy | 9,300 | $4.36 | 118,560,154 |
| 2012-11-07 | Open-market buy | 1,000 | $4.30 | 118,542,754 |
| 2012-11-07 | Open-market buy | 1,000 | $4.29 | 118,541,754 |
| 2012-11-07 | Open-market buy | 1,000 | $4.33 | 118,546,754 |
| 2012-11-07 | Open-market buy | 4,100 | $4.35 | 118,550,854 |
| 2012-11-07 | Open-market buy | 22,300 | $4.37 | 118,582,454 |
| 2012-11-07 | Open-market buy | 2,700 | $4.32 | 118,545,754 |
| 2012-11-07 | Open-market buy | 300 | $4.32 | 118,543,054 |
| 2012-11-06 | Open-market buy | 10,220 | $4.24 | 118,527,454 |
| 2012-11-06 | Open-market buy | 4,160 | $4.25 | 118,531,614 |
| 2012-11-06 | Open-market buy | 17,980 | $4.23 | 118,517,234 |
| 2012-11-06 | Open-market buy | 22,484 | $4.22 | 118,499,254 |
| 2012-11-06 | Open-market buy | 10,816 | $4.21 | 118,476,770 |
| 2012-11-06 | Open-market buy | 200 | $4.21 | 118,465,954 |
| 2012-11-06 | Open-market buy | 1,000 | $4.27 | 118,540,754 |
| 2012-11-06 | Open-market buy | 8,140 | $4.26 | 118,539,754 |
| 2012-11-05 | Open-market buy | 6,800 | $4.25 | 118,448,054 |
| 2012-11-05 | Open-market buy | 6,491 | $4.28 | 118,461,854 |
| 2012-11-05 | Open-market buy | 5,000 | $4.27 | 118,455,363 |
| 2012-11-05 | Open-market buy | 2,309 | $4.26 | 118,450,363 |
| 2012-11-05 | Open-market buy | 3,900 | $4.29 | 118,465,754 |
| 2012-11-05 | Open-market buy | 6,000 | $4.24 | 118,441,254 |
| 2012-11-05 | Open-market buy | 3,700 | $4.23 | 118,435,254 |
| 2012-11-05 | Open-market buy | 25,800 | $4.22 | 118,431,554 |
| 2012-11-05 | Open-market buy | 5,000 | $4.21 | 118,405,754 |
| 2012-11-02 | Open-market buy | 1,000 | $4.29 | 118,395,754 |
| 2012-11-02 | Open-market buy | 6,110 | $4.28 | 118,394,754 |
| 2012-11-02 | Open-market buy | 14,523 | $4.27 | 118,388,644 |
| 2012-11-02 | Open-market buy | 12,300 | $4.26 | 118,374,121 |
| 2012-11-02 | Open-market buy | 5,000 | $4.31 | 118,400,754 |
| 2012-11-02 | Open-market buy | 18,500 | $4.24 | 118,345,054 |
| 2012-11-02 | Open-market buy | 4,900 | $4.23 | 118,326,554 |
| 2012-11-02 | Open-market buy | 900 | $4.22 | 118,321,654 |
| 2012-11-02 | Open-market buy | 16,767 | $4.25 | 118,361,821 |
| 2012-11-01 | Open-market buy | 10,400 | $4.29 | 118,280,054 |
| 2012-11-01 | Open-market buy | 27,739 | $4.32 | 118,317,993 |
| 2012-11-01 | Open-market buy | 5,258 | $4.31 | 118,290,254 |
| 2012-11-01 | Open-market buy | 4,942 | $4.30 | 118,284,996 |
| 2012-11-01 | Open-market buy | 2,761 | $4.33 | 118,320,754 |
| 2012-11-01 | Open-market buy | 12,000 | $4.28 | 118,269,654 |
| 2012-11-01 | Open-market buy | 10,700 | $4.27 | 118,257,654 |
| 2012-11-01 | Open-market buy | 1,200 | $4.26 | 118,246,954 |
| 2012-10-31 | Open-market buy | 13,491 | $4.27 | 118,205,754 |
| 2012-10-31 | Open-market buy | 3,900 | $4.32 | 118,239,054 |
| 2012-10-31 | Open-market buy | 13,400 | $4.30 | 118,235,154 |
| 2012-10-31 | Open-market buy | 1,000 | $4.29 | 118,221,754 |
| 2012-10-31 | Open-market buy | 15,000 | $4.28 | 118,220,754 |
| 2012-10-31 | Open-market buy | 6,700 | $4.33 | 118,245,754 |
| 2012-10-31 | Open-market buy | 8,200 | $4.26 | 118,192,263 |
| 2012-10-31 | Open-market buy | 3,549 | $4.25 | 118,184,063 |
| 2012-10-31 | Open-market buy | 6,300 | $4.24 | 118,180,514 |
| 2012-10-31 | Open-market buy | 3,460 | $4.23 | 118,174,214 |
| 2012-10-26 | Open-market buy | 95 | $4.38 | 118,170,754 |
| 2012-10-26 | Open-market buy | 2,200 | $4.37 | 118,170,659 |
| 2012-10-26 | Open-market buy | 2,205 | $4.36 | 118,168,459 |
| 2012-10-26 | Open-market buy | 1,000 | $4.35 | 118,166,254 |
| 2012-10-26 | Open-market buy | 26,300 | $4.34 | 118,165,254 |
| 2012-10-26 | Open-market buy | 300 | $4.31 | 118,096,054 |
| 2012-10-26 | Open-market buy | 4,400 | $4.31 | 118,100,454 |
| 2012-10-26 | Open-market buy | 33,700 | $4.33 | 118,138,954 |
| 2012-10-26 | Open-market buy | 4,800 | $4.32 | 118,105,254 |
| 2012-10-25 | Open-market buy | 25,000 | $4.43 | 118,095,754 |
| 2012-10-24 | Open-market buy | 3,404 | $4.50 | 118,054,058 |
| 2012-10-24 | Open-market buy | 3,736 | $4.53 | 118,067,354 |
| 2012-10-24 | Open-market buy | 5,770 | $4.52 | 118,063,618 |
| 2012-10-24 | Open-market buy | 3,790 | $4.51 | 118,057,848 |
| 2012-10-24 | Open-market buy | 3,400 | $4.54 | 118,070,754 |
| 2012-10-24 | Open-market buy | 11,200 | $4.49 | 118,050,654 |
| 2012-10-24 | Open-market buy | 1,600 | $4.49 | 118,039,454 |
| 2012-10-24 | Open-market buy | 9,400 | $4.47 | 118,037,854 |
| 2012-10-24 | Open-market buy | 200 | $4.47 | 118,028,454 |
| 2012-10-23 | Open-market buy | 7,900 | $4.48 | 118,027,654 |
| 2012-10-23 | Open-market buy | 4,300 | $4.47 | 118,019,754 |
| 2012-10-23 | Open-market buy | 600 | $4.49 | 118,028,254 |
| 2012-10-23 | Open-market buy | 2,300 | $4.46 | 118,015,454 |
| 2012-10-23 | Open-market buy | 8,000 | $4.44 | 118,011,254 |
| 2012-10-23 | Open-market buy | 1,900 | $4.45 | 118,013,154 |
| 2012-10-22 | Open-market buy | 200 | $4.44 | 117,988,254 |
| 2012-10-22 | Open-market buy | 1,693 | $4.47 | 117,994,947 |
| 2012-10-22 | Open-market buy | 5,000 | $4.46 | 117,993,254 |
| 2012-10-22 | Open-market buy | 8,307 | $4.48 | 118,003,254 |
| 2012-10-22 | Open-market buy | 7,300 | $4.43 | 117,988,054 |
| 2012-10-22 | Open-market buy | 2,500 | $4.43 | 117,980,754 |
| 2012-10-19 | Open-market buy | 1,200 | $4.40 | 117,789,454 |
| 2012-10-19 | Open-market buy | 6,134 | $4.66 | 117,978,254 |
| 2012-10-19 | Open-market buy | 3,500 | $4.65 | 117,972,120 |
| 2012-10-19 | Open-market buy | 11,661 | $4.64 | 117,968,620 |
| 2012-10-19 | Open-market buy | 3,838 | $4.63 | 117,956,959 |
| 2012-10-19 | Open-market buy | 31,517 | $4.62 | 117,953,121 |
| 2012-10-19 | Open-market buy | 4,100 | $4.61 | 117,921,604 |
| 2012-10-19 | Open-market buy | 16,950 | $4.60 | 117,917,504 |
| 2012-10-19 | Open-market buy | 4,800 | $4.59 | 117,900,554 |
| 2012-10-19 | Open-market buy | 2,400 | $4.58 | 117,895,754 |
| 2012-10-19 | Open-market buy | 100 | $4.58 | 117,893,354 |
| 2012-10-19 | Open-market buy | 3,263 | $4.55 | 117,893,254 |
| 2012-10-19 | Open-market buy | 1,537 | $4.54 | 117,889,991 |
| 2012-10-19 | Open-market buy | 200 | $4.54 | 117,888,454 |
| 2012-10-19 | Open-market buy | 300 | $4.52 | 117,888,254 |
| 2012-10-19 | Open-market buy | 1,100 | $4.51 | 117,887,954 |
| 2012-10-19 | Open-market buy | 7,266 | $4.50 | 117,886,854 |
| 2012-10-19 | Open-market buy | 12,405 | $4.49 | 117,879,588 |
| 2012-10-19 | Open-market buy | 12,000 | $4.48 | 117,867,183 |
| 2012-10-19 | Open-market buy | 26,300 | $4.47 | 117,855,183 |
| 2012-10-19 | Open-market buy | 12,100 | $4.46 | 117,828,883 |
| 2012-10-19 | Open-market buy | 5,200 | $4.45 | 117,816,783 |
| 2012-10-19 | Open-market buy | 4,400 | $4.44 | 117,811,583 |
| 2012-10-19 | Open-market buy | 6,100 | $4.43 | 117,807,183 |
| 2012-10-19 | Open-market buy | 3,500 | $4.42 | 117,801,083 |
| 2012-10-19 | Open-market buy | 3,429 | $4.41 | 117,797,583 |
| 2012-10-19 | Open-market buy | 4,700 | $4.40 | 117,794,154 |
| 2012-10-11 | Open-market buy | 10,800 | $4.27 | 117,730,954 |
| 2012-10-11 | Open-market buy | 100 | $4.33 | 117,765,954 |
| 2012-10-11 | Open-market buy | 4,100 | $4.33 | 117,770,054 |
| 2012-10-11 | Open-market buy | 10,705 | $4.34 | 117,780,759 |
| 2012-10-11 | Open-market buy | 300 | $4.35 | 117,781,059 |
| 2012-10-11 | Open-market buy | 5,195 | $4.35 | 117,786,254 |
| 2012-10-11 | Open-market buy | 500 | $4.36 | 117,786,754 |
| 2012-10-11 | Open-market buy | 1,000 | $4.37 | 117,787,754 |
| 2012-10-11 | Open-market buy | 500 | $4.38 | 117,788,254 |
| 2012-10-11 | Open-market buy | 3,491 | $4.24 | 117,686,745 |
| 2012-10-11 | Open-market buy | 100 | $4.25 | 117,686,845 |
| 2012-10-11 | Open-market buy | 16,409 | $4.25 | 117,703,254 |
| 2012-10-11 | Open-market buy | 6,400 | $4.32 | 117,765,854 |
| 2012-10-11 | Open-market buy | 100 | $4.32 | 117,759,454 |
| 2012-10-11 | Open-market buy | 600 | $4.31 | 117,759,354 |
| 2012-10-11 | Open-market buy | 500 | $4.30 | 117,758,754 |
| 2012-10-11 | Open-market buy | 500 | $4.29 | 117,758,254 |
| 2012-10-11 | Open-market buy | 600 | $4.28 | 117,757,754 |
| 2012-10-11 | Open-market buy | 26,200 | $4.27 | 117,757,154 |
| 2012-10-11 | Open-market buy | 16,200 | $4.26 | 117,720,154 |
| 2012-10-11 | Open-market buy | 700 | $4.26 | 117,703,954 |
| 2012-10-10 | Open-market buy | 500 | $4.32 | 117,683,254 |
| 2012-10-10 | Open-market buy | 600 | $4.29 | 117,643,354 |
| 2012-10-10 | Open-market buy | 14,000 | $4.28 | 117,642,754 |
| 2012-10-10 | Open-market buy | 500 | $4.28 | 117,628,754 |
| 2012-10-10 | Open-market buy | 28,400 | $4.29 | 117,671,754 |
| 2012-10-10 | Open-market buy | 3,600 | $4.31 | 117,682,754 |
| 2012-10-10 | Open-market buy | 400 | $4.31 | 117,679,154 |
| 2012-10-10 | Open-market buy | 6,800 | $4.30 | 117,678,754 |
| 2012-10-10 | Open-market buy | 200 | $4.30 | 117,671,954 |
| 2012-10-09 | Open-market buy | 100 | $4.39 | 117,628,254 |
| 2012-10-09 | Open-market buy | 400 | $4.39 | 117,628,154 |
| 2012-10-09 | Open-market buy | 500 | $4.38 | 117,627,754 |
| 2012-10-09 | Open-market buy | 300 | $4.29 | 117,532,654 |
| 2012-10-09 | Open-market buy | 500 | $4.30 | 117,533,154 |
| 2012-10-09 | Open-market buy | 100 | $4.31 | 117,533,254 |
| 2012-10-09 | Open-market buy | 30,868 | $4.31 | 117,564,122 |
| 2012-10-09 | Open-market buy | 100 | $4.32 | 117,564,222 |
| 2012-10-09 | Open-market buy | 8,332 | $4.32 | 117,572,554 |
| 2012-10-09 | Open-market buy | 2,200 | $4.33 | 117,574,754 |
| 2012-10-09 | Open-market buy | 8,800 | $4.35 | 117,626,254 |
| 2012-10-09 | Open-market buy | 500 | $4.36 | 117,626,754 |
| 2012-10-09 | Open-market buy | 500 | $4.37 | 117,627,254 |
| 2012-10-09 | Open-market buy | 200 | $4.35 | 117,617,454 |
| 2012-10-09 | Open-market buy | 13,110 | $4.34 | 117,617,254 |
| 2012-10-09 | Open-market buy | 1,000 | $4.34 | 117,604,144 |
| 2012-10-09 | Open-market buy | 28,390 | $4.33 | 117,603,144 |
| 2012-10-08 | Open-market buy | 700 | $4.40 | 117,420,554 |
| 2012-10-08 | Open-market buy | 1,346 | $4.47 | 117,531,454 |
| 2012-10-08 | Open-market buy | 7,554 | $4.46 | 117,530,108 |
| 2012-10-08 | Open-market buy | 100 | $4.46 | 117,522,554 |
| 2012-10-08 | Open-market buy | 6,400 | $4.45 | 117,522,454 |
| 2012-10-08 | Open-market buy | 100 | $4.45 | 117,516,054 |
| 2012-10-08 | Open-market buy | 9,000 | $4.44 | 117,515,954 |
| 2012-10-08 | Open-market buy | 22,416 | $4.43 | 117,506,954 |
| 2012-10-08 | Open-market buy | 2,600 | $4.43 | 117,484,538 |
| 2012-10-08 | Open-market buy | 30,392 | $4.42 | 117,481,938 |
| 2012-10-08 | Open-market buy | 100 | $4.42 | 117,451,546 |
| 2012-10-08 | Open-market buy | 17,692 | $4.41 | 117,451,446 |
| 2012-10-08 | Open-market buy | 500 | $4.41 | 117,433,754 |
| 2012-10-08 | Open-market buy | 12,700 | $4.40 | 117,433,254 |
| 2012-10-08 | Open-market buy | 900 | $4.48 | 117,532,354 |
| 2012-10-08 | Open-market buy | 25,000 | $4.38 | 117,419,854 |
| 2012-10-05 | Open-market buy | 1,800 | $4.52 | 117,387,854 |
| 2012-10-05 | Open-market buy | 12,900 | $4.51 | 117,386,054 |
| 2012-10-05 | Open-market buy | 27,200 | $4.50 | 117,373,154 |
| 2012-10-05 | Open-market buy | 4,900 | $4.49 | 117,345,954 |
| 2012-10-05 | Open-market buy | 7,000 | $4.53 | 117,394,854 |
| 2012-10-05 | Open-market buy | 800 | $4.48 | 117,335,954 |
| 2012-10-05 | Open-market buy | 300 | $4.47 | 117,335,154 |
| 2012-10-05 | Open-market buy | 5,100 | $4.48 | 117,341,054 |
| 2012-10-04 | Open-market buy | 7,450 | $4.40 | 117,281,304 |
| 2012-10-04 | Open-market buy | 24,800 | $4.44 | 117,331,154 |
| 2012-10-04 | Open-market buy | 15,100 | $4.43 | 117,306,354 |
| 2012-10-04 | Open-market buy | 9,650 | $4.42 | 117,291,254 |
| 2012-10-04 | Open-market buy | 300 | $4.42 | 117,281,604 |
| 2012-10-04 | Open-market buy | 3,700 | $4.45 | 117,334,854 |
| 2012-10-04 | Open-market buy | 2,800 | $4.39 | 117,273,854 |
| 2012-10-04 | Open-market buy | 7,900 | $4.38 | 117,271,054 |
| 2012-10-04 | Open-market buy | 5,100 | $4.37 | 117,263,154 |
| 2012-10-04 | Open-market buy | 700 | $4.37 | 117,258,054 |
| 2012-10-03 | Open-market buy | 5,000 | $4.22 | 117,197,354 |
| 2012-10-03 | Open-market buy | 13,400 | $4.38 | 117,222,954 |
| 2012-10-03 | Open-market buy | 21,700 | $4.39 | 117,244,654 |
| 2012-10-03 | Open-market buy | 3,100 | $4.38 | 117,209,554 |
| 2012-10-03 | Open-market buy | 4,100 | $4.31 | 117,206,454 |
| 2012-10-03 | Open-market buy | 4,300 | $4.27 | 117,202,354 |
| 2012-10-03 | Open-market buy | 700 | $4.27 | 117,198,054 |
| 2012-10-03 | Open-market buy | 1,000 | $4.42 | 117,257,354 |
| 2012-10-03 | Open-market buy | 10,000 | $4.41 | 117,256,354 |
| 2012-10-03 | Open-market buy | 1,700 | $4.40 | 117,246,354 |
| 2012-10-02 | Open-market buy | 17,013 | $4.17 | 117,192,354 |
| 2012-10-02 | Open-market buy | 15,446 | $4.15 | 117,109,400 |
| 2012-10-02 | Open-market buy | 1,600 | $4.15 | 117,093,954 |
| 2012-10-02 | Open-market buy | 2,000 | $4.22 | 117,175,341 |
| 2012-10-02 | Open-market buy | 15,502 | $4.16 | 117,124,902 |
| 2012-10-02 | Open-market buy | 24,999 | $4.18 | 117,149,901 |
| 2012-10-02 | Open-market buy | 500 | $4.22 | 117,173,341 |
| 2012-10-02 | Open-market buy | 14,100 | $4.20 | 117,172,841 |
| 2012-10-02 | Open-market buy | 8,840 | $4.19 | 117,158,741 |
| 2012-10-01 | Open-market buy | 11,674 | $4.12 | 116,895,828 |
| 2012-10-01 | Open-market buy | 4,200 | $4.11 | 116,884,154 |
| 2012-10-01 | Open-market buy | 9,200 | $4.21 | 117,092,354 |
| 2012-10-01 | Open-market buy | 13,300 | $4.20 | 117,083,154 |
| 2012-10-01 | Open-market buy | 3,400 | $4.19 | 117,069,854 |
| 2012-10-01 | Open-market buy | 67,800 | $4.18 | 117,066,454 |
| 2012-10-01 | Open-market buy | 12,400 | $4.17 | 116,998,654 |
| 2012-10-01 | Open-market buy | 43,642 | $4.16 | 116,986,254 |
| 2012-10-01 | Open-market buy | 21,435 | $4.15 | 116,942,612 |
| 2012-10-01 | Open-market buy | 15,779 | $4.14 | 116,921,177 |
| 2012-10-01 | Open-market buy | 9,570 | $4.13 | 116,905,398 |
| 2012-10-01 | Open-market buy | 100 | $4.11 | 116,879,954 |
| 2012-09-28 | Open-market buy | 700 | $4.16 | 116,833,054 |
| 2012-09-28 | Open-market buy | 20,021 | $4.18 | 116,854,775 |
| 2012-09-28 | Open-market buy | 15,808 | $4.19 | 116,870,583 |
| 2012-09-28 | Open-market buy | 3,471 | $4.20 | 116,874,054 |
| 2012-09-28 | Open-market buy | 1,700 | $4.18 | 116,834,754 |
| 2012-09-28 | Open-market buy | 1,200 | $4.23 | 116,879,854 |
| 2012-09-28 | Open-market buy | 2,124 | $4.22 | 116,878,654 |
| 2012-09-28 | Open-market buy | 2,476 | $4.21 | 116,876,530 |
| 2012-09-27 | Open-market buy | 14,200 | $4.17 | 116,799,854 |
| 2012-09-27 | Open-market buy | 4,904 | $4.22 | 116,830,054 |
| 2012-09-27 | Open-market buy | 3,496 | $4.21 | 116,825,150 |
| 2012-09-27 | Open-market buy | 10,200 | $4.20 | 116,821,654 |
| 2012-09-27 | Open-market buy | 9,900 | $4.19 | 116,811,454 |
| 2012-09-27 | Open-market buy | 1,700 | $4.18 | 116,801,554 |
| 2012-09-27 | Open-market buy | 2,300 | $4.23 | 116,832,354 |
| 2012-09-27 | Open-market buy | 800 | $4.17 | 116,785,654 |
| 2012-09-27 | Open-market buy | 4,300 | $4.15 | 116,784,854 |
| 2012-09-27 | Open-market buy | 1,563 | $4.14 | 116,780,554 |
| 2012-09-27 | Open-market buy | 3,337 | $4.13 | 116,778,991 |
| 2012-09-27 | Open-market buy | 5,000 | $4.12 | 116,775,654 |
| 2012-09-27 | Open-market buy | 800 | $4.12 | 116,770,654 |
| 2012-09-26 | Open-market buy | 14,500 | $4.11 | 116,715,954 |
| 2012-09-26 | Open-market buy | 5,000 | $4.09 | 116,700,354 |
| 2012-09-26 | Open-market buy | 500 | $4.07 | 116,695,354 |
| 2012-09-26 | Open-market buy | 2,400 | $4.18 | 116,769,854 |
| 2012-09-26 | Open-market buy | 2,400 | $4.17 | 116,767,454 |
| 2012-09-26 | Open-market buy | 6,000 | $4.12 | 116,721,954 |
| 2012-09-26 | Open-market buy | 16,500 | $4.13 | 116,738,454 |
| 2012-09-26 | Open-market buy | 26,400 | $4.14 | 116,764,854 |
| 2012-09-26 | Open-market buy | 200 | $4.17 | 116,765,054 |
| 2012-09-26 | Open-market buy | 1,100 | $4.10 | 116,701,454 |
| 2012-09-25 | Open-market buy | 5,700 | $4.19 | 116,690,554 |
| 2012-09-25 | Open-market buy | 2,500 | $4.17 | 116,684,854 |
| 2012-09-25 | Open-market buy | 900 | $4.15 | 116,675,754 |
| 2012-09-25 | Open-market buy | 19,800 | $4.13 | 116,674,854 |
| 2012-09-25 | Open-market buy | 200 | $4.13 | 116,655,054 |
| 2012-09-25 | Open-market buy | 4,300 | $4.20 | 116,694,854 |
| 2012-09-25 | Open-market buy | 6,600 | $4.15 | 116,682,354 |
| 2012-09-24 | Open-market buy | 10,000 | $4.26 | 116,654,854 |
| 2012-09-24 | Open-market buy | 25,000 | $4.10 | 116,634,854 |
| 2012-09-24 | Open-market buy | 10,000 | $4.11 | 116,644,854 |
| 2012-09-21 | Open-market buy | 9,800 | $4.17 | 116,476,454 |
| 2012-09-21 | Open-market buy | 10,000 | $4.32 | 116,609,854 |
| 2012-09-21 | Open-market buy | 33,912 | $4.20 | 116,554,408 |
| 2012-09-21 | Open-market buy | 31,309 | $4.19 | 116,520,496 |
| 2012-09-21 | Open-market buy | 12,733 | $4.18 | 116,489,187 |
| 2012-09-21 | Open-market buy | 6,800 | $4.16 | 116,466,654 |
| 2012-09-21 | Open-market buy | 40,446 | $4.21 | 116,594,854 |
| 2012-09-21 | Open-market buy | 1,000 | $4.27 | 116,595,854 |
| 2012-09-21 | Open-market buy | 500 | $4.28 | 116,596,354 |
| 2012-09-21 | Open-market buy | 3,500 | $4.29 | 116,599,854 |
| 2012-09-20 | Open-market buy | 1,100 | $4.25 | 116,350,954 |
| 2012-09-20 | Open-market buy | 3,500 | $4.38 | 116,459,854 |
| 2012-09-20 | Open-market buy | 11,200 | $4.26 | 116,366,754 |
| 2012-09-20 | Open-market buy | 15,298 | $4.27 | 116,382,052 |
| 2012-09-20 | Open-market buy | 44,402 | $4.28 | 116,426,454 |
| 2012-09-20 | Open-market buy | 900 | $4.29 | 116,427,354 |
| 2012-09-20 | Open-market buy | 400 | $4.31 | 116,427,754 |
| 2012-09-20 | Open-market buy | 11,580 | $4.31 | 116,439,334 |
| 2012-09-20 | Open-market buy | 1,700 | $4.32 | 116,441,034 |
| 2012-09-20 | Open-market buy | 5,420 | $4.33 | 116,446,454 |
| 2012-09-20 | Open-market buy | 4,500 | $4.34 | 116,450,954 |
| 2012-09-20 | Open-market buy | 4,400 | $4.35 | 116,455,354 |
| 2012-09-20 | Open-market buy | 1,000 | $4.38 | 116,456,354 |
| 2012-09-20 | Open-market buy | 4,600 | $4.25 | 116,355,554 |
| 2012-09-19 | Open-market buy | 20,200 | $4.39 | 116,325,054 |
| 2012-09-19 | Open-market buy | 20,800 | $4.40 | 116,345,854 |
| 2012-09-19 | Open-market buy | 500 | $4.41 | 116,346,354 |
| 2012-09-19 | Open-market buy | 1,000 | $4.42 | 116,347,354 |
| 2012-09-19 | Open-market buy | 2,500 | $4.43 | 116,349,854 |
| 2012-09-18 | Open-market buy | 500 | $4.42 | 116,280,354 |
| 2012-09-18 | Open-market buy | 15,900 | $4.44 | 116,304,854 |
| 2012-09-18 | Open-market buy | 8,600 | $4.43 | 116,288,954 |
| 2012-09-17 | Open-market buy | 400 | $4.38 | 116,240,254 |
| 2012-09-17 | Open-market buy | 5,196 | $4.39 | 116,245,450 |
| 2012-09-17 | Open-market buy | 100 | $4.40 | 116,245,550 |
| 2012-09-17 | Open-market buy | 9,000 | $4.40 | 116,254,550 |
| 2012-09-17 | Open-market buy | 1,000 | $4.41 | 116,255,550 |
| 2012-09-17 | Open-market buy | 2,583 | $4.41 | 116,258,133 |
| 2012-09-17 | Open-market buy | 1,721 | $4.42 | 116,259,854 |
| 2012-09-17 | Open-market buy | 100 | $4.43 | 116,259,954 |
| 2012-09-17 | Open-market buy | 19,900 | $4.43 | 116,279,854 |
| 2012-09-14 | Open-market buy | 1,000 | $4.43 | 116,185,854 |
| 2012-09-14 | Open-market buy | 6,700 | $4.43 | 116,192,554 |
| 2012-09-14 | Open-market buy | 22,775 | $4.45 | 116,224,354 |
| 2012-09-14 | Open-market buy | 4,500 | $4.46 | 116,228,854 |
| 2012-09-14 | Open-market buy | 2,000 | $4.47 | 116,230,854 |
| 2012-09-14 | Open-market buy | 6,119 | $4.48 | 116,236,973 |
| 2012-09-14 | Open-market buy | 381 | $4.49 | 116,237,354 |
| 2012-09-14 | Open-market buy | 2,500 | $4.55 | 116,239,854 |
| 2012-09-14 | Open-market buy | 9,025 | $4.44 | 116,201,579 |
| 2012-09-13 | Open-market buy | 4,145 | $4.42 | 116,163,154 |
| 2012-09-13 | Open-market buy | 12,263 | $4.43 | 116,175,417 |
| 2012-09-13 | Open-market buy | 6,937 | $4.44 | 116,182,354 |
| 2012-09-13 | Open-market buy | 2,500 | $4.45 | 116,184,854 |
| 2012-09-13 | Open-market buy | 4,155 | $4.41 | 116,159,009 |
| 2012-09-12 | Open-market buy | 2,500 | $4.41 | 116,154,854 |
| 2012-09-12 | Open-market buy | 11,444 | $4.36 | 116,137,454 |
| 2012-09-12 | Open-market buy | 8,700 | $4.37 | 116,146,154 |
| 2012-09-12 | Open-market buy | 6,200 | $4.38 | 116,152,354 |
| 2012-09-12 | Open-market buy | 1,156 | $4.36 | 116,126,010 |
| 2012-09-11 | Open-market buy | 11,247 | $4.36 | 116,076,454 |
| 2012-09-11 | Open-market buy | 11,323 | $4.39 | 116,110,177 |
| 2012-09-11 | Open-market buy | 17,700 | $4.38 | 116,098,854 |
| 2012-09-11 | Open-market buy | 14,677 | $4.40 | 116,124,854 |
| 2012-09-11 | Open-market buy | 4,700 | $4.37 | 116,081,154 |
| 2012-09-11 | Open-market buy | 353 | $4.36 | 116,065,207 |
| 2012-09-10 | Open-market buy | 9,150 | $4.39 | 116,051,454 |
| 2012-09-10 | Open-market buy | 19,950 | $4.38 | 116,042,304 |
| 2012-09-10 | Open-market buy | 2,400 | $4.40 | 116,053,854 |
| 2012-09-10 | Open-market buy | 1,300 | $4.41 | 116,055,154 |
| 2012-09-10 | Open-market buy | 3,600 | $4.42 | 116,058,754 |
| 2012-09-10 | Open-market buy | 3,500 | $4.43 | 116,062,254 |
| 2012-09-10 | Open-market buy | 2,600 | $4.44 | 116,064,854 |
| 2012-09-10 | Open-market buy | 13,300 | $4.37 | 116,022,354 |
| 2012-09-10 | Open-market buy | 5,826 | $4.35 | 115,980,680 |
| 2012-09-10 | Open-market buy | 28,374 | $4.36 | 116,009,054 |
| 2012-09-07 | Open-market buy | 12,300 | $4.49 | 115,954,854 |
| 2012-09-07 | Open-market buy | 400 | $4.45 | 115,925,254 |
| 2012-09-07 | Open-market buy | 12,100 | $4.45 | 115,937,354 |
| 2012-09-07 | Open-market buy | 2,465 | $4.46 | 115,939,819 |
| 2012-09-07 | Open-market buy | 2,735 | $4.48 | 115,942,554 |
| 2012-09-07 | Open-market buy | 20,000 | $4.50 | 115,974,854 |
| 2012-08-31 | Open-market buy | 2,000 | $4.49 | 115,924,854 |
| 2012-08-31 | Open-market buy | 6,900 | $4.48 | 115,922,854 |
| 2012-08-31 | Open-market buy | 7,400 | $4.44 | 115,912,254 |
| 2012-08-31 | Open-market buy | 2,600 | $4.45 | 115,914,854 |
| 2012-08-31 | Open-market buy | 1,100 | $4.47 | 115,915,954 |
| 2012-08-30 | Open-market buy | 700 | $4.46 | 115,903,954 |
| 2012-08-30 | Open-market buy | 5,400 | $4.45 | 115,903,254 |
| 2012-08-30 | Open-market buy | 100 | $4.45 | 115,897,854 |
| 2012-08-30 | Open-market buy | 700 | $4.46 | 115,904,854 |
| 2012-08-30 | Open-market buy | 500 | $4.44 | 115,890,554 |
| 2012-08-30 | Open-market buy | 200 | $4.44 | 115,890,054 |
| 2012-08-30 | Open-market buy | 7,500 | $4.43 | 115,889,854 |
| 2012-08-30 | Open-market buy | 200 | $4.46 | 115,904,154 |
| 2012-08-30 | Open-market buy | 7,200 | $4.44 | 115,897,754 |
| 2012-08-29 | Open-market buy | 900 | $4.48 | 115,868,254 |
| 2012-08-29 | Open-market buy | 5,200 | $4.49 | 115,882,354 |
| 2012-08-29 | Open-market buy | 8,900 | $4.48 | 115,877,154 |
| 2012-08-29 | Open-market buy | 5,000 | $4.46 | 115,867,354 |
| 2012-08-28 | Open-market buy | 2,397 | $4.42 | 115,819,751 |
| 2012-08-28 | Open-market buy | 16,103 | $4.43 | 115,835,854 |
| 2012-08-28 | Open-market buy | 3,999 | $4.44 | 115,839,853 |
| 2012-08-28 | Open-market buy | 2,501 | $4.45 | 115,842,354 |
| 2012-08-28 | Open-market buy | 800 | $4.48 | 115,843,154 |
| 2012-08-28 | Open-market buy | 5,000 | $4.48 | 115,848,154 |
| 2012-08-28 | Open-market buy | 9,000 | $4.49 | 115,857,154 |
| 2012-08-28 | Open-market buy | 5,200 | $4.50 | 115,862,354 |
| 2012-08-27 | Open-market buy | 3,600 | $4.51 | 115,800,954 |
| 2012-08-27 | Open-market buy | 4,800 | $4.46 | 115,779,654 |
| 2012-08-27 | Open-market buy | 7,700 | $4.46 | 115,787,354 |
| 2012-08-27 | Open-market buy | 1,600 | $4.48 | 115,788,954 |
| 2012-08-27 | Open-market buy | 8,400 | $4.48 | 115,797,354 |
| 2012-08-27 | Open-market buy | 5,000 | $4.53 | 115,817,354 |
| 2012-08-27 | Open-market buy | 11,400 | $4.51 | 115,812,354 |
| 2012-08-24 | Open-market buy | 1,000 | $4.44 | 115,728,354 |
| 2012-08-24 | Open-market buy | 5,100 | $4.50 | 115,756,454 |
| 2012-08-24 | Open-market buy | 6,331 | $4.49 | 115,751,354 |
| 2012-08-24 | Open-market buy | 1,900 | $4.48 | 115,745,023 |
| 2012-08-24 | Open-market buy | 5,900 | $4.52 | 115,774,854 |
| 2012-08-24 | Open-market buy | 12,500 | $4.51 | 115,768,954 |
| 2012-08-24 | Open-market buy | 2,500 | $4.46 | 115,730,854 |
| 2012-08-24 | Open-market buy | 12,269 | $4.47 | 115,743,123 |
| 2012-08-23 | Open-market buy | 3,550 | $4.37 | 115,699,504 |
| 2012-08-23 | Open-market buy | 1,100 | $4.37 | 115,695,954 |
| 2012-08-23 | Open-market buy | 1,000 | $4.38 | 115,700,504 |
| 2012-08-23 | Open-market buy | 200 | $4.40 | 115,700,704 |
| 2012-08-23 | Open-market buy | 1,900 | $4.40 | 115,702,604 |
| 2012-08-23 | Open-market buy | 1,500 | $4.41 | 115,704,104 |
| 2012-08-23 | Open-market buy | 750 | $4.42 | 115,704,854 |
| 2012-08-23 | Open-market buy | 5,195 | $4.45 | 115,710,049 |
| 2012-08-23 | Open-market buy | 4,805 | $4.46 | 115,714,854 |
| 2012-08-23 | Open-market buy | 50 | $4.53 | 115,727,354 |
| 2012-08-23 | Open-market buy | 2,000 | $4.52 | 115,727,304 |
| 2012-08-23 | Open-market buy | 4,420 | $4.51 | 115,725,304 |
| 2012-08-23 | Open-market buy | 6,030 | $4.50 | 115,720,884 |
| 2012-08-22 | Open-market buy | 2,500 | $4.43 | 115,694,854 |
| 2012-08-22 | Open-market buy | 400 | $4.36 | 115,660,254 |
| 2012-08-22 | Open-market buy | 5,500 | $4.36 | 115,665,754 |
| 2012-08-22 | Open-market buy | 10,100 | $4.37 | 115,675,854 |
| 2012-08-22 | Open-market buy | 2,200 | $4.38 | 115,678,054 |
| 2012-08-22 | Open-market buy | 3,977 | $4.40 | 115,692,354 |
| 2012-08-22 | Open-market buy | 10,323 | $4.39 | 115,688,377 |
| 2012-08-21 | Open-market buy | 3,300 | $4.28 | 115,583,154 |
| 2012-08-21 | Open-market buy | 16,300 | $4.28 | 115,599,454 |
| 2012-08-21 | Open-market buy | 19,300 | $4.29 | 115,618,754 |
| 2012-08-21 | Open-market buy | 12,600 | $4.30 | 115,631,354 |
| 2012-08-21 | Open-market buy | 3,803 | $4.31 | 115,635,157 |
| 2012-08-21 | Open-market buy | 1,686 | $4.32 | 115,636,843 |
| 2012-08-21 | Open-market buy | 2,108 | $4.34 | 115,643,854 |
| 2012-08-21 | Open-market buy | 1,600 | $4.36 | 115,645,454 |
| 2012-08-21 | Open-market buy | 3,300 | $4.36 | 115,648,754 |
| 2012-08-21 | Open-market buy | 300 | $4.37 | 115,649,054 |
| 2012-08-21 | Open-market buy | 10,800 | $4.38 | 115,659,854 |
| 2012-08-21 | Open-market buy | 4,903 | $4.33 | 115,641,746 |
| 2012-08-20 | Open-market buy | 2,500 | $4.33 | 115,535,854 |
| 2012-08-20 | Open-market buy | 6,200 | $4.28 | 115,533,354 |
| 2012-08-20 | Open-market buy | 938 | $4.37 | 115,579,854 |
| 2012-08-20 | Open-market buy | 6,700 | $4.26 | 115,522,154 |
| 2012-08-20 | Open-market buy | 600 | $4.26 | 115,515,454 |
| 2012-08-20 | Open-market buy | 10,300 | $4.34 | 115,546,154 |
| 2012-08-20 | Open-market buy | 20,935 | $4.35 | 115,567,089 |
| 2012-08-20 | Open-market buy | 11,827 | $4.36 | 115,578,916 |
| 2012-08-20 | Open-market buy | 5,000 | $4.27 | 115,527,154 |
| 2012-08-17 | Open-market buy | 9,705 | $4.27 | 115,492,790 |
| 2012-08-17 | Open-market buy | 8,400 | $4.28 | 115,501,190 |
| 2012-08-17 | Open-market buy | 20,798 | $4.25 | 115,472,152 |
| 2012-08-17 | Open-market buy | 11,200 | $4.24 | 115,451,354 |
| 2012-08-17 | Open-market buy | 5,064 | $4.29 | 115,506,254 |
| 2012-08-17 | Open-market buy | 300 | $4.24 | 115,440,154 |
| 2012-08-17 | Open-market buy | 10,933 | $4.26 | 115,483,085 |
| 2012-08-17 | Open-market buy | 1,100 | $4.30 | 115,507,354 |
| 2012-08-17 | Open-market buy | 5,000 | $4.31 | 115,512,354 |
| 2012-08-17 | Open-market buy | 872 | $4.34 | 115,513,226 |
| 2012-08-17 | Open-market buy | 1,628 | $4.34 | 115,514,854 |
| 2012-08-16 | Open-market buy | 13,400 | $4.16 | 115,393,254 |
| 2012-08-16 | Open-market buy | 3,400 | $4.18 | 115,396,854 |
| 2012-08-16 | Open-market buy | 200 | $4.18 | 115,393,454 |
| 2012-08-16 | Open-market buy | 3,700 | $4.19 | 115,400,554 |
| 2012-08-16 | Open-market buy | 2,800 | $4.20 | 115,403,354 |
| 2012-08-16 | Open-market buy | 3,603 | $4.23 | 115,406,957 |
| 2012-08-16 | Open-market buy | 1,397 | $4.24 | 115,408,354 |
| 2012-08-16 | Open-market buy | 3,366 | $4.25 | 115,411,720 |
| 2012-08-16 | Open-market buy | 8,495 | $4.26 | 115,420,215 |
| 2012-08-16 | Open-market buy | 132 | $4.30 | 115,439,854 |
| 2012-08-16 | Open-market buy | 4,517 | $4.29 | 115,439,722 |
| 2012-08-16 | Open-market buy | 7,662 | $4.28 | 115,435,205 |
| 2012-08-16 | Open-market buy | 7,328 | $4.27 | 115,427,543 |
| 2012-08-15 | Open-market buy | 31,100 | $4.20 | 115,379,854 |
| 2012-08-15 | Open-market buy | 6,400 | $4.19 | 115,348,754 |
| 2012-08-15 | Open-market buy | 2,500 | $4.18 | 115,342,354 |
| 2012-08-14 | Open-market buy | 2,900 | $4.19 | 115,332,854 |
| 2012-08-14 | Open-market buy | 4,014 | $4.21 | 115,337,868 |
| 2012-08-14 | Open-market buy | 1,000 | $4.20 | 115,333,854 |
| 2012-08-14 | Open-market buy | 1,986 | $4.22 | 115,339,854 |
| 2012-08-14 | Open-market buy | 17,400 | $4.18 | 115,329,954 |
| 2012-08-14 | Open-market buy | 17,300 | $4.17 | 115,312,554 |
| 2012-08-14 | Open-market buy | 400 | $4.17 | 115,295,254 |
| 2012-08-13 | Open-market buy | 15,007 | $4.23 | 115,287,891 |
| 2012-08-13 | Open-market buy | 14,030 | $4.22 | 115,272,884 |
| 2012-08-13 | Open-market buy | 5,463 | $4.24 | 115,293,354 |
| 2012-08-13 | Open-market buy | 11,300 | $4.21 | 115,258,854 |
| 2012-08-13 | Open-market buy | 1,500 | $4.25 | 115,294,854 |
| 2012-08-13 | Open-market buy | 500 | $4.20 | 115,235,354 |
| 2012-08-13 | Open-market buy | 12,200 | $4.20 | 115,247,554 |
| 2012-08-10 | Open-market buy | 4,300 | $4.22 | 115,147,654 |
| 2012-08-10 | Open-market buy | 22,960 | $4.25 | 115,221,454 |
| 2012-08-10 | Open-market buy | 8,400 | $4.21 | 115,143,354 |
| 2012-08-10 | Open-market buy | 13,700 | $4.23 | 115,161,354 |
| 2012-08-10 | Open-market buy | 100 | $4.21 | 115,134,954 |
| 2012-08-10 | Open-market buy | 37,140 | $4.24 | 115,198,494 |
| 2012-08-10 | Open-market buy | 3,811 | $4.27 | 115,234,854 |
| 2012-08-10 | Open-market buy | 9,589 | $4.26 | 115,231,043 |
| 2012-08-09 | Open-market buy | 2,700 | $4.27 | 115,129,398 |
| 2012-08-09 | Open-market buy | 22,520 | $4.24 | 115,110,757 |
| 2012-08-09 | Open-market buy | 13,241 | $4.25 | 115,123,998 |
| 2012-08-09 | Open-market buy | 1,000 | $4.23 | 115,065,854 |
| 2012-08-09 | Open-market buy | 22,383 | $4.23 | 115,088,237 |
| 2012-08-09 | Open-market buy | 2,700 | $4.26 | 115,126,698 |
| 2012-08-09 | Open-market buy | 3,756 | $4.29 | 115,134,854 |
| 2012-08-09 | Open-market buy | 1,700 | $4.28 | 115,131,098 |
| 2012-08-08 | Open-market buy | 100 | $4.24 | 115,017,454 |
| 2012-08-08 | Open-market buy | 12,000 | $4.24 | 115,029,454 |
| 2012-08-08 | Open-market buy | 22,800 | $4.25 | 115,052,254 |
| 2012-08-08 | Open-market buy | 591 | $4.27 | 115,064,854 |
| 2012-08-08 | Open-market buy | 12,009 | $4.26 | 115,064,263 |
| 2012-08-07 | Open-market buy | 13,500 | $4.29 | 115,016,354 |
| 2012-08-07 | Open-market buy | 7,589 | $4.28 | 115,002,854 |
| 2012-08-07 | Open-market buy | 8,900 | $4.27 | 114,995,265 |
| 2012-08-07 | Open-market buy | 16,311 | $4.26 | 114,986,365 |
| 2012-08-07 | Open-market buy | 1,000 | $4.32 | 115,017,354 |
| 2012-08-07 | Open-market buy | 2,700 | $4.26 | 114,970,054 |
| 2012-08-06 | Open-market buy | 21,130 | $4.28 | 114,898,314 |
| 2012-08-06 | Open-market buy | 46,434 | $4.30 | 114,967,354 |
| 2012-08-06 | Open-market buy | 800 | $4.27 | 114,853,154 |
| 2012-08-06 | Open-market buy | 24,030 | $4.27 | 114,877,184 |
| 2012-08-06 | Open-market buy | 22,606 | $4.29 | 114,920,920 |
| 2012-08-03 | Open-market buy | 5,300 | $4.25 | 114,797,654 |
| 2012-08-03 | Open-market buy | 2,000 | $4.28 | 114,806,454 |
| 2012-08-03 | Open-market buy | 31,591 | $4.28 | 114,838,045 |
| 2012-08-03 | Open-market buy | 14,309 | $4.29 | 114,852,354 |
| 2012-08-03 | Open-market buy | 6,800 | $4.26 | 114,804,454 |
| 2012-08-02 | Open-market buy | 4,200 | $4.16 | 114,792,354 |
| 2012-08-02 | Open-market buy | 2,600 | $4.15 | 114,788,154 |
| 2012-08-02 | Open-market buy | 5,200 | $4.13 | 114,782,854 |
| 2012-08-02 | Open-market buy | 29,901 | $4.12 | 114,777,654 |
| 2012-08-02 | Open-market buy | 2,700 | $4.14 | 114,785,554 |
| 2012-08-02 | Open-market buy | 40,299 | $4.11 | 114,747,753 |
| 2012-08-02 | Open-market buy | 7,810 | $4.10 | 114,707,454 |
| 2012-08-02 | Open-market buy | 7,290 | $4.09 | 114,699,644 |
| 2012-08-01 | Open-market buy | 8,788 | $4.08 | 114,520,736 |
| 2012-08-01 | Open-market buy | 6,900 | $4.12 | 114,652,354 |
| 2012-08-01 | Open-market buy | 9,100 | $4.13 | 114,661,454 |
| 2012-08-01 | Open-market buy | 3,100 | $4.11 | 114,645,454 |
| 2012-08-01 | Open-market buy | 30,262 | $4.10 | 114,642,354 |
| 2012-08-01 | Open-market buy | 91,356 | $4.09 | 114,612,092 |
| 2012-08-01 | Open-market buy | 5,900 | $4.14 | 114,667,354 |
| 2012-08-01 | Open-market buy | 15,514 | $4.07 | 114,511,948 |
| 2012-08-01 | Open-market buy | 4,080 | $4.07 | 114,496,434 |
| 2012-08-01 | Open-market buy | 5,900 | $4.17 | 114,692,354 |
| 2012-08-01 | Open-market buy | 4,200 | $4.16 | 114,686,454 |
| 2012-08-01 | Open-market buy | 14,900 | $4.15 | 114,682,254 |
| 2012-07-31 | Open-market buy | 50,012 | $4.23 | 114,442,566 |
| 2012-07-31 | Open-market buy | 200 | $4.23 | 114,392,554 |
| 2012-07-31 | Open-market buy | 20,000 | $4.26 | 114,492,354 |
| 2012-07-31 | Open-market buy | 20,488 | $4.24 | 114,463,054 |
| 2012-07-31 | Open-market buy | 9,300 | $4.25 | 114,472,354 |
| 2012-07-30 | Open-market buy | 2,505 | $4.35 | 114,383,859 |
| 2012-07-30 | Open-market buy | 12,500 | $4.28 | 114,332,354 |
| 2012-07-30 | Open-market buy | 27,500 | $4.27 | 114,319,854 |
| 2012-07-30 | Open-market buy | 2,500 | $4.37 | 114,392,354 |
| 2012-07-30 | Open-market buy | 5,995 | $4.36 | 114,389,854 |
| 2012-07-30 | Open-market buy | 14,900 | $4.29 | 114,347,254 |
| 2012-07-30 | Open-market buy | 6,600 | $4.33 | 114,381,354 |
| 2012-07-30 | Open-market buy | 12,400 | $4.32 | 114,374,754 |
| 2012-07-30 | Open-market buy | 2,500 | $4.31 | 114,362,354 |
| 2012-07-30 | Open-market buy | 12,600 | $4.30 | 114,359,854 |
| 2012-07-27 | Open-market buy | 3,100 | $4.24 | 114,199,854 |
| 2012-07-27 | Open-market buy | 4,400 | $4.23 | 114,196,754 |
| 2012-07-27 | Open-market buy | 2,293 | $4.41 | 114,292,354 |
| 2012-07-27 | Open-market buy | 10,248 | $4.38 | 114,234,902 |
| 2012-07-27 | Open-market buy | 5,000 | $4.37 | 114,224,654 |
| 2012-07-27 | Open-market buy | 11,850 | $4.36 | 114,219,654 |
| 2012-07-27 | Open-market buy | 27,688 | $4.39 | 114,262,590 |
| 2012-07-27 | Open-market buy | 900 | $4.30 | 114,200,754 |
| 2012-07-27 | Open-market buy | 4,150 | $4.30 | 114,204,904 |
| 2012-07-27 | Open-market buy | 2,450 | $4.31 | 114,207,354 |
| 2012-07-27 | Open-market buy | 400 | $4.32 | 114,207,754 |
| 2012-07-27 | Open-market buy | 50 | $4.36 | 114,207,804 |
| 2012-07-27 | Open-market buy | 27,471 | $4.40 | 114,290,061 |
| 2012-07-26 | Open-market buy | 4,800 | $4.34 | 114,135,793 |
| 2012-07-26 | Open-market buy | 6,528 | $4.33 | 114,130,993 |
| 2012-07-26 | Open-market buy | 35,685 | $4.32 | 114,124,465 |
| 2012-07-26 | Open-market buy | 41,275 | $4.31 | 114,088,780 |
| 2012-07-26 | Open-market buy | 14,656 | $4.30 | 114,047,505 |
| 2012-07-26 | Open-market buy | 14,420 | $4.29 | 114,032,849 |
| 2012-07-26 | Open-market buy | 3,100 | $4.27 | 114,016,529 |
| 2012-07-26 | Open-market buy | 6,075 | $4.26 | 114,013,429 |
| 2012-07-26 | Open-market buy | 2,197 | $4.42 | 114,192,354 |
| 2012-07-26 | Open-market buy | 5,823 | $4.41 | 114,190,157 |
| 2012-07-26 | Open-market buy | 11,700 | $4.35 | 114,147,493 |
| 2012-07-26 | Open-market buy | 6,200 | $4.36 | 114,153,693 |
| 2012-07-26 | Open-market buy | 7,480 | $4.37 | 114,161,173 |
| 2012-07-26 | Open-market buy | 2,900 | $4.38 | 114,164,073 |
| 2012-07-26 | Open-market buy | 9,900 | $4.39 | 114,173,973 |
| 2012-07-26 | Open-market buy | 10,361 | $4.40 | 114,184,334 |
| 2012-07-26 | Open-market buy | 1,900 | $4.28 | 114,018,429 |
| 2012-07-25 | Open-market buy | 2,900 | $4.42 | 114,002,154 |
| 2012-07-25 | Open-market buy | 100 | $4.38 | 113,942,454 |
| 2012-07-25 | Open-market buy | 10,249 | $4.38 | 113,952,703 |
| 2012-07-25 | Open-market buy | 5,300 | $4.39 | 113,958,003 |
| 2012-07-25 | Open-market buy | 100 | $4.40 | 113,958,103 |
| 2012-07-25 | Open-market buy | 34,251 | $4.40 | 113,992,354 |
| 2012-07-25 | Open-market buy | 6,900 | $4.41 | 113,999,254 |
| 2012-07-25 | Open-market buy | 1,200 | $4.44 | 114,007,354 |
| 2012-07-25 | Open-market buy | 3,700 | $4.43 | 114,006,154 |
| 2012-07-25 | Open-market buy | 300 | $4.43 | 114,002,454 |
| 2012-07-23 | Open-market buy | 34,900 | $4.47 | 113,937,354 |
| 2012-07-23 | Open-market buy | 5,000 | $4.49 | 113,942,354 |
| 2012-07-23 | Open-market buy | 100 | $4.47 | 113,902,454 |
| 2012-07-20 | Open-market buy | 30,000 | $4.50 | 113,902,354 |
| 2012-07-19 | Open-market buy | 25,000 | $4.61 | 113,872,354 |
| 2012-07-18 | Open-market buy | 4,600 | $4.67 | 113,847,354 |
| 2012-07-18 | Open-market buy | 3,500 | $4.62 | 113,818,354 |
| 2012-07-18 | Open-market buy | 14,000 | $4.62 | 113,832,354 |
| 2012-07-18 | Open-market buy | 600 | $4.65 | 113,832,954 |
| 2012-07-18 | Open-market buy | 3,400 | $4.66 | 113,842,754 |
| 2012-07-18 | Open-market buy | 6,400 | $4.65 | 113,839,354 |
| 2012-07-17 | Open-market buy | 33,260 | $4.58 | 113,796,314 |
| 2012-07-17 | Open-market buy | 3,000 | $4.61 | 113,814,754 |
| 2012-07-17 | Open-market buy | 5,940 | $4.60 | 113,811,754 |
| 2012-07-17 | Open-market buy | 9,500 | $4.59 | 113,805,814 |
| 2012-07-17 | Open-market buy | 100 | $4.62 | 113,814,854 |
| 2012-07-17 | Open-market buy | 13,699 | $4.57 | 113,763,054 |
| 2012-07-17 | Open-market buy | 4,501 | $4.56 | 113,749,355 |
| 2012-07-17 | Open-market buy | 15,000 | $4.55 | 113,744,854 |
| 2012-07-13 | Open-market buy | 36,277 | $4.61 | 113,722,931 |
| 2012-07-13 | Open-market buy | 1,800 | $4.61 | 113,686,654 |
| 2012-07-13 | Open-market buy | 6,923 | $4.62 | 113,729,854 |
| 2012-07-12 | Open-market buy | 1,700 | $4.56 | 113,656,554 |
| 2012-07-12 | Open-market buy | 1,000 | $4.58 | 113,663,354 |
| 2012-07-12 | Open-market buy | 3,500 | $4.59 | 113,666,854 |
| 2012-07-12 | Open-market buy | 4,800 | $4.63 | 113,684,854 |
| 2012-07-12 | Open-market buy | 5,800 | $4.56 | 113,662,354 |
| 2012-07-12 | Open-market buy | 500 | $4.60 | 113,667,354 |
| 2012-07-12 | Open-market buy | 900 | $4.62 | 113,668,254 |
| 2012-07-12 | Open-market buy | 11,800 | $4.62 | 113,680,054 |
| 2012-07-11 | Open-market buy | 19,000 | $4.61 | 113,645,454 |
| 2012-07-11 | Open-market buy | 2,500 | $4.60 | 113,626,454 |
| 2012-07-11 | Open-market buy | 8,300 | $4.59 | 113,623,954 |
| 2012-07-11 | Open-market buy | 800 | $4.59 | 113,615,654 |
| 2012-07-11 | Open-market buy | 700 | $4.57 | 113,614,854 |
| 2012-07-11 | Open-market buy | 9,500 | $4.56 | 113,614,154 |
| 2012-07-11 | Open-market buy | 12,797 | $4.55 | 113,604,654 |
| 2012-07-11 | Open-market buy | 2,400 | $4.54 | 113,591,857 |
| 2012-07-11 | Open-market buy | 6,903 | $4.53 | 113,589,457 |
| 2012-07-11 | Open-market buy | 200 | $4.53 | 113,582,554 |
| 2012-07-11 | Open-market buy | 1,578 | $4.51 | 113,582,354 |
| 2012-07-11 | Open-market buy | 10,122 | $4.50 | 113,580,776 |
| 2012-07-11 | Open-market buy | 4,100 | $4.49 | 113,570,654 |
| 2012-07-11 | Open-market buy | 3,700 | $4.48 | 113,566,554 |
| 2012-07-11 | Open-market buy | 500 | $4.48 | 113,562,854 |
| 2012-07-11 | Open-market buy | 400 | $4.63 | 113,654,854 |
| 2012-07-11 | Open-market buy | 9,000 | $4.62 | 113,654,454 |
| 2012-07-10 | Open-market buy | 18,305 | $4.62 | 113,559,766 |
| 2012-07-10 | Open-market buy | 1,613 | $4.60 | 113,473,967 |
| 2012-07-10 | Open-market buy | 43,487 | $4.60 | 113,517,454 |
| 2012-07-10 | Open-market buy | 24,007 | $4.61 | 113,541,461 |
| 2012-07-10 | Open-market buy | 2,588 | $4.63 | 113,562,354 |
| 2012-07-09 | Open-market buy | 15,000 | $4.66 | 113,467,354 |
| 2012-07-09 | Open-market buy | 1,100 | $4.68 | 113,468,454 |
| 2012-07-09 | Open-market buy | 3,900 | $4.68 | 113,472,354 |
| 2012-07-09 | Open-market buy | 22,400 | $4.62 | 113,452,354 |
| 2012-07-09 | Open-market buy | 2,600 | $4.61 | 113,429,954 |
| 2012-07-06 | Open-market buy | 10,767 | $4.72 | 113,417,528 |
| 2012-07-06 | Open-market buy | 7,407 | $4.71 | 113,406,761 |
| 2012-07-06 | Open-market buy | 10,900 | $4.70 | 113,399,354 |
| 2012-07-06 | Open-market buy | 8,800 | $4.68 | 113,363,654 |
| 2012-07-06 | Open-market buy | 13,800 | $4.67 | 113,354,854 |
| 2012-07-06 | Open-market buy | 3,700 | $4.67 | 113,341,054 |
| 2012-07-06 | Open-market buy | 6,600 | $4.73 | 113,424,128 |
| 2012-07-06 | Open-market buy | 3,226 | $4.74 | 113,427,354 |
| 2012-07-06 | Open-market buy | 24,800 | $4.69 | 113,388,454 |
| 2012-07-05 | Open-market buy | 11,688 | $4.78 | 113,333,554 |
| 2012-07-05 | Open-market buy | 14,092 | $4.77 | 113,321,866 |
| 2012-07-05 | Open-market buy | 9,220 | $4.76 | 113,307,774 |
| 2012-07-05 | Open-market buy | 3,800 | $4.79 | 113,337,354 |
| 2012-07-05 | Open-market buy | 3,900 | $4.74 | 113,296,783 |
| 2012-07-05 | Open-market buy | 600 | $4.74 | 113,292,883 |
| 2012-07-05 | Open-market buy | 4,929 | $4.71 | 113,292,283 |
| 2012-07-05 | Open-market buy | 1,771 | $4.76 | 113,298,554 |
| 2012-07-03 | Open-market buy | 3,600 | $4.70 | 113,252,454 |
| 2012-07-03 | Open-market buy | 200 | $4.71 | 113,252,654 |
| 2012-07-03 | Open-market buy | 14,700 | $4.71 | 113,267,354 |
| 2012-07-03 | Open-market buy | 16,700 | $4.73 | 113,284,054 |
| 2012-07-03 | Open-market buy | 3,300 | $4.74 | 113,287,354 |
| 2012-07-03 | Open-market buy | 1,800 | $4.68 | 113,244,154 |
| 2012-07-03 | Open-market buy | 4,700 | $4.69 | 113,248,854 |
| 2012-07-02 | Open-market buy | 22,693 | $4.64 | 113,222,747 |
| 2012-07-02 | Open-market buy | 600 | $4.61 | 113,192,954 |
| 2012-07-02 | Open-market buy | 3,680 | $4.69 | 113,242,354 |
| 2012-07-02 | Open-market buy | 8,820 | $4.68 | 113,238,674 |
| 2012-07-02 | Open-market buy | 7,007 | $4.65 | 113,229,854 |
| 2012-07-02 | Open-market buy | 100 | $4.65 | 113,222,847 |
| 2012-07-02 | Open-market buy | 200 | $4.64 | 113,200,054 |
| 2012-07-02 | Open-market buy | 2,500 | $4.62 | 113,199,854 |
| 2012-07-02 | Open-market buy | 4,400 | $4.61 | 113,197,354 |
| 2012-06-29 | Open-market buy | 16,356 | $4.59 | 113,180,830 |
| 2012-06-29 | Open-market buy | 100 | $4.58 | 113,149,954 |
| 2012-06-29 | Open-market buy | 11,524 | $4.60 | 113,192,354 |
| 2012-06-29 | Open-market buy | 14,520 | $4.58 | 113,164,474 |
| 2012-06-28 | Open-market buy | 5,700 | $4.59 | 113,136,254 |
| 2012-06-28 | Open-market buy | 1,200 | $4.59 | 113,130,554 |
| 2012-06-28 | Open-market buy | 5,424 | $4.57 | 113,129,354 |
| 2012-06-28 | Open-market buy | 19,504 | $4.56 | 113,123,930 |
| 2012-06-28 | Open-market buy | 1,000 | $4.61 | 113,149,854 |
| 2012-06-28 | Open-market buy | 7,400 | $4.54 | 113,095,054 |
| 2012-06-28 | Open-market buy | 500 | $4.54 | 113,087,654 |
| 2012-06-28 | Open-market buy | 11,727 | $4.52 | 113,087,154 |
| 2012-06-28 | Open-market buy | 3,073 | $4.52 | 113,075,427 |
| 2012-06-28 | Open-market buy | 12,600 | $4.60 | 113,148,854 |
| 2012-06-28 | Open-market buy | 9,372 | $4.55 | 113,104,426 |
| 2012-06-27 | Open-market buy | 1,400 | $4.63 | 113,071,154 |
| 2012-06-27 | Open-market buy | 1,200 | $4.64 | 113,072,354 |
| 2012-06-27 | Open-market buy | 9,200 | $4.59 | 113,069,054 |
| 2012-06-27 | Open-market buy | 700 | $4.62 | 113,069,754 |
| 2012-06-26 | Open-market buy | 1,710 | $4.63 | 113,059,854 |
| 2012-06-26 | Open-market buy | 4,810 | $4.62 | 113,058,144 |
| 2012-06-26 | Open-market buy | 10,880 | $4.61 | 113,053,334 |
| 2012-06-26 | Open-market buy | 100 | $4.61 | 113,042,454 |
| 2012-06-25 | Open-market buy | 5,000 | $4.61 | 113,034,854 |
| 2012-06-25 | Open-market buy | 7,500 | $4.63 | 113,042,354 |
| 2012-06-22 | Open-market buy | 1,000 | $4.55 | 113,005,854 |
| 2012-06-22 | Open-market buy | 5,000 | $4.53 | 113,004,854 |
| 2012-06-22 | Open-market buy | 600 | $4.57 | 113,006,454 |
| 2012-06-22 | Open-market buy | 3,500 | $4.58 | 113,012,354 |
| 2012-06-22 | Open-market buy | 3,300 | $4.59 | 113,015,654 |
| 2012-06-22 | Open-market buy | 14,200 | $4.60 | 113,029,854 |
| 2012-06-22 | Open-market buy | 2,400 | $4.57 | 113,008,854 |
| 2012-06-19 | Open-market buy | 300 | $4.47 | 112,979,854 |
| 2012-06-19 | Open-market buy | 4,400 | $4.52 | 112,994,854 |
| 2012-06-19 | Open-market buy | 600 | $4.51 | 112,990,454 |
| 2012-06-19 | Open-market buy | 10,000 | $4.50 | 112,989,854 |
| 2012-06-19 | Open-market buy | 5,000 | $4.53 | 112,999,854 |
| 2012-06-19 | Open-market buy | 7,200 | $4.46 | 112,979,554 |
| 2012-06-19 | Open-market buy | 26,150 | $4.43 | 112,972,354 |
| 2012-06-19 | Open-market buy | 8,400 | $4.43 | 112,946,204 |
| 2012-06-19 | Open-market buy | 15,450 | $4.41 | 112,937,804 |
| 2012-06-18 | Open-market buy | 19,256 | $4.50 | 112,902,354 |
| 2012-06-18 | Open-market buy | 10,190 | $4.52 | 112,915,194 |
| 2012-06-18 | Open-market buy | 2,650 | $4.51 | 112,905,004 |
| 2012-06-18 | Open-market buy | 7,160 | $4.53 | 112,922,354 |
| 2012-06-18 | Open-market buy | 5,744 | $4.49 | 112,883,098 |
| 2012-06-18 | Open-market buy | 19,200 | $4.48 | 112,877,354 |
| 2012-06-18 | Open-market buy | 800 | $4.48 | 112,858,154 |
| 2012-06-15 | Open-market buy | 61,800 | $4.57 | 112,719,954 |
| 2012-06-15 | Open-market buy | 800 | $4.57 | 112,658,154 |
| 2012-06-15 | Open-market buy | 55,180 | $4.58 | 112,775,134 |
| 2012-06-15 | Open-market buy | 36,720 | $4.60 | 112,829,854 |
| 2012-06-15 | Open-market buy | 10,000 | $4.63 | 112,839,854 |
| 2012-06-15 | Open-market buy | 13,500 | $4.64 | 112,853,354 |
| 2012-06-15 | Open-market buy | 18,000 | $4.59 | 112,793,134 |
| 2012-06-15 | Open-market buy | 4,000 | $4.65 | 112,857,354 |
| 2012-06-14 | Open-market buy | 4,462 | $4.68 | 112,625,054 |
| 2012-06-14 | Open-market buy | 2,300 | $4.64 | 112,574,654 |
| 2012-06-14 | Open-market buy | 900 | $4.74 | 112,650,754 |
| 2012-06-14 | Open-market buy | 5,800 | $4.71 | 112,649,854 |
| 2012-06-14 | Open-market buy | 11,693 | $4.70 | 112,644,054 |
| 2012-06-14 | Open-market buy | 7,307 | $4.69 | 112,632,361 |
| 2012-06-14 | Open-market buy | 6,600 | $4.74 | 112,657,354 |
| 2012-06-14 | Open-market buy | 15,138 | $4.67 | 112,620,592 |
| 2012-06-14 | Open-market buy | 8,100 | $4.66 | 112,605,454 |
| 2012-06-14 | Open-market buy | 22,700 | $4.65 | 112,597,354 |
| 2012-06-13 | Open-market buy | 8,100 | $4.80 | 112,567,254 |
| 2012-06-13 | Open-market buy | 8,900 | $4.79 | 112,559,154 |
| 2012-06-13 | Open-market buy | 500 | $4.79 | 112,550,254 |
| 2012-06-13 | Open-market buy | 300 | $4.77 | 112,549,754 |
| 2012-06-13 | Open-market buy | 2,380 | $4.83 | 112,569,734 |
| 2012-06-13 | Open-market buy | 7,040 | $4.75 | 112,546,394 |
| 2012-06-13 | Open-market buy | 2,000 | $4.74 | 112,539,354 |
| 2012-06-13 | Open-market buy | 2,620 | $4.84 | 112,572,354 |
| 2012-06-13 | Open-market buy | 100 | $4.81 | 112,567,354 |
| 2012-06-13 | Open-market buy | 3,060 | $4.76 | 112,549,454 |
| 2012-06-12 | Open-market buy | 1,900 | $4.76 | 112,537,354 |
| 2012-06-12 | Open-market buy | 200 | $4.75 | 112,532,554 |
| 2012-06-12 | Open-market buy | 2,900 | $4.75 | 112,535,454 |
| 2012-06-11 | Open-market buy | 1,600 | $4.74 | 112,491,454 |
| 2012-06-11 | Open-market buy | 4,564 | $4.75 | 112,503,389 |
| 2012-06-11 | Open-market buy | 7,371 | $4.74 | 112,498,825 |
| 2012-06-11 | Open-market buy | 8,965 | $4.76 | 112,512,354 |
| 2012-06-11 | Open-market buy | 2,000 | $4.78 | 112,514,354 |
| 2012-06-11 | Open-market buy | 3,800 | $4.79 | 112,518,154 |
| 2012-06-11 | Open-market buy | 14,200 | $4.80 | 112,532,354 |
| 2012-06-08 | Open-market buy | 3,600 | $4.72 | 112,480,954 |
| 2012-06-08 | Open-market buy | 4,500 | $4.67 | 112,469,354 |
| 2012-06-08 | Open-market buy | 5,500 | $4.68 | 112,474,854 |
| 2012-06-08 | Open-market buy | 5,000 | $4.75 | 112,489,854 |
| 2012-06-08 | Open-market buy | 100 | $4.74 | 112,484,854 |
| 2012-06-08 | Open-market buy | 3,800 | $4.73 | 112,484,754 |
| 2012-06-08 | Open-market buy | 2,500 | $4.71 | 112,477,354 |
| 2012-06-07 | Open-market buy | 13,800 | $4.56 | 112,434,854 |
| 2012-06-07 | Open-market buy | 12,040 | $4.58 | 112,446,894 |
| 2012-06-07 | Open-market buy | 2,960 | $4.59 | 112,449,854 |
| 2012-06-07 | Open-market buy | 900 | $4.61 | 112,450,754 |
| 2012-06-07 | Open-market buy | 1,200 | $4.56 | 112,421,054 |
| 2012-06-07 | Open-market buy | 2,500 | $4.62 | 112,459,854 |
| 2012-06-07 | Open-market buy | 3,717 | $4.64 | 112,463,571 |
| 2012-06-07 | Open-market buy | 6,600 | $4.61 | 112,457,354 |
| 2012-06-07 | Open-market buy | 1,283 | $4.65 | 112,464,854 |
| 2012-06-05 | Open-market buy | 2,060 | $4.50 | 112,409,253 |
| 2012-06-05 | Open-market buy | 10,601 | $4.51 | 112,419,854 |
| 2012-06-05 | Open-market buy | 8,906 | $4.49 | 112,407,193 |
| 2012-06-05 | Open-market buy | 5,933 | $4.48 | 112,398,287 |
| 2012-06-04 | Open-market buy | 100 | $4.49 | 112,377,454 |
| 2012-06-04 | Open-market buy | 4,300 | $4.47 | 112,377,354 |
| 2012-06-04 | Open-market buy | 700 | $4.47 | 112,373,054 |
| 2012-06-04 | Open-market buy | 5,500 | $4.49 | 112,382,954 |
| 2012-06-04 | Open-market buy | 5,100 | $4.50 | 112,388,054 |
| 2012-06-04 | Open-market buy | 4,300 | $4.51 | 112,392,354 |
| 2012-06-01 | Open-market buy | 10,000 | $4.52 | 112,372,354 |
| 2012-06-01 | Open-market buy | 2,200 | $4.47 | 112,344,554 |
| 2012-06-01 | Open-market buy | 10,600 | $4.48 | 112,355,154 |
| 2012-06-01 | Open-market buy | 7,200 | $4.49 | 112,362,354 |
| 2012-05-31 | Open-market buy | 29,159 | $4.60 | 112,277,993 |
| 2012-05-31 | Open-market buy | 5,900 | $4.65 | 112,326,454 |
| 2012-05-31 | Open-market buy | 8,200 | $4.64 | 112,320,554 |
| 2012-05-31 | Open-market buy | 11,662 | $4.62 | 112,312,354 |
| 2012-05-31 | Open-market buy | 22,699 | $4.61 | 112,300,692 |
| 2012-05-31 | Open-market buy | 15,900 | $4.66 | 112,342,354 |
| 2012-05-31 | Open-market buy | 4,056 | $4.59 | 112,248,834 |
| 2012-05-31 | Open-market buy | 6,284 | $4.58 | 112,244,778 |
| 2012-05-31 | Open-market buy | 500 | $4.58 | 112,238,494 |
| 2012-05-31 | Open-market buy | 5,640 | $4.56 | 112,237,994 |
| 2012-05-30 | Open-market buy | 5,000 | $4.66 | 112,217,354 |
| 2012-05-30 | Open-market buy | 14,700 | $4.62 | 112,212,354 |
| 2012-05-30 | Open-market buy | 300 | $4.62 | 112,197,654 |
| 2012-05-30 | Open-market buy | 2,100 | $4.70 | 112,232,354 |
| 2012-05-30 | Open-market buy | 12,900 | $4.68 | 112,230,254 |
| 2012-05-25 | Open-market buy | 1,900 | $4.83 | 112,197,354 |
| 2012-05-25 | Open-market buy | 13,100 | $4.79 | 112,195,454 |
| 2012-05-24 | Open-market buy | 9,400 | $4.76 | 112,177,354 |
| 2012-05-24 | Open-market buy | 5,000 | $4.78 | 112,182,354 |
| 2012-05-24 | Open-market buy | 600 | $4.76 | 112,167,954 |
| 2012-05-24 | Open-market buy | 10,000 | $4.68 | 112,167,354 |
| 2012-05-23 | Open-market buy | 9,400 | $4.62 | 112,157,354 |
| 2012-05-23 | Open-market buy | 600 | $4.62 | 112,147,954 |
| 2012-05-23 | Open-market buy | 9,600 | $4.56 | 112,147,354 |
| 2012-05-23 | Open-market buy | 400 | $4.56 | 112,137,754 |
| 2012-05-22 | Open-market buy | 1,140 | $4.62 | 112,137,354 |
| 2012-05-22 | Open-market buy | 9,500 | $4.60 | 112,126,854 |
| 2012-05-22 | Open-market buy | 9,360 | $4.61 | 112,136,214 |
| 2012-05-21 | Open-market buy | 200 | $4.54 | 112,116,854 |
| 2012-05-21 | Open-market buy | 12,200 | $4.53 | 112,116,654 |
| 2012-05-21 | Open-market buy | 500 | $4.55 | 112,117,354 |
| 2012-05-21 | Open-market buy | 7,100 | $4.52 | 112,104,454 |
| 2012-05-18 | Open-market buy | 9,273 | $4.56 | 112,097,354 |
| 2012-05-18 | Open-market buy | 20,727 | $4.50 | 112,088,081 |
| 2012-05-18 | Open-market buy | 9,400 | $4.46 | 112,067,354 |
| 2012-05-18 | Open-market buy | 600 | $4.46 | 112,057,954 |
| 2012-05-17 | Open-market buy | 14,109 | $4.47 | 111,998,263 |
| 2012-05-17 | Open-market buy | 9,697 | $4.48 | 112,007,960 |
| 2012-05-17 | Open-market buy | 7,031 | $4.49 | 112,014,991 |
| 2012-05-17 | Open-market buy | 6,000 | $4.50 | 112,020,991 |
| 2012-05-17 | Open-market buy | 5,000 | $4.53 | 112,057,354 |
| 2012-05-17 | Open-market buy | 17,800 | $4.51 | 112,038,791 |
| 2012-05-17 | Open-market buy | 13,563 | $4.52 | 112,052,354 |
| 2012-05-17 | Open-market buy | 11,300 | $4.46 | 111,984,154 |
| 2012-05-16 | Open-market buy | 489 | $4.63 | 111,972,854 |
| 2012-05-16 | Open-market buy | 12,900 | $4.62 | 111,972,365 |
| 2012-05-16 | Open-market buy | 3,100 | $4.61 | 111,959,465 |
| 2012-05-16 | Open-market buy | 10,611 | $4.60 | 111,956,365 |
| 2012-05-16 | Open-market buy | 800 | $4.59 | 111,945,754 |
| 2012-05-16 | Open-market buy | 2,100 | $4.58 | 111,944,954 |
| 2012-05-15 | Open-market buy | 6,338 | $4.63 | 111,931,421 |
| 2012-05-15 | Open-market buy | 7,927 | $4.57 | 111,854,937 |
| 2012-05-15 | Open-market buy | 13,856 | $4.56 | 111,847,010 |
| 2012-05-15 | Open-market buy | 300 | $4.56 | 111,833,154 |
| 2012-05-15 | Open-market buy | 11,433 | $4.64 | 111,942,854 |
| 2012-05-15 | Open-market buy | 17,733 | $4.58 | 111,872,670 |
| 2012-05-15 | Open-market buy | 11,170 | $4.62 | 111,925,083 |
| 2012-05-15 | Open-market buy | 5,445 | $4.61 | 111,913,913 |
| 2012-05-15 | Open-market buy | 19,258 | $4.60 | 111,908,468 |
| 2012-05-15 | Open-market buy | 16,540 | $4.59 | 111,889,210 |
| 2012-05-14 | Open-market buy | 100 | $4.51 | 111,732,954 |
| 2012-05-14 | Open-market buy | 15,242 | $4.60 | 111,832,854 |
| 2012-05-14 | Open-market buy | 22,300 | $4.59 | 111,817,612 |
| 2012-05-14 | Open-market buy | 40,858 | $4.58 | 111,795,312 |
| 2012-05-14 | Open-market buy | 1,600 | $4.58 | 111,754,454 |
| 2012-05-14 | Open-market buy | 9,900 | $4.51 | 111,742,854 |
| 2012-05-14 | Open-market buy | 10,000 | $4.55 | 111,752,854 |
| 2012-05-11 | Open-market buy | 11,329 | $4.55 | 111,732,854 |
| 2012-05-11 | Open-market buy | 11,180 | $4.50 | 111,645,159 |
| 2012-05-11 | Open-market buy | 18,795 | $4.51 | 111,663,954 |
| 2012-05-11 | Open-market buy | 30,175 | $4.52 | 111,694,129 |
| 2012-05-11 | Open-market buy | 13,536 | $4.53 | 111,707,665 |
| 2012-05-11 | Open-market buy | 1,125 | $4.49 | 111,633,979 |
| 2012-05-11 | Open-market buy | 13,860 | $4.54 | 111,721,525 |
| 2012-05-10 | Open-market buy | 82,778 | $4.50 | 111,632,854 |
| 2012-05-10 | Open-market buy | 3,900 | $4.49 | 111,550,076 |
| 2012-05-10 | Open-market buy | 10,822 | $4.48 | 111,546,176 |
| 2012-05-10 | Open-market buy | 2,500 | $4.47 | 111,535,354 |
| 2012-05-09 | Open-market buy | 2,165 | $4.45 | 111,532,854 |
| 2012-05-09 | Open-market buy | 735 | $4.43 | 111,523,589 |
| 2012-05-09 | Open-market buy | 3,200 | $4.44 | 111,530,689 |
| 2012-05-09 | Open-market buy | 3,900 | $4.43 | 111,527,489 |
| 2012-05-08 | Open-market buy | 2,900 | $4.44 | 111,507,054 |
| 2012-05-08 | Open-market buy | 9,100 | $4.45 | 111,516,154 |
| 2012-05-08 | Open-market buy | 6,700 | $4.46 | 111,522,854 |
| 2012-05-08 | Open-market buy | 1,300 | $4.43 | 111,504,154 |
| 2012-05-08 | Open-market buy | 2,000 | $4.41 | 111,494,854 |
| 2012-05-08 | Open-market buy | 8,000 | $4.41 | 111,502,854 |
| 2012-05-04 | Open-market buy | 3,900 | $4.54 | 111,486,499 |
| 2012-05-04 | Open-market buy | 4,218 | $4.48 | 111,462,854 |
| 2012-05-04 | Open-market buy | 3,600 | $4.49 | 111,466,454 |
| 2012-05-04 | Open-market buy | 2,500 | $4.50 | 111,468,954 |
| 2012-05-04 | Open-market buy | 1,900 | $4.51 | 111,470,854 |
| 2012-05-04 | Open-market buy | 2,000 | $4.52 | 111,472,854 |
| 2012-05-04 | Open-market buy | 6,355 | $4.55 | 111,492,854 |
| 2012-05-04 | Open-market buy | 15,782 | $4.47 | 111,458,636 |
| 2012-05-04 | Open-market buy | 9,745 | $4.53 | 111,482,599 |
| 2012-05-02 | Open-market buy | 36,018 | $4.70 | 111,442,854 |
| 2012-05-02 | Open-market buy | 100 | $4.70 | 111,406,836 |
| 2012-05-02 | Open-market buy | 13,671 | $4.64 | 111,406,736 |
| 2012-05-02 | Open-market buy | 19,403 | $4.63 | 111,393,065 |
| 2012-05-02 | Open-market buy | 10,790 | $4.62 | 111,373,662 |
| 2012-05-02 | Open-market buy | 18 | $4.62 | 111,362,872 |
| 2012-05-01 | Open-market buy | 2,300 | $4.72 | 111,362,854 |
| 2012-05-01 | Open-market buy | 3,500 | $4.66 | 111,334,354 |
| 2012-05-01 | Open-market buy | 16,500 | $4.66 | 111,350,854 |
| 2012-05-01 | Open-market buy | 9,700 | $4.72 | 111,360,554 |
| 2012-04-30 | Open-market buy | 1,408 | $4.80 | 111,330,854 |
| 2012-04-30 | Open-market buy | 5,000 | $4.75 | 111,290,854 |
| 2012-04-30 | Open-market buy | 9,500 | $4.75 | 111,300,354 |
| 2012-04-30 | Open-market buy | 6,260 | $4.76 | 111,306,614 |
| 2012-04-30 | Open-market buy | 8,492 | $4.79 | 111,329,446 |
| 2012-04-30 | Open-market buy | 8,540 | $4.78 | 111,320,954 |
| 2012-04-30 | Open-market buy | 5,800 | $4.77 | 111,312,414 |
| 2012-04-27 | Open-market buy | 3,857 | $4.82 | 111,285,854 |
| 2012-04-27 | Open-market buy | 13,380 | $4.81 | 111,281,997 |
| 2012-04-27 | Open-market buy | 16,003 | $4.79 | 111,261,857 |
| 2012-04-27 | Open-market buy | 6,760 | $4.80 | 111,268,617 |
| 2012-04-26 | Open-market buy | 10,000 | $4.78 | 111,155,854 |
| 2012-04-26 | Open-market buy | 1,700 | $4.80 | 111,157,554 |
| 2012-04-26 | Open-market buy | 13,000 | $4.81 | 111,190,854 |
| 2012-04-26 | Open-market buy | 1,100 | $4.83 | 111,191,954 |
| 2012-04-26 | Open-market buy | 34,856 | $4.83 | 111,226,810 |
| 2012-04-26 | Open-market buy | 5,463 | $4.84 | 111,232,273 |
| 2012-04-26 | Open-market buy | 2,800 | $4.85 | 111,235,073 |
| 2012-04-26 | Open-market buy | 3,600 | $4.86 | 111,238,673 |
| 2012-04-26 | Open-market buy | 2,000 | $4.87 | 111,240,673 |
| 2012-04-26 | Open-market buy | 5,181 | $4.88 | 111,245,854 |
| 2012-04-26 | Open-market buy | 20,300 | $4.80 | 111,177,854 |
| 2012-04-26 | Open-market buy | 34,856 | $4.83 | 111,226,810 |
| 2012-04-26 | Open-market buy | 20,300 | $4.80 | 111,177,854 |
| 2012-04-26 | Open-market buy | 1,700 | $4.80 | 111,157,554 |
| 2012-04-26 | Open-market buy | 10,000 | $4.78 | 111,155,854 |
| 2012-04-26 | Open-market buy | 1,100 | $4.83 | 111,191,954 |
| 2012-04-26 | Open-market buy | 13,000 | $4.81 | 111,190,854 |
| 2012-04-26 | Open-market buy | 5,463 | $4.84 | 111,232,273 |
| 2012-04-26 | Open-market buy | 2,800 | $4.85 | 111,235,073 |
| 2012-04-26 | Open-market buy | 3,600 | $4.86 | 111,238,673 |
| 2012-04-26 | Open-market buy | 2,000 | $4.87 | 111,240,673 |
| 2012-04-26 | Open-market buy | 5,181 | $4.88 | 111,245,854 |
| 2012-04-25 | Open-market buy | 100 | $4.87 | 111,145,854 |
| 2012-04-25 | Open-market buy | 9,900 | $4.86 | 111,145,754 |
| 2012-04-24 | Open-market buy | 10,000 | $4.87 | 111,135,854 |
| 2012-04-24 | Open-market buy | 8,800 | $4.84 | 111,125,854 |
| 2012-04-24 | Open-market buy | 1,200 | $4.84 | 111,117,054 |
| 2012-04-23 | Open-market buy | 3,805 | $4.94 | 111,109,659 |
| 2012-04-23 | Open-market buy | 14,292 | $4.92 | 111,105,854 |
| 2012-04-23 | Open-market buy | 6,195 | $4.95 | 111,115,854 |
| 2012-04-23 | Open-market buy | 10 | $4.81 | 111,055,864 |
| 2012-04-23 | Open-market buy | 3,858 | $4.81 | 111,059,722 |
| 2012-04-23 | Open-market buy | 3,365 | $4.82 | 111,063,087 |
| 2012-04-23 | Open-market buy | 6 | $4.84 | 111,063,093 |
| 2012-04-23 | Open-market buy | 2,300 | $4.91 | 111,091,562 |
| 2012-04-23 | Open-market buy | 1,225 | $4.90 | 111,089,262 |
| 2012-04-23 | Open-market buy | 21,075 | $4.89 | 111,088,037 |
| 2012-04-23 | Open-market buy | 1,108 | $4.89 | 111,066,962 |
| 2012-04-23 | Open-market buy | 2,761 | $4.84 | 111,065,854 |
| 2012-04-20 | Open-market buy | 9,800 | $4.87 | 111,055,854 |
| 2012-04-20 | Open-market buy | 200 | $4.87 | 111,046,054 |
| 2012-04-19 | Open-market buy | 500 | $4.75 | 111,025,854 |
| 2012-04-19 | Open-market buy | 700 | $4.73 | 111,016,554 |
| 2012-04-19 | Open-market buy | 10,000 | $4.81 | 111,045,854 |
| 2012-04-19 | Open-market buy | 4,700 | $4.77 | 111,035,854 |
| 2012-04-19 | Open-market buy | 5,300 | $4.76 | 111,031,154 |
| 2012-04-19 | Open-market buy | 400 | $4.75 | 111,025,354 |
| 2012-04-19 | Open-market buy | 8,400 | $4.73 | 111,024,954 |
| 2012-04-18 | Open-market buy | 4,500 | $4.63 | 111,010,354 |
| 2012-04-18 | Open-market buy | 5,500 | $4.64 | 111,015,854 |
| 2012-04-17 | Open-market buy | 6,689 | $4.62 | 111,005,854 |
| 2012-04-17 | Open-market buy | 3,871 | $4.61 | 110,999,165 |
| 2012-04-17 | Open-market buy | 5,890 | $4.60 | 110,995,294 |
| 2012-04-17 | Open-market buy | 3,550 | $4.59 | 110,989,404 |
| 2012-04-13 | Open-market buy | 41,597 | $4.39 | 110,944,251 |
| 2012-04-13 | Open-market buy | 2,400 | $4.39 | 110,902,654 |
| 2012-04-13 | Open-market buy | 4,400 | $4.38 | 110,900,254 |
| 2012-04-13 | Open-market buy | 800 | $4.45 | 110,985,854 |
| 2012-04-13 | Open-market buy | 8,800 | $4.44 | 110,985,054 |
| 2012-04-13 | Open-market buy | 8,700 | $4.43 | 110,976,254 |
| 2012-04-13 | Open-market buy | 100 | $4.40 | 110,944,351 |
| 2012-04-13 | Open-market buy | 21,503 | $4.40 | 110,965,854 |
| 2012-04-13 | Open-market buy | 1,700 | $4.42 | 110,967,554 |
| 2012-04-13 | Open-market buy | 10,000 | $4.37 | 110,895,854 |
| 2012-04-12 | Open-market buy | 5,750 | $4.55 | 110,870,436 |
| 2012-04-12 | Open-market buy | 100 | $4.55 | 110,864,686 |
| 2012-04-12 | Open-market buy | 3,500 | $4.53 | 110,864,586 |
| 2012-04-12 | Open-market buy | 4,532 | $4.52 | 110,861,086 |
| 2012-04-12 | Open-market buy | 14,840 | $4.51 | 110,856,554 |
| 2012-04-12 | Open-market buy | 12,460 | $4.50 | 110,841,714 |
| 2012-04-12 | Open-market buy | 4,460 | $4.49 | 110,829,254 |
| 2012-04-12 | Open-market buy | 8,460 | $4.48 | 110,824,794 |
| 2012-04-12 | Open-market buy | 6,200 | $4.47 | 110,816,334 |
| 2012-04-12 | Open-market buy | 14,080 | $4.46 | 110,810,134 |
| 2012-04-12 | Open-market buy | 200 | $4.46 | 110,796,054 |
| 2012-04-12 | Open-market buy | 6,753 | $4.56 | 110,877,189 |
| 2012-04-12 | Open-market buy | 368 | $4.57 | 110,877,557 |
| 2012-04-12 | Open-market buy | 1,900 | $4.58 | 110,879,457 |
| 2012-04-12 | Open-market buy | 6,397 | $4.59 | 110,885,854 |
| 2012-04-12 | Open-market buy | 10,000 | $4.43 | 110,795,854 |
| 2012-04-11 | Open-market buy | 3,178 | $4.57 | 110,785,854 |
| 2012-04-11 | Open-market buy | 7,100 | $4.56 | 110,782,676 |
| 2012-04-11 | Open-market buy | 8,700 | $4.55 | 110,775,576 |
| 2012-04-11 | Open-market buy | 21,664 | $4.53 | 110,762,554 |
| 2012-04-11 | Open-market buy | 15,914 | $4.52 | 110,740,890 |
| 2012-04-11 | Open-market buy | 17,922 | $4.51 | 110,724,976 |
| 2012-04-11 | Open-market buy | 1,200 | $4.51 | 110,707,054 |
| 2012-04-11 | Open-market buy | 9,100 | $4.49 | 110,705,854 |
| 2012-04-11 | Open-market buy | 10,700 | $4.48 | 110,696,754 |
| 2012-04-11 | Open-market buy | 200 | $4.48 | 110,686,054 |
| 2012-04-11 | Open-market buy | 4,322 | $4.54 | 110,766,876 |
| 2012-04-10 | Open-market buy | 577 | $4.44 | 110,605,931 |
| 2012-04-10 | Open-market buy | 17,700 | $4.43 | 110,605,354 |
| 2012-04-10 | Open-market buy | 11,600 | $4.42 | 110,587,654 |
| 2012-04-10 | Open-market buy | 200 | $4.42 | 110,576,054 |
| 2012-04-10 | Open-market buy | 22,152 | $4.49 | 110,685,854 |
| 2012-04-10 | Open-market buy | 7,469 | $4.45 | 110,613,400 |
| 2012-04-10 | Open-market buy | 9,214 | $4.48 | 110,663,702 |
| 2012-04-10 | Open-market buy | 18,977 | $4.47 | 110,654,488 |
| 2012-04-10 | Open-market buy | 22,111 | $4.46 | 110,635,511 |
| 2012-04-09 | Open-market buy | 19,350 | $4.65 | 110,575,854 |
| 2012-04-09 | Open-market buy | 2,697 | $4.64 | 110,556,504 |
| 2012-04-09 | Open-market buy | 19,353 | $4.63 | 110,553,807 |
| 2012-04-09 | Open-market buy | 8,600 | $4.62 | 110,534,454 |
| 2012-04-05 | Open-market buy | 4,007 | $4.79 | 110,509,861 |
| 2012-04-05 | Open-market buy | 2,278 | $4.77 | 110,505,854 |
| 2012-04-05 | Open-market buy | 7,722 | $4.76 | 110,503,576 |
| 2012-04-05 | Open-market buy | 5,626 | $4.80 | 110,515,487 |
| 2012-04-05 | Open-market buy | 10,367 | $4.81 | 110,525,854 |
| 2012-04-04 | Open-market buy | 10,000 | $4.70 | 110,495,854 |
| 2012-04-03 | Open-market buy | 2,700 | $4.85 | 110,485,854 |
| 2012-04-03 | Open-market buy | 2,800 | $4.80 | 110,458,654 |
| 2012-04-03 | Open-market buy | 400 | $4.76 | 110,446,254 |
| 2012-04-03 | Open-market buy | 14,900 | $4.84 | 110,483,154 |
| 2012-04-03 | Open-market buy | 2,400 | $4.84 | 110,468,254 |
| 2012-04-03 | Open-market buy | 7,200 | $4.80 | 110,465,854 |
| 2012-04-03 | Open-market buy | 9,600 | $4.76 | 110,455,854 |
| 2012-04-02 | Open-market buy | 9,700 | $4.68 | 110,435,854 |
| 2012-04-02 | Open-market buy | 900 | $4.71 | 110,436,754 |
| 2012-04-02 | Open-market buy | 9,100 | $4.71 | 110,445,854 |
| 2012-04-02 | Open-market buy | 21,699 | $4.67 | 110,426,154 |
| 2012-04-02 | Open-market buy | 3,601 | $4.67 | 110,404,455 |
| 2012-03-29 | Open-market buy | 5,704 | $4.73 | 110,392,354 |
| 2012-03-29 | Open-market buy | 6,496 | $4.68 | 110,357,350 |
| 2012-03-29 | Open-market buy | 12,600 | $4.69 | 110,369,950 |
| 2012-03-29 | Open-market buy | 10,700 | $4.71 | 110,380,650 |
| 2012-03-29 | Open-market buy | 3,700 | $4.71 | 110,384,350 |
| 2012-03-29 | Open-market buy | 2,300 | $4.72 | 110,386,650 |
| 2012-03-29 | Open-market buy | 8,500 | $4.74 | 110,400,854 |
| 2012-03-28 | Open-market buy | 15,800 | $4.75 | 110,346,654 |
| 2012-03-28 | Open-market buy | 4,200 | $4.76 | 110,350,854 |
| 2012-03-27 | Open-market buy | 900 | $4.80 | 110,316,754 |
| 2012-03-27 | Open-market buy | 9,100 | $4.80 | 110,325,854 |
| 2012-03-27 | Open-market buy | 5,000 | $4.81 | 110,330,854 |
| 2012-03-26 | Open-market buy | 5,000 | $4.83 | 110,307,854 |
| 2012-03-26 | Open-market buy | 900 | $4.88 | 110,315,854 |
| 2012-03-26 | Open-market buy | 7,100 | $4.87 | 110,314,954 |
| 2012-03-23 | Open-market buy | 14,300 | $4.85 | 110,302,854 |
| 2012-03-23 | Open-market buy | 18,700 | $4.85 | 110,288,554 |
| 2012-03-22 | Open-market buy | 5,000 | $4.80 | 110,259,854 |
| 2012-03-22 | Open-market buy | 10,000 | $4.82 | 110,269,854 |
| 2012-03-21 | Open-market buy | 4,600 | $4.94 | 110,254,854 |
| 2012-03-21 | Open-market buy | 400 | $4.93 | 110,250,254 |
| 2012-03-20 | Open-market buy | 3,800 | $4.89 | 110,247,254 |
| 2012-03-20 | Open-market buy | 3,600 | $4.88 | 110,243,454 |
| 2012-03-20 | Open-market buy | 800 | $4.87 | 110,239,854 |
| 2012-03-20 | Open-market buy | 5,200 | $4.86 | 110,239,054 |
| 2012-03-20 | Open-market buy | 2,600 | $4.90 | 110,249,854 |
| 2012-03-16 | Open-market buy | 1,700 | $4.83 | 109,639,305 |
| 2012-03-16 | Open-market buy | 5,500 | $4.78 | 109,619,354 |
| 2012-03-16 | Open-market buy | 3,000 | $4.79 | 109,622,354 |
| 2012-03-16 | Open-market buy | 11,883 | $4.80 | 109,634,237 |
| 2012-03-16 | Open-market buy | 1,768 | $4.81 | 109,636,005 |
| 2012-03-16 | Open-market buy | 1,600 | $4.82 | 109,637,605 |
| 2012-03-16 | Open-market buy | 1,500 | $4.84 | 109,640,805 |
| 2012-03-16 | Open-market buy | 30,000 | $4.85 | 109,670,805 |
| 2012-03-16 | Open-market buy | 2,000 | $4.86 | 109,672,805 |
| 2012-03-16 | Open-market buy | 12,736 | $4.87 | 109,685,541 |
| 2012-03-16 | Open-market buy | 2,100 | $4.89 | 109,687,641 |
| 2012-03-16 | Open-market buy | 10,600 | $4.89 | 109,698,241 |
| 2012-03-16 | Open-market buy | 22,016 | $4.90 | 109,720,257 |
| 2012-03-16 | Open-market buy | 19,822 | $4.91 | 109,740,079 |
| 2012-03-16 | Open-market buy | 17,400 | $4.92 | 109,757,479 |
| 2012-03-16 | Open-market buy | 81,000 | $4.93 | 109,838,479 |
| 2012-03-16 | Open-market buy | 5,200 | $4.94 | 109,843,679 |
| 2012-03-16 | Open-market buy | 11,800 | $4.95 | 109,855,479 |
| 2012-03-16 | Open-market buy | 7,400 | $4.96 | 109,862,879 |
| 2012-03-16 | Open-market buy | 14,026 | $4.97 | 109,876,905 |
| 2012-03-16 | Open-market buy | 17,398 | $4.98 | 109,894,303 |
| 2012-03-16 | Open-market buy | 16,146 | $4.99 | 109,910,449 |
| 2012-03-16 | Open-market buy | 105,305 | $5.00 | 110,015,754 |
| 2012-03-16 | Open-market buy | 39,300 | $5.01 | 110,055,054 |
| 2012-03-16 | Open-market buy | 9,811 | $5.02 | 110,064,865 |
| 2012-03-16 | Open-market buy | 14,100 | $5.03 | 110,078,965 |
| 2012-03-16 | Open-market buy | 41,844 | $5.07 | 110,233,854 |
| 2012-03-16 | Open-market buy | 5,634 | $5.06 | 110,192,010 |
| 2012-03-16 | Open-market buy | 90,700 | $5.05 | 110,186,376 |
| 2012-03-16 | Open-market buy | 16,711 | $5.04 | 110,095,676 |
| 2012-03-12 | Open-market buy | 17,200 | $4.82 | 109,611,054 |
| 2012-03-12 | Open-market buy | 2,800 | $4.83 | 109,613,854 |
| 2012-03-06 | Open-market buy | 600 | $4.72 | 109,569,454 |
| 2012-03-06 | Open-market buy | 23,948 | $4.72 | 109,593,402 |
| 2012-03-06 | Open-market buy | 452 | $4.73 | 109,593,854 |
| 2012-03-05 | Open-market buy | 50 | $4.78 | 109,543,904 |
| 2012-03-05 | Open-market buy | 6,950 | $4.80 | 109,568,854 |
| 2012-03-05 | Open-market buy | 18,000 | $4.79 | 109,561,904 |
| 2012-02-22 | Open-market buy | 10,000 | $4.69 | 109,053,854 |
| 2012-02-22 | Open-market buy | 162,748 | $4.72 | 109,306,852 |
| 2012-02-22 | Open-market buy | 55,798 | $4.71 | 109,144,104 |
| 2012-02-22 | Open-market buy | 34,452 | $4.70 | 109,088,306 |
| 2012-02-22 | Open-market buy | 99,035 | $4.74 | 109,534,554 |
| 2012-02-22 | Open-market buy | 8,300 | $4.75 | 109,542,854 |
| 2012-02-22 | Open-market buy | 1,000 | $4.77 | 109,543,854 |
| 2012-02-22 | Open-market buy | 128,667 | $4.73 | 109,435,519 |
| 2012-02-15 | Open-market buy | 3,000 | $5.17 | 109,043,854 |
| 2012-02-15 | Open-market buy | 2,500 | $5.16 | 109,040,854 |
| 2012-02-15 | Open-market buy | 2,000 | $5.08 | 109,005,854 |
| 2012-02-15 | Open-market buy | 5,000 | $5.09 | 109,010,854 |
| 2012-02-15 | Open-market buy | 100 | $5.12 | 109,010,954 |
| 2012-02-15 | Open-market buy | 12,400 | $5.12 | 109,023,354 |
| 2012-02-15 | Open-market buy | 10,000 | $5.13 | 109,033,354 |
| 2012-02-15 | Open-market buy | 5,000 | $5.14 | 109,038,354 |
| 2012-02-13 | Open-market buy | 5,000 | $5.09 | 108,998,854 |
| 2012-02-13 | Open-market buy | 5,000 | $5.10 | 109,003,854 |
| 2012-02-10 | Open-market buy | 1,000 | $5.13 | 108,989,854 |
| 2012-02-10 | Open-market buy | 3,000 | $5.15 | 108,992,854 |
| 2012-02-10 | Open-market buy | 1,000 | $5.16 | 108,993,854 |
| 2012-02-10 | Open-market buy | 1,500 | $5.09 | 108,988,854 |
| 2012-02-10 | Open-market buy | 3,500 | $5.07 | 108,987,354 |
| 2012-02-09 | Open-market buy | 1,467 | $5.17 | 108,974,154 |
| 2012-02-09 | Open-market buy | 4,800 | $5.18 | 108,978,954 |
| 2012-02-09 | Open-market buy | 4,900 | $5.19 | 108,983,854 |
| 2012-02-08 | Open-market buy | 4,628 | $5.21 | 108,967,415 |
| 2012-02-08 | Open-market buy | 5,272 | $5.22 | 108,972,687 |
| 2012-02-08 | Open-market buy | 100 | $5.21 | 108,962,787 |
| 2012-02-06 | Open-market buy | 5,000 | $5.24 | 108,962,687 |
| 2012-02-01 | Open-market buy | 1,000 | $5.25 | 108,956,687 |
| 2012-02-01 | Open-market buy | 200 | $5.28 | 108,957,387 |
| 2012-02-01 | Open-market buy | 500 | $5.27 | 108,957,187 |
| 2012-02-01 | Open-market buy | 300 | $5.29 | 108,957,687 |
| 2012-02-01 | Open-market buy | 100 | $5.23 | 108,955,687 |
| 2012-02-01 | Open-market buy | 900 | $5.22 | 108,955,587 |
| 2012-02-01 | Open-market buy | 2,000 | $5.21 | 108,954,687 |
| 2012-01-31 | Open-market buy | 2,500 | $5.26 | 108,952,687 |
| 2012-01-31 | Open-market buy | 2,500 | $5.25 | 108,950,187 |
| 2012-01-24 | Open-market buy | 3,524 | $5.12 | 108,947,687 |
| 2012-01-24 | Open-market buy | 2,328 | $5.11 | 108,944,163 |
| 2012-01-24 | Open-market buy | 600 | $5.11 | 108,941,835 |
| 2012-01-24 | Open-market buy | 3,100 | $5.08 | 108,941,235 |
| 2012-01-24 | Open-market buy | 448 | $5.07 | 108,938,135 |
| 2012-01-13 | Open-market buy | 1,300 | $5.04 | 108,933,187 |
| 2012-01-13 | Open-market buy | 200 | $5.04 | 108,931,887 |
| 2012-01-13 | Open-market buy | 1,000 | $5.02 | 108,931,687 |
| 2012-01-13 | Open-market buy | 1,000 | $5.01 | 108,930,687 |
| 2012-01-13 | Open-market buy | 1,000 | $5.00 | 108,929,687 |
| 2012-01-13 | Open-market buy | 4,500 | $5.07 | 108,937,687 |
| 2012-01-13 | Open-market buy | 1,000 | $4.96 | 108,928,687 |
| 2012-01-12 | Open-market buy | 1,500 | $4.96 | 108,919,587 |
| 2012-01-12 | Open-market buy | 1,500 | $5.01 | 108,927,287 |
| 2012-01-12 | Open-market buy | 400 | $5.02 | 108,927,687 |
| 2012-01-12 | Open-market buy | 3,100 | $5.00 | 108,925,787 |
| 2012-01-12 | Open-market buy | 1,000 | $4.98 | 108,920,687 |
| 2012-01-12 | Open-market buy | 2,000 | $4.99 | 108,922,687 |
| 2012-01-12 | Open-market buy | 200 | $4.93 | 108,917,887 |
| 2012-01-12 | Open-market buy | 100 | $4.95 | 108,918,087 |
| 2012-01-12 | Open-market buy | 100 | $4.94 | 108,917,987 |
| 2012-01-12 | Open-market buy | 100 | $4.97 | 108,919,687 |
| 2012-01-11 | Open-market buy | 700 | $4.98 | 108,913,687 |
| 2012-01-11 | Open-market buy | 1,500 | $4.86 | 108,909,187 |
| 2012-01-11 | Open-market buy | 1,000 | $4.88 | 108,910,187 |
| 2012-01-11 | Open-market buy | 1,000 | $5.02 | 108,917,687 |
| 2012-01-11 | Open-market buy | 2,000 | $5.01 | 108,916,687 |
| 2012-01-11 | Open-market buy | 1,000 | $4.99 | 108,914,687 |
| 2012-01-11 | Open-market buy | 300 | $4.98 | 108,912,987 |
| 2012-01-11 | Open-market buy | 1,000 | $4.92 | 108,912,687 |
| 2012-01-11 | Open-market buy | 500 | $4.89 | 108,911,687 |
| 2012-01-11 | Open-market buy | 1,000 | $4.88 | 108,911,187 |
| 2012-01-10 | Open-market buy | 500 | $4.96 | 108,902,687 |
| 2012-01-10 | Open-market buy | 999 | $4.89 | 108,898,686 |
| 2012-01-10 | Open-market buy | 2,001 | $4.90 | 108,900,687 |
| 2012-01-10 | Open-market buy | 1,000 | $4.93 | 108,901,687 |
| 2012-01-10 | Open-market buy | 500 | $4.94 | 108,902,187 |
| 2012-01-10 | Open-market buy | 2,200 | $4.97 | 108,904,887 |
| 2012-01-10 | Open-market buy | 700 | $5.01 | 108,907,687 |
| 2012-01-10 | Open-market buy | 1,000 | $4.99 | 108,906,987 |
| 2012-01-10 | Open-market buy | 1,100 | $4.98 | 108,905,987 |
| 2012-01-09 | Open-market buy | 1,000 | $4.96 | 108,897,687 |
| 2012-01-09 | Open-market buy | 4,500 | $4.95 | 108,896,687 |
| 2012-01-09 | Open-market buy | 800 | $4.94 | 108,892,187 |
| 2012-01-09 | Open-market buy | 200 | $4.91 | 108,887,887 |
| 2012-01-09 | Open-market buy | 2,500 | $4.92 | 108,890,387 |
| 2012-01-09 | Open-market buy | 1,000 | $4.93 | 108,891,387 |
| 2012-01-06 | Open-market buy | 2,500 | $4.96 | 108,887,687 |
| 2012-01-06 | Open-market buy | 1,300 | $4.89 | 108,876,487 |
| 2012-01-06 | Open-market buy | 1,000 | $4.95 | 108,885,187 |
| 2012-01-06 | Open-market buy | 1,500 | $4.94 | 108,884,187 |
| 2012-01-06 | Open-market buy | 3,500 | $4.91 | 108,882,687 |
| 2012-01-06 | Open-market buy | 1,500 | $4.90 | 108,879,187 |
| 2012-01-06 | Open-market buy | 1,200 | $4.89 | 108,877,687 |
| 2012-01-05 | Open-market buy | 3,500 | $4.93 | 108,875,187 |
| 2012-01-05 | Open-market buy | 8,778 | $4.91 | 108,871,687 |
| 2012-01-05 | Open-market buy | 2,722 | $4.90 | 108,862,909 |
| 2012-01-05 | Open-market buy | 1,000 | $4.87 | 108,860,187 |
| 2012-01-05 | Open-market buy | 2,000 | $4.86 | 108,859,187 |
| 2012-01-05 | Open-market buy | 1,000 | $4.81 | 108,857,187 |
| 2012-01-05 | Open-market buy | 1,000 | $4.77 | 108,856,187 |
| 2012-01-04 | Open-market buy | 1,900 | $4.77 | 108,848,687 |
| 2012-01-04 | Open-market buy | 1,600 | $4.76 | 108,846,787 |
| 2012-01-04 | Open-market buy | 5,500 | $4.78 | 108,854,187 |
| 2012-01-04 | Open-market buy | 1,000 | $4.79 | 108,855,187 |
| 2012-01-03 | Open-market buy | 5,100 | $4.88 | 108,844,187 |
| 2012-01-03 | Open-market buy | 1,000 | $4.89 | 108,845,187 |
| 2012-01-03 | Open-market buy | 3,900 | $4.87 | 108,839,087 |
| 2011-12-29 | Open-market buy | 5,508 | $4.79 | 108,831,695 |
| 2011-12-29 | Open-market buy | 2,492 | $4.80 | 108,834,187 |
| 2011-12-29 | Open-market buy | 1,000 | $4.81 | 108,835,187 |
| 2011-12-29 | Open-market buy | 400 | $4.78 | 108,826,187 |
| 2011-12-29 | Open-market buy | 600 | $4.78 | 108,825,787 |
| 2011-12-28 | Open-market buy | 1,800 | $4.82 | 108,816,987 |
| 2011-12-28 | Open-market buy | 3,200 | $4.82 | 108,820,187 |
| 2011-12-28 | Open-market buy | 3,200 | $4.84 | 108,823,387 |
| 2011-12-28 | Open-market buy | 1,800 | $4.85 | 108,825,187 |
| 2011-12-27 | Open-market buy | 500 | $4.78 | 108,805,687 |
| 2011-12-27 | Open-market buy | 500 | $4.83 | 108,806,187 |
| 2011-12-27 | Open-market buy | 2,500 | $4.87 | 108,815,187 |
| 2011-12-27 | Open-market buy | 4,505 | $4.85 | 108,812,687 |
| 2011-12-27 | Open-market buy | 1,995 | $4.84 | 108,808,182 |
| 2011-12-23 | Open-market buy | 1,000 | $4.80 | 108,805,187 |
| 2011-12-23 | Open-market buy | 4,372 | $4.78 | 108,799,559 |
| 2011-12-23 | Open-market buy | 100 | $4.79 | 108,799,659 |
| 2011-12-23 | Open-market buy | 4,528 | $4.79 | 108,804,187 |
| 2011-12-22 | Open-market buy | 1,000 | $4.77 | 108,794,187 |
| 2011-12-22 | Open-market buy | 400 | $4.75 | 108,780,587 |
| 2011-12-22 | Open-market buy | 9,100 | $4.75 | 108,789,687 |
| 2011-12-22 | Open-market buy | 3,500 | $4.76 | 108,793,187 |
| 2011-12-22 | Open-market buy | 1,000 | $4.80 | 108,795,187 |
| 2011-12-21 | Open-market buy | 5,000 | $4.84 | 108,780,187 |
| 2011-12-21 | Open-market buy | 2,500 | $4.78 | 108,762,687 |
| 2011-12-21 | Open-market buy | 9,000 | $4.82 | 108,774,187 |
| 2011-12-21 | Open-market buy | 2,500 | $4.79 | 108,765,187 |
| 2011-12-21 | Open-market buy | 1,000 | $4.83 | 108,775,187 |
| 2011-12-20 | Open-market buy | 5,500 | $4.80 | 108,749,187 |
| 2011-12-20 | Open-market buy | 13,500 | $4.79 | 108,743,687 |
| 2011-12-20 | Open-market buy | 6,000 | $4.78 | 108,730,187 |
| 2011-12-20 | Open-market buy | 1,300 | $4.75 | 108,721,687 |
| 2011-12-20 | Open-market buy | 200 | $4.75 | 108,720,387 |
| 2011-12-20 | Open-market buy | 7,500 | $4.81 | 108,756,687 |
| 2011-12-20 | Open-market buy | 1,000 | $4.82 | 108,757,687 |
| 2011-12-20 | Open-market buy | 100 | $4.83 | 108,757,787 |
| 2011-12-20 | Open-market buy | 2,400 | $4.84 | 108,760,187 |
| 2011-12-20 | Open-market buy | 2,500 | $4.76 | 108,724,187 |
| 2011-12-14 | Open-market buy | 3,063 | $4.77 | 108,716,650 |
| 2011-12-14 | Open-market buy | 3,537 | $4.78 | 108,720,187 |
| 2011-12-14 | Open-market buy | 400 | $4.76 | 108,713,587 |
| 2011-12-14 | Open-market buy | 3,900 | $4.75 | 108,713,187 |
| 2011-12-14 | Open-market buy | 6,100 | $4.74 | 108,709,287 |
| 2011-12-14 | Open-market buy | 1,600 | $4.73 | 108,703,187 |
| 2011-12-14 | Open-market buy | 1,400 | $4.72 | 108,701,587 |
| 2011-12-13 | Open-market buy | 700 | $4.81 | 108,694,387 |
| 2011-12-13 | Open-market buy | 1,400 | $4.82 | 108,695,787 |
| 2011-12-13 | Open-market buy | 1,458 | $4.83 | 108,697,245 |
| 2011-12-13 | Open-market buy | 2,942 | $4.84 | 108,700,187 |
| 2011-12-13 | Open-market buy | 8,589 | $4.80 | 108,693,687 |
| 2011-12-13 | Open-market buy | 4,911 | $4.79 | 108,685,098 |
| 2011-12-12 | Open-market buy | 2,000 | $4.78 | 108,673,187 |
| 2011-12-12 | Open-market buy | 1,000 | $4.77 | 108,671,187 |
| 2011-12-12 | Open-market buy | 1,000 | $4.83 | 108,675,187 |
| 2011-12-12 | Open-market buy | 1,000 | $4.80 | 108,674,187 |
| 2011-12-12 | Open-market buy | 2,000 | $4.86 | 108,680,187 |
| 2011-12-12 | Open-market buy | 3,000 | $4.84 | 108,678,187 |
| 2011-12-09 | Open-market buy | 1,000 | $4.85 | 108,667,687 |
| 2011-12-09 | Open-market buy | 1,500 | $4.86 | 108,669,187 |
| 2011-12-09 | Open-market buy | 2,600 | $4.84 | 108,666,687 |
| 2011-12-09 | Open-market buy | 400 | $4.84 | 108,664,087 |
| 2011-12-09 | Open-market buy | 3,000 | $4.83 | 108,663,687 |
| 2011-12-09 | Open-market buy | 3,000 | $4.82 | 108,660,687 |
| 2011-12-09 | Open-market buy | 5,000 | $4.81 | 108,657,687 |
| 2011-12-09 | Open-market buy | 2,000 | $4.80 | 108,652,687 |
| 2011-12-09 | Open-market buy | 1,000 | $4.87 | 108,670,187 |
| 2011-12-09 | Open-market buy | 500 | $4.79 | 108,650,687 |
| 2011-12-07 | Open-market buy | 14,700 | $4.89 | 108,637,687 |
| 2011-12-07 | Open-market buy | 10,000 | $4.90 | 108,647,687 |
| 2011-12-07 | Open-market buy | 7,500 | $4.88 | 108,622,987 |
| 2011-12-07 | Open-market buy | 7,800 | $4.87 | 108,615,487 |
| 2011-12-07 | Open-market buy | 7,300 | $4.86 | 108,607,687 |
| 2011-12-07 | Open-market buy | 200 | $4.86 | 108,600,387 |
| 2011-12-07 | Open-market buy | 2,500 | $4.91 | 108,650,187 |
| 2011-12-05 | Open-market buy | 7,300 | $4.99 | 108,586,187 |
| 2011-12-05 | Open-market buy | 200 | $4.99 | 108,578,887 |
| 2011-12-05 | Open-market buy | 4,000 | $5.00 | 108,590,187 |
| 2011-12-05 | Open-market buy | 3,700 | $5.04 | 108,593,887 |
| 2011-12-05 | Open-market buy | 3,300 | $5.05 | 108,597,187 |
| 2011-12-05 | Open-market buy | 2,000 | $5.06 | 108,599,187 |
| 2011-12-05 | Open-market buy | 1,000 | $5.08 | 108,600,187 |
| 2011-12-05 | Open-market buy | 3,500 | $4.97 | 108,578,687 |
| 2011-11-29 | Open-market buy | 2,500 | $4.84 | 108,575,187 |
| 2011-11-29 | Open-market buy | 500 | $4.79 | 108,571,687 |
| 2011-11-29 | Open-market buy | 12,400 | $4.78 | 108,571,187 |
| 2011-11-29 | Open-market buy | 1,700 | $4.77 | 108,558,787 |
| 2011-11-29 | Open-market buy | 3,500 | $4.76 | 108,557,087 |
| 2011-11-29 | Open-market buy | 400 | $4.75 | 108,553,587 |
| 2011-11-29 | Open-market buy | 2,000 | $4.74 | 108,553,187 |
| 2011-11-29 | Open-market buy | 1,000 | $4.71 | 108,551,187 |
| 2011-11-29 | Open-market buy | 1,000 | $4.81 | 108,572,687 |
| 2011-11-28 | Open-market buy | 10,000 | $5.04 | 108,550,187 |
| 2011-11-23 | Open-market buy | 1,900 | $4.91 | 108,537,687 |
| 2011-11-23 | Open-market buy | 4,800 | $4.88 | 108,530,187 |
| 2011-11-23 | Open-market buy | 2,500 | $4.92 | 108,540,187 |
| 2011-11-23 | Open-market buy | 200 | $4.88 | 108,525,387 |
| 2011-11-23 | Open-market buy | 4,000 | $4.89 | 108,534,187 |
| 2011-11-23 | Open-market buy | 1,600 | $4.90 | 108,535,787 |
| 2011-11-22 | Open-market buy | 7,855 | $5.00 | 108,525,187 |
| 2011-11-22 | Open-market buy | 5,145 | $4.99 | 108,517,332 |
| 2011-11-22 | Open-market buy | 1,000 | $4.98 | 108,512,187 |
| 2011-11-22 | Open-market buy | 2,653 | $4.94 | 108,503,440 |
| 2011-11-22 | Open-market buy | 3,500 | $4.95 | 108,506,940 |
| 2011-11-22 | Open-market buy | 4,247 | $4.96 | 108,511,187 |
| 2011-11-22 | Open-market buy | 600 | $4.93 | 108,500,787 |
| 2011-11-21 | Open-market buy | 5,900 | $5.00 | 108,491,087 |
| 2011-11-21 | Open-market buy | 6,783 | $5.01 | 108,497,870 |
| 2011-11-21 | Open-market buy | 2,317 | $5.02 | 108,500,187 |
| 2011-11-18 | Open-market buy | 1,000 | $5.05 | 108,484,187 |
| 2011-11-18 | Open-market buy | 3,500 | $5.04 | 108,483,187 |
| 2011-11-18 | Open-market buy | 14,171 | $5.03 | 108,479,687 |
| 2011-11-18 | Open-market buy | 329 | $5.03 | 108,465,516 |
| 2011-11-18 | Open-market buy | 1,000 | $5.06 | 108,485,187 |
| 2011-11-16 | Open-market buy | 4,000 | $5.35 | 108,442,187 |
| 2011-11-16 | Open-market buy | 500 | $5.45 | 108,463,687 |
| 2011-11-16 | Open-market buy | 1,500 | $5.46 | 108,465,187 |
| 2011-11-16 | Open-market buy | 1,000 | $5.37 | 108,443,187 |
| 2011-11-16 | Open-market buy | 500 | $5.38 | 108,443,687 |
| 2011-11-16 | Open-market buy | 1,279 | $5.39 | 108,444,966 |
| 2011-11-16 | Open-market buy | 2,221 | $5.40 | 108,447,187 |
| 2011-11-16 | Open-market buy | 2,000 | $5.41 | 108,449,187 |
| 2011-11-16 | Open-market buy | 9,974 | $5.42 | 108,459,161 |
| 2011-11-16 | Open-market buy | 2,526 | $5.43 | 108,461,687 |
| 2011-11-16 | Open-market buy | 1,500 | $5.44 | 108,463,187 |
| 2011-11-16 | Open-market buy | 3,000 | $5.34 | 108,438,187 |
| 2011-11-11 | Open-market buy | 3,300 | $5.39 | 108,433,987 |
| 2011-11-11 | Open-market buy | 1,000 | $5.35 | 108,419,987 |
| 2011-11-11 | Open-market buy | 6,000 | $5.36 | 108,425,987 |
| 2011-11-11 | Open-market buy | 3,900 | $5.37 | 108,429,887 |
| 2011-11-11 | Open-market buy | 800 | $5.38 | 108,430,687 |
| 2011-11-11 | Open-market buy | 3,300 | $5.34 | 108,418,987 |
| 2011-11-11 | Open-market buy | 1,900 | $5.32 | 108,415,687 |
| 2011-11-11 | Open-market buy | 600 | $5.30 | 108,413,787 |
| 2011-11-11 | Open-market buy | 500 | $5.29 | 108,413,187 |
| 2011-11-11 | Open-market buy | 2,500 | $5.28 | 108,412,687 |
| 2011-11-11 | Open-market buy | 1,200 | $5.40 | 108,435,187 |
| 2011-11-10 | Open-market buy | 1,000 | $5.16 | 108,406,687 |
| 2011-11-10 | Open-market buy | 3,226 | $5.08 | 108,388,413 |
| 2011-11-10 | Open-market buy | 7,000 | $5.10 | 108,395,413 |
| 2011-11-10 | Open-market buy | 8,274 | $5.11 | 108,403,687 |
| 2011-11-10 | Open-market buy | 2,000 | $5.12 | 108,405,687 |
| 2011-11-10 | Open-market buy | 1,000 | $5.17 | 108,407,687 |
| 2011-11-10 | Open-market buy | 2,500 | $5.20 | 108,410,187 |
| 2011-11-09 | Open-market buy | 445 | $5.22 | 108,383,132 |
| 2011-11-09 | Open-market buy | 2,500 | $5.15 | 108,366,387 |
| 2011-11-09 | Open-market buy | 2,700 | $5.14 | 108,363,887 |
| 2011-11-09 | Open-market buy | 1,000 | $5.13 | 108,361,187 |
| 2011-11-09 | Open-market buy | 2,055 | $5.23 | 108,385,187 |
| 2011-11-09 | Open-market buy | 100 | $5.17 | 108,366,487 |
| 2011-11-09 | Open-market buy | 1,600 | $5.20 | 108,382,687 |
| 2011-11-09 | Open-market buy | 3,000 | $5.19 | 108,381,087 |
| 2011-11-09 | Open-market buy | 4,100 | $5.18 | 108,378,087 |
| 2011-11-09 | Open-market buy | 7,500 | $5.17 | 108,373,987 |
| 2011-11-08 | Open-market buy | 1,000 | $5.19 | 108,346,187 |
| 2011-11-08 | Open-market buy | 3,000 | $5.18 | 108,345,187 |
| 2011-11-08 | Open-market buy | 1,000 | $5.17 | 108,342,187 |
| 2011-11-08 | Open-market buy | 1,000 | $5.14 | 108,340,187 |
| 2011-11-08 | Open-market buy | 500 | $5.13 | 108,339,187 |
| 2011-11-08 | Open-market buy | 2,500 | $5.12 | 108,338,687 |
| 2011-11-08 | Open-market buy | 1,000 | $5.11 | 108,336,187 |
| 2011-11-08 | Open-market buy | 2,000 | $5.20 | 108,348,187 |
| 2011-11-08 | Open-market buy | 2,500 | $5.21 | 108,350,687 |
| 2011-11-08 | Open-market buy | 5,000 | $5.22 | 108,355,687 |
| 2011-11-08 | Open-market buy | 4,500 | $5.23 | 108,360,187 |
| 2011-11-08 | Open-market buy | 1,000 | $5.15 | 108,341,187 |
| 2011-11-07 | Open-market buy | 500 | $5.10 | 108,313,687 |
| 2011-11-07 | Open-market buy | 4,600 | $5.13 | 108,318,287 |
| 2011-11-07 | Open-market buy | 1,400 | $5.14 | 108,319,687 |
| 2011-11-07 | Open-market buy | 1,000 | $5.17 | 108,320,687 |
| 2011-11-07 | Open-market buy | 200 | $5.18 | 108,320,887 |
| 2011-11-07 | Open-market buy | 1,000 | $5.09 | 108,313,187 |
| 2011-11-07 | Open-market buy | 2,000 | $5.07 | 108,312,187 |
| 2011-11-07 | Open-market buy | 500 | $5.24 | 108,335,187 |
| 2011-11-07 | Open-market buy | 2,500 | $5.23 | 108,334,687 |
| 2011-11-07 | Open-market buy | 3,500 | $5.22 | 108,332,187 |
| 2011-11-07 | Open-market buy | 7,800 | $5.19 | 108,328,687 |
| 2011-11-04 | Open-market buy | 3,000 | $5.15 | 108,305,185 |
| 2011-11-04 | Open-market buy | 5,002 | $5.16 | 108,310,187 |
| 2011-11-04 | Open-market buy | 8,398 | $5.14 | 108,302,185 |
| 2011-11-04 | Open-market buy | 2,500 | $5.09 | 108,287,687 |
| 2011-11-04 | Open-market buy | 2,500 | $5.12 | 108,293,687 |
| 2011-11-04 | Open-market buy | 2,500 | $5.11 | 108,291,187 |
| 2011-11-04 | Open-market buy | 100 | $5.14 | 108,293,787 |
| 2011-11-04 | Open-market buy | 1,000 | $5.10 | 108,288,687 |
| 2011-10-04 | Open-market buy | 2,452,222 | $3.60 | 108,285,187 |
| 2011-09-28 | Open-market buy | 900 | $4.55 | 105,832,965 |
| 2011-09-28 | Open-market buy | 7,200 | $4.54 | 105,832,065 |
| 2011-09-28 | Open-market buy | 1,900 | $4.53 | 105,824,865 |
| 2011-09-28 | Open-market buy | 4,500 | $4.46 | 105,822,965 |
| 2011-09-28 | Open-market buy | 500 | $4.46 | 105,818,465 |
| 2011-09-26 | Open-market buy | 7,100 | $4.33 | 105,815,065 |
| 2011-09-26 | Open-market buy | 2,900 | $4.34 | 105,817,965 |
| 2011-09-23 | Open-market buy | 100 | $4.34 | 105,793,065 |
| 2011-09-23 | Open-market buy | 1,900 | $4.34 | 105,794,965 |
| 2011-09-23 | Open-market buy | 6,000 | $4.35 | 105,800,965 |
| 2011-09-23 | Open-market buy | 2,000 | $4.36 | 105,802,965 |
| 2011-09-23 | Open-market buy | 4,500 | $4.37 | 105,807,465 |
| 2011-09-23 | Open-market buy | 114 | $4.38 | 105,807,579 |
| 2011-09-23 | Open-market buy | 386 | $4.39 | 105,807,965 |
| 2011-09-22 | Open-market buy | 1,000 | $4.37 | 105,783,965 |
| 2011-09-22 | Open-market buy | 2,500 | $4.41 | 105,789,465 |
| 2011-09-22 | Open-market buy | 3,500 | $4.43 | 105,792,965 |
| 2011-09-22 | Open-market buy | 3,000 | $4.40 | 105,786,965 |
| 2011-09-21 | Open-market buy | 1,000 | $4.45 | 105,782,965 |
| 2011-09-21 | Open-market buy | 6,600 | $4.40 | 105,769,565 |
| 2011-09-21 | Open-market buy | 4,900 | $4.41 | 105,774,465 |
| 2011-09-21 | Open-market buy | 2,500 | $4.42 | 105,776,965 |
| 2011-09-21 | Open-market buy | 5,000 | $4.43 | 105,781,965 |
| 2011-08-30 | Open-market buy | 3,557 | $4.17 | 105,756,722 |
| 2011-08-30 | Open-market buy | 200 | $4.16 | 105,753,165 |
| 2011-08-30 | Open-market buy | 900 | $4.14 | 105,752,965 |
| 2011-08-30 | Open-market buy | 900 | $4.18 | 105,757,622 |
| 2011-08-30 | Open-market buy | 343 | $4.19 | 105,757,965 |
| 2011-08-30 | Open-market buy | 5,000 | $4.20 | 105,762,965 |
| 2011-08-30 | Open-market buy | 4,100 | $4.12 | 105,752,065 |
| 2011-08-29 | Open-market buy | 857 | $4.09 | 105,737,965 |
| 2011-08-29 | Open-market buy | 3,400 | $4.05 | 105,731,365 |
| 2011-08-29 | Open-market buy | 10,000 | $4.14 | 105,747,965 |
| 2011-08-29 | Open-market buy | 3,800 | $4.08 | 105,737,108 |
| 2011-08-29 | Open-market buy | 1,143 | $4.07 | 105,733,308 |
| 2011-08-29 | Open-market buy | 800 | $4.06 | 105,732,165 |
| 2011-08-26 | Open-market buy | 2,400 | $4.01 | 105,722,965 |
| 2011-08-26 | Open-market buy | 4,600 | $3.99 | 105,708,765 |
| 2011-08-26 | Open-market buy | 11,800 | $4.00 | 105,720,565 |
| 2011-08-26 | Open-market buy | 2,200 | $3.98 | 105,704,165 |
| 2011-08-26 | Open-market buy | 1,100 | $4.03 | 105,727,965 |
| 2011-08-26 | Open-market buy | 3,900 | $4.02 | 105,726,865 |
| 2011-08-25 | Open-market buy | 3,000 | $3.87 | 105,679,965 |
| 2011-08-25 | Open-market buy | 6,700 | $3.88 | 105,686,665 |
| 2011-08-25 | Open-market buy | 300 | $3.89 | 105,686,965 |
| 2011-08-25 | Open-market buy | 1,300 | $3.90 | 105,688,265 |
| 2011-08-25 | Open-market buy | 1,000 | $3.91 | 105,689,265 |
| 2011-08-25 | Open-market buy | 7,100 | $3.91 | 105,696,365 |
| 2011-08-25 | Open-market buy | 800 | $3.92 | 105,697,165 |
| 2011-08-25 | Open-market buy | 4,800 | $3.92 | 105,701,965 |
| 2011-08-24 | Open-market buy | 4,734 | $3.85 | 105,657,599 |
| 2011-08-24 | Open-market buy | 2,400 | $3.79 | 105,644,365 |
| 2011-08-24 | Open-market buy | 3,100 | $3.87 | 105,669,299 |
| 2011-08-24 | Open-market buy | 3,166 | $3.88 | 105,672,465 |
| 2011-08-24 | Open-market buy | 1,300 | $3.89 | 105,673,765 |
| 2011-08-24 | Open-market buy | 3,200 | $3.90 | 105,676,965 |
| 2011-08-24 | Open-market buy | 900 | $3.84 | 105,652,865 |
| 2011-08-24 | Open-market buy | 4,700 | $3.82 | 105,651,965 |
| 2011-08-24 | Open-market buy | 993 | $3.81 | 105,647,265 |
| 2011-08-24 | Open-market buy | 1,907 | $3.80 | 105,646,272 |
| 2011-08-24 | Open-market buy | 8,600 | $3.86 | 105,666,199 |
| 2011-08-23 | Open-market buy | 2,992 | $3.63 | 105,582,457 |
| 2011-08-23 | Open-market buy | 5,000 | $3.88 | 105,641,965 |
| 2011-08-23 | Open-market buy | 2,500 | $3.87 | 105,636,965 |
| 2011-08-23 | Open-market buy | 600 | $3.86 | 105,634,465 |
| 2011-08-23 | Open-market buy | 200 | $3.85 | 105,633,865 |
| 2011-08-23 | Open-market buy | 19,200 | $3.84 | 105,633,665 |
| 2011-08-23 | Open-market buy | 5,000 | $3.80 | 105,614,465 |
| 2011-08-23 | Open-market buy | 10,000 | $3.78 | 105,609,465 |
| 2011-08-23 | Open-market buy | 7,008 | $3.64 | 105,589,465 |
| 2011-08-23 | Open-market buy | 100 | $3.66 | 105,589,565 |
| 2011-08-23 | Open-market buy | 4,900 | $3.67 | 105,594,465 |
| 2011-08-23 | Open-market buy | 5,000 | $3.70 | 105,599,465 |
| 2011-08-22 | Open-market buy | 6,200 | $3.60 | 105,559,465 |
| 2011-08-22 | Open-market buy | 400 | $3.64 | 105,564,865 |
| 2011-08-22 | Open-market buy | 5,000 | $3.62 | 105,564,465 |
| 2011-08-22 | Open-market buy | 2,700 | $3.59 | 105,553,265 |
| 2011-08-22 | Open-market buy | 1,900 | $3.64 | 105,566,765 |
| 2011-08-22 | Open-market buy | 7,300 | $3.65 | 105,574,065 |
| 2011-08-22 | Open-market buy | 5,400 | $3.66 | 105,579,465 |
| 2011-08-22 | Open-market buy | 6,000 | $3.58 | 105,550,565 |
| 2011-08-22 | Open-market buy | 100 | $3.58 | 105,544,565 |
| 2011-08-22 | Open-market buy | 5,000 | $3.53 | 105,544,465 |
| 2011-08-18 | Open-market buy | 2,000 | $3.67 | 105,529,965 |
| 2011-08-18 | Open-market buy | 4,600 | $3.64 | 105,519,065 |
| 2011-08-18 | Open-market buy | 6,400 | $3.65 | 105,525,465 |
| 2011-08-18 | Open-market buy | 400 | $3.72 | 105,536,365 |
| 2011-08-18 | Open-market buy | 1,500 | $3.74 | 105,539,465 |
| 2011-08-18 | Open-market buy | 1,600 | $3.73 | 105,537,965 |
| 2011-08-18 | Open-market buy | 2,500 | $3.66 | 105,527,965 |
| 2011-08-18 | Open-market buy | 1,000 | $3.71 | 105,535,965 |
| 2011-08-18 | Open-market buy | 1,300 | $3.69 | 105,534,965 |
| 2011-08-18 | Open-market buy | 3,700 | $3.68 | 105,533,665 |
| 2011-08-17 | Open-market buy | 1,400 | $3.89 | 105,509,465 |
| 2011-08-17 | Open-market buy | 1,500 | $3.78 | 105,500,965 |
| 2011-08-17 | Open-market buy | 1,000 | $3.80 | 105,501,965 |
| 2011-08-17 | Open-market buy | 1,394 | $3.81 | 105,503,359 |
| 2011-08-17 | Open-market buy | 1,606 | $3.82 | 105,504,965 |
| 2011-08-17 | Open-market buy | 500 | $3.85 | 105,505,465 |
| 2011-08-17 | Open-market buy | 500 | $3.86 | 105,505,965 |
| 2011-08-17 | Open-market buy | 1,500 | $3.87 | 105,507,465 |
| 2011-08-17 | Open-market buy | 600 | $3.88 | 105,508,065 |
| 2011-08-17 | Open-market buy | 2,000 | $3.90 | 105,511,465 |
| 2011-08-17 | Open-market buy | 2,500 | $3.92 | 105,514,465 |
| 2011-08-17 | Open-market buy | 500 | $3.91 | 105,511,965 |
| 2011-08-16 | Open-market buy | 2,800 | $3.88 | 105,479,265 |
| 2011-08-16 | Open-market buy | 2,300 | $3.89 | 105,481,565 |
| 2011-08-16 | Open-market buy | 4,569 | $3.93 | 105,499,465 |
| 2011-08-16 | Open-market buy | 4,600 | $3.91 | 105,491,265 |
| 2011-08-16 | Open-market buy | 3,631 | $3.92 | 105,494,896 |
| 2011-08-16 | Open-market buy | 5,100 | $3.90 | 105,486,665 |
| 2011-08-15 | Open-market buy | 3,000 | $3.95 | 105,471,465 |
| 2011-08-15 | Open-market buy | 5,000 | $3.96 | 105,476,465 |
| 2011-08-15 | Open-market buy | 4,600 | $3.94 | 105,468,465 |
| 2011-08-15 | Open-market buy | 12,000 | $3.92 | 105,458,465 |
| 2011-08-15 | Open-market buy | 5,400 | $3.93 | 105,463,865 |
| 2011-08-12 | Open-market buy | 3,099 | $3.87 | 105,435,465 |
| 2011-08-12 | Open-market buy | 5,101 | $3.86 | 105,432,366 |
| 2011-08-12 | Open-market buy | 4,700 | $3.85 | 105,427,265 |
| 2011-08-12 | Open-market buy | 21,000 | $3.83 | 105,422,565 |
| 2011-08-12 | Open-market buy | 4,200 | $3.89 | 105,446,465 |
| 2011-08-12 | Open-market buy | 6,800 | $3.88 | 105,442,265 |
| 2011-08-12 | Open-market buy | 2,700 | $3.82 | 105,401,565 |
| 2011-08-12 | Open-market buy | 400 | $3.79 | 105,396,865 |
| 2011-08-12 | Open-market buy | 2,000 | $3.81 | 105,398,865 |
| 2011-08-11 | Open-market buy | 3,800 | $3.78 | 105,369,265 |
| 2011-08-11 | Open-market buy | 1,900 | $3.89 | 105,395,166 |
| 2011-08-11 | Open-market buy | 1,299 | $3.90 | 105,396,465 |
| 2011-08-11 | Open-market buy | 2,700 | $3.63 | 105,359,165 |
| 2011-08-11 | Open-market buy | 1,000 | $3.64 | 105,360,165 |
| 2011-08-11 | Open-market buy | 1,600 | $3.65 | 105,361,765 |
| 2011-08-11 | Open-market buy | 1,700 | $3.66 | 105,363,465 |
| 2011-08-11 | Open-market buy | 1,000 | $3.70 | 105,364,465 |
| 2011-08-11 | Open-market buy | 1,000 | $3.71 | 105,365,465 |
| 2011-08-11 | Open-market buy | 4,000 | $3.79 | 105,373,265 |
| 2011-08-11 | Open-market buy | 1,701 | $3.88 | 105,393,266 |
| 2011-08-11 | Open-market buy | 3,542 | $3.87 | 105,391,565 |
| 2011-08-11 | Open-market buy | 3,558 | $3.86 | 105,388,023 |
| 2011-08-11 | Open-market buy | 3,400 | $3.85 | 105,384,465 |
| 2011-08-11 | Open-market buy | 1,600 | $3.84 | 105,381,065 |
| 2011-08-11 | Open-market buy | 6,200 | $3.80 | 105,379,465 |
| 2011-08-10 | Open-market buy | 13,900 | $3.70 | 105,342,865 |
| 2011-08-10 | Open-market buy | 12,400 | $3.72 | 105,355,265 |
| 2011-08-10 | Open-market buy | 1,200 | $3.73 | 105,356,465 |
| 2011-08-10 | Open-market buy | 2,500 | $3.69 | 105,328,965 |
| 2011-08-10 | Open-market buy | 17,500 | $3.62 | 105,323,965 |
| 2011-08-10 | Open-market buy | 2,500 | $3.66 | 105,326,465 |
| 2011-08-08 | Open-market buy | 201 | $3.60 | 105,277,066 |
| 2011-08-08 | Open-market buy | 200 | $3.58 | 105,276,665 |
| 2011-08-08 | Open-market buy | 200 | $3.59 | 105,276,865 |
| 2011-08-08 | Open-market buy | 2,300 | $3.61 | 105,279,366 |
| 2011-08-08 | Open-market buy | 452 | $3.62 | 105,279,818 |
| 2011-08-08 | Open-market buy | 7,215 | $3.63 | 105,287,033 |
| 2011-08-08 | Open-market buy | 500 | $3.64 | 105,287,533 |
| 2011-08-08 | Open-market buy | 1,432 | $3.65 | 105,288,965 |
| 2011-08-08 | Open-market buy | 1,000 | $3.66 | 105,289,965 |
| 2011-08-08 | Open-market buy | 3,500 | $3.68 | 105,293,465 |
| 2011-08-08 | Open-market buy | 1,000 | $3.69 | 105,294,465 |
| 2011-08-08 | Open-market buy | 5,300 | $3.71 | 105,299,765 |
| 2011-08-08 | Open-market buy | 1,800 | $3.72 | 105,301,565 |
| 2011-08-08 | Open-market buy | 4,900 | $3.73 | 105,306,465 |
| 2011-08-08 | Open-market buy | 20,000 | $3.54 | 105,276,465 |
| 2011-08-05 | Open-market buy | 24,625 | $3.92 | 105,185,444 |
| 2011-08-05 | Open-market buy | 6,854 | $3.91 | 105,160,819 |
| 2011-08-05 | Open-market buy | 7,100 | $3.90 | 105,153,965 |
| 2011-08-05 | Open-market buy | 5,000 | $3.88 | 105,146,465 |
| 2011-08-05 | Open-market buy | 7,500 | $3.87 | 105,141,465 |
| 2011-08-05 | Open-market buy | 2,500 | $3.84 | 105,133,965 |
| 2011-08-05 | Open-market buy | 5,000 | $3.93 | 105,190,444 |
| 2011-08-05 | Open-market buy | 3,600 | $3.94 | 105,194,044 |
| 2011-08-05 | Open-market buy | 16,154 | $3.95 | 105,210,198 |
| 2011-08-05 | Open-market buy | 32,667 | $3.96 | 105,242,865 |
| 2011-08-05 | Open-market buy | 5,400 | $3.97 | 105,248,265 |
| 2011-08-05 | Open-market buy | 8,200 | $3.98 | 105,256,465 |
| 2011-08-05 | Open-market buy | 400 | $3.89 | 105,146,865 |
| 2011-08-04 | Open-market buy | 5,000 | $3.88 | 105,086,465 |
| 2011-08-04 | Open-market buy | 2,500 | $3.90 | 105,088,965 |
| 2011-08-04 | Open-market buy | 9,185 | $3.91 | 105,098,150 |
| 2011-08-04 | Open-market buy | 5,815 | $3.92 | 105,103,965 |
| 2011-08-04 | Open-market buy | 2,500 | $3.94 | 105,106,465 |
| 2011-08-04 | Open-market buy | 2,500 | $3.95 | 105,108,965 |
| 2011-08-04 | Open-market buy | 10,000 | $3.97 | 105,123,965 |
| 2011-08-04 | Open-market buy | 7,500 | $3.98 | 105,131,465 |
| 2011-08-04 | Open-market buy | 5,000 | $3.96 | 105,113,965 |
| 2011-08-03 | Open-market buy | 2,500 | $4.06 | 105,033,965 |
| 2011-08-03 | Open-market buy | 5,000 | $4.25 | 105,081,465 |
| 2011-08-03 | Open-market buy | 5,000 | $4.24 | 105,076,465 |
| 2011-08-03 | Open-market buy | 4,400 | $4.23 | 105,071,465 |
| 2011-08-03 | Open-market buy | 5,000 | $4.22 | 105,067,065 |
| 2011-08-03 | Open-market buy | 4,200 | $4.21 | 105,062,065 |
| 2011-08-03 | Open-market buy | 7,200 | $4.20 | 105,057,865 |
| 2011-08-03 | Open-market buy | 2,200 | $4.19 | 105,050,665 |
| 2011-08-03 | Open-market buy | 1,000 | $4.17 | 105,048,465 |
| 2011-08-03 | Open-market buy | 4,800 | $4.16 | 105,047,465 |
| 2011-08-03 | Open-market buy | 2,700 | $4.15 | 105,042,665 |
| 2011-08-03 | Open-market buy | 2,500 | $4.14 | 105,039,965 |
| 2011-08-03 | Open-market buy | 1,000 | $4.11 | 105,037,465 |
| 2011-08-03 | Open-market buy | 2,500 | $4.10 | 105,036,465 |
| 2011-08-02 | Open-market buy | 20,647 | $4.26 | 104,996,615 |
| 2011-08-02 | Open-market buy | 6,950 | $4.28 | 105,003,565 |
| 2011-08-02 | Open-market buy | 8,300 | $4.29 | 105,011,865 |
| 2011-08-02 | Open-market buy | 4,503 | $4.25 | 104,975,968 |
| 2011-08-02 | Open-market buy | 19,600 | $4.30 | 105,031,465 |
| 2011-07-27 | Open-market buy | 42,379 | $4.12 | 104,942,406 |
| 2011-07-27 | Open-market buy | 3,937 | $4.14 | 104,966,542 |
| 2011-07-27 | Open-market buy | 20,199 | $4.13 | 104,962,605 |
| 2011-07-27 | Open-market buy | 4,923 | $4.15 | 104,971,465 |
| 2011-07-27 | Open-market buy | 20,662 | $4.11 | 104,900,027 |
| 2011-07-27 | Open-market buy | 7,900 | $4.10 | 104,879,365 |
| 2011-06-22 | Open-market buy | 2,500 | $3.42 | 104,866,465 |
| 2011-06-22 | Open-market buy | 33,770 | $3.41 | 104,863,965 |
| 2011-06-22 | Open-market buy | 4,621 | $3.38 | 104,826,086 |
| 2011-06-22 | Open-market buy | 5,000 | $3.44 | 104,871,465 |
| 2011-06-22 | Open-market buy | 4,109 | $3.40 | 104,830,195 |
| 2011-06-17 | Open-market buy | 25,475 | $3.31 | 104,821,465 |
| 2011-06-17 | Open-market buy | 8,750 | $3.28 | 104,780,215 |
| 2011-06-17 | Open-market buy | 15,775 | $3.30 | 104,795,990 |
| 2011-06-16 | Open-market buy | 1,000 | $3.39 | 104,723,765 |
| 2011-06-16 | Open-market buy | 3,600 | $3.40 | 104,727,365 |
| 2011-06-16 | Open-market buy | 15,561 | $3.41 | 104,742,926 |
| 2011-06-16 | Open-market buy | 300 | $3.37 | 104,721,765 |
| 2011-06-16 | Open-market buy | 1,000 | $3.43 | 104,755,965 |
| 2011-06-16 | Open-market buy | 9,000 | $3.44 | 104,764,965 |
| 2011-06-16 | Open-market buy | 6,500 | $3.45 | 104,771,465 |
| 2011-06-16 | Open-market buy | 1,000 | $3.38 | 104,722,765 |
| 2011-06-16 | Open-market buy | 12,039 | $3.42 | 104,754,965 |
| 2011-06-15 | Open-market buy | 1,000 | $3.40 | 104,672,465 |
| 2011-06-15 | Open-market buy | 4,000 | $3.44 | 104,721,465 |
| 2011-06-15 | Open-market buy | 19,601 | $3.42 | 104,695,066 |
| 2011-06-15 | Open-market buy | 3,000 | $3.41 | 104,675,465 |
| 2011-06-15 | Open-market buy | 22,399 | $3.43 | 104,717,465 |
| 2011-06-14 | Open-market buy | 21,000 | $3.47 | 104,652,265 |
| 2011-06-14 | Open-market buy | 300 | $3.45 | 104,624,365 |
| 2011-06-14 | Open-market buy | 100 | $3.44 | 104,624,065 |
| 2011-06-14 | Open-market buy | 3,700 | $3.45 | 104,628,065 |
| 2011-06-14 | Open-market buy | 200 | $3.47 | 104,631,265 |
| 2011-06-14 | Open-market buy | 15,700 | $3.48 | 104,668,465 |
| 2011-06-14 | Open-market buy | 3,000 | $3.49 | 104,671,465 |
| 2011-06-14 | Open-market buy | 2,500 | $3.42 | 104,623,965 |
| 2011-06-14 | Open-market buy | 3,000 | $3.46 | 104,631,065 |
| 2011-06-14 | Open-market buy | 500 | $3.48 | 104,652,765 |
| 2011-06-13 | Open-market buy | 5,772 | $3.46 | 104,621,465 |
| 2011-06-13 | Open-market buy | 228 | $3.45 | 104,615,693 |
| 2011-06-13 | Open-market buy | 2,000 | $3.44 | 104,615,465 |
| 2011-06-13 | Open-market buy | 3,500 | $3.43 | 104,613,465 |
| 2011-06-13 | Open-market buy | 2,000 | $3.42 | 104,609,965 |
| 2011-06-13 | Open-market buy | 9,237 | $3.41 | 104,607,965 |
| 2011-06-13 | Open-market buy | 19,263 | $3.40 | 104,598,728 |
| 2011-06-13 | Open-market buy | 1,000 | $3.40 | 104,579,465 |
| 2011-06-13 | Open-market buy | 1,000 | $3.39 | 104,578,465 |
| 2011-06-13 | Open-market buy | 3,000 | $3.37 | 104,577,465 |
| 2011-06-13 | Open-market buy | 2,000 | $3.37 | 104,574,465 |
| 2011-06-13 | Open-market buy | 1,000 | $3.36 | 104,572,465 |
| 2011-06-10 | Open-market buy | 5,000 | $3.45 | 104,571,465 |
| 2011-06-10 | Open-market buy | 4,551 | $3.44 | 104,566,465 |
| 2011-06-10 | Open-market buy | 10,449 | $3.43 | 104,561,914 |
| 2011-06-09 | Open-market buy | 1,200 | $3.41 | 104,463,706 |
| 2011-06-09 | Open-market buy | 22,249 | $3.42 | 104,485,955 |
| 2011-06-09 | Open-market buy | 5,250 | $3.43 | 104,491,205 |
| 2011-06-09 | Open-market buy | 25,944 | $3.44 | 104,517,149 |
| 2011-06-09 | Open-market buy | 10,306 | $3.45 | 104,527,455 |
| 2011-06-09 | Open-market buy | 20,810 | $3.46 | 104,548,265 |
| 2011-06-09 | Open-market buy | 3,200 | $3.47 | 104,551,465 |
| 2011-06-08 | Open-market buy | 3,200 | $3.53 | 104,446,706 |
| 2011-06-08 | Open-market buy | 15,800 | $3.54 | 104,462,506 |
| 2011-06-08 | Open-market buy | 11,000 | $3.52 | 104,443,506 |
| 2011-06-03 | Open-market buy | 4,900 | $3.56 | 104,425,406 |
| 2011-06-03 | Open-market buy | 2,000 | $3.55 | 104,420,506 |
| 2011-06-03 | Open-market buy | 1,000 | $3.54 | 104,418,506 |
| 2011-06-03 | Open-market buy | 7,100 | $3.57 | 104,432,506 |
| 2011-06-01 | Open-market buy | 7,800 | $3.66 | 104,402,506 |
| 2011-06-01 | Open-market buy | 10,000 | $3.56 | 104,377,506 |
| 2011-06-01 | Open-market buy | 15,000 | $3.69 | 104,417,506 |
| 2011-06-01 | Open-market buy | 5,000 | $3.62 | 104,382,506 |
| 2011-06-01 | Open-market buy | 5,000 | $3.64 | 104,387,506 |
| 2011-06-01 | Open-market buy | 7,200 | $3.65 | 104,394,706 |
| 2011-05-31 | Open-market buy | 13,000 | $3.68 | 104,330,506 |
| 2011-05-31 | Open-market buy | 17,600 | $3.77 | 104,367,506 |
| 2011-05-31 | Open-market buy | 2,400 | $3.76 | 104,349,906 |
| 2011-05-31 | Open-market buy | 3,587 | $3.74 | 104,347,506 |
| 2011-05-31 | Open-market buy | 3,600 | $3.73 | 104,343,919 |
| 2011-05-31 | Open-market buy | 2,613 | $3.71 | 104,340,319 |
| 2011-05-31 | Open-market buy | 5,200 | $3.70 | 104,337,706 |
| 2011-05-31 | Open-market buy | 2,000 | $3.69 | 104,332,506 |
| 2011-05-27 | Open-market buy | 200 | $3.75 | 104,307,706 |
| 2011-05-27 | Open-market buy | 9,800 | $3.77 | 104,317,506 |
| 2011-05-24 | Open-market buy | 951 | $3.70 | 104,298,457 |
| 2011-05-24 | Open-market buy | 4,049 | $3.71 | 104,302,506 |
| 2011-05-24 | Open-market buy | 5,000 | $3.72 | 104,307,506 |
| 2011-05-19 | Open-market buy | 35,454 | $3.80 | 104,297,506 |
| 2011-05-17 | Open-market buy | 6,100 | $3.68 | 104,262,052 |
| 2011-05-17 | Open-market buy | 1,000 | $3.66 | 104,248,052 |
| 2011-05-17 | Open-market buy | 7,900 | $3.67 | 104,255,952 |
| 2011-05-16 | Open-market buy | 2,500 | $3.68 | 104,247,052 |
| 2011-05-16 | Open-market buy | 7,500 | $3.67 | 104,244,552 |
| 2011-05-16 | Open-market buy | 10,000 | $3.66 | 104,237,052 |
| 2011-05-13 | Open-market buy | 9,500 | $3.74 | 104,227,052 |
| 2011-05-13 | Open-market buy | 1,000 | $3.70 | 104,213,052 |
| 2011-05-13 | Open-market buy | 1,000 | $3.71 | 104,214,052 |
| 2011-05-13 | Open-market buy | 1,000 | $3.72 | 104,215,052 |
| 2011-05-13 | Open-market buy | 2,500 | $3.73 | 104,217,552 |
| 2011-05-11 | Open-market buy | 2,500 | $3.78 | 104,207,052 |
| 2011-05-11 | Open-market buy | 6,500 | $3.77 | 104,204,552 |
| 2011-05-11 | Open-market buy | 2,500 | $3.79 | 104,209,552 |
| 2011-05-11 | Open-market buy | 2,500 | $3.82 | 104,212,052 |
| 2011-05-11 | Open-market buy | 1,000 | $3.76 | 104,198,052 |
| 2011-05-06 | Open-market buy | 6,012 | $3.75 | 104,197,052 |
| 2011-05-06 | Open-market buy | 3,988 | $3.74 | 104,191,040 |
| 2011-05-06 | Open-market buy | 4,200 | $3.73 | 104,187,052 |
| 2011-05-06 | Open-market buy | 800 | $3.73 | 104,182,852 |
| 2011-05-05 | Open-market buy | 1,237 | $3.69 | 104,163,289 |
| 2011-05-05 | Open-market buy | 763 | $3.70 | 104,164,052 |
| 2011-05-05 | Open-market buy | 1,000 | $3.71 | 104,165,052 |
| 2011-05-05 | Open-market buy | 1,000 | $3.72 | 104,166,052 |
| 2011-05-05 | Open-market buy | 7,000 | $3.73 | 104,173,052 |
| 2011-05-05 | Open-market buy | 3,500 | $3.74 | 104,176,552 |
| 2011-05-05 | Open-market buy | 5,500 | $3.76 | 104,182,052 |
| 2011-05-04 | Open-market buy | 5,000 | $3.80 | 104,154,052 |
| 2011-05-04 | Open-market buy | 6,000 | $3.79 | 104,149,052 |
| 2011-05-04 | Open-market buy | 1,000 | $3.78 | 104,143,052 |
| 2011-05-04 | Open-market buy | 8,000 | $3.81 | 104,162,052 |
| 2011-05-03 | Open-market buy | 6,000 | $3.83 | 104,134,052 |
| 2011-05-03 | Open-market buy | 2,500 | $3.79 | 104,124,552 |
| 2011-05-03 | Open-market buy | 1,000 | $3.80 | 104,125,552 |
| 2011-05-03 | Open-market buy | 1,500 | $3.81 | 104,127,052 |
| 2011-05-03 | Open-market buy | 7,146 | $3.85 | 104,142,052 |
| 2011-05-03 | Open-market buy | 854 | $3.84 | 104,134,906 |
| 2011-05-03 | Open-market buy | 1,000 | $3.82 | 104,128,052 |
| 2011-04-21 | Open-market buy | 9,579 | $3.74 | 104,116,631 |
| 2011-04-21 | Open-market buy | 5,000 | $3.73 | 104,107,052 |
| 2011-04-21 | Open-market buy | 5,421 | $3.75 | 104,122,052 |
| 2011-04-18 | Open-market buy | 6,000 | $3.84 | 104,102,052 |
| 2011-04-18 | Open-market buy | 5,000 | $3.78 | 104,096,052 |
| 2011-04-18 | Open-market buy | 7,409 | $3.77 | 104,091,052 |
| 2011-04-18 | Open-market buy | 1,591 | $3.76 | 104,083,643 |
| 2011-04-18 | Open-market buy | 5,000 | $3.75 | 104,082,052 |
| 2011-04-13 | Open-market buy | 1,000 | $3.64 | 104,068,052 |
| 2011-04-13 | Open-market buy | 2,500 | $3.66 | 104,077,052 |
| 2011-04-13 | Open-market buy | 6,500 | $3.65 | 104,074,552 |
| 2011-04-11 | Open-market buy | 500 | $3.73 | 104,064,552 |
| 2011-04-11 | Open-market buy | 2,000 | $3.72 | 104,064,052 |
| 2011-04-11 | Open-market buy | 1,500 | $3.71 | 104,062,052 |
| 2011-04-11 | Open-market buy | 3,700 | $3.70 | 104,060,552 |
| 2011-04-11 | Open-market buy | 500 | $3.74 | 104,067,052 |
| 2011-04-11 | Open-market buy | 500 | $3.68 | 104,052,552 |
| 2011-04-11 | Open-market buy | 2,000 | $3.73 | 104,066,552 |
| 2011-04-11 | Open-market buy | 4,300 | $3.69 | 104,056,852 |
| 2011-04-08 | Open-market buy | 1,500 | $3.78 | 104,052,052 |
| 2011-04-08 | Open-market buy | 3,500 | $3.76 | 104,045,552 |
| 2011-04-08 | Open-market buy | 5,000 | $3.77 | 104,050,552 |
| 2011-04-06 | Open-market buy | 10,000 | $3.78 | 104,042,052 |
| 2011-04-01 | Open-market buy | 4,500 | $3.71 | 104,021,552 |
| 2011-04-01 | Open-market buy | 5,000 | $3.72 | 104,026,552 |
| 2011-04-01 | Open-market buy | 1,500 | $3.73 | 104,028,052 |
| 2011-04-01 | Open-market buy | 4,000 | $3.76 | 104,032,052 |
| 2011-03-31 | Open-market buy | 2,500 | $3.75 | 104,017,052 |
| 2011-03-31 | Open-market buy | 2,500 | $3.74 | 104,014,552 |
| 2011-03-31 | Open-market buy | 10,000 | $3.73 | 104,012,052 |
| 2011-03-30 | Open-market buy | 2,500 | $3.81 | 103,999,552 |
| 2011-03-30 | Open-market buy | 2,500 | $3.80 | 103,997,052 |
| 2011-03-30 | Open-market buy | 2,500 | $3.78 | 103,994,552 |
| 2011-03-30 | Open-market buy | 2,500 | $3.82 | 104,002,052 |
| 2011-03-28 | Open-market buy | 5,000 | $3.75 | 103,987,052 |
| 2011-03-28 | Open-market buy | 5,000 | $3.76 | 103,992,052 |
| 2011-03-23 | Open-market buy | 2,500 | $3.65 | 103,969,552 |
| 2011-03-23 | Open-market buy | 1,000 | $3.70 | 103,970,552 |
| 2011-03-23 | Open-market buy | 1,500 | $3.71 | 103,972,052 |
| 2011-03-23 | Open-market buy | 2,500 | $3.84 | 103,982,052 |
| 2011-03-23 | Open-market buy | 1,000 | $3.83 | 103,979,552 |
| 2011-03-23 | Open-market buy | 2,500 | $3.82 | 103,978,552 |
| 2011-03-23 | Open-market buy | 2,500 | $3.78 | 103,976,052 |
| 2011-03-23 | Open-market buy | 1,500 | $3.77 | 103,973,552 |
| 2011-03-22 | Open-market buy | 5,000 | $3.72 | 103,966,052 |
| 2011-03-22 | Open-market buy | 1,000 | $3.73 | 103,967,052 |
| 2011-03-22 | Open-market buy | 1,000 | $3.71 | 103,961,052 |
| 2011-03-22 | Open-market buy | 2,500 | $3.59 | 103,944,552 |
| 2011-03-22 | Open-market buy | 2,500 | $3.60 | 103,947,052 |
| 2011-03-22 | Open-market buy | 2,500 | $3.61 | 103,949,552 |
| 2011-03-22 | Open-market buy | 500 | $3.69 | 103,960,052 |
| 2011-03-22 | Open-market buy | 5,000 | $3.65 | 103,959,552 |
| 2011-03-22 | Open-market buy | 2,500 | $3.64 | 103,954,552 |
| 2011-03-22 | Open-market buy | 2,500 | $3.63 | 103,952,052 |
| 2011-03-18 | Open-market buy | 4,000 | $3.67 | 103,921,052 |
| 2011-03-18 | Open-market buy | 3,500 | $3.65 | 103,942,052 |
| 2011-03-18 | Open-market buy | 17,500 | $3.66 | 103,938,552 |
| 2011-03-16 | Open-market buy | 5,200 | $3.68 | 103,900,152 |
| 2011-03-16 | Open-market buy | 2,100 | $3.67 | 103,894,952 |
| 2011-03-16 | Open-market buy | 16,900 | $3.69 | 103,917,052 |
| 2011-03-16 | Open-market buy | 2,500 | $3.66 | 103,892,852 |
| 2011-03-16 | Open-market buy | 2,500 | $3.61 | 103,869,552 |
| 2011-03-16 | Open-market buy | 7,800 | $3.65 | 103,890,352 |
| 2011-03-16 | Open-market buy | 8,000 | $3.64 | 103,882,552 |
| 2011-03-16 | Open-market buy | 5,000 | $3.62 | 103,874,552 |
| 2011-03-15 | Open-market buy | 7,500 | $3.70 | 103,860,052 |
| 2011-03-15 | Open-market buy | 22,300 | $3.69 | 103,852,552 |
| 2011-03-15 | Open-market buy | 400 | $3.69 | 103,830,252 |
| 2011-03-15 | Open-market buy | 2,500 | $3.74 | 103,867,052 |
| 2011-03-15 | Open-market buy | 2,400 | $3.67 | 103,819,452 |
| 2011-03-15 | Open-market buy | 1,000 | $3.72 | 103,861,052 |
| 2011-03-15 | Open-market buy | 3,500 | $3.73 | 103,864,552 |
| 2011-03-15 | Open-market buy | 10,400 | $3.68 | 103,829,852 |
| 2011-03-14 | Open-market buy | 3,300 | $3.74 | 103,792,852 |
| 2011-03-14 | Open-market buy | 6,700 | $3.75 | 103,799,552 |
| 2011-03-14 | Open-market buy | 5,000 | $3.76 | 103,804,552 |
| 2011-03-14 | Open-market buy | 993 | $3.70 | 103,788,045 |
| 2011-03-14 | Open-market buy | 7,500 | $3.67 | 103,782,052 |
| 2011-03-14 | Open-market buy | 2,500 | $3.66 | 103,774,552 |
| 2011-03-14 | Open-market buy | 1,507 | $3.71 | 103,789,552 |
| 2011-03-14 | Open-market buy | 5,000 | $3.68 | 103,787,052 |
| 2011-03-14 | Open-market buy | 5,000 | $3.65 | 103,772,052 |
| 2011-03-14 | Open-market buy | 2,500 | $3.80 | 103,817,052 |
| 2011-03-14 | Open-market buy | 5,000 | $3.79 | 103,814,552 |
| 2011-03-14 | Open-market buy | 2,500 | $3.78 | 103,809,552 |
| 2011-03-14 | Open-market buy | 2,500 | $3.77 | 103,807,052 |
| 2011-03-11 | Open-market buy | 2,500 | $3.67 | 103,672,052 |
| 2011-03-11 | Open-market buy | 2,500 | $3.66 | 103,669,552 |
| 2011-03-11 | Open-market buy | 2,500 | $3.68 | 103,674,552 |
| 2011-03-11 | Open-market buy | 5,000 | $3.69 | 103,679,552 |
| 2011-03-11 | Open-market buy | 20,000 | $3.70 | 103,699,552 |
| 2011-03-11 | Open-market buy | 27,500 | $3.71 | 103,727,052 |
| 2011-03-11 | Open-market buy | 5,000 | $3.72 | 103,732,052 |
| 2011-03-11 | Open-market buy | 8,680 | $3.75 | 103,767,052 |
| 2011-03-11 | Open-market buy | 11,320 | $3.74 | 103,758,372 |
| 2011-03-11 | Open-market buy | 15,000 | $3.73 | 103,747,052 |
| 2011-03-10 | Open-market buy | 5,000 | $3.48 | 103,542,052 |
| 2011-03-10 | Open-market buy | 10,000 | $3.47 | 103,537,052 |
| 2011-03-10 | Open-market buy | 20,000 | $3.50 | 103,582,052 |
| 2011-03-10 | Open-market buy | 20,000 | $3.49 | 103,562,052 |
| 2011-03-10 | Open-market buy | 5,000 | $3.46 | 103,527,052 |
| 2011-03-10 | Open-market buy | 2,500 | $3.51 | 103,584,552 |
| 2011-03-10 | Open-market buy | 8,800 | $3.52 | 103,667,052 |
| 2011-03-10 | Open-market buy | 28,700 | $3.53 | 103,613,252 |
| 2011-03-10 | Open-market buy | 4,100 | $3.54 | 103,617,352 |
| 2011-03-10 | Open-market buy | 20,900 | $3.55 | 103,638,252 |
| 2011-03-10 | Open-market buy | 800 | $3.57 | 103,639,052 |
| 2011-03-10 | Open-market buy | 8,822 | $3.58 | 103,647,874 |
| 2011-03-10 | Open-market buy | 5,378 | $3.59 | 103,653,252 |
| 2011-03-10 | Open-market buy | 5,000 | $3.60 | 103,658,252 |
| 2011-03-10 | Open-market buy | 5,000 | $3.45 | 103,522,052 |
| 2011-03-09 | Open-market buy | 27,400 | $3.60 | 99,962,658 |
| 2011-03-09 | Open-market buy | 189,700 | $3.59 | 99,935,258 |
| 2011-03-09 | Open-market buy | 45,640 | $3.53 | 99,462,692 |
| 2011-03-09 | Open-market buy | 55,000 | $3.61 | 100,017,658 |
| 2011-03-09 | Open-market buy | 25,000 | $3.62 | 100,042,658 |
| 2011-03-09 | Open-market buy | 37,600 | $3.63 | 100,080,258 |
| 2011-03-09 | Open-market buy | 21,806 | $3.64 | 100,102,064 |
| 2011-03-09 | Open-market buy | 29,488 | $3.65 | 100,131,552 |
| 2011-03-09 | Open-market buy | 44,000 | $3.66 | 100,175,552 |
| 2011-03-09 | Open-market buy | 58,900 | $3.67 | 100,234,452 |
| 2011-03-09 | Open-market buy | 25,200 | $3.58 | 99,745,558 |
| 2011-03-09 | Open-market buy | 85,006 | $3.57 | 99,720,358 |
| 2011-03-09 | Open-market buy | 20,000 | $3.55 | 99,635,352 |
| 2011-03-09 | Open-market buy | 152,660 | $3.54 | 99,615,352 |
| 2011-03-09 | Open-market buy | 5,000 | $3.70 | 100,317,052 |
| 2011-03-09 | Open-market buy | 32,500 | $3.69 | 100,312,052 |
| 2011-03-09 | Open-market buy | 45,100 | $3.68 | 100,279,552 |
| 2011-03-09 | Grant / award | 3,200,000 | $3.75 | 103,517,052 |
| 2011-02-22 | Open-market buy | 2,500 | $4.35 | 99,389,552 |
| 2011-02-22 | Open-market buy | 1,100 | $4.37 | 99,390,652 |
| 2011-02-22 | Open-market buy | 2,900 | $4.38 | 99,393,552 |
| 2011-02-22 | Open-market buy | 1,000 | $4.39 | 99,394,552 |
| 2011-02-22 | Open-market buy | 176 | $4.42 | 99,394,728 |
| 2011-02-22 | Open-market buy | 3,624 | $4.43 | 99,398,352 |
| 2011-02-22 | Open-market buy | 5,200 | $4.44 | 99,403,552 |
| 2011-02-22 | Open-market buy | 1,500 | $4.49 | 99,417,052 |
| 2011-02-22 | Open-market buy | 7,800 | $4.48 | 99,415,552 |
| 2011-02-22 | Open-market buy | 4,200 | $4.47 | 99,407,752 |
| 2011-01-21 | Open-market buy | 1,000 | $3.51 | 98,242,052 |
| 2011-01-21 | Open-market buy | 2,000 | $3.49 | 98,241,052 |
| 2011-01-21 | Open-market buy | 3,700 | $3.46 | 98,233,752 |
| 2011-01-21 | Open-market buy | 5,300 | $3.47 | 98,239,052 |
| 2011-01-21 | Open-market buy | 1,000 | $3.45 | 98,230,052 |
| 2011-01-21 | Open-market buy | 2,000 | $3.58 | 98,248,052 |
| 2011-01-21 | Open-market buy | 1,000 | $3.59 | 98,249,052 |
| 2011-01-21 | Open-market buy | 1,138,000 | $3.55 | 99,387,052 |
| 2011-01-21 | Open-market buy | 1,000 | $3.57 | 98,246,052 |
| 2011-01-21 | Open-market buy | 1,000 | $3.55 | 98,245,052 |
| 2011-01-21 | Open-market buy | 2,000 | $3.52 | 98,244,052 |
| 2011-01-19 | Open-market buy | 600 | $3.54 | 98,209,652 |
| 2011-01-19 | Open-market buy | 1,000 | $3.82 | 98,229,052 |
| 2011-01-19 | Open-market buy | 1,000 | $3.80 | 98,228,052 |
| 2011-01-19 | Open-market buy | 1,000 | $3.79 | 98,227,052 |
| 2011-01-19 | Open-market buy | 1,000 | $3.78 | 98,226,052 |
| 2011-01-19 | Open-market buy | 500 | $3.67 | 98,222,552 |
| 2011-01-19 | Open-market buy | 1,000 | $3.70 | 98,224,052 |
| 2011-01-19 | Open-market buy | 500 | $3.72 | 98,224,552 |
| 2011-01-19 | Open-market buy | 500 | $3.74 | 98,225,052 |
| 2011-01-19 | Open-market buy | 1,500 | $3.55 | 98,211,152 |
| 2011-01-19 | Open-market buy | 3,000 | $3.56 | 98,214,152 |
| 2011-01-19 | Open-market buy | 1,000 | $3.57 | 98,215,152 |
| 2011-01-19 | Open-market buy | 2,000 | $3.58 | 98,217,152 |
| 2011-01-19 | Open-market buy | 3,500 | $3.59 | 98,220,652 |
| 2011-01-19 | Open-market buy | 400 | $3.60 | 98,221,052 |
| 2011-01-19 | Open-market buy | 1,000 | $3.64 | 98,222,052 |
| 2011-01-19 | Open-market buy | 500 | $3.69 | 98,223,052 |
| 2011-01-18 | Open-market buy | 1,000 | $3.88 | 98,202,052 |
| 2011-01-18 | Open-market buy | 1,000 | $3.89 | 98,203,052 |
| 2011-01-18 | Open-market buy | 1,000 | $3.90 | 98,204,052 |
| 2011-01-18 | Open-market buy | 1,000 | $3.91 | 98,205,052 |
| 2011-01-18 | Open-market buy | 500 | $3.92 | 98,205,552 |
| 2011-01-18 | Open-market buy | 1,500 | $3.94 | 98,207,052 |
| 2011-01-18 | Open-market buy | 2,000 | $3.95 | 98,209,052 |
| 2011-01-18 | Open-market buy | 2,000 | $3.84 | 98,198,552 |
| 2011-01-18 | Open-market buy | 1,500 | $3.85 | 98,200,052 |
| 2011-01-18 | Open-market buy | 1,000 | $3.87 | 98,201,052 |
| 2010-12-31 | Open-market buy | 500 | $3.63 | 98,190,552 |
| 2010-12-31 | Open-market buy | 1,000 | $3.62 | 98,190,052 |
| 2010-12-31 | Open-market buy | 1,200 | $3.64 | 98,191,752 |
| 2010-12-31 | Open-market buy | 1,900 | $3.68 | 98,196,552 |
| 2010-12-31 | Open-market buy | 800 | $3.65 | 98,192,552 |
| 2010-12-31 | Open-market buy | 2,000 | $3.66 | 98,194,552 |
| 2010-12-31 | Open-market buy | 100 | $3.67 | 98,194,652 |
| 2010-12-23 | Open-market buy | 1,500 | $3.80 | 98,175,552 |
| 2010-12-23 | Open-market buy | 3,823 | $3.78 | 98,181,975 |
| 2010-12-23 | Open-market buy | 500 | $3.72 | 98,189,052 |
| 2010-12-23 | Open-market buy | 1,000 | $3.73 | 98,188,552 |
| 2010-12-23 | Open-market buy | 2,600 | $3.79 | 98,178,152 |
| 2010-12-23 | Open-market buy | 977 | $3.75 | 98,185,552 |
| 2010-12-23 | Open-market buy | 1,000 | $3.76 | 98,184,575 |
| 2010-12-23 | Open-market buy | 1,600 | $3.77 | 98,183,575 |
| 2010-12-23 | Open-market buy | 2,000 | $3.74 | 98,187,552 |
| 2010-12-17 | Open-market buy | 1,200 | $3.72 | 98,172,352 |
| 2010-12-17 | Open-market buy | 600 | $3.71 | 98,171,152 |
| 2010-12-17 | Open-market buy | 2,000 | $3.70 | 98,170,552 |
| 2010-12-17 | Open-market buy | 1,100 | $3.69 | 98,168,552 |
| 2010-12-17 | Open-market buy | 900 | $3.68 | 98,167,452 |
| 2010-12-17 | Open-market buy | 500 | $3.67 | 98,166,552 |
| 2010-12-17 | Open-market buy | 3,521 | $3.66 | 98,166,052 |
| 2010-12-17 | Open-market buy | 2,279 | $3.65 | 98,162,531 |
| 2010-12-17 | Open-market buy | 5,200 | $3.64 | 98,160,252 |
| 2010-12-17 | Open-market buy | 300 | $3.73 | 98,172,652 |
| 2010-12-17 | Open-market buy | 600 | $3.75 | 98,173,252 |
| 2010-12-17 | Open-market buy | 300 | $3.77 | 98,173,552 |
| 2010-12-17 | Open-market buy | 500 | $3.79 | 98,174,052 |
| 2010-12-17 | Open-market buy | 1,000 | $3.63 | 98,155,052 |
| 2010-12-15 | Open-market buy | 1,000 | $3.72 | 98,154,052 |
| 2010-12-15 | Open-market buy | 2,000 | $3.71 | 98,153,052 |
| 2010-12-15 | Open-market buy | 2,000 | $3.70 | 98,151,052 |
| 2010-12-14 | Open-market buy | 1,000 | $3.63 | 98,142,552 |
| 2010-12-14 | Open-market buy | 4,000 | $3.62 | 98,141,552 |
| 2010-12-14 | Open-market buy | 2,500 | $3.60 | 98,136,552 |
| 2010-12-14 | Open-market buy | 2,000 | $3.68 | 98,146,052 |
| 2010-12-14 | Open-market buy | 1,000 | $3.61 | 98,137,552 |
| 2010-12-14 | Open-market buy | 3,000 | $3.69 | 98,149,052 |
| 2010-12-14 | Open-market buy | 1,500 | $3.64 | 98,144,052 |
| 2010-12-03 | Open-market buy | 2,266 | $3.11 | 98,133,318 |
| 2010-12-03 | Open-market buy | 3,500 | $3.10 | 98,131,052 |
| 2010-12-03 | Open-market buy | 3,500 | $3.06 | 98,127,552 |
| 2010-12-03 | Open-market buy | 734 | $3.12 | 98,134,052 |
| 2010-12-02 | Open-market buy | 500 | $3.07 | 98,114,552 |
| 2010-12-02 | Open-market buy | 4,300 | $3.12 | 98,124,052 |
| 2010-12-02 | Open-market buy | 1,000 | $3.11 | 98,119,752 |
| 2010-12-02 | Open-market buy | 3,000 | $3.10 | 98,118,752 |
| 2010-12-02 | Open-market buy | 1,200 | $3.09 | 98,115,752 |
| 2010-12-01 | Open-market buy | 500 | $3.12 | 98,114,052 |
| 2010-12-01 | Open-market buy | 300 | $3.08 | 98,104,352 |
| 2010-12-01 | Open-market buy | 1,100 | $3.09 | 98,105,452 |
| 2010-12-01 | Open-market buy | 4,900 | $3.10 | 98,110,352 |
| 2010-12-01 | Open-market buy | 3,200 | $3.11 | 98,113,552 |
| 2010-11-30 | Open-market buy | 2,500 | $3.02 | 98,094,552 |
| 2010-11-30 | Open-market buy | 500 | $3.11 | 98,104,052 |
| 2010-11-30 | Open-market buy | 500 | $3.10 | 98,103,552 |
| 2010-11-30 | Open-market buy | 500 | $3.07 | 98,103,052 |
| 2010-11-30 | Open-market buy | 1,000 | $2.99 | 98,085,052 |
| 2010-11-30 | Open-market buy | 2,000 | $3.00 | 98,087,052 |
| 2010-11-30 | Open-market buy | 5,000 | $3.01 | 98,092,052 |
| 2010-11-30 | Open-market buy | 4,700 | $3.03 | 98,099,252 |
| 2010-11-30 | Open-market buy | 3,300 | $3.04 | 98,102,552 |
| 2010-11-29 | Open-market buy | 1,000 | $3.10 | 98,080,552 |
| 2010-11-29 | Open-market buy | 1,000 | $3.12 | 98,081,552 |
| 2010-11-29 | Open-market buy | 400 | $3.14 | 98,081,952 |
| 2010-11-29 | Open-market buy | 2,100 | $3.15 | 98,084,052 |
| 2010-11-29 | Open-market buy | 500 | $3.09 | 98,079,552 |
| 2010-11-26 | Open-market buy | 1,500 | $3.11 | 98,075,552 |
| 2010-11-26 | Open-market buy | 700 | $3.13 | 98,076,252 |
| 2010-11-26 | Open-market buy | 300 | $3.14 | 98,076,552 |
| 2010-11-26 | Open-market buy | 1,700 | $3.15 | 98,078,252 |
| 2010-11-26 | Open-market buy | 800 | $3.18 | 98,079,052 |
| 2010-11-24 | Open-market buy | 1,000 | $2.99 | 98,070,052 |
| 2010-11-24 | Open-market buy | 1,000 | $3.12 | 98,074,052 |
| 2010-11-24 | Open-market buy | 500 | $3.00 | 98,070,552 |
| 2010-11-24 | Open-market buy | 1,000 | $3.04 | 98,071,552 |
| 2010-11-24 | Open-market buy | 500 | $3.08 | 98,072,052 |
| 2010-11-24 | Open-market buy | 1,000 | $3.11 | 98,073,052 |
| 2010-11-23 | Open-market buy | 600 | $2.94 | 98,069,052 |
| 2010-11-23 | Open-market buy | 572 | $2.91 | 98,064,624 |
| 2010-11-23 | Open-market buy | 2,300 | $2.93 | 98,068,452 |
| 2010-11-23 | Open-market buy | 1,528 | $2.92 | 98,066,152 |
| 2010-11-22 | Open-market buy | 2,000 | $2.92 | 98,062,052 |
| 2010-11-22 | Open-market buy | 2,000 | $2.93 | 98,064,052 |
| 2010-11-22 | Open-market buy | 1,000 | $2.89 | 98,060,052 |
| 2010-11-18 | Open-market buy | 1,000 | $2.93 | 98,059,052 |
| 2010-11-18 | Open-market buy | 2,600 | $2.91 | 98,058,052 |
| 2010-11-18 | Open-market buy | 1,700 | $2.90 | 98,055,452 |
| 2010-11-18 | Open-market buy | 2,200 | $2.89 | 98,053,752 |
| 2010-11-17 | Open-market buy | 3,200 | $2.84 | 98,050,052 |
| 2010-11-17 | Open-market buy | 1,000 | $2.86 | 98,051,552 |
| 2010-11-17 | Open-market buy | 200 | $2.82 | 98,044,252 |
| 2010-11-17 | Open-market buy | 500 | $2.85 | 98,050,552 |
| 2010-11-17 | Open-market buy | 2,600 | $2.83 | 98,046,852 |
| 2010-11-16 | Open-market buy | 2,000 | $2.88 | 98,039,052 |
| 2010-11-16 | Open-market buy | 1,300 | $2.92 | 98,044,052 |
| 2010-11-16 | Open-market buy | 300 | $2.82 | 98,034,352 |
| 2010-11-16 | Open-market buy | 1,700 | $2.87 | 98,037,052 |
| 2010-11-16 | Open-market buy | 1,000 | $2.84 | 98,035,352 |
| 2010-11-16 | Open-market buy | 1,000 | $2.89 | 98,040,052 |
| 2010-11-16 | Open-market buy | 1,000 | $2.90 | 98,041,052 |
| 2010-11-16 | Open-market buy | 1,700 | $2.91 | 98,042,752 |
| 2010-11-12 | Open-market buy | 1,263 | $2.87 | 98,025,315 |
| 2010-11-12 | Open-market buy | 4,937 | $2.90 | 98,034,052 |
| 2010-11-12 | Open-market buy | 3,800 | $2.89 | 98,029,115 |
| 2010-11-11 | Open-market buy | 1,400 | $2.99 | 98,024,052 |
| 2010-11-11 | Open-market buy | 5,500 | $2.98 | 98,022,052 |
| 2010-11-11 | Open-market buy | 600 | $2.99 | 98,022,652 |
| 2010-11-09 | Open-market buy | 900 | $2.93 | 98,001,452 |
| 2010-11-09 | Open-market buy | 2,000 | $2.99 | 98,013,052 |
| 2010-11-09 | Open-market buy | 2,500 | $2.97 | 98,011,052 |
| 2010-11-09 | Open-market buy | 2,000 | $2.96 | 98,008,552 |
| 2010-11-09 | Open-market buy | 3,337 | $2.95 | 98,006,552 |
| 2010-11-09 | Open-market buy | 3,500 | $3.00 | 98,016,552 |
| 2010-11-09 | Open-market buy | 1,763 | $2.94 | 98,003,215 |
| 2010-11-05 | Open-market buy | 3,289 | $2.99 | 97,996,841 |
| 2010-11-05 | Open-market buy | 3,711 | $3.00 | 98,000,552 |
| 2010-11-05 | Open-market buy | 500 | $2.97 | 97,993,552 |
| 2010-11-04 | Open-market buy | 2,500 | $3.00 | 97,988,052 |
| 2010-11-04 | Open-market buy | 5,000 | $3.01 | 97,993,052 |
| 2010-11-04 | Open-market buy | 2,500 | $2.99 | 97,985,552 |
| 2010-11-03 | Open-market buy | 4,000 | $2.89 | 97,972,052 |
| 2010-11-03 | Open-market buy | 5,500 | $2.91 | 97,981,052 |
| 2010-11-03 | Open-market buy | 2,000 | $2.92 | 97,983,052 |
| 2010-11-03 | Open-market buy | 3,500 | $2.90 | 97,975,552 |
| 2010-11-02 | Open-market buy | 1,500 | $2.78 | 97,965,252 |
| 2010-11-02 | Open-market buy | 500 | $2.72 | 97,968,052 |
| 2010-11-02 | Open-market buy | 500 | $2.71 | 97,963,552 |
| 2010-11-02 | Open-market buy | 2,300 | $2.77 | 97,967,552 |
| 2010-11-02 | Open-market buy | 200 | $2.76 | 97,963,752 |
| 2010-11-01 | Open-market buy | 1,900 | $2.70 | 97,958,552 |
| 2010-11-01 | Open-market buy | 1,000 | $2.73 | 97,961,552 |
| 2010-11-01 | Open-market buy | 2,000 | $2.71 | 97,960,552 |
| 2010-11-01 | Open-market buy | 2,100 | $2.69 | 97,956,652 |
| 2010-11-01 | Open-market buy | 1,500 | $2.68 | 97,954,552 |
| 2010-11-01 | Open-market buy | 1,500 | $2.74 | 97,963,052 |
| 2010-10-28 | Open-market buy | 1,000 | $2.75 | 97,953,052 |
| 2010-10-28 | Open-market buy | 1,500 | $2.72 | 97,950,052 |
| 2010-10-28 | Open-market buy | 1,000 | $2.73 | 97,951,052 |
| 2010-10-28 | Open-market buy | 1,000 | $2.74 | 97,952,052 |
| 2010-10-28 | Open-market buy | 500 | $2.71 | 97,948,552 |
| 2010-10-22 | Open-market buy | 2,000 | $2.74 | 97,948,052 |
| 2010-10-22 | Open-market buy | 1,000 | $2.68 | 97,944,052 |
| 2010-10-22 | Open-market buy | 2,000 | $2.70 | 97,946,052 |
| 2010-10-21 | Open-market buy | 2,000 | $2.63 | 97,935,552 |
| 2010-10-21 | Open-market buy | 500 | $2.66 | 97,937,052 |
| 2010-10-21 | Open-market buy | 1,700 | $2.69 | 97,938,752 |
| 2010-10-21 | Open-market buy | 2,000 | $2.72 | 97,940,752 |
| 2010-10-21 | Open-market buy | 1,300 | $2.73 | 97,942,052 |
| 2010-10-21 | Open-market buy | 1,000 | $2.74 | 97,943,052 |
| 2010-10-21 | Open-market buy | 500 | $2.62 | 97,933,552 |
| 2010-10-21 | Open-market buy | 1,000 | $2.64 | 97,936,552 |
| 2010-10-19 | Open-market buy | 500 | $2.61 | 97,930,052 |
| 2010-10-19 | Open-market buy | 3,000 | $2.62 | 97,933,052 |
| 2010-10-19 | Open-market buy | 1,500 | $2.60 | 97,929,552 |
| 2010-10-15 | Open-market buy | 1,000 | $2.56 | 97,928,052 |
| 2010-10-15 | Open-market buy | 3,000 | $2.53 | 97,926,052 |
| 2010-10-15 | Open-market buy | 1,000 | $2.55 | 97,927,052 |
| 2010-10-14 | Open-market buy | 1,000 | $2.54 | 97,923,052 |
| 2010-10-14 | Open-market buy | 3,000 | $2.52 | 97,922,052 |
| 2010-10-14 | Open-market buy | 1,000 | $2.51 | 97,919,052 |
| 2010-10-13 | Open-market buy | 2,000 | $2.51 | 97,915,052 |
| 2010-10-13 | Open-market buy | 1,000 | $2.54 | 97,917,052 |
| 2010-10-13 | Open-market buy | 1,000 | $2.57 | 97,918,052 |
| 2010-10-13 | Open-market buy | 1,000 | $2.53 | 97,916,052 |
| 2010-10-12 | Open-market buy | 1,500 | $2.40 | 97,910,052 |
| 2010-10-12 | Open-market buy | 2,000 | $2.43 | 97,912,052 |
| 2010-10-12 | Open-market buy | 1,000 | $2.44 | 97,913,052 |
| 2010-10-12 | Open-market buy | 500 | $2.39 | 97,908,552 |
| 2010-10-11 | Open-market buy | 600 | $2.45 | 97,907,052 |
| 2010-10-11 | Open-market buy | 250 | $2.47 | 97,908,052 |
| 2010-10-11 | Open-market buy | 750 | $2.46 | 97,907,802 |
| 2010-10-11 | Open-market buy | 3,400 | $2.44 | 97,906,452 |
| 2010-10-08 | Open-market buy | 1,000 | $2.44 | 97,899,052 |
| 2010-10-08 | Open-market buy | 1,000 | $2.42 | 97,898,052 |
| 2010-10-08 | Open-market buy | 1,000 | $2.48 | 97,903,052 |
| 2010-10-08 | Open-market buy | 1,000 | $2.31 | 97,894,052 |
| 2010-10-08 | Open-market buy | 2,000 | $2.32 | 97,896,052 |
| 2010-10-08 | Open-market buy | 1,000 | $2.37 | 97,897,052 |
| 2010-10-08 | Open-market buy | 3,000 | $2.45 | 97,902,052 |
| 2010-10-07 | Open-market buy | 1,000 | $2.33 | 97,892,029 |
| 2010-10-07 | Open-market buy | 1,200 | $2.32 | 97,891,029 |
| 2010-10-07 | Open-market buy | 1,023 | $2.34 | 97,893,052 |
| 2010-10-07 | Open-market buy | 3,000 | $2.30 | 97,887,029 |
| 2010-10-07 | Open-market buy | 977 | $2.29 | 97,884,029 |
| 2010-10-07 | Open-market buy | 2,800 | $2.31 | 97,889,829 |
| 2010-09-22 | Open-market buy | 1,002 | $2.38 | 97,883,052 |
| 2010-09-22 | Open-market buy | 2,621 | $2.37 | 97,882,050 |
| 2010-09-22 | Open-market buy | 377 | $2.36 | 97,879,429 |
| 2010-09-22 | Open-market buy | 1,000 | $2.35 | 97,879,052 |
| 2010-09-22 | Open-market buy | 3,000 | $2.32 | 97,878,052 |
| 2010-09-22 | Open-market buy | 6,500 | $2.31 | 97,875,052 |
| 2010-09-22 | Open-market buy | 500 | $2.30 | 97,868,552 |
| 2010-09-17 | Open-market buy | 1,000 | $2.26 | 97,865,152 |
| 2010-09-17 | Open-market buy | 2,000 | $2.24 | 97,864,152 |
| 2010-09-17 | Open-market buy | 4,000 | $2.23 | 97,862,152 |
| 2010-09-17 | Open-market buy | 100 | $2.22 | 97,858,152 |
| 2010-09-17 | Open-market buy | 1,800 | $2.29 | 97,868,052 |
| 2010-09-17 | Open-market buy | 1,100 | $2.27 | 97,866,252 |
| 2010-09-15 | Open-market buy | 500 | $2.23 | 97,856,552 |
| 2010-09-15 | Open-market buy | 1,500 | $2.24 | 97,858,052 |
| 2010-09-15 | Open-market buy | 1,000 | $2.22 | 97,856,052 |
| 2010-09-15 | Open-market buy | 1,000 | $2.21 | 97,855,052 |
| 2010-09-15 | Open-market buy | 1,000 | $2.18 | 97,854,052 |
| 2010-09-15 | Open-market buy | 1,000 | $2.13 | 97,853,052 |
| 2010-09-15 | Open-market buy | 4,000 | $2.12 | 97,852,052 |
| 2010-09-14 | Open-market buy | 1,370 | $2.06 | 97,839,422 |
| 2010-09-14 | Open-market buy | 3,000 | $2.07 | 97,842,422 |
| 2010-09-14 | Open-market buy | 900 | $2.10 | 97,848,052 |
| 2010-09-14 | Open-market buy | 1,000 | $2.08 | 97,843,422 |
| 2010-09-14 | Open-market buy | 3,730 | $2.09 | 97,847,152 |
| 2010-09-13 | Open-market buy | 6,646 | $2.09 | 97,838,052 |
| 2010-09-13 | Open-market buy | 854 | $2.08 | 97,831,406 |
| 2010-09-10 | Open-market buy | 100 | $2.08 | 97,820,652 |
| 2010-09-10 | Open-market buy | 863 | $2.10 | 97,830,552 |
| 2010-09-10 | Open-market buy | 9,037 | $2.09 | 97,829,689 |
| 2010-09-07 | Open-market buy | 4,000 | $2.10 | 97,814,552 |
| 2010-09-07 | Open-market buy | 6,000 | $2.09 | 97,820,552 |
| 2010-09-03 | Open-market buy | 1,000 | $2.15 | 97,810,552 |
| 2010-09-03 | Open-market buy | 3,000 | $2.14 | 97,809,552 |
| 2010-09-03 | Open-market buy | 1,500 | $2.13 | 97,806,552 |
| 2010-09-03 | Open-market buy | 2,500 | $2.12 | 97,805,052 |
| 2010-09-03 | Open-market buy | 2,000 | $2.11 | 97,802,552 |
| 2010-09-02 | Open-market buy | 5,000 | $2.14 | 97,800,552 |
| 2010-08-30 | Open-market buy | 2,900 | $2.13 | 97,791,552 |
| 2010-08-30 | Open-market buy | 1,100 | $2.12 | 97,788,652 |
| 2010-08-30 | Open-market buy | 700 | $2.15 | 97,792,252 |
| 2010-08-30 | Open-market buy | 2,300 | $2.16 | 97,794,552 |
| 2010-08-30 | Open-market buy | 1,000 | $2.17 | 97,795,552 |
| 2010-08-30 | Open-market buy | 2,000 | $2.11 | 97,787,552 |
| 2010-08-27 | Open-market buy | 8,000 | $2.16 | 97,781,852 |
| 2010-08-27 | Open-market buy | 800 | $2.14 | 97,773,852 |
| 2010-08-27 | Open-market buy | 3,700 | $2.17 | 97,785,552 |
| 2010-08-26 | Open-market buy | 4,000 | $2.17 | 97,772,052 |
| 2010-08-26 | Open-market buy | 1,000 | $2.16 | 97,773,052 |
| 2010-08-25 | Open-market buy | 1,156 | $2.15 | 97,768,052 |
| 2010-08-25 | Open-market buy | 3,244 | $2.12 | 97,761,296 |
| 2010-08-25 | Open-market buy | 2,500 | $2.13 | 97,763,796 |
| 2010-08-25 | Open-market buy | 3,100 | $2.14 | 97,766,896 |
| 2010-08-20 | Open-market buy | 2,800 | $2.23 | 97,745,852 |
| 2010-08-20 | Open-market buy | 9,200 | $2.22 | 97,755,052 |
| 2010-08-20 | Open-market buy | 2,400 | $2.21 | 97,757,452 |
| 2010-08-20 | Open-market buy | 100 | $2.20 | 97,757,552 |
| 2010-08-20 | Open-market buy | 500 | $2.19 | 97,758,052 |
| 2010-08-18 | Open-market buy | 5,100 | $2.26 | 97,741,052 |
| 2010-08-18 | Open-market buy | 1,000 | $2.24 | 97,734,052 |
| 2010-08-18 | Open-market buy | 1,900 | $2.25 | 97,735,952 |
| 2010-08-18 | Open-market buy | 2,000 | $2.27 | 97,743,052 |
| 2010-08-13 | Open-market buy | 1,000 | $2.20 | 97,733,052 |
| 2010-08-13 | Open-market buy | 6,000 | $2.19 | 97,732,052 |
| 2010-08-13 | Open-market buy | 3,000 | $2.17 | 97,721,052 |
| 2010-08-13 | Open-market buy | 5,000 | $2.18 | 97,726,052 |
| 2010-08-12 | Open-market buy | 2,000 | $2.27 | 97,718,052 |
| 2010-08-12 | Open-market buy | 3,788 | $2.25 | 97,714,340 |
| 2010-08-12 | Open-market buy | 1,712 | $2.26 | 97,716,052 |
| 2010-08-11 | Open-market buy | 2,500 | $2.30 | 97,708,552 |
| 2010-08-11 | Open-market buy | 500 | $2.41 | 97,695,552 |
| 2010-08-11 | Open-market buy | 500 | $2.40 | 97,696,052 |
| 2010-08-11 | Open-market buy | 500 | $2.39 | 97,696,552 |
| 2010-08-11 | Open-market buy | 500 | $2.38 | 97,697,052 |
| 2010-08-11 | Open-market buy | 500 | $2.37 | 97,697,552 |
| 2010-08-11 | Open-market buy | 3,000 | $2.36 | 97,700,552 |
| 2010-08-11 | Open-market buy | 500 | $2.43 | 97,695,052 |
| 2010-08-11 | Open-market buy | 1,500 | $2.44 | 97,694,552 |
| 2010-08-11 | Open-market buy | 2,000 | $2.29 | 97,710,552 |
| 2010-08-11 | Open-market buy | 1,500 | $2.31 | 97,706,052 |
| 2010-08-11 | Open-market buy | 600 | $2.32 | 97,704,552 |
| 2010-08-11 | Open-market buy | 900 | $2.33 | 97,703,952 |
| 2010-08-11 | Open-market buy | 1,500 | $2.34 | 97,703,052 |
| 2010-08-11 | Open-market buy | 1,000 | $2.35 | 97,701,552 |
| 2010-08-10 | Open-market buy | 2,500 | $2.55 | 97,687,552 |
| 2010-08-10 | Open-market buy | 3,500 | $2.56 | 97,691,052 |
| 2010-08-10 | Open-market buy | 2,000 | $2.57 | 97,693,052 |
| 2010-08-10 | Open-market buy | 2,000 | $2.51 | 97,685,052 |
| 2010-08-06 | Open-market buy | 1,700 | $2.52 | 97,683,052 |
| 2010-08-06 | Open-market buy | 300 | $2.51 | 97,681,352 |
| 2010-08-06 | Open-market buy | 2,000 | $2.50 | 97,681,052 |
| 2010-08-06 | Open-market buy | 5,500 | $2.49 | 97,679,052 |
| 2010-08-06 | Open-market buy | 500 | $2.48 | 97,673,552 |
| 2010-08-05 | Open-market buy | 2,700 | $2.63 | 97,673,052 |
| 2010-08-05 | Open-market buy | 1,300 | $2.62 | 97,670,352 |
| 2010-08-05 | Open-market buy | 1,000 | $2.61 | 97,669,052 |
| 2010-08-03 | Open-market buy | 5,000 | $2.56 | 97,668,052 |
| 2010-07-30 | Open-market buy | 4,800 | $2.46 | 97,663,052 |
| 2010-07-30 | Open-market buy | 200 | $2.46 | 97,658,252 |
| 2010-07-15 | Open-market buy | 200 | $2.40 | 97,653,252 |
| 2010-07-15 | Open-market buy | 900 | $2.41 | 97,655,052 |
| 2010-07-15 | Open-market buy | 100 | $2.41 | 97,654,152 |
| 2010-07-15 | Open-market buy | 1,000 | $2.43 | 97,657,052 |
| 2010-07-15 | Open-market buy | 800 | $2.40 | 97,654,052 |
| 2010-07-15 | Open-market buy | 1,000 | $2.42 | 97,656,052 |
| 2010-07-15 | Open-market buy | 1,000 | $2.44 | 97,658,052 |
| 2010-07-07 | Open-market buy | 100 | $2.25 | 97,647,152 |
| 2010-07-07 | Open-market buy | 3,000 | $2.26 | 97,650,152 |
| 2010-07-07 | Open-market buy | 1,000 | $2.29 | 97,651,152 |
| 2010-07-07 | Open-market buy | 1,900 | $2.30 | 97,653,052 |
| 2010-07-06 | Open-market buy | 274 | $2.22 | 97,639,826 |
| 2010-07-06 | Open-market buy | 3,226 | $2.23 | 97,643,052 |
| 2010-07-06 | Open-market buy | 2,000 | $2.25 | 97,646,052 |
| 2010-07-06 | Open-market buy | 1,000 | $2.26 | 97,647,052 |
| 2010-07-06 | Open-market buy | 1,000 | $2.24 | 97,644,052 |
| 2010-07-02 | Open-market buy | 500 | $2.21 | 97,636,552 |
| 2010-07-02 | Open-market buy | 2,400 | $2.18 | 97,634,552 |
| 2010-07-02 | Open-market buy | 1,000 | $2.19 | 97,635,552 |
| 2010-07-02 | Open-market buy | 500 | $2.20 | 97,636,052 |
| 2010-07-02 | Open-market buy | 2,500 | $2.24 | 97,639,052 |
| 2010-07-02 | Open-market buy | 500 | $2.25 | 97,639,552 |
| 2010-07-02 | Open-market buy | 2,200 | $2.14 | 97,629,252 |
| 2010-07-02 | Open-market buy | 300 | $2.16 | 97,629,552 |
| 2010-07-02 | Open-market buy | 2,600 | $2.17 | 97,632,152 |
| 2010-07-01 | Open-market buy | 500 | $2.12 | 97,620,552 |
| 2010-07-01 | Open-market buy | 600 | $2.13 | 97,621,152 |
| 2010-07-01 | Open-market buy | 2,400 | $2.14 | 97,623,552 |
| 2010-07-01 | Open-market buy | 1,000 | $2.15 | 97,624,552 |
| 2010-07-01 | Open-market buy | 1,000 | $2.16 | 97,625,552 |
| 2010-07-01 | Open-market buy | 500 | $2.20 | 97,626,052 |
| 2010-07-01 | Open-market buy | 1,000 | $2.25 | 97,627,052 |
| 2010-07-01 | Open-market buy | 500 | $2.11 | 97,620,052 |
| 2010-06-30 | Open-market buy | 785 | $2.21 | 97,612,837 |
| 2010-06-30 | Open-market buy | 1,715 | $2.24 | 97,614,552 |
| 2010-06-30 | Open-market buy | 3,500 | $2.26 | 97,618,052 |
| 2010-06-30 | Open-market buy | 1,500 | $2.31 | 97,619,552 |
| 2010-06-24 | Open-market buy | 1,000 | $2.19 | 97,609,052 |
| 2010-06-24 | Open-market buy | 2,000 | $2.18 | 97,608,052 |
| 2010-06-24 | Open-market buy | 1,000 | $2.13 | 97,605,552 |
| 2010-06-24 | Open-market buy | 500 | $2.12 | 97,604,552 |
| 2010-06-24 | Open-market buy | 2,000 | $2.07 | 97,604,052 |
| 2010-06-24 | Open-market buy | 3,000 | $2.20 | 97,612,052 |
| 2010-06-24 | Open-market buy | 500 | $2.16 | 97,606,052 |
| 2010-06-23 | Open-market buy | 2,200 | $2.04 | 97,594,552 |
| 2010-06-23 | Open-market buy | 300 | $2.03 | 97,592,352 |
| 2010-06-23 | Open-market buy | 500 | $2.05 | 97,595,052 |
| 2010-06-23 | Open-market buy | 157 | $2.07 | 97,595,209 |
| 2010-06-23 | Open-market buy | 1,843 | $2.08 | 97,597,052 |
| 2010-06-23 | Open-market buy | 1,500 | $2.09 | 97,598,552 |
| 2010-06-23 | Open-market buy | 3,500 | $2.10 | 97,602,052 |
| 2010-06-22 | Open-market buy | 600 | $2.17 | 97,589,652 |
| 2010-06-22 | Open-market buy | 1,857 | $2.15 | 97,589,052 |
| 2010-06-22 | Open-market buy | 143 | $2.14 | 97,587,195 |
| 2010-06-22 | Open-market buy | 2,400 | $2.17 | 97,592,052 |
| 2010-06-18 | Open-market buy | 700 | $2.17 | 97,586,252 |
| 2010-06-18 | Open-market buy | 800 | $2.18 | 97,587,052 |
| 2010-06-18 | Open-market buy | 3,500 | $2.15 | 97,585,552 |
| 2010-06-14 | Open-market buy | 181 | $2.09 | 97,582,052 |
| 2010-06-14 | Open-market buy | 500 | $2.08 | 97,581,871 |
| 2010-06-14 | Open-market buy | 1,819 | $2.07 | 97,581,371 |
| 2010-06-14 | Open-market buy | 2,000 | $2.04 | 97,579,052 |
| 2010-06-14 | Open-market buy | 500 | $2.06 | 97,579,552 |
| 2010-06-11 | Open-market buy | 3,000 | $1.99 | 97,575,152 |
| 2010-06-11 | Open-market buy | 100 | $1.98 | 97,572,152 |
| 2010-06-11 | Open-market buy | 1,900 | $2.00 | 97,577,052 |
| 2010-06-09 | Open-market buy | 1,800 | $1.89 | 97,568,852 |
| 2010-06-09 | Open-market buy | 100 | $1.90 | 97,568,952 |
| 2010-06-09 | Open-market buy | 400 | $1.91 | 97,569,352 |
| 2010-06-09 | Open-market buy | 700 | $1.92 | 97,570,052 |
| 2010-06-09 | Open-market buy | 2,000 | $1.93 | 97,572,052 |
| 2010-06-07 | Open-market buy | 1,000 | $1.96 | 97,565,052 |
| 2010-06-07 | Open-market buy | 2,500 | $1.93 | 97,564,052 |
| 2010-06-07 | Open-market buy | 50 | $1.86 | 97,552,102 |
| 2010-06-07 | Open-market buy | 1,947 | $1.88 | 97,554,049 |
| 2010-06-07 | Open-market buy | 2,901 | $1.90 | 97,561,552 |
| 2010-06-07 | Open-market buy | 4,602 | $1.89 | 97,558,651 |
| 2010-06-07 | Open-market buy | 500 | $2.00 | 97,567,052 |
| 2010-06-07 | Open-market buy | 1,500 | $1.99 | 97,566,552 |
| 2010-06-04 | Open-market buy | 1,000 | $2.01 | 97,552,052 |
| 2010-06-04 | Open-market buy | 5,500 | $2.00 | 97,551,052 |
| 2010-06-04 | Open-market buy | 3,500 | $1.99 | 97,545,552 |
| 2010-05-28 | Open-market buy | 100 | $1.99 | 97,537,152 |
| 2010-05-28 | Open-market buy | 4,900 | $2.00 | 97,542,052 |
| 2010-05-26 | Open-market buy | 2,111 | $1.94 | 97,524,263 |
| 2010-05-26 | Open-market buy | 100 | $1.93 | 97,522,152 |
| 2010-05-26 | Open-market buy | 5,654 | $1.95 | 97,529,917 |
| 2010-05-26 | Open-market buy | 1,400 | $1.99 | 97,537,052 |
| 2010-05-26 | Open-market buy | 400 | $1.98 | 97,535,652 |
| 2010-05-26 | Open-market buy | 4,735 | $1.97 | 97,535,252 |
| 2010-05-26 | Open-market buy | 600 | $1.96 | 97,530,517 |
| 2010-05-25 | Open-market buy | 2,000 | $1.99 | 97,515,052 |
| 2010-05-25 | Open-market buy | 3,000 | $2.01 | 97,522,052 |
| 2010-05-25 | Open-market buy | 1,000 | $1.96 | 97,513,052 |
| 2010-05-25 | Open-market buy | 4,000 | $2.00 | 97,519,052 |
| 2010-05-24 | Open-market buy | 1,600 | $2.00 | 97,508,652 |
| 2010-05-24 | Open-market buy | 2,400 | $2.01 | 97,511,052 |
| 2010-05-24 | Open-market buy | 1,000 | $2.02 | 97,512,052 |
| 2010-05-21 | Open-market buy | 1,000 | $2.00 | 97,500,552 |
| 2010-05-21 | Open-market buy | 1,516 | $2.01 | 97,502,068 |
| 2010-05-21 | Open-market buy | 500 | $2.02 | 97,502,568 |
| 2010-05-21 | Open-market buy | 1,200 | $2.03 | 97,503,768 |
| 2010-05-21 | Open-market buy | 300 | $2.04 | 97,504,068 |
| 2010-05-21 | Open-market buy | 1,500 | $2.06 | 97,505,568 |
| 2010-05-21 | Open-market buy | 717 | $2.09 | 97,506,285 |
| 2010-05-21 | Open-market buy | 484 | $2.10 | 97,506,769 |
| 2010-05-21 | Open-market buy | 283 | $2.11 | 97,507,052 |
| 2010-05-20 | Open-market buy | 2,100 | $1.99 | 97,489,652 |
| 2010-05-20 | Open-market buy | 1,000 | $2.08 | 97,499,552 |
| 2010-05-20 | Open-market buy | 1,000 | $2.06 | 97,498,552 |
| 2010-05-20 | Open-market buy | 4,500 | $2.01 | 97,495,052 |
| 2010-05-20 | Open-market buy | 900 | $2.00 | 97,490,552 |
| 2010-05-20 | Open-market buy | 2,500 | $2.03 | 97,497,552 |
| 2010-05-19 | Open-market buy | 2,200 | $2.14 | 97,487,552 |
| 2010-05-19 | Open-market buy | 5,300 | $2.13 | 97,485,352 |
| 2010-05-14 | Open-market buy | 2,500 | $2.09 | 97,475,652 |
| 2010-05-14 | Open-market buy | 600 | $2.08 | 97,473,152 |
| 2010-05-14 | Open-market buy | 1,858 | $2.10 | 97,477,510 |
| 2010-05-14 | Open-market buy | 2,542 | $2.12 | 97,480,052 |
| 2010-05-13 | Open-market buy | 1,644 | $2.14 | 97,469,196 |
| 2010-05-13 | Open-market buy | 3,300 | $2.15 | 97,472,496 |
| 2010-05-13 | Open-market buy | 56 | $2.16 | 97,472,552 |
| 2010-05-13 | Open-market buy | 2,500 | $2.12 | 97,467,552 |
| 2010-05-06 | Open-market buy | 1,000 | $1.99 | 97,456,252 |
| 2010-05-06 | Open-market buy | 200 | $1.89 | 97,455,252 |
| 2010-05-06 | Open-market buy | 2,500 | $2.08 | 97,464,052 |
| 2010-05-06 | Open-market buy | 1,000 | $2.09 | 97,465,052 |
| 2010-05-06 | Open-market buy | 1,000 | $2.07 | 97,461,552 |
| 2010-05-06 | Open-market buy | 500 | $2.06 | 97,460,552 |
| 2010-05-06 | Open-market buy | 1,000 | $2.05 | 97,460,052 |
| 2010-05-06 | Open-market buy | 2,000 | $2.01 | 97,459,052 |
| 2010-05-06 | Open-market buy | 800 | $2.00 | 97,457,052 |
| 2010-05-05 | Open-market buy | 1,000 | $2.15 | 97,454,052 |
| 2010-05-05 | Open-market buy | 500 | $2.18 | 97,450,552 |
| 2010-05-05 | Open-market buy | 1,000 | $2.17 | 97,451,552 |
| 2010-05-05 | Open-market buy | 1,500 | $2.16 | 97,453,052 |
| 2010-05-05 | Open-market buy | 300 | $2.13 | 97,454,352 |
| 2010-05-05 | Open-market buy | 700 | $2.11 | 97,455,052 |
| 2010-05-04 | Open-market buy | 2,000 | $2.20 | 97,448,459 |
| 2010-05-04 | Open-market buy | 1,407 | $2.19 | 97,446,459 |
| 2010-05-04 | Open-market buy | 1,593 | $2.21 | 97,450,052 |
| 2010-05-03 | Open-market buy | 1,000 | $2.22 | 97,445,052 |
| 2010-05-03 | Open-market buy | 800 | $2.21 | 97,444,052 |
| 2010-05-03 | Open-market buy | 2,200 | $2.20 | 97,443,252 |
| 2010-05-03 | Open-market buy | 1,000 | $2.19 | 97,441,052 |
| 2010-04-27 | Open-market buy | 3,000 | $2.18 | 97,440,052 |
| 2010-04-22 | Open-market buy | 1,000 | $2.24 | 97,433,052 |
| 2010-04-22 | Open-market buy | 4,000 | $2.24 | 97,437,052 |
| 2010-04-14 | Grant / award (derivative) | 450,000 | $0.00 | 450,000 |
| 2010-04-08 | Open-market buy | 1,000 | $1.99 | 97,423,052 |
| 2010-04-08 | Open-market buy | 2,000 | $2.00 | 97,425,052 |
| 2010-04-08 | Open-market buy | 4,668 | $2.03 | 97,432,052 |
| 2010-04-08 | Open-market buy | 1,432 | $2.02 | 97,427,384 |
| 2010-04-08 | Open-market buy | 900 | $2.01 | 97,425,952 |
| 2010-03-24 | Open-market buy | 3,500 | $2.03 | 97,422,052 |
| 2010-03-24 | Open-market buy | 5,000 | $2.02 | 97,418,552 |
| 2010-03-24 | Open-market buy | 1,500 | $2.00 | 97,413,552 |
| 2010-03-22 | Open-market buy | 9,800 | $2.01 | 97,412,052 |
| 2010-03-22 | Open-market buy | 200 | $2.01 | 97,402,252 |
| 2010-03-19 | Open-market buy | 1,100 | $1.96 | 97,388,152 |
| 2010-03-19 | Open-market buy | 2,000 | $1.97 | 97,390,152 |
| 2010-03-19 | Open-market buy | 2,500 | $2.02 | 97,392,652 |
| 2010-03-19 | Open-market buy | 5,000 | $2.05 | 97,402,052 |
| 2010-03-19 | Open-market buy | 4,400 | $2.04 | 97,397,052 |
| 2010-03-18 | Open-market buy | 5,500 | $2.00 | 97,387,052 |
| 2010-03-18 | Open-market buy | 4,500 | $1.99 | 97,381,552 |
| 2010-03-12 | Open-market buy | 900 | $2.00 | 97,370,452 |
| 2010-03-12 | Open-market buy | 2,600 | $2.01 | 97,373,052 |
| 2010-03-12 | Open-market buy | 1,000 | $2.03 | 97,374,052 |
| 2010-03-12 | Open-market buy | 3,000 | $2.04 | 97,377,052 |
| 2010-03-11 | Open-market buy | 260 | $2.02 | 97,366,312 |
| 2010-03-11 | Open-market buy | 3,240 | $2.03 | 97,369,552 |
| 2010-03-11 | Open-market buy | 2,000 | $2.00 | 97,364,052 |
| 2010-03-11 | Open-market buy | 2,000 | $2.01 | 97,366,052 |
| 2010-03-10 | Open-market buy | 4,000 | $2.01 | 97,361,052 |
| 2010-03-10 | Open-market buy | 1,000 | $2.02 | 97,362,052 |
| 2010-03-10 | Open-market buy | 2,500 | $2.00 | 97,357,052 |
| 2010-03-09 | Open-market buy | 1,120 | $2.00 | 97,348,172 |
| 2010-03-09 | Open-market buy | 6,380 | $2.01 | 97,354,552 |
| 2010-03-08 | Open-market buy | 5,800 | $2.01 | 97,347,052 |
| 2010-03-08 | Open-market buy | 1,700 | $2.00 | 97,341,252 |
| 2010-03-04 | Open-market buy | 5,000 | $2.02 | 97,339,552 |
| 2010-03-02 | Open-market buy | 2,051 | $2.04 | 97,329,603 |
| 2010-03-02 | Open-market buy | 4,949 | $2.05 | 97,334,552 |
| 2010-03-02 | Open-market buy | 2,000 | $2.01 | 97,326,552 |
| 2010-03-02 | Open-market buy | 1,000 | $2.03 | 97,327,552 |
| 2010-03-01 | Open-market buy | 2,500 | $2.05 | 97,324,552 |
| 2010-03-01 | Open-market buy | 2,500 | $2.01 | 97,322,052 |
| 2010-02-26 | Open-market buy | 9,810 | $2.00 | 97,319,552 |
| 2010-02-26 | Open-market buy | 190 | $1.99 | 97,309,742 |
| 2010-02-25 | Open-market buy | 4,800 | $2.00 | 97,309,552 |
| 2010-02-25 | Open-market buy | 1,000 | $1.96 | 97,300,552 |
| 2010-02-25 | Open-market buy | 2,600 | $1.98 | 97,303,152 |
| 2010-02-25 | Open-market buy | 1,600 | $1.99 | 97,304,752 |
| 2010-02-24 | Open-market buy | 10,000 | $2.00 | 97,299,552 |
| 2010-02-05 | Open-market buy | 1,700 | $1.65 | 97,289,552 |
| 2010-02-05 | Open-market buy | 5,400 | $1.64 | 97,287,852 |
| 2010-02-05 | Open-market buy | 400 | $1.63 | 97,282,452 |
| 2010-02-04 | Open-market buy | 2,800 | $1.65 | 97,274,852 |
| 2010-02-04 | Open-market buy | 4,200 | $1.66 | 97,279,052 |
| 2010-02-04 | Open-market buy | 500 | $1.67 | 97,279,552 |
| 2010-02-04 | Open-market buy | 2,500 | $1.68 | 97,282,052 |
| 2010-02-02 | Open-market buy | 500 | $1.68 | 97,262,552 |
| 2010-02-02 | Open-market buy | 4,900 | $1.70 | 97,272,052 |
| 2010-02-02 | Open-market buy | 4,600 | $1.69 | 97,267,152 |
| 2010-02-01 | Open-market buy | 855 | $1.69 | 97,252,907 |
| 2010-02-01 | Open-market buy | 1,645 | $1.72 | 97,257,052 |
| 2010-02-01 | Open-market buy | 2,500 | $1.70 | 97,255,407 |
| 2010-02-01 | Open-market buy | 5,000 | $1.74 | 97,262,052 |
| 2010-01-29 | Open-market buy | 2,500 | $1.73 | 97,252,052 |
| 2010-01-29 | Open-market buy | 100 | $1.70 | 97,242,152 |
| 2010-01-29 | Open-market buy | 5,400 | $1.70 | 97,247,552 |
| 2010-01-29 | Open-market buy | 1,000 | $1.71 | 97,248,552 |
| 2010-01-29 | Open-market buy | 1,000 | $1.72 | 97,249,552 |
| 2010-01-21 | Open-market buy | 1,000 | $1.83 | 97,242,052 |
| 2010-01-21 | Open-market buy | 1,000 | $1.75 | 97,233,088 |
| 2010-01-21 | Open-market buy | 36 | $1.74 | 97,232,088 |
| 2010-01-21 | Open-market buy | 2,000 | $1.76 | 97,235,088 |
| 2010-01-21 | Open-market buy | 1,000 | $1.80 | 97,241,052 |
| 2010-01-21 | Open-market buy | 964 | $1.79 | 97,240,052 |
| 2010-01-21 | Open-market buy | 4,000 | $1.77 | 97,239,088 |
| 2010-01-06 | Open-market buy | 600 | $1.79 | 97,230,452 |
| 2010-01-06 | Open-market buy | 7,800 | $1.78 | 97,126,181 |
| 2010-01-06 | Open-market buy | 103,671 | $1.60 | 97,229,852 |
| 2010-01-06 | Open-market buy | 1,600 | $1.80 | 97,232,052 |
| 2009-12-31 | Open-market buy | 3,048 | $1.72 | 97,118,381 |
| 2009-12-31 | Open-market buy | 2,852 | $1.70 | 97,114,533 |
| 2009-12-31 | Open-market buy | 800 | $1.71 | 97,115,333 |
| 2009-12-31 | Open-market buy | 2,447 | $1.67 | 97,103,380 |
| 2009-12-31 | Open-market buy | 6,701 | $1.68 | 97,110,081 |
| 2009-12-31 | Open-market buy | 1,600 | $1.69 | 97,111,681 |
| 2009-12-31 | Open-market buy | 200 | $1.64 | 97,098,581 |
| 2009-12-31 | Open-market buy | 2,352 | $1.66 | 97,100,933 |
| 2009-12-30 | Open-market buy | 5,000 | $1.61 | 97,098,381 |
| 2009-12-30 | Open-market buy | 5,000 | $1.60 | 97,093,381 |
| 2009-12-14 | Open-market buy | 4,500 | $1.62 | 97,082,881 |
| 2009-12-14 | Open-market buy | 5,500 | $1.63 | 97,088,381 |
| 2009-11-18 | Open-market buy | 3,104 | $2.04 | 97,073,381 |
| 2009-11-18 | Open-market buy | 1,896 | $2.03 | 97,070,277 |
| 2009-11-18 | Open-market buy | 1,000 | $2.05 | 97,074,381 |
| 2009-11-18 | Open-market buy | 670 | $2.06 | 97,075,051 |
| 2009-11-18 | Open-market buy | 3,330 | $2.07 | 97,078,381 |
| 2009-11-17 | Open-market buy | 1,610 | $2.09 | 97,065,381 |
| 2009-11-17 | Open-market buy | 400 | $2.00 | 97,058,781 |
| 2009-11-17 | Open-market buy | 3,000 | $2.10 | 97,068,381 |
| 2009-11-17 | Open-market buy | 1,000 | $2.02 | 97,059,781 |
| 2009-11-17 | Open-market buy | 1,000 | $2.08 | 97,063,771 |
| 2009-11-17 | Open-market buy | 2,000 | $2.06 | 97,062,771 |
| 2009-11-17 | Open-market buy | 990 | $2.03 | 97,060,771 |
| 2009-11-05 | Open-market buy | 600 | $2.11 | 97,048,981 |
| 2009-11-05 | Open-market buy | 4,006 | $2.12 | 97,052,987 |
| 2009-11-05 | Open-market buy | 3,894 | $2.13 | 97,056,881 |
| 2009-11-05 | Open-market buy | 1,500 | $2.16 | 97,058,381 |
| 2009-11-04 | Open-market buy | 3,000 | $2.13 | 97,045,381 |
| 2009-11-04 | Open-market buy | 1,000 | $2.15 | 97,048,381 |
| 2009-11-04 | Open-market buy | 2,000 | $2.14 | 97,047,381 |
| 2009-11-04 | Open-market buy | 1,000 | $2.12 | 97,042,381 |
| 2009-11-04 | Open-market buy | 1,900 | $2.10 | 97,041,381 |
| 2009-11-04 | Open-market buy | 1,100 | $2.09 | 97,039,481 |
| 2009-11-04 | Open-market buy | 8,800 | $2.07 | 97,038,381 |
| 2009-11-04 | Open-market buy | 1,200 | $2.06 | 97,029,581 |
| 2009-11-03 | Open-market buy | 800 | $2.17 | 97,024,881 |
| 2009-11-03 | Open-market buy | 1,000 | $2.21 | 97,028,381 |
| 2009-11-03 | Open-market buy | 1,500 | $2.20 | 97,027,381 |
| 2009-11-03 | Open-market buy | 1,000 | $2.18 | 97,025,881 |
| 2009-11-03 | Open-market buy | 200 | $2.06 | 97,021,581 |
| 2009-11-03 | Open-market buy | 1,500 | $2.14 | 97,024,081 |
| 2009-11-03 | Open-market buy | 1,000 | $2.10 | 97,022,581 |
| 2009-11-03 | Open-market buy | 1,000 | $2.04 | 97,019,381 |
| 2009-11-03 | Open-market buy | 2,000 | $2.05 | 97,021,381 |
| 2009-11-02 | Open-market buy | 2,000 | $2.02 | 97,000,381 |
| 2009-11-02 | Open-market buy | 3,500 | $2.04 | 97,008,181 |
| 2009-11-02 | Open-market buy | 4,111 | $2.10 | 97,018,381 |
| 2009-11-02 | Open-market buy | 2,000 | $2.05 | 97,010,181 |
| 2009-11-02 | Open-market buy | 4,089 | $2.08 | 97,014,270 |
| 2009-11-02 | Open-market buy | 4,300 | $2.03 | 97,004,681 |
| 2009-10-30 | Open-market buy | 2,000 | $2.22 | 96,998,381 |
| 2009-10-30 | Open-market buy | 2,000 | $2.21 | 96,996,381 |
| 2009-10-30 | Open-market buy | 1,000 | $2.19 | 96,994,381 |
| 2009-10-30 | Open-market buy | 1,000 | $2.18 | 96,993,381 |
| 2009-10-30 | Open-market buy | 1,000 | $2.16 | 96,992,381 |
| 2009-10-30 | Open-market buy | 1,000 | $2.06 | 96,989,381 |
| 2009-10-30 | Open-market buy | 1,000 | $2.09 | 96,990,381 |
| 2009-10-30 | Open-market buy | 1,000 | $2.13 | 96,991,381 |
| 2009-10-29 | Open-market buy | 1,000 | $2.09 | 96,981,981 |
| 2009-10-29 | Open-market buy | 1,400 | $2.00 | 96,969,781 |
| 2009-10-29 | Open-market buy | 1,200 | $2.14 | 96,988,381 |
| 2009-10-29 | Open-market buy | 200 | $2.13 | 96,987,181 |
| 2009-10-29 | Open-market buy | 5,000 | $2.01 | 96,974,781 |
| 2009-10-29 | Open-market buy | 1,000 | $2.02 | 96,975,781 |
| 2009-10-29 | Open-market buy | 1,000 | $2.04 | 96,976,781 |
| 2009-10-29 | Open-market buy | 1,000 | $2.05 | 96,977,781 |
| 2009-10-29 | Open-market buy | 1,000 | $2.07 | 96,978,781 |
| 2009-10-29 | Open-market buy | 2,200 | $2.08 | 96,980,981 |
| 2009-10-29 | Open-market buy | 5,000 | $2.10 | 96,986,981 |
| 2009-10-28 | Open-market buy | 6,656 | $2.06 | 96,963,026 |
| 2009-10-28 | Open-market buy | 5,355 | $2.07 | 96,968,381 |
| 2009-10-28 | Open-market buy | 5,207 | $2.05 | 96,956,370 |
| 2009-10-28 | Open-market buy | 682 | $2.03 | 96,949,063 |
| 2009-10-28 | Open-market buy | 2,100 | $2.04 | 96,951,163 |
| 2009-10-27 | Open-market buy | 1,000 | $2.13 | 96,940,381 |
| 2009-10-27 | Open-market buy | 1,000 | $2.10 | 96,939,381 |
| 2009-10-27 | Open-market buy | 519 | $2.14 | 96,940,900 |
| 2009-10-27 | Open-market buy | 1,300 | $2.15 | 96,942,200 |
| 2009-10-27 | Open-market buy | 1,700 | $2.16 | 96,943,900 |
| 2009-10-27 | Open-market buy | 99 | $2.17 | 96,943,999 |
| 2009-10-27 | Open-market buy | 2,901 | $2.18 | 96,946,900 |
| 2009-10-27 | Open-market buy | 581 | $2.21 | 96,947,481 |
| 2009-10-27 | Open-market buy | 800 | $2.22 | 96,948,281 |
| 2009-10-27 | Open-market buy | 100 | $2.23 | 96,948,381 |
| 2009-10-26 | Open-market buy | 1,000 | $2.16 | 96,929,881 |
| 2009-10-26 | Open-market buy | 1,000 | $2.18 | 96,930,881 |
| 2009-10-26 | Open-market buy | 7,500 | $2.19 | 96,938,381 |
| 2009-10-26 | Open-market buy | 3,500 | $2.15 | 96,928,881 |
| 2009-10-26 | Open-market buy | 6,000 | $2.14 | 96,925,381 |
| 2009-10-26 | Open-market buy | 1,000 | $2.11 | 96,919,381 |
| 2009-10-21 | Open-market buy | 1,500 | $2.29 | 96,912,881 |
| 2009-10-21 | Open-market buy | 2,903 | $2.28 | 96,911,381 |
| 2009-10-21 | Open-market buy | 97 | $2.27 | 96,908,478 |
| 2009-10-21 | Open-market buy | 5,500 | $2.30 | 96,918,381 |
| 2009-10-20 | Open-market buy | 2,500 | $2.36 | 96,904,245 |
| 2009-10-20 | Open-market buy | 2,000 | $2.37 | 96,906,245 |
| 2009-10-20 | Open-market buy | 1,136 | $2.38 | 96,907,381 |
| 2009-10-20 | Open-market buy | 1,000 | $2.39 | 96,908,381 |
| 2009-10-20 | Open-market buy | 864 | $2.35 | 96,901,745 |
| 2009-10-19 | Open-market buy | 749 | $2.38 | 96,892,674 |
| 2009-10-19 | Open-market buy | 5,550 | $2.39 | 96,898,224 |
| 2009-10-19 | Open-market buy | 2,657 | $2.40 | 96,900,881 |
| 2009-10-19 | Open-market buy | 444 | $2.36 | 96,891,325 |
| 2009-10-19 | Open-market buy | 600 | $2.37 | 96,891,925 |
| 2009-10-15 | Open-market buy | 827 | $2.43 | 96,890,881 |
| 2009-10-15 | Open-market buy | 1,000 | $2.35 | 96,881,881 |
| 2009-10-15 | Open-market buy | 2,000 | $2.36 | 96,883,881 |
| 2009-10-15 | Open-market buy | 1,000 | $2.38 | 96,884,881 |
| 2009-10-15 | Open-market buy | 1,773 | $2.39 | 96,886,654 |
| 2009-10-15 | Open-market buy | 2,000 | $2.40 | 96,888,654 |
| 2009-10-15 | Open-market buy | 1,000 | $2.41 | 96,889,654 |
| 2009-10-15 | Open-market buy | 400 | $2.42 | 96,890,054 |
| 2009-10-14 | Open-market buy | 2,500 | $2.32 | 96,875,881 |
| 2009-10-14 | Open-market buy | 5,000 | $2.33 | 96,880,881 |
| 2009-10-13 | Open-market buy | 900 | $2.30 | 96,865,381 |
| 2009-10-13 | Open-market buy | 1,000 | $2.34 | 96,873,381 |
| 2009-10-13 | Open-market buy | 1,100 | $2.26 | 96,864,481 |
| 2009-10-13 | Open-market buy | 3,000 | $2.31 | 96,868,381 |
| 2009-10-13 | Open-market buy | 4,000 | $2.32 | 96,872,381 |
| 2009-10-02 | Open-market buy | 100 | $2.37 | 96,863,381 |
| 2009-10-02 | Open-market buy | 2,000 | $2.36 | 96,863,281 |
| 2009-10-02 | Open-market buy | 1,600 | $2.35 | 96,861,281 |
| 2009-10-02 | Open-market buy | 6,900 | $2.34 | 96,859,681 |
| 2009-10-02 | Open-market buy | 4,100 | $2.33 | 96,852,781 |
| 2009-10-02 | Open-market buy | 2,900 | $2.32 | 96,848,681 |
| 2009-10-02 | Open-market buy | 1,000 | $2.31 | 96,845,781 |
| 2009-10-02 | Open-market buy | 6,200 | $2.30 | 96,844,781 |
| 2009-10-02 | Open-market buy | 3,100 | $2.29 | 96,838,581 |
| 2009-10-02 | Open-market buy | 1,900 | $2.28 | 96,835,481 |
| 2009-10-02 | Open-market buy | 6,400 | $2.27 | 96,833,581 |
| 2009-10-02 | Open-market buy | 6,000 | $2.26 | 96,827,181 |
| 2009-10-02 | Open-market buy | 9,100 | $2.25 | 96,821,181 |
| 2009-10-02 | Open-market buy | 1,500 | $2.24 | 96,812,081 |
| 2009-10-02 | Open-market buy | 600 | $2.23 | 96,810,581 |
| 2009-10-02 | Open-market buy | 600 | $2.22 | 96,809,981 |
| 2009-10-02 | Open-market buy | 600 | $2.21 | 96,809,381 |
| 2009-10-02 | Open-market buy | 2,600 | $2.20 | 96,808,781 |
| 2009-10-02 | Open-market buy | 2,100 | $2.19 | 96,806,181 |
| 2009-10-02 | Open-market buy | 1,100 | $2.18 | 96,804,081 |
| 2009-10-02 | Open-market buy | 400 | $2.17 | 96,802,981 |
| 2009-10-02 | Open-market buy | 5,300 | $2.16 | 96,802,581 |
| 2009-10-02 | Open-market buy | 8,100 | $2.15 | 96,797,281 |
| 2009-10-02 | Open-market buy | 200 | $2.14 | 96,789,181 |
| 2009-10-02 | Open-market buy | 100 | $2.13 | 96,788,981 |
| 2009-10-02 | Open-market buy | 100 | $2.12 | 96,788,881 |
| 2009-10-02 | Open-market buy | 200 | $2.11 | 96,788,781 |
| 2009-10-02 | Open-market buy | 100 | $2.10 | 96,788,581 |
| 2009-10-02 | Open-market buy | 100 | $2.09 | 96,788,481 |
| 2009-09-18 | Grant / award (derivative) | 630,048 | $0.00 | 630,048 |
| 2009-09-18 | Grant / award (derivative) | 252,019 | $24.80 | 252,019 |
| 2009-08-07 | Open-market buy | 20,000 | $2.17 | 96,788,381 |
| 2009-08-06 | Open-market buy | 1,100 | $2.06 | 96,768,381 |
| 2009-08-06 | Open-market buy | 1,100 | $2.05 | 96,767,281 |
| 2009-08-06 | Open-market buy | 100 | $2.04 | 96,766,181 |
| 2009-08-06 | Open-market buy | 300 | $2.03 | 96,766,081 |
| 2009-08-06 | Open-market buy | 1,400 | $2.02 | 96,765,781 |
| 2009-08-06 | Open-market buy | 4,800 | $1.93 | 96,764,381 |
| 2009-08-06 | Open-market buy | 5,200 | $1.92 | 96,759,581 |
| 2009-08-06 | Open-market buy | 6,000 | $1.91 | 96,754,381 |
| 2009-08-05 | Open-market buy | 2,900 | $1.97 | 96,731,281 |
| 2009-08-05 | Open-market buy | 2,800 | $1.98 | 96,734,081 |
| 2009-08-05 | Open-market buy | 7,450 | $1.99 | 96,741,531 |
| 2009-08-05 | Open-market buy | 1,600 | $2.01 | 96,748,381 |
| 2009-08-05 | Open-market buy | 5,250 | $2.00 | 96,746,781 |
| 2009-07-27 | Open-market buy | 932,734 | $1.75 | 96,728,381 |
| 2009-07-10 | Open-market buy | 300 | $1.59 | 95,795,647 |
| 2009-07-10 | Open-market buy | 3,600 | $1.56 | 95,794,247 |
| 2009-07-10 | Open-market buy | 100 | $1.57 | 95,794,347 |
| 2009-07-10 | Open-market buy | 1,000 | $1.58 | 95,795,347 |
| 2009-07-09 | Open-market buy | 500 | $1.57 | 95,788,147 |
| 2009-07-09 | Open-market buy | 2,000 | $1.59 | 95,790,647 |
| 2009-07-09 | Open-market buy | 500 | $1.58 | 95,788,647 |
| 2009-07-09 | Open-market buy | 1,000 | $1.56 | 95,787,647 |
| 2009-07-08 | Open-market buy | 1,000 | $1.59 | 95,780,757 |
| 2009-07-08 | Open-market buy | 910 | $1.58 | 95,779,757 |
| 2009-07-08 | Open-market buy | 300 | $1.60 | 95,781,057 |
| 2009-07-08 | Open-market buy | 1,590 | $1.61 | 95,782,647 |
| 2009-07-08 | Open-market buy | 400 | $1.62 | 95,783,047 |
| 2009-07-08 | Open-market buy | 3,600 | $1.64 | 95,786,647 |
| 2009-07-08 | Open-market buy | 200 | $1.56 | 95,778,847 |
| 2009-07-07 | Open-market buy | 5,000 | $1.64 | 95,771,647 |
| 2009-07-07 | Open-market buy | 2,500 | $1.65 | 95,774,147 |
| 2009-07-07 | Open-market buy | 200 | $1.67 | 95,777,647 |
| 2009-07-07 | Open-market buy | 3,300 | $1.66 | 95,777,447 |
| 2009-07-07 | Open-market buy | 1,000 | $1.68 | 95,778,647 |
| 2009-07-06 | Open-market buy | 2,000 | $1.62 | 95,763,647 |
| 2009-07-06 | Open-market buy | 1,000 | $1.61 | 95,761,647 |
| 2009-07-06 | Open-market buy | 1,000 | $1.75 | 95,766,647 |
| 2009-07-06 | Open-market buy | 1,000 | $1.74 | 95,765,647 |
| 2009-07-06 | Open-market buy | 300 | $1.68 | 95,764,647 |
| 2009-07-06 | Open-market buy | 200 | $1.63 | 95,763,847 |
| 2009-07-06 | Open-market buy | 500 | $1.64 | 95,764,347 |
| 2009-07-01 | Open-market buy | 3,150 | $1.75 | 95,760,647 |
| 2009-07-01 | Open-market buy | 800 | $1.74 | 95,757,497 |
| 2009-07-01 | Open-market buy | 2,950 | $1.73 | 95,756,697 |
| 2009-07-01 | Open-market buy | 100 | $1.72 | 95,753,747 |
| 2009-06-29 | Open-market buy | 100 | $1.74 | 95,748,747 |
| 2009-06-29 | Open-market buy | 2,097 | $1.76 | 95,752,350 |
| 2009-06-29 | Open-market buy | 1,506 | $1.75 | 95,750,253 |
| 2009-06-29 | Open-market buy | 1,297 | $1.77 | 95,753,647 |
| 2009-06-29 | Open-market buy | 869 | $1.73 | 95,748,647 |
| 2009-06-29 | Open-market buy | 1,131 | $1.72 | 95,747,778 |
| 2009-06-29 | Open-market buy | 1,000 | $1.71 | 95,746,647 |
| 2009-06-26 | Open-market buy | 3,600 | $1.69 | 95,743,647 |
| 2009-06-26 | Open-market buy | 400 | $1.68 | 95,740,047 |
| 2009-06-26 | Open-market buy | 2,000 | $1.75 | 95,745,647 |
| 2009-06-24 | Open-market buy | 400 | $1.68 | 95,733,147 |
| 2009-06-24 | Open-market buy | 100 | $1.62 | 95,729,747 |
| 2009-06-24 | Open-market buy | 600 | $1.63 | 95,730,347 |
| 2009-06-24 | Open-market buy | 100 | $1.64 | 95,730,447 |
| 2009-06-24 | Open-market buy | 400 | $1.65 | 95,730,847 |
| 2009-06-24 | Open-market buy | 700 | $1.66 | 95,731,547 |
| 2009-06-24 | Open-market buy | 1,200 | $1.67 | 95,732,747 |
| 2009-06-24 | Open-market buy | 1,000 | $1.69 | 95,734,147 |
| 2009-06-24 | Open-market buy | 3,000 | $1.72 | 95,737,147 |
| 2009-06-24 | Open-market buy | 2,500 | $1.73 | 95,739,647 |
| 2009-06-18 | Open-market buy | 1,100 | $1.54 | 95,729,647 |
| 2009-06-15 | Open-market buy | 2,000 | $1.43 | 95,715,547 |
| 2009-06-15 | Open-market buy | 7,000 | $1.44 | 95,722,547 |
| 2009-06-15 | Open-market buy | 1,000 | $1.45 | 95,723,547 |
| 2009-06-15 | Open-market buy | 1,000 | $1.49 | 95,724,547 |
| 2009-06-15 | Open-market buy | 1,000 | $1.50 | 95,725,547 |
| 2009-06-15 | Open-market buy | 2,000 | $1.51 | 95,727,547 |
| 2009-06-15 | Open-market buy | 1,000 | $1.52 | 95,728,547 |
| 2009-06-11 | Open-market buy | 800 | $1.56 | 95,713,329 |
| 2009-06-11 | Open-market buy | 682 | $1.55 | 95,712,529 |
| 2009-06-11 | Open-market buy | 3,600 | $1.54 | 95,711,847 |
| 2009-06-11 | Open-market buy | 700 | $1.53 | 95,708,247 |
| 2009-06-11 | Open-market buy | 900 | $1.52 | 95,707,547 |
| 2009-06-11 | Open-market buy | 3,100 | $1.51 | 95,706,647 |
| 2009-06-11 | Open-market buy | 218 | $1.57 | 95,713,547 |
| 2009-06-10 | Open-market buy | 600 | $1.49 | 95,692,147 |
| 2009-06-10 | Open-market buy | 2,500 | $1.52 | 95,697,547 |
| 2009-06-10 | Open-market buy | 2,000 | $1.47 | 95,691,547 |
| 2009-06-10 | Open-market buy | 4,000 | $1.54 | 95,701,547 |
| 2009-06-10 | Open-market buy | 2,000 | $1.59 | 95,703,547 |
| 2009-06-10 | Open-market buy | 700 | $1.50 | 95,692,847 |
| 2009-06-10 | Open-market buy | 2,200 | $1.51 | 95,695,047 |
| 2009-06-10 | Open-market buy | 1,000 | $1.46 | 95,689,547 |
| 2009-05-27 | Open-market buy | 3,979 | $1.17 | 95,682,997 |
| 2009-05-27 | Open-market buy | 200 | $1.19 | 95,688,547 |
| 2009-05-27 | Open-market buy | 5,350 | $1.18 | 95,688,347 |
| 2009-05-27 | Open-market buy | 421 | $1.16 | 95,679,018 |
| 2009-05-27 | Open-market buy | 50 | $1.15 | 95,678,597 |
| 2009-05-26 | Open-market buy | 300 | $1.12 | 95,669,847 |
| 2009-05-26 | Open-market buy | 1,000 | $1.10 | 95,669,547 |
| 2009-05-26 | Open-market buy | 200 | $1.14 | 95,670,047 |
| 2009-05-26 | Open-market buy | 500 | $1.15 | 95,670,547 |
| 2009-05-26 | Open-market buy | 1,839 | $1.17 | 95,672,386 |
| 2009-05-26 | Open-market buy | 2,590 | $1.18 | 95,674,976 |
| 2009-05-26 | Open-market buy | 2,821 | $1.19 | 95,677,797 |
| 2009-05-26 | Open-market buy | 750 | $1.20 | 95,678,547 |
| 2009-05-22 | Open-market buy | 1,401 | $1.16 | 95,662,274 |
| 2009-05-22 | Open-market buy | 326 | $1.13 | 95,660,873 |
| 2009-05-22 | Open-market buy | 3,374 | $1.20 | 95,668,547 |
| 2009-05-22 | Open-market buy | 1,500 | $1.19 | 95,665,173 |
| 2009-05-22 | Open-market buy | 200 | $1.18 | 95,663,673 |
| 2009-05-22 | Open-market buy | 1,199 | $1.17 | 95,663,473 |
| 2009-05-21 | Open-market buy | 1,000 | $1.21 | 95,660,547 |
| 2009-05-21 | Open-market buy | 4,035 | $1.17 | 95,659,547 |
| 2009-05-21 | Open-market buy | 2,965 | $1.16 | 95,655,512 |
| 2009-05-15 | Open-market buy | 1,000 | $1.25 | 95,650,647 |
| 2009-05-15 | Open-market buy | 700 | $1.24 | 95,649,647 |
| 2009-05-15 | Open-market buy | 1,900 | $1.28 | 95,652,547 |
| 2009-05-15 | Open-market buy | 400 | $1.23 | 95,648,947 |
| 2009-05-14 | Open-market buy | 166,600 | $1.00 | 95,648,547 |
| 2009-05-13 | Open-market buy | 1,000 | $1.08 | 95,481,947 |
| 2009-05-13 | Open-market buy | 3,000 | $1.07 | 95,480,947 |
| 2009-05-12 | Open-market buy | 1,300 | $1.15 | 95,477,947 |
| 2009-05-12 | Open-market buy | 2,500 | $1.14 | 95,476,647 |
| 2009-05-12 | Open-market buy | 3,700 | $1.13 | 95,474,147 |
| 2009-05-11 | Open-market buy | 50 | $1.12 | 95,466,497 |
| 2009-05-11 | Open-market buy | 300 | $1.14 | 95,467,947 |
| 2009-05-11 | Open-market buy | 1,150 | $1.13 | 95,467,647 |
| 2009-05-11 | Open-market buy | 2,500 | $1.15 | 95,470,447 |
| 2009-05-08 | Open-market buy | 400 | $1.07 | 95,462,847 |
| 2009-05-08 | Open-market buy | 500 | $1.09 | 95,463,347 |
| 2009-05-08 | Open-market buy | 800 | $1.14 | 95,466,447 |
| 2009-05-08 | Open-market buy | 800 | $1.11 | 95,464,147 |
| 2009-05-08 | Open-market buy | 650 | $1.12 | 95,464,797 |
| 2009-05-08 | Open-market buy | 850 | $1.13 | 95,465,647 |
| 2009-05-06 | Open-market buy | 2,400 | $1.15 | 95,460,947 |
| 2009-05-06 | Open-market buy | 1,100 | $1.14 | 95,462,047 |
| 2009-05-06 | Open-market buy | 400 | $1.13 | 95,462,447 |
| 2009-05-06 | Open-market buy | 3,600 | $1.16 | 95,458,547 |
| 2009-05-05 | Grant / award (derivative) | 350,000 | $0.00 | 350,000 |
| 2009-05-05 | Open-market buy | 1,985 | $1.16 | 95,454,947 |
| 2009-05-05 | Open-market buy | 48 | $1.14 | 95,449,995 |
| 2009-05-05 | Open-market buy | 2,967 | $1.15 | 95,452,962 |
| 2009-05-01 | Open-market buy | 3,000 | $1.16 | 95,447,947 |
| 2009-05-01 | Open-market buy | 61 | $1.17 | 95,448,008 |
| 2009-05-01 | Open-market buy | 1,939 | $1.18 | 95,449,947 |
| 2009-04-28 | Open-market buy | 500 | $1.14 | 95,440,447 |
| 2009-04-28 | Open-market buy | 700 | $1.15 | 95,441,147 |
| 2009-04-28 | Open-market buy | 500 | $1.17 | 95,443,947 |
| 2009-04-28 | Open-market buy | 1,000 | $1.18 | 95,444,947 |
| 2009-04-28 | Open-market buy | 2,300 | $1.16 | 95,443,447 |
| 2009-04-24 | Open-market buy | 2,000 | $1.14 | 95,436,947 |
| 2009-04-24 | Open-market buy | 1,000 | $1.16 | 95,439,947 |
| 2009-04-24 | Open-market buy | 2,000 | $1.15 | 95,438,947 |
| 2009-04-23 | Open-market buy | 5,000 | $1.18 | 95,434,947 |
| 2009-04-15 | Open-market buy | 1,200 | $1.02 | 95,426,147 |
| 2009-04-15 | Open-market buy | 17 | $1.05 | 95,429,947 |
| 2009-04-15 | Open-market buy | 3,783 | $1.03 | 95,429,930 |
| 2009-04-14 | Open-market buy | 900 | $1.07 | 95,422,747 |
| 2009-04-14 | Open-market buy | 200 | $1.09 | 95,421,647 |
| 2009-04-14 | Open-market buy | 200 | $1.08 | 95,421,847 |
| 2009-04-14 | Open-market buy | 1,100 | $1.06 | 95,423,847 |
| 2009-04-14 | Open-market buy | 1,100 | $1.03 | 95,424,947 |
| 2009-04-08 | Open-market buy | 500 | $1.00 | 95,419,747 |
| 2009-04-08 | Open-market buy | 400 | $0.98 | 95,418,647 |
| 2009-04-08 | Open-market buy | 600 | $0.99 | 95,419,247 |
| 2009-04-08 | Open-market buy | 1,700 | $1.00 | 95,421,447 |
| 2009-04-07 | Open-market buy | 2,883 | $1.01 | 95,418,047 |
| 2009-04-07 | Open-market buy | 417 | $1.00 | 95,415,164 |
| 2009-04-07 | Open-market buy | 200 | $1.02 | 95,418,247 |
| 2009-04-06 | Open-market buy | 3,000 | $1.04 | 95,414,747 |
| 2009-04-06 | Open-market buy | 1,100 | $1.01 | 95,411,747 |
| 2009-04-06 | Open-market buy | 900 | $1.00 | 95,410,647 |
| 2009-04-01 | Open-market buy | 7,900 | $0.98 | 95,409,747 |
| 2009-04-01 | Open-market buy | 100 | $0.96 | 95,401,847 |
| 2009-03-30 | Open-market buy | 3,000 | $0.98 | 95,401,747 |
| 2009-03-27 | Open-market buy | 5,000 | $1.02 | 95,398,747 |
| 2009-03-25 | Open-market buy | 4,000 | $0.80 | 95,384,347 |
| 2009-03-25 | Open-market buy | 9,400 | $0.81 | 95,393,747 |
| 2009-03-20 | Open-market buy | 2,000 | $0.74 | 95,337,223 |
| 2009-03-20 | Open-market buy | 1,000 | $0.78 | 95,380,347 |
| 2009-03-20 | Open-market buy | 27,400 | $0.77 | 95,379,347 |
| 2009-03-20 | Open-market buy | 3,224 | $0.76 | 95,351,947 |
| 2009-03-20 | Open-market buy | 11,000 | $0.75 | 95,348,723 |
| 2009-03-20 | Open-market buy | 500 | $0.75 | 95,337,723 |
| 2009-03-19 | Open-market buy | 4,200 | $0.80 | 95,335,223 |
| 2009-03-19 | Open-market buy | 800 | $0.79 | 95,331,023 |
| 2009-03-16 | Open-market buy | 2,054,710 | $0.57 | 95,330,223 |
| 2009-03-12 | Open-market buy | 2,500 | $0.62 | 93,275,513 |
| 2009-03-12 | Open-market buy | 2,807 | $0.58 | 93,250,016 |
| 2009-03-12 | Open-market buy | 3,104 | $0.59 | 93,253,120 |
| 2009-03-12 | Open-market buy | 500 | $0.59 | 93,253,620 |
| 2009-03-12 | Open-market buy | 19,393 | $0.60 | 93,273,013 |
| 2009-03-11 | Open-market buy | 15,072 | $0.61 | 93,213,581 |
| 2009-03-11 | Open-market buy | 100 | $0.57 | 93,197,309 |
| 2009-03-11 | Open-market buy | 300 | $0.58 | 93,197,609 |
| 2009-03-11 | Open-market buy | 900 | $0.60 | 93,198,509 |
| 2009-03-11 | Open-market buy | 15,000 | $0.62 | 93,228,581 |
| 2009-03-11 | Open-market buy | 6,528 | $0.63 | 93,235,109 |
| 2009-03-11 | Open-market buy | 8,000 | $0.65 | 93,247,209 |
| 2009-03-11 | Open-market buy | 1,600 | $0.65 | 93,239,209 |
| 2009-03-11 | Open-market buy | 2,500 | $0.64 | 93,237,609 |
| 2009-03-10 | Open-market buy | 9,700 | $0.66 | 93,187,009 |
| 2009-03-10 | Open-market buy | 6,100 | $0.64 | 93,163,309 |
| 2009-03-10 | Open-market buy | 1,700 | $0.68 | 93,197,209 |
| 2009-03-10 | Open-market buy | 8,500 | $0.67 | 93,195,509 |
| 2009-03-10 | Open-market buy | 100 | $0.66 | 93,177,309 |
| 2009-03-10 | Open-market buy | 13,900 | $0.65 | 93,177,209 |
| 2009-03-09 | Open-market buy | 20,000 | $0.67 | 93,100,776 |
| 2009-03-09 | Open-market buy | 5,000 | $0.64 | 93,012,209 |
| 2009-03-09 | Open-market buy | 5,000 | $0.69 | 93,154,709 |
| 2009-03-09 | Open-market buy | 18,533 | $0.68 | 93,149,709 |
| 2009-03-09 | Open-market buy | 30,400 | $0.67 | 93,131,176 |
| 2009-03-09 | Open-market buy | 2,500 | $0.70 | 93,157,209 |
| 2009-03-09 | Open-market buy | 18,900 | $0.66 | 93,080,776 |
| 2009-03-09 | Open-market buy | 49,667 | $0.65 | 93,061,876 |
| 2009-03-06 | Open-market buy | 32,900 | $0.87 | 93,007,209 |
| 2009-03-06 | Open-market buy | 12,795 | $0.86 | 92,974,309 |
| 2009-03-06 | Open-market buy | 14,305 | $0.85 | 92,961,514 |
| 2009-03-06 | Open-market buy | 1,300 | $0.83 | 92,947,209 |
| 2009-03-06 | Open-market buy | 25,700 | $0.82 | 92,945,909 |
| 2009-03-06 | Open-market buy | 300 | $0.80 | 92,920,209 |
| 2009-03-06 | Open-market buy | 12,700 | $0.79 | 92,919,909 |
| 2009-03-06 | Open-market buy | 4,000 | $0.75 | 92,907,209 |
| 2009-03-06 | Open-market buy | 26,502 | $0.72 | 92,903,109 |
| 2009-03-06 | Open-market buy | 10,400 | $0.71 | 92,876,607 |
| 2009-03-06 | Open-market buy | 96,270 | $0.70 | 92,866,207 |
| 2009-03-06 | Open-market buy | 14,600 | $0.69 | 92,769,937 |
| 2009-03-06 | Open-market buy | 5,400 | $0.69 | 92,755,337 |
| 2009-03-06 | Open-market buy | 300 | $0.68 | 92,749,937 |
| 2009-03-06 | Open-market buy | 26,898 | $0.68 | 92,749,637 |
| 2009-03-06 | Open-market buy | 56,588 | $0.67 | 92,722,739 |
| 2009-03-06 | Open-market buy | 66,400 | $0.66 | 92,666,151 |
| 2009-03-06 | Open-market buy | 100 | $0.66 | 92,599,751 |
| 2009-03-06 | Open-market buy | 412 | $0.66 | 92,599,651 |
| 2009-03-06 | Open-market buy | 136,500 | $0.65 | 92,599,239 |
| 2009-03-06 | Open-market buy | 300 | $0.65 | 92,462,739 |
| 2009-03-06 | Open-market buy | 100 | $0.64 | 92,462,439 |
| 2009-03-06 | Open-market buy | 1,100 | $0.64 | 92,462,339 |
| 2009-03-06 | Open-market buy | 30,618 | $0.64 | 92,461,239 |
| 2009-03-06 | Open-market buy | 3,000 | $0.64 | 92,430,621 |
| 2009-03-06 | Open-market buy | 1,100 | $0.64 | 92,427,621 |
| 2009-03-06 | Open-market buy | 100 | $0.73 | 92,903,209 |
| 2009-03-06 | Open-market buy | 44,915 | $0.63 | 92,421,521 |
| 2009-03-06 | Open-market buy | 100 | $0.63 | 92,376,606 |
| 2009-03-06 | Open-market buy | 2,930 | $0.62 | 92,376,506 |
| 2009-03-06 | Open-market buy | 29,400 | $0.61 | 92,373,576 |
| 2009-03-06 | Open-market buy | 100 | $0.61 | 92,344,176 |
| 2009-03-06 | Open-market buy | 100 | $0.60 | 92,344,076 |
| 2009-03-06 | Open-market buy | 11,600 | $0.60 | 92,343,976 |
| 2009-03-06 | Open-market buy | 75,000 | $0.60 | 92,332,376 |
| 2009-03-06 | Open-market buy | 6,555 | $0.59 | 92,257,376 |
| 2009-03-06 | Open-market buy | 5,000 | $0.64 | 92,426,521 |
| 2009-03-05 | Open-market buy | 2,500 | $0.98 | 92,249,821 |
| 2009-03-05 | Open-market buy | 1,000 | $0.99 | 92,250,821 |
| 2009-03-05 | Open-market buy | 1,000 | $0.95 | 92,247,321 |
| 2009-03-05 | Open-market buy | 4,700 | $0.92 | 92,246,321 |
| 2009-03-05 | Open-market buy | 25,300 | $0.91 | 92,241,621 |
| 2009-03-05 | Open-market buy | 7,000 | $0.90 | 92,216,321 |
| 2009-03-05 | Open-market buy | 5,000 | $0.88 | 92,209,321 |
| 2009-03-04 | Open-market buy | 15,549 | $0.99 | 92,191,686 |
| 2009-03-04 | Open-market buy | 1,416 | $0.98 | 92,176,137 |
| 2009-03-04 | Open-market buy | 5,250 | $0.97 | 92,174,721 |
| 2009-03-04 | Open-market buy | 4,750 | $0.96 | 92,169,471 |
| 2009-03-04 | Open-market buy | 400 | $0.92 | 92,164,721 |
| 2009-03-04 | Open-market buy | 1,600 | $0.99 | 92,193,286 |
| 2009-03-04 | Open-market buy | 11,035 | $1.00 | 92,204,321 |
| 2009-03-03 | Open-market buy | 23,388 | $0.98 | 92,149,638 |
| 2009-03-03 | Open-market buy | 200 | $0.97 | 92,126,250 |
| 2009-03-03 | Open-market buy | 900 | $0.96 | 92,126,050 |
| 2009-03-03 | Open-market buy | 7,529 | $0.95 | 92,125,150 |
| 2009-03-03 | Open-market buy | 1,000 | $0.94 | 92,117,621 |
| 2009-03-03 | Open-market buy | 296 | $1.00 | 92,164,321 |
| 2009-03-03 | Open-market buy | 13,287 | $0.99 | 92,164,025 |
| 2009-03-03 | Open-market buy | 100 | $0.99 | 92,150,738 |
| 2009-03-03 | Open-market buy | 1,000 | $0.99 | 92,150,638 |
| 2009-03-02 | Open-market buy | 13,900 | $1.00 | 92,116,621 |
| 2009-02-27 | Open-market buy | 1,000 | $1.05 | 92,102,721 |
| 2009-02-27 | Open-market buy | 5,000 | $1.03 | 92,101,721 |
| 2009-02-27 | Open-market buy | 10,000 | $1.02 | 92,096,721 |
| 2009-02-27 | Open-market buy | 7,700 | $1.00 | 92,086,721 |
| 2009-02-27 | Open-market buy | 2,600 | $0.99 | 92,079,021 |
| 2009-02-27 | Open-market buy | 3,279 | $0.98 | 92,076,421 |
| 2009-02-27 | Open-market buy | 1,200 | $0.97 | 92,073,142 |
| 2009-02-27 | Open-market buy | 100 | $0.96 | 92,071,942 |
| 2009-02-24 | Open-market buy | 5,100 | $1.11 | 92,071,842 |
| 2009-02-24 | Open-market buy | 1,900 | $1.10 | 92,066,742 |
| 2009-02-24 | Open-market buy | 3,200 | $1.06 | 92,064,842 |
| 2009-02-24 | Open-market buy | 7,400 | $1.05 | 92,061,642 |
| 2009-02-24 | Open-market buy | 1,400 | $1.04 | 92,054,242 |
| 2009-02-24 | Open-market buy | 3,500 | $1.03 | 92,052,842 |
| 2009-02-24 | Open-market buy | 300 | $1.02 | 92,049,342 |
| 2009-02-24 | Open-market buy | 800 | $1.01 | 92,049,042 |
| 2009-02-24 | Open-market buy | 5,500 | $0.98 | 92,048,242 |
| 2009-02-24 | Open-market buy | 100 | $0.97 | 92,042,742 |
| 2009-02-24 | Open-market buy | 200 | $0.96 | 92,042,642 |
| 2009-02-24 | Open-market buy | 300 | $0.95 | 92,042,442 |
| 2009-02-24 | Open-market buy | 100 | $0.94 | 92,042,142 |
| 2009-02-24 | Open-market buy | 200 | $0.93 | 92,042,042 |
| 2009-02-23 | Open-market buy | 5,813 | $1.04 | 72,041,842 |
| 2009-02-23 | Open-market buy | 4,187 | $1.03 | 72,036,029 |
| 2009-02-23 | Grant / award | 20,000,000 | $1.00 | 92,041,842 |
| 2009-02-13 | Open-market buy | 3,200 | $1.25 | 72,030,742 |
| 2009-02-13 | Open-market buy | 200 | $1.22 | 72,027,042 |
| 2009-02-13 | Open-market buy | 1,100 | $1.26 | 72,031,842 |
| 2009-02-13 | Open-market buy | 400 | $1.24 | 72,027,542 |
| 2009-02-13 | Open-market buy | 100 | $1.23 | 72,027,142 |
| 2009-02-10 | Open-market buy | 5,000 | $1.24 | 72,026,842 |
| 2009-02-09 | Open-market buy | 3,960 | $1.26 | 72,021,842 |
| 2009-02-09 | Open-market buy | 40 | $1.27 | 72,017,882 |
| 2009-02-06 | Open-market buy | 958,390 | $1.00 | 72,017,842 |
| 2008-12-12 | Open-market buy | 2,044 | $1.47 | 71,059,452 |
| 2008-12-12 | Open-market buy | 456 | $1.46 | 71,057,408 |
| 2008-12-12 | Open-market buy | 2,500 | $1.42 | 71,056,952 |
| 2008-12-12 | Open-market buy | 2,500 | $1.40 | 71,054,452 |
| 2008-12-12 | Open-market buy | 2,500 | $1.32 | 71,051,952 |
| 2008-12-11 | Open-market buy | 1,900 | $1.39 | 71,043,852 |
| 2008-12-11 | Open-market buy | 2,000 | $1.41 | 71,047,052 |
| 2008-12-11 | Open-market buy | 1,200 | $1.40 | 71,045,052 |
| 2008-12-11 | Open-market buy | 2,400 | $1.42 | 71,049,452 |
| 2008-12-11 | Open-market buy | 1,500 | $1.37 | 71,041,952 |
| 2008-12-11 | Open-market buy | 100 | $1.36 | 71,040,452 |
| 2008-12-11 | Open-market buy | 900 | $1.35 | 71,040,352 |
| 2008-11-14 | Open-market buy | 600,000 | $1.05 | 71,039,452 |
| 2008-11-10 | Open-market buy | 3,800 | $1.26 | 70,439,452 |
| 2008-11-10 | Open-market buy | 1,200 | $1.25 | 70,435,652 |
| 2008-10-22 | Open-market buy | 2,600 | $1.31 | 70,434,452 |
| 2008-10-22 | Open-market buy | 2,400 | $1.30 | 70,431,852 |
| 2008-10-22 | Open-market buy | 5,000 | $1.29 | 70,429,452 |
| 2008-10-15 | Open-market buy | 300 | $1.33 | 70,410,052 |
| 2008-10-15 | Open-market buy | 600 | $1.39 | 70,411,852 |
| 2008-10-15 | Open-market buy | 600 | $1.38 | 70,411,252 |
| 2008-10-15 | Open-market buy | 600 | $1.37 | 70,410,652 |
| 2008-10-15 | Open-market buy | 6,100 | $1.42 | 70,424,452 |
| 2008-10-15 | Open-market buy | 6,500 | $1.40 | 70,418,352 |
| 2008-10-15 | Open-market buy | 300 | $1.32 | 70,409,752 |
| 2008-10-10 | Open-market buy | 3,500 | $1.34 | 70,409,452 |
| 2008-10-10 | Open-market buy | 2,500 | $1.28 | 70,405,952 |
| 2008-10-10 | Open-market buy | 3,000 | $1.25 | 70,403,452 |
| 2008-10-10 | Open-market buy | 1,000 | $1.22 | 70,400,452 |
| 2008-10-09 | Open-market buy | 800 | $1.34 | 70,392,252 |
| 2008-10-09 | Open-market buy | 6,700 | $1.36 | 70,399,452 |
| 2008-10-09 | Open-market buy | 500 | $1.35 | 70,392,752 |
| 2008-10-07 | Open-market buy | 2,500 | $1.42 | 70,387,552 |
| 2008-10-07 | Open-market buy | 3,900 | $1.43 | 70,391,452 |
| 2008-10-07 | Open-market buy | 3,100 | $1.41 | 70,385,052 |
| 2008-10-07 | Open-market buy | 500 | $1.40 | 70,381,952 |
| 2008-10-06 | Open-market buy | 3,100 | $1.41 | 70,378,952 |
| 2008-10-06 | Open-market buy | 1,300 | $1.40 | 70,375,852 |
| 2008-10-06 | Open-market buy | 3,100 | $1.39 | 70,374,552 |
| 2008-10-06 | Open-market buy | 2,500 | $1.47 | 70,381,452 |
| 2008-10-02 | Open-market buy | 3,000 | $1.57 | 70,365,452 |
| 2008-10-02 | Open-market buy | 5,200 | $1.58 | 70,370,652 |
| 2008-10-02 | Open-market buy | 800 | $1.59 | 70,371,452 |
| 2008-10-02 | Open-market buy | 1,000 | $1.56 | 70,362,452 |
| 2008-09-29 | Open-market buy | 2,100 | $1.55 | 70,355,052 |
| 2008-09-29 | Open-market buy | 4,900 | $1.56 | 70,359,952 |
| 2008-09-29 | Open-market buy | 1,500 | $1.57 | 70,361,452 |
| 2008-09-29 | Open-market buy | 1,500 | $1.54 | 70,352,952 |
| 2008-09-26 | Open-market buy | 5,000 | $1.56 | 70,341,452 |
| 2008-09-26 | Open-market buy | 2,500 | $1.57 | 70,343,952 |
| 2008-09-26 | Open-market buy | 2,000 | $1.58 | 70,345,952 |
| 2008-09-26 | Open-market buy | 3,500 | $1.59 | 70,349,452 |
| 2008-09-26 | Open-market buy | 1,000 | $1.60 | 70,350,452 |
| 2008-09-26 | Open-market buy | 400 | $1.63 | 70,350,852 |
| 2008-09-26 | Open-market buy | 600 | $1.64 | 70,351,452 |
| 2008-09-18 | Open-market buy | 2,500 | $1.65 | 70,336,452 |
| 2008-09-18 | Open-market buy | 20,600 | $1.49 | 70,327,752 |
| 2008-09-18 | Open-market buy | 1,000 | $1.60 | 70,333,952 |
| 2008-09-18 | Open-market buy | 600 | $1.59 | 70,332,952 |
| 2008-09-18 | Open-market buy | 800 | $1.50 | 70,328,552 |
| 2008-09-18 | Open-market buy | 1,600 | $1.51 | 70,330,152 |
| 2008-09-18 | Open-market buy | 700 | $1.48 | 70,307,152 |
| 2008-09-18 | Open-market buy | 600 | $1.47 | 70,306,452 |
| 2008-09-18 | Open-market buy | 151 | $1.46 | 70,305,852 |
| 2008-09-18 | Open-market buy | 3,349 | $1.45 | 70,305,701 |
| 2008-09-18 | Open-market buy | 1,700 | $1.52 | 70,331,852 |
| 2008-09-18 | Open-market buy | 500 | $1.58 | 70,332,352 |
| 2008-08-08 | Grant / award | 10,677,705 | $1.11 | 70,302,352 |
| 2008-07-30 | Open-market buy (derivative) | 64,242 | $0.73 | 3,259,816 |
| 2008-07-30 | Open-market buy (derivative) | 64,242 | $0.55 | 3,259,817 |
| 2008-07-30 | Open-market buy (derivative) | 64,242 | $0.35 | 3,259,818 |
| 2008-07-30 | Open-market buy | 786,224 | $1.40 | 59,624,647 |
| 2008-07-11 | Open-market buy | 800 | $1.38 | 58,831,223 |
| 2008-07-11 | Open-market buy | 1,500 | $1.36 | 58,829,923 |
| 2008-07-11 | Open-market buy | 500 | $1.37 | 58,830,423 |
| 2008-07-11 | Open-market buy | 1,700 | $1.40 | 58,832,923 |
| 2008-07-11 | Open-market buy | 5,300 | $1.44 | 58,838,223 |
| 2008-07-11 | Open-market buy | 200 | $1.45 | 58,838,423 |
| 2008-07-10 | Open-market buy | 3,200 | $1.37 | 58,823,123 |
| 2008-07-10 | Open-market buy | 5,300 | $1.38 | 58,828,423 |
| 2008-07-10 | Open-market buy | 11,500 | $1.36 | 58,819,923 |
| 2008-07-02 | Open-market buy | 10,000 | $1.17 | 58,744,044 |
| 2008-07-02 | Open-market buy | 30,000 | $1.18 | 58,774,044 |
| 2008-07-02 | Open-market buy | 34,379 | $1.35 | 58,808,423 |
| 2008-07-02 | Open-market buy | 10,000 | $1.17 | 58,744,044 |
| 2008-07-02 | Open-market buy | 30,000 | $1.18 | 58,774,044 |
| 2008-07-01 | Open-market buy | 132,000 | $1.35 | 58,734,044 |
| 2008-07-01 | Open-market buy | 132,000 | $1.35 | 58,734,044 |
| 2008-06-27 | Open-market buy | 2,600 | $1.56 | 58,584,644 |
| 2008-06-27 | Open-market buy | 600 | $1.57 | 58,585,244 |
| 2008-06-27 | Open-market buy | 1,800 | $1.58 | 58,587,044 |
| 2008-06-27 | Open-market buy | 3,000 | $1.60 | 58,590,044 |
| 2008-06-27 | Open-market buy | 100 | $1.61 | 58,590,144 |
| 2008-06-27 | Open-market buy | 100 | $1.62 | 58,590,244 |
| 2008-06-27 | Open-market buy | 400 | $1.63 | 58,590,644 |
| 2008-06-27 | Open-market buy | 1,400 | $1.66 | 58,592,044 |
| 2008-06-27 | Open-market buy | 7,700 | $1.59 | 58,599,744 |
| 2008-06-27 | Open-market buy | 2,300 | $1.56 | 58,602,044 |
| 2008-06-26 | Open-market buy | 5,000 | $1.63 | 58,582,044 |
| 2008-06-26 | Open-market buy | 5,000 | $1.62 | 58,577,044 |
| 2008-06-25 | Open-market buy | 600 | $1.49 | 58,532,644 |
| 2008-06-25 | Open-market buy | 5,000 | $1.72 | 58,572,044 |
| 2008-06-25 | Open-market buy | 1,800 | $1.64 | 58,567,044 |
| 2008-06-25 | Open-market buy | 500 | $1.61 | 58,565,244 |
| 2008-06-25 | Open-market buy | 100 | $1.60 | 58,564,744 |
| 2008-06-25 | Open-market buy | 1,000 | $1.56 | 58,564,644 |
| 2008-06-25 | Open-market buy | 200 | $1.55 | 58,563,644 |
| 2008-06-25 | Open-market buy | 5,521 | $1.53 | 58,563,444 |
| 2008-06-25 | Open-market buy | 8,200 | $1.52 | 58,557,923 |
| 2008-06-25 | Open-market buy | 6,779 | $1.51 | 58,549,723 |
| 2008-06-25 | Open-market buy | 10,300 | $1.50 | 58,542,944 |
| 2008-06-20 | Open-market buy | 9,200 | $1.73 | 58,531,244 |
| 2008-06-20 | Open-market buy | 800 | $1.74 | 58,532,044 |
| 2008-06-19 | Open-market buy | 4,400 | $1.78 | 58,522,044 |
| 2008-06-19 | Open-market buy | 4,500 | $1.77 | 58,517,644 |
| 2008-06-19 | Open-market buy | 100 | $1.75 | 58,512,144 |
| 2008-06-19 | Open-market buy | 1,000 | $1.76 | 58,513,144 |
| 2008-06-12 | Open-market buy | 5,200 | $1.79 | 58,508,544 |
| 2008-06-12 | Open-market buy | 3,500 | $1.80 | 58,512,044 |
| 2008-06-12 | Open-market buy | 858 | $1.76 | 58,497,902 |
| 2008-06-12 | Open-market buy | 2,442 | $1.77 | 58,500,344 |
| 2008-06-12 | Open-market buy | 3,000 | $1.78 | 58,503,344 |
| 2008-06-11 | Open-market buy | 4,500 | $1.78 | 58,491,544 |
| 2008-06-11 | Open-market buy | 2,500 | $1.79 | 58,494,044 |
| 2008-06-11 | Open-market buy | 3,000 | $1.80 | 58,497,044 |
| 2008-06-09 | Open-market buy | 3,900 | $1.80 | 58,487,044 |
| 2008-06-09 | Open-market buy | 6,100 | $1.79 | 58,483,144 |
| 2008-06-06 | Open-market buy | 7,250 | $1.92 | 58,464,294 |
| 2008-06-06 | Open-market buy | 7,750 | $1.93 | 58,472,044 |
| 2008-06-06 | Open-market buy | 2,900 | $1.94 | 58,474,944 |
| 2008-06-06 | Open-market buy | 2,100 | $1.95 | 58,477,044 |
| 2008-06-05 | Open-market buy | 200 | $1.98 | 58,454,544 |
| 2008-06-05 | Open-market buy | 2,500 | $1.97 | 58,454,344 |
| 2008-06-05 | Open-market buy | 3,000 | $1.95 | 58,445,044 |
| 2008-06-05 | Open-market buy | 1,800 | $2.00 | 58,456,344 |
| 2008-06-05 | Open-market buy | 700 | $2.02 | 58,457,044 |
| 2008-06-05 | Open-market buy | 6,800 | $1.96 | 58,451,844 |
| 2008-06-04 | Open-market buy | 4,500 | $1.98 | 58,439,144 |
| 2008-06-04 | Open-market buy | 2,900 | $1.99 | 58,442,044 |
| 2008-06-04 | Open-market buy | 500 | $1.95 | 58,417,544 |
| 2008-06-04 | Open-market buy | 9,700 | $1.96 | 58,427,244 |
| 2008-06-04 | Open-market buy | 7,400 | $1.97 | 58,434,644 |
| 2008-06-03 | Open-market buy | 3,500 | $2.30 | 58,416,644 |
| 2008-06-03 | Open-market buy | 4,500 | $2.26 | 58,413,144 |
| 2008-06-03 | Open-market buy | 3,600 | $2.25 | 58,408,644 |
| 2008-06-03 | Open-market buy | 300 | $2.24 | 58,405,044 |
| 2008-06-03 | Open-market buy | 1,000 | $2.19 | 58,403,044 |
| 2008-06-03 | Open-market buy | 1,500 | $2.20 | 58,404,544 |
| 2008-06-03 | Open-market buy | 400 | $2.31 | 58,417,044 |
| 2008-06-03 | Open-market buy | 200 | $2.23 | 58,404,744 |
| 2008-05-29 | Open-market buy | 2,500 | $2.40 | 58,401,044 |
| 2008-05-29 | Open-market buy | 300 | $2.39 | 58,398,544 |
| 2008-05-29 | Open-market buy | 1,000 | $2.38 | 58,398,244 |
| 2008-05-29 | Open-market buy | 1,400 | $2.37 | 58,397,244 |
| 2008-05-29 | Open-market buy | 1,000 | $2.36 | 58,395,844 |
| 2008-05-29 | Open-market buy | 700 | $2.34 | 58,392,744 |
| 2008-05-29 | Open-market buy | 1,000 | $2.41 | 58,402,044 |
| 2008-05-29 | Open-market buy | 2,100 | $2.35 | 58,394,844 |
| 2008-05-28 | Open-market buy | 1,400 | $2.44 | 58,392,044 |
| 2008-05-28 | Open-market buy | 100 | $2.43 | 58,390,644 |
| 2008-05-28 | Open-market buy | 1,000 | $2.42 | 58,390,544 |
| 2008-05-28 | Open-market buy | 2,500 | $2.40 | 58,389,544 |
| 2008-05-20 | Open-market buy | 2,500 | $2.19 | 58,374,444 |
| 2008-05-20 | Open-market buy | 2,500 | $2.22 | 58,384,544 |
| 2008-05-20 | Open-market buy | 7,600 | $2.20 | 58,382,044 |
| 2008-05-20 | Open-market buy | 2,500 | $2.24 | 58,387,044 |
| 2008-05-20 | Open-market buy | 2,400 | $2.18 | 58,371,944 |
| 2008-05-20 | Open-market buy | 2,500 | $2.16 | 58,369,544 |
| 2008-05-13 | Open-market buy | 1,000 | $1.92 | 58,363,944 |
| 2008-05-13 | Open-market buy | 1,100 | $1.95 | 58,367,044 |
| 2008-05-13 | Open-market buy | 900 | $1.91 | 58,362,944 |
| 2008-05-13 | Open-market buy | 1,000 | $1.94 | 58,365,944 |
| 2008-05-13 | Open-market buy | 1,000 | $1.93 | 58,364,944 |
| 2008-05-12 | Open-market buy | 100 | $1.78 | 58,362,044 |
| 2008-05-12 | Open-market buy | 5,900 | $1.79 | 58,361,944 |
| 2008-05-09 | Open-market buy | 2,000 | $1.88 | 58,355,544 |
| 2008-05-09 | Open-market buy | 1,500 | $1.86 | 58,353,544 |
| 2008-05-09 | Open-market buy | 1,100 | $1.84 | 58,352,044 |
| 2008-05-09 | Open-market buy | 200 | $1.89 | 58,355,744 |
| 2008-05-09 | Open-market buy | 300 | $1.90 | 58,356,044 |
| 2008-05-09 | Open-market buy | 900 | $1.83 | 58,350,944 |
| 2008-05-08 | Open-market buy (derivative) | 115,046 | $0.20 | 115,046 |
| 2008-05-08 | Open-market buy (derivative) | 210,821 | $1.25 | 210,821 |
| 2008-05-08 | Open-market buy (derivative) | 115,045 | $0.40 | 115,045 |
| 2008-05-08 | Open-market buy | 2,633,200 | $1.25 | 58,350,044 |
| 2008-04-30 | Open-market buy | 3,000 | $1.67 | 55,714,844 |
| 2008-04-30 | Open-market buy | 2,000 | $1.68 | 55,716,844 |
| 2008-04-29 | Open-market buy | 32 | $1.59 | 55,706,876 |
| 2008-04-29 | Open-market buy | 2,108 | $1.60 | 55,708,984 |
| 2008-04-29 | Open-market buy | 2,860 | $1.61 | 55,711,844 |
| 2008-04-28 | Grant / award (derivative) | 300,000 | $0.00 | 300,000 |
| 2008-04-14 | Open-market buy | 9,068 | $1.72 | 55,689,844 |
| 2008-04-14 | Open-market buy | 9,600 | $1.71 | 55,680,776 |
| 2008-04-14 | Open-market buy | 4,900 | $1.70 | 55,671,176 |
| 2008-04-14 | Open-market buy | 15,700 | $1.69 | 55,666,276 |
| 2008-04-14 | Open-market buy | 8,500 | $1.68 | 55,650,576 |
| 2008-04-14 | Open-market buy | 7,110 | $1.67 | 55,642,076 |
| 2008-04-14 | Open-market buy | 6,800 | $1.66 | 55,634,966 |
| 2008-04-14 | Open-market buy | 3,200 | $1.63 | 55,628,166 |
| 2008-04-14 | Open-market buy | 6,622 | $1.62 | 55,624,966 |
| 2008-04-14 | Open-market buy | 600 | $1.61 | 55,618,344 |
| 2008-04-14 | Open-market buy | 8,100 | $1.60 | 55,617,744 |
| 2008-04-14 | Open-market buy | 500 | $1.58 | 55,609,644 |
| 2008-04-14 | Open-market buy | 500 | $1.56 | 55,609,144 |
| 2008-04-14 | Open-market buy | 2,900 | $1.75 | 55,706,844 |
| 2008-04-14 | Open-market buy | 1,600 | $1.74 | 55,703,944 |
| 2008-04-14 | Open-market buy | 12,500 | $1.73 | 55,702,344 |
| 2008-04-11 | Open-market buy | 200 | $1.70 | 55,608,644 |
| 2008-04-11 | Open-market buy | 2,000 | $1.69 | 55,608,444 |
| 2008-04-11 | Open-market buy | 4,400 | $1.68 | 55,606,444 |
| 2008-04-11 | Open-market buy | 11,300 | $1.67 | 55,602,044 |
| 2008-04-11 | Open-market buy | 9,100 | $1.66 | 55,590,744 |
| 2008-04-11 | Open-market buy | 7,900 | $1.65 | 55,581,644 |
| 2008-04-11 | Open-market buy | 7,000 | $1.64 | 55,573,744 |
| 2008-04-11 | Open-market buy | 5,100 | $1.63 | 55,566,744 |
| 2008-04-11 | Open-market buy | 2,000 | $1.62 | 55,561,644 |
| 2008-04-11 | Open-market buy | 1,000 | $1.61 | 55,559,644 |
| 2008-04-10 | Open-market buy | 1,000 | $1.79 | 55,552,644 |
| 2008-04-10 | Open-market buy | 2,000 | $1.80 | 55,554,644 |
| 2008-04-10 | Open-market buy | 1,000 | $1.81 | 55,555,644 |
| 2008-04-10 | Open-market buy | 2,000 | $1.84 | 55,558,644 |
| 2008-04-10 | Open-market buy | 1,000 | $1.82 | 55,556,644 |
| 2008-04-09 | Open-market buy | 4,200 | $1.83 | 55,535,844 |
| 2008-04-09 | Open-market buy | 2,800 | $1.84 | 55,538,644 |
| 2008-04-09 | Open-market buy | 200 | $1.85 | 55,538,844 |
| 2008-04-09 | Open-market buy | 1,000 | $1.87 | 55,539,844 |
| 2008-04-09 | Open-market buy | 1,100 | $1.88 | 55,540,944 |
| 2008-04-09 | Open-market buy | 700 | $1.89 | 55,541,644 |
| 2008-04-09 | Open-market buy | 2,000 | $1.83 | 55,543,644 |
| 2008-04-09 | Open-market buy | 2,500 | $1.84 | 55,546,144 |
| 2008-04-09 | Open-market buy | 1,000 | $1.88 | 55,547,144 |
| 2008-04-09 | Open-market buy | 3,500 | $1.89 | 55,550,644 |
| 2008-04-09 | Open-market buy | 1,000 | $1.90 | 55,551,644 |
| 2008-04-08 | Open-market buy | 3,200 | $1.95 | 55,506,844 |
| 2008-04-08 | Open-market buy | 1,200 | $1.97 | 55,531,644 |
| 2008-04-08 | Open-market buy | 1,800 | $1.96 | 55,530,444 |
| 2008-04-08 | Open-market buy | 9,037 | $1.97 | 55,528,644 |
| 2008-04-08 | Open-market buy | 12,763 | $1.96 | 55,519,607 |
| 2008-04-07 | Open-market buy | 3,000 | $1.98 | 55,493,644 |
| 2008-04-07 | Open-market buy | 2,500 | $1.99 | 55,496,144 |
| 2008-04-07 | Open-market buy | 3,800 | $2.00 | 55,499,944 |
| 2008-04-07 | Open-market buy | 700 | $2.01 | 55,500,644 |
| 2008-04-07 | Open-market buy | 217 | $2.02 | 55,500,861 |
| 2008-04-07 | Open-market buy | 283 | $2.03 | 55,501,144 |
| 2008-04-07 | Open-market buy | 1,500 | $2.04 | 55,502,644 |
| 2008-04-07 | Open-market buy | 1,000 | $2.05 | 55,503,644 |
| 2008-04-04 | Open-market buy | 8,000 | $1.75 | 55,490,644 |
| 2008-04-04 | Open-market buy | 1,300 | $1.91 | 55,433,944 |
| 2008-04-04 | Open-market buy | 5,600 | $1.93 | 55,439,544 |
| 2008-04-04 | Open-market buy | 18,445 | $1.94 | 55,457,989 |
| 2008-04-04 | Open-market buy | 300 | $1.95 | 55,458,289 |
| 2008-04-04 | Open-market buy | 455 | $1.96 | 55,458,744 |
| 2008-04-04 | Open-market buy | 2,700 | $1.97 | 55,461,444 |
| 2008-04-04 | Open-market buy | 300 | $1.98 | 55,461,744 |
| 2008-04-04 | Open-market buy | 700 | $1.99 | 55,462,444 |
| 2008-04-04 | Open-market buy | 9,220 | $2.00 | 55,471,664 |
| 2008-04-04 | Open-market buy | 3,800 | $2.01 | 55,475,464 |
| 2008-04-04 | Open-market buy | 2,780 | $2.02 | 55,478,244 |
| 2008-04-04 | Open-market buy | 1,000 | $2.05 | 55,479,244 |
| 2008-04-04 | Open-market buy | 3,400 | $2.08 | 55,482,644 |
| 2008-04-03 | Open-market buy | 600 | $2.02 | 55,432,244 |
| 2008-04-03 | Open-market buy | 1,400 | $2.01 | 55,431,644 |
| 2008-04-03 | Open-market buy | 5,500 | $2.00 | 55,430,244 |
| 2008-04-03 | Open-market buy | 2,100 | $1.99 | 55,424,744 |
| 2008-04-03 | Open-market buy | 400 | $2.03 | 55,432,644 |
| 2008-04-01 | Open-market buy | 2,200 | $2.18 | 55,413,844 |
| 2008-04-01 | Open-market buy | 8,800 | $2.19 | 55,422,644 |
| 2008-04-01 | Open-market buy | 2,900 | $2.16 | 55,411,644 |
| 2008-04-01 | Open-market buy | 400 | $2.06 | 55,408,744 |
| 2008-04-01 | Open-market buy | 1,100 | $2.05 | 55,408,344 |
| 2008-04-01 | Open-market buy | 7,500 | $2.04 | 55,407,244 |
| 2008-04-01 | Open-market buy | 2,100 | $2.01 | 55,399,744 |
| 2008-03-31 | Open-market buy | 1,900 | $2.02 | 55,389,544 |
| 2008-03-31 | Open-market buy | 1,700 | $2.04 | 55,391,244 |
| 2008-03-31 | Open-market buy | 700 | $2.05 | 55,391,944 |
| 2008-03-31 | Open-market buy | 3,400 | $2.07 | 55,397,644 |
| 2008-03-31 | Open-market buy | 2,300 | $2.06 | 55,394,244 |
| 2008-03-28 | Open-market buy | 700 | $2.13 | 55,383,344 |
| 2008-03-28 | Open-market buy | 1,000 | $2.14 | 55,384,344 |
| 2008-03-28 | Open-market buy | 3,300 | $2.15 | 55,387,644 |
| 2008-03-28 | Open-market buy | 4,000 | $2.12 | 55,382,644 |
| 2008-03-28 | Open-market buy | 1,000 | $2.11 | 55,378,644 |
| 2008-03-20 | Open-market buy | 500 | $2.15 | 55,377,644 |
| 2008-03-20 | Open-market buy | 2,000 | $2.14 | 55,377,144 |
| 2008-03-20 | Open-market buy | 2,000 | $2.13 | 55,375,144 |
| 2008-03-20 | Open-market buy | 5,001 | $2.12 | 55,373,144 |
| 2008-03-20 | Open-market buy | 499 | $2.11 | 55,368,143 |
| 2008-03-18 | Open-market buy | 1,100 | $2.26 | 55,363,944 |
| 2008-03-18 | Open-market buy | 2,200 | $2.23 | 55,359,844 |
| 2008-03-18 | Open-market buy | 600 | $2.29 | 55,365,744 |
| 2008-03-18 | Open-market buy | 1,200 | $2.28 | 55,365,144 |
| 2008-03-18 | Open-market buy | 1,900 | $2.30 | 55,367,644 |
| 2008-03-18 | Open-market buy | 3,000 | $2.25 | 55,362,844 |
| 2008-03-17 | Open-market buy | 500 | $2.19 | 55,348,144 |
| 2008-03-17 | Open-market buy | 500 | $2.24 | 55,352,694 |
| 2008-03-17 | Open-market buy | 1,050 | $2.23 | 55,352,194 |
| 2008-03-17 | Open-market buy | 1,000 | $2.21 | 55,351,144 |
| 2008-03-17 | Open-market buy | 2,000 | $2.20 | 55,350,144 |
| 2008-03-17 | Open-market buy | 4,950 | $2.25 | 55,357,644 |
| 2008-03-14 | Open-market buy | 200 | $2.39 | 55,341,844 |
| 2008-03-14 | Open-market buy | 2,800 | $2.42 | 55,347,644 |
| 2008-03-14 | Open-market buy | 3,000 | $2.40 | 55,344,844 |
| 2008-03-13 | Open-market buy | 595 | $2.42 | 55,337,239 |
| 2008-03-13 | Open-market buy | 4,405 | $2.45 | 55,341,644 |
| 2008-03-12 | Open-market buy | 200,000 | $2.00 | 55,291,644 |
| 2008-03-12 | Open-market buy | 12,000 | $2.47 | 55,325,644 |
| 2008-03-12 | Open-market buy | 2,500 | $2.51 | 55,336,644 |
| 2008-03-12 | Open-market buy | 5,200 | $2.50 | 55,334,144 |
| 2008-03-12 | Open-market buy | 800 | $2.49 | 55,328,944 |
| 2008-03-12 | Open-market buy | 2,500 | $2.48 | 55,328,144 |
| 2008-03-12 | Open-market buy | 1,000 | $2.46 | 55,313,644 |
| 2008-03-12 | Open-market buy | 16,800 | $2.45 | 55,312,644 |
| 2008-03-12 | Open-market buy | 2,700 | $2.44 | 55,295,844 |
| 2008-03-12 | Open-market buy | 1,400 | $2.43 | 55,293,144 |
| 2008-03-12 | Open-market buy | 100 | $2.42 | 55,291,744 |
| 2008-03-11 | Open-market buy | 800 | $2.56 | 55,091,244 |
| 2008-03-11 | Open-market buy | 200 | $2.55 | 55,090,444 |
| 2008-03-11 | Open-market buy | 200 | $2.53 | 55,090,244 |
| 2008-03-11 | Open-market buy | 1,000 | $2.49 | 55,090,044 |
| 2008-03-11 | Open-market buy | 200 | $2.48 | 55,089,044 |
| 2008-03-11 | Open-market buy | 2,500 | $2.43 | 55,088,844 |
| 2008-03-11 | Open-market buy | 3,100 | $2.33 | 55,086,344 |
| 2008-03-11 | Open-market buy | 3,050 | $2.32 | 55,083,244 |
| 2008-03-11 | Open-market buy | 5,200 | $2.31 | 55,080,194 |
| 2008-03-11 | Open-market buy | 200 | $2.30 | 55,074,994 |
| 2008-03-11 | Open-market buy | 18,700 | $2.29 | 55,074,794 |
| 2008-03-11 | Open-market buy | 1,000 | $2.28 | 55,056,094 |
| 2008-03-11 | Open-market buy | 4,700 | $2.27 | 55,055,094 |
| 2008-03-11 | Open-market buy | 100 | $2.26 | 55,050,394 |
| 2008-03-11 | Open-market buy | 6,700 | $2.25 | 55,050,294 |
| 2008-03-11 | Open-market buy | 200 | $2.24 | 55,043,594 |
| 2008-03-11 | Open-market buy | 3,100 | $2.22 | 55,043,394 |
| 2008-03-11 | Open-market buy | 100 | $2.21 | 55,040,294 |
| 2008-03-11 | Open-market buy | 400 | $2.57 | 55,091,644 |
| 2008-03-10 | Open-market buy | 1,000 | $2.27 | 55,040,194 |
| 2008-03-10 | Open-market buy | 2,000 | $2.28 | 55,039,194 |
| 2008-03-10 | Open-market buy | 5,000 | $2.29 | 55,037,194 |
| 2008-03-10 | Open-market buy | 2,000 | $2.31 | 55,032,194 |
| 2008-03-06 | Open-market buy | 82,748 | $2.00 | 55,030,194 |
| 2008-02-29 | Open-market buy | 188,150 | $2.25 | 54,947,446 |
| 2008-02-27 | Open-market buy | 1,000 | $2.54 | 54,750,296 |
| 2008-02-27 | Open-market buy | 3,000 | $2.55 | 54,753,296 |
| 2008-02-27 | Open-market buy | 1,000 | $2.56 | 54,754,296 |
| 2008-02-27 | Open-market buy | 3,500 | $2.60 | 54,759,296 |
| 2008-02-27 | Open-market buy | 100 | $2.59 | 54,755,796 |
| 2008-02-27 | Open-market buy | 200 | $2.58 | 54,755,696 |
| 2008-02-27 | Open-market buy | 1,200 | $2.57 | 54,755,496 |
| 2008-02-26 | Open-market buy | 7,700 | $2.64 | 54,749,296 |
| 2008-02-26 | Open-market buy | 700 | $2.63 | 54,741,596 |
| 2008-02-26 | Open-market buy | 1,600 | $2.61 | 54,740,896 |
| 2008-02-21 | Open-market buy | 4,000 | $2.63 | 54,739,296 |
| 2008-02-21 | Open-market buy | 1,000 | $2.61 | 54,735,296 |
| 2008-02-20 | Open-market buy | 200 | $2.54 | 54,731,996 |
| 2008-02-20 | Open-market buy | 800 | $2.57 | 54,732,796 |
| 2008-02-20 | Open-market buy | 800 | $2.58 | 54,733,596 |
| 2008-02-20 | Open-market buy | 4,800 | $2.53 | 54,731,796 |
| 2008-02-20 | Open-market buy | 200 | $2.52 | 54,726,996 |
| 2008-02-20 | Open-market buy | 3,800 | $2.60 | 54,726,796 |
| 2008-02-20 | Open-market buy | 500 | $2.59 | 54,722,996 |
| 2008-02-20 | Open-market buy | 2,900 | $2.58 | 54,722,496 |
| 2008-02-20 | Open-market buy | 700 | $2.54 | 54,719,596 |
| 2008-02-20 | Open-market buy | 2,600 | $2.52 | 54,718,896 |
| 2008-02-20 | Open-market buy | 2,000 | $2.51 | 54,716,296 |
| 2008-02-20 | Open-market buy | 700 | $2.60 | 54,734,296 |
| 2008-02-13 | Open-market buy | 3,814,000 | $1.80 | 54,714,296 |
| 2008-02-11 | Open-market buy | 2,948,139 | $1.80 | 50,900,296 |
| 2008-02-08 | Open-market buy | 100 | $2.84 | 47,951,957 |
| 2008-02-08 | Open-market buy | 2,700 | $2.82 | 47,951,857 |
| 2008-02-08 | Open-market buy | 200 | $2.85 | 47,952,157 |
| 2008-02-07 | Open-market buy | 400 | $2.84 | 47,944,957 |
| 2008-02-07 | Open-market buy | 400 | $2.83 | 47,944,557 |
| 2008-02-07 | Open-market buy | 4,200 | $2.85 | 47,949,157 |
| 2008-02-05 | Open-market buy | 2,900 | $2.88 | 47,939,557 |
| 2008-02-05 | Open-market buy | 2,800 | $2.90 | 47,943,557 |
| 2008-02-05 | Open-market buy | 1,200 | $2.89 | 47,940,757 |
| 2008-02-05 | Open-market buy | 600 | $2.93 | 47,944,157 |
| 2008-02-05 | Open-market buy | 2,100 | $2.87 | 47,936,657 |
| 2008-02-05 | Open-market buy | 400 | $2.86 | 47,934,557 |
| 2008-02-01 | Open-market buy | 4,800 | $2.84 | 47,932,857 |
| 2008-02-01 | Open-market buy | 1,300 | $2.85 | 47,934,157 |
| 2008-02-01 | Open-market buy | 3,000 | $2.83 | 47,928,057 |
| 2008-02-01 | Open-market buy | 900 | $2.80 | 47,925,057 |
| 2008-01-31 | Open-market buy | 2,400 | $2.79 | 47,916,957 |
| 2008-01-31 | Open-market buy | 400 | $2.78 | 47,914,557 |
| 2008-01-31 | Open-market buy | 5,500 | $2.80 | 47,922,457 |
| 2008-01-31 | Open-market buy | 100 | $2.84 | 47,924,157 |
| 2008-01-31 | Open-market buy | 1,600 | $2.82 | 47,924,057 |
| 2008-01-28 | Open-market buy | 800 | $2.89 | 47,914,157 |
| 2008-01-28 | Open-market buy | 100 | $2.87 | 47,913,357 |
| 2008-01-28 | Open-market buy | 5,000 | $2.86 | 47,913,257 |
| 2008-01-28 | Open-market buy | 1,700 | $2.85 | 47,908,257 |
| 2008-01-28 | Open-market buy | 500 | $2.84 | 47,906,557 |
| 2008-01-28 | Open-market buy | 1,800 | $2.83 | 47,906,057 |
| 2008-01-28 | Open-market buy | 100 | $2.81 | 47,904,257 |
| 2008-01-02 | Open-market buy | 1,800 | $2.89 | 47,904,157 |
| 2008-01-02 | Open-market buy | 1,100 | $2.87 | 47,902,357 |
| 2008-01-02 | Open-market buy | 1,000 | $2.83 | 47,901,257 |
| 2008-01-02 | Open-market buy | 100 | $2.82 | 47,900,257 |
| 2008-01-02 | Open-market buy | 1,000 | $2.79 | 47,900,157 |
| 2008-01-02 | Open-market buy | 3,000 | $2.75 | 47,899,157 |
| 2007-12-31 | Open-market buy | 100 | $2.77 | 47,888,457 |
| 2007-12-31 | Open-market buy | 1,200 | $2.76 | 47,888,357 |
| 2007-12-31 | Open-market buy | 1,000 | $2.75 | 47,887,157 |
| 2007-12-31 | Open-market buy | 1,500 | $2.85 | 47,896,157 |
| 2007-12-31 | Open-market buy | 900 | $2.82 | 47,894,657 |
| 2007-12-31 | Open-market buy | 1,500 | $2.81 | 47,893,757 |
| 2007-12-31 | Open-market buy | 1,500 | $2.80 | 47,892,257 |
| 2007-12-31 | Open-market buy | 2,300 | $2.78 | 47,890,757 |
| 2007-12-27 | Open-market buy | 2,500 | $3.00 | 47,886,157 |
| 2007-12-27 | Open-market buy | 500 | $2.99 | 47,883,657 |
| 2007-12-26 | Open-market buy | 2,800 | $3.10 | 47,883,157 |
| 2007-12-26 | Open-market buy | 400 | $3.09 | 47,880,357 |
| 2007-12-26 | Open-market buy | 1,800 | $3.06 | 47,879,957 |
| 2007-12-18 | Open-market buy | 100 | $2.99 | 47,869,157 |
| 2007-12-18 | Open-market buy | 900 | $2.97 | 47,869,057 |
| 2007-12-18 | Open-market buy | 5,400 | $3.00 | 47,874,557 |
| 2007-12-18 | Open-market buy | 1,200 | $3.02 | 47,875,757 |
| 2007-12-18 | Open-market buy | 400 | $3.03 | 47,876,157 |
| 2007-12-18 | Open-market buy | 300 | $3.04 | 47,876,457 |
| 2007-12-18 | Open-market buy | 1,700 | $3.05 | 47,878,157 |
| 2007-12-14 | Open-market buy | 1,000 | $3.15 | 47,868,157 |
| 2007-12-14 | Open-market buy | 100 | $3.07 | 47,867,157 |
| 2007-12-14 | Open-market buy | 100 | $3.06 | 47,867,057 |
| 2007-12-14 | Open-market buy | 100 | $3.10 | 47,866,957 |
| 2007-12-14 | Open-market buy | 100 | $3.14 | 47,866,857 |
| 2007-12-14 | Open-market buy | 400 | $3.34 | 47,866,757 |
| 2007-12-14 | Open-market buy | 2,500 | $3.33 | 47,866,357 |
| 2007-12-14 | Open-market buy | 1,000 | $3.31 | 47,863,857 |
| 2007-12-14 | Open-market buy | 1,400 | $3.30 | 47,862,857 |
| 2007-12-14 | Open-market buy | 900 | $3.29 | 47,861,457 |
| 2007-12-14 | Open-market buy | 500 | $3.28 | 47,860,557 |
| 2007-12-13 | Open-market buy | 2,500 | $3.13 | 47,849,257 |
| 2007-12-13 | Open-market buy | 1,700 | $3.15 | 47,850,957 |
| 2007-12-13 | Open-market buy | 2,400 | $3.16 | 47,853,357 |
| 2007-12-13 | Open-market buy | 1,700 | $3.27 | 47,860,057 |
| 2007-12-13 | Open-market buy | 300 | $3.25 | 47,858,357 |
| 2007-12-13 | Open-market buy | 1,300 | $3.22 | 47,858,057 |
| 2007-12-13 | Open-market buy | 3,400 | $3.17 | 47,856,757 |
| 2007-12-07 | Open-market buy | 500 | $3.32 | 47,846,757 |
| 2007-12-07 | Open-market buy | 1,100 | $3.22 | 47,842,857 |
| 2007-12-07 | Open-market buy | 2,400 | $3.23 | 47,845,257 |
| 2007-12-07 | Open-market buy | 1,000 | $3.25 | 47,846,257 |
| 2007-12-06 | Open-market buy | 4,000 | $3.22 | 47,835,757 |
| 2007-12-06 | Open-market buy | 6,000 | $3.25 | 47,841,757 |
| 2007-12-05 | Open-market buy | 200 | $2.99 | 47,805,557 |
| 2007-12-05 | Open-market buy | 16,900 | $3.00 | 47,822,457 |
| 2007-12-05 | Open-market buy | 2,000 | $2.96 | 47,805,357 |
| 2007-12-05 | Open-market buy | 1,000 | $2.95 | 47,803,357 |
| 2007-12-05 | Open-market buy | 1,200 | $2.86 | 47,802,357 |
| 2007-12-05 | Open-market buy | 3,000 | $3.01 | 47,825,457 |
| 2007-12-05 | Open-market buy | 4,200 | $3.02 | 47,829,657 |
| 2007-12-05 | Open-market buy | 1,600 | $3.03 | 47,831,257 |
| 2007-12-05 | Open-market buy | 500 | $3.04 | 47,831,757 |
| 2007-12-04 | Open-market buy | 6,766,304 | $1.84 | 47,801,157 |
| 2007-11-16 | Open-market buy | 100 | $3.69 | 41,028,653 |
| 2007-11-16 | Open-market buy | 1,100 | $3.73 | 41,034,253 |
| 2007-11-16 | Open-market buy | 3,900 | $3.72 | 41,033,153 |
| 2007-11-16 | Open-market buy | 600 | $3.70 | 41,029,253 |
| 2007-11-16 | Open-market buy | 600 | $3.74 | 41,034,853 |
| 2007-11-16 | Open-market buy | 1,300 | $3.68 | 41,028,553 |
| 2007-11-16 | Open-market buy | 2,300 | $3.67 | 41,027,253 |
| 2007-11-16 | Open-market buy | 100 | $3.66 | 41,024,953 |
| 2007-11-13 | Open-market buy | 1,600 | $3.78 | 41,023,853 |
| 2007-11-13 | Open-market buy | 8,900 | $3.75 | 41,022,253 |
| 2007-11-13 | Open-market buy | 100 | $3.73 | 41,013,353 |
| 2007-11-13 | Open-market buy | 500 | $3.72 | 41,013,253 |
| 2007-11-13 | Open-market buy | 1,100 | $3.70 | 41,012,753 |
| 2007-11-13 | Open-market buy | 100 | $3.69 | 41,011,653 |
| 2007-11-13 | Open-market buy | 200 | $3.68 | 41,011,553 |
| 2007-11-13 | Open-market buy | 1,500 | $3.65 | 41,011,353 |
| 2007-11-13 | Open-market buy | 2,000 | $3.62 | 41,009,853 |
| 2007-11-13 | Open-market buy | 3,000 | $3.61 | 41,007,853 |
| 2007-11-13 | Open-market buy | 1,000 | $3.85 | 41,024,853 |
| 2007-11-12 | Open-market buy | 500 | $3.73 | 40,989,453 |
| 2007-11-12 | Open-market buy | 1,800 | $3.69 | 41,004,853 |
| 2007-11-12 | Open-market buy | 1,600 | $3.70 | 41,003,053 |
| 2007-11-12 | Open-market buy | 6,600 | $3.71 | 41,001,453 |
| 2007-11-12 | Open-market buy | 5,400 | $3.72 | 40,994,853 |
| 2007-11-12 | Open-market buy | 4,100 | $3.75 | 40,988,953 |
| 2007-11-08 | Open-market buy | 5,000 | $4.00 | 40,984,853 |
| 2007-10-16 | Open-market buy | 400 | $4.15 | 40,979,253 |
| 2007-10-16 | Open-market buy | 600 | $4.17 | 40,979,853 |
| 2007-10-12 | Open-market buy | 1,900 | $4.20 | 40,977,753 |
| 2007-10-12 | Open-market buy | 1,000 | $4.19 | 40,975,853 |
| 2007-10-12 | Open-market buy | 1,000 | $4.17 | 40,974,853 |
| 2007-10-12 | Open-market buy | 1,100 | $4.21 | 40,978,853 |
| 2007-10-11 | Open-market buy | 700 | $4.13 | 40,969,553 |
| 2007-10-11 | Open-market buy | 11,000 | $4.25 | 40,963,853 |
| 2007-10-11 | Open-market buy | 1,900 | $4.15 | 40,973,853 |
| 2007-10-11 | Open-market buy | 2,400 | $4.14 | 40,971,953 |
| 2007-10-11 | Open-market buy | 2,100 | $4.33 | 40,968,853 |
| 2007-10-11 | Open-market buy | 100 | $4.28 | 40,966,753 |
| 2007-10-11 | Open-market buy | 2,800 | $4.26 | 40,966,653 |
| 2007-10-10 | Open-market buy | 1,000 | $3.97 | 40,948,853 |
| 2007-10-10 | Open-market buy | 2,500 | $4.00 | 40,951,353 |
| 2007-10-10 | Open-market buy | 1,500 | $4.02 | 40,952,853 |
| 2007-10-08 | Open-market buy | 4,500 | $4.00 | 40,944,353 |
| 2007-10-08 | Open-market buy | 2,000 | $4.03 | 40,946,353 |
| 2007-10-08 | Open-market buy | 1,500 | $4.05 | 40,947,853 |
| 2007-10-04 | Open-market buy | 2,800 | $3.99 | 40,937,653 |
| 2007-10-04 | Open-market buy | 100 | $4.00 | 40,937,753 |
| 2007-10-04 | Open-market buy | 2,100 | $4.01 | 40,939,853 |
| 2007-10-03 | Open-market buy | 500 | $4.02 | 40,930,153 |
| 2007-10-03 | Open-market buy | 300 | $4.03 | 40,930,453 |
| 2007-10-03 | Open-market buy | 2,900 | $4.04 | 40,933,353 |
| 2007-10-03 | Open-market buy | 1,500 | $3.99 | 40,934,853 |
| 2007-10-03 | Open-market buy | 1,300 | $4.00 | 40,929,653 |
| 2007-10-02 | Open-market buy | 5,500 | $4.00 | 40,925,853 |
| 2007-10-02 | Open-market buy | 2,200 | $4.01 | 40,928,053 |
| 2007-10-02 | Open-market buy | 300 | $4.03 | 40,928,353 |
| 2007-10-02 | Open-market buy | 900 | $3.99 | 40,920,353 |
| 2007-10-02 | Open-market buy | 1,000 | $3.98 | 40,919,453 |
| 2007-10-02 | Open-market buy | 100 | $3.97 | 40,918,453 |
| 2007-10-01 | Open-market buy | 1,000 | $4.08 | 40,918,353 |
| 2007-10-01 | Open-market buy | 1,000 | $4.05 | 40,917,353 |
| 2007-10-01 | Open-market buy | 700 | $4.03 | 40,916,353 |
| 2007-10-01 | Open-market buy | 200 | $4.02 | 40,915,653 |
| 2007-10-01 | Open-market buy | 2,100 | $4.00 | 40,915,453 |
| 2007-09-28 | Open-market buy | 900 | $4.00 | 40,908,253 |
| 2007-09-28 | Open-market buy | 1,000 | $4.01 | 40,909,253 |
| 2007-09-28 | Open-market buy | 1,100 | $4.03 | 40,910,353 |
| 2007-09-28 | Open-market buy | 2,000 | $4.04 | 40,912,353 |
| 2007-09-28 | Open-market buy | 1,000 | $4.04 | 40,913,353 |
| 2007-09-25 | Open-market buy | 2,200 | $4.10 | 40,901,853 |
| 2007-09-25 | Open-market buy | 500 | $4.09 | 40,899,653 |
| 2007-09-25 | Open-market buy | 100 | $4.08 | 40,899,153 |
| 2007-09-25 | Open-market buy | 1,700 | $4.05 | 40,899,053 |
| 2007-09-25 | Open-market buy | 500 | $4.12 | 40,902,353 |
| 2007-09-25 | Open-market buy | 2,913 | $4.14 | 40,907,353 |
| 2007-09-25 | Open-market buy | 2,087 | $4.13 | 40,904,440 |
| 2007-09-21 | Open-market buy | 1,000 | $4.07 | 40,896,703 |
| 2007-09-21 | Open-market buy | 650 | $4.06 | 40,897,353 |
| 2007-09-21 | Open-market buy | 4,350 | $4.08 | 40,895,703 |
| 2007-09-21 | Open-market buy | 1,900 | $4.09 | 40,891,353 |
| 2007-09-21 | Open-market buy | 1,100 | $4.10 | 40,889,453 |
| 2007-09-21 | Open-market buy | 1,000 | $4.11 | 40,888,353 |
| 2007-09-18 | Open-market buy | 4,570 | $4.03 | 40,887,353 |
| 2007-09-17 | Open-market buy | 800 | $3.98 | 40,870,983 |
| 2007-09-17 | Open-market buy | 100 | $3.94 | 40,870,183 |
| 2007-09-17 | Open-market buy | 1,100 | $4.00 | 40,872,083 |
| 2007-09-17 | Open-market buy | 1,100 | $4.03 | 40,882,783 |
| 2007-09-17 | Open-market buy | 7,100 | $4.01 | 40,879,183 |
| 2007-09-17 | Open-market buy | 2,500 | $4.02 | 40,881,683 |
| 2007-09-13 | Open-market buy | 5,100 | $4.10 | 40,869,183 |
| 2007-09-13 | Open-market buy | 800 | $4.08 | 40,869,983 |
| 2007-09-13 | Open-market buy | 100 | $4.07 | 40,870,083 |
| 2007-09-12 | Open-market buy | 1,000 | $4.00 | 40,863,083 |
| 2007-09-12 | Open-market buy | 1,000 | $4.02 | 40,864,083 |
| 2007-09-11 | Open-market buy | 1,800 | $3.99 | 40,848,083 |
| 2007-09-11 | Open-market buy | 2,000 | $3.98 | 40,846,283 |
| 2007-09-11 | Open-market buy | 200 | $3.97 | 40,844,283 |
| 2007-09-11 | Open-market buy | 14,000 | $4.00 | 40,862,083 |
| 2007-09-10 | Open-market buy | 1,900 | $4.06 | 40,844,083 |
| 2007-09-10 | Open-market buy | 3,100 | $4.05 | 40,842,183 |
| 2007-09-07 | Open-market buy | 100 | $4.00 | 40,829,983 |
| 2007-09-07 | Open-market buy | 500 | $3.97 | 40,829,883 |
| 2007-09-07 | Open-market buy | 500 | $3.96 | 40,829,383 |
| 2007-09-07 | Open-market buy | 500 | $3.92 | 40,828,883 |
| 2007-09-07 | Open-market buy | 400 | $3.90 | 40,828,383 |
| 2007-09-07 | Open-market buy | 1,500 | $3.89 | 40,827,983 |
| 2007-09-07 | Open-market buy | 100 | $3.88 | 40,826,483 |
| 2007-09-07 | Open-market buy | 1,000 | $3.87 | 40,826,383 |
| 2007-09-07 | Open-market buy | 500 | $3.85 | 40,825,383 |
| 2007-09-07 | Open-market buy | 1,300 | $3.80 | 40,824,883 |
| 2007-09-07 | Open-market buy | 200 | $3.79 | 40,823,583 |
| 2007-09-07 | Open-market buy | 1,900 | $4.10 | 40,839,083 |
| 2007-09-07 | Open-market buy | 100 | $4.02 | 40,830,038 |
| 2007-09-07 | Open-market buy | 1,000 | $4.04 | 40,831,083 |
| 2007-09-07 | Open-market buy | 3,200 | $4.06 | 40,834,283 |
| 2007-09-07 | Open-market buy | 1,000 | $4.09 | 40,837,183 |
| 2007-09-07 | Open-market buy | 1,900 | $4.07 | 40,836,183 |
| 2007-09-06 | Open-market buy | 600 | $4.18 | 40,823,383 |
| 2007-09-06 | Open-market buy | 1,500 | $4.17 | 40,822,783 |
| 2007-09-06 | Open-market buy | 1,000 | $4.16 | 40,821,283 |
| 2007-09-06 | Open-market buy | 1,900 | $4.15 | 40,820,283 |
| 2007-09-05 | Open-market buy | 1,500 | $4.13 | 40,816,883 |
| 2007-09-05 | Open-market buy | 900 | $4.12 | 40,815,383 |
| 2007-09-05 | Open-market buy | 300 | $4.11 | 40,814,483 |
| 2007-09-05 | Open-market buy | 800 | $4.10 | 40,814,183 |
| 2007-09-05 | Open-market buy | 1,500 | $4.14 | 40,818,383 |
| 2007-09-04 | Open-market buy | 500 | $4.10 | 40,810,983 |
| 2007-09-04 | Open-market buy | 500 | $4.16 | 40,813,383 |
| 2007-09-04 | Open-market buy | 600 | $4.13 | 40,812,883 |
| 2007-09-04 | Open-market buy | 1,100 | $4.12 | 40,812,283 |
| 2007-09-04 | Open-market buy | 200 | $4.11 | 40,811,183 |
| 2007-09-04 | Open-market buy | 1,000 | $4.06 | 40,810,483 |
| 2007-09-04 | Open-market buy | 100 | $4.05 | 40,809,483 |
| 2007-08-31 | Open-market buy | 500 | $4.01 | 40,804,883 |
| 2007-08-31 | Open-market buy | 700 | $4.05 | 40,805,583 |
| 2007-08-31 | Open-market buy | 3,800 | $4.07 | 40,809,383 |
| 2007-08-30 | Open-market buy | 100 | $4.18 | 40,803,483 |
| 2007-08-30 | Open-market buy | 2,300 | $4.16 | 40,803,383 |
| 2007-08-30 | Open-market buy | 1,700 | $4.15 | 40,801,083 |
| 2007-08-30 | Open-market buy | 1,400 | $4.10 | 40,799,383 |
| 2007-08-30 | Open-market buy | 1,100 | $4.08 | 40,797,983 |
| 2007-08-30 | Open-market buy | 2,500 | $4.05 | 40,796,883 |
| 2007-08-30 | Open-market buy | 900 | $4.19 | 40,804,383 |
| 2007-08-29 | Open-market buy | 2,500 | $4.11 | 40,788,383 |
| 2007-08-29 | Open-market buy | 700 | $4.16 | 40,794,383 |
| 2007-08-29 | Open-market buy | 3,100 | $4.15 | 40,793,683 |
| 2007-08-29 | Open-market buy | 1,400 | $4.14 | 40,790,583 |
| 2007-08-29 | Open-market buy | 800 | $4.13 | 40,789,183 |
| 2007-08-29 | Open-market buy | 1,500 | $4.10 | 40,785,883 |
| 2007-08-28 | Open-market buy | 600 | $4.00 | 40,774,983 |
| 2007-08-28 | Open-market buy | 1,900 | $4.05 | 40,776,883 |
| 2007-08-28 | Open-market buy | 2,000 | $4.07 | 40,778,883 |
| 2007-08-28 | Open-market buy | 2,000 | $4.13 | 40,780,883 |
| 2007-08-28 | Open-market buy | 1,500 | $4.24 | 40,784,383 |
| 2007-08-28 | Open-market buy | 2,000 | $4.19 | 40,782,883 |
| 2007-08-17 | Open-market buy | 1,000 | $3.84 | 40,760,383 |
| 2007-08-17 | Open-market buy | 2,000 | $3.85 | 40,762,383 |
| 2007-08-17 | Open-market buy | 1,000 | $3.87 | 40,763,383 |
| 2007-08-17 | Open-market buy | 2,600 | $3.89 | 40,765,983 |
| 2007-08-17 | Open-market buy | 5,400 | $3.90 | 40,771,383 |
| 2007-08-17 | Open-market buy | 1,000 | $3.95 | 40,772,383 |
| 2007-08-17 | Open-market buy | 2,000 | $4.00 | 40,774,383 |
| 2007-08-16 | Open-market buy | 400 | $3.62 | 40,750,783 |
| 2007-08-16 | Open-market buy | 1,000 | $3.65 | 40,751,783 |
| 2007-08-16 | Open-market buy | 200 | $3.66 | 40,751,983 |
| 2007-08-16 | Open-market buy | 2,500 | $3.67 | 40,754,483 |
| 2007-08-16 | Open-market buy | 500 | $3.75 | 40,754,983 |
| 2007-08-16 | Open-market buy | 400 | $3.80 | 40,755,383 |
| 2007-08-16 | Open-market buy | 300 | $3.87 | 40,755,683 |
| 2007-08-16 | Open-market buy | 900 | $3.70 | 40,756,583 |
| 2007-08-16 | Open-market buy | 300 | $3.69 | 40,756,883 |
| 2007-08-16 | Open-market buy | 500 | $3.67 | 40,757,383 |
| 2007-08-16 | Open-market buy | 2,000 | $3.66 | 40,759,383 |
| 2007-08-15 | Open-market buy | 500 | $3.93 | 40,750,383 |
| 2007-08-15 | Open-market buy | 2,500 | $3.90 | 40,749,883 |
| 2007-08-15 | Open-market buy | 1,500 | $3.89 | 40,747,383 |
| 2007-08-15 | Open-market buy | 2,000 | $3.86 | 40,745,883 |
| 2007-08-15 | Open-market buy | 500 | $3.85 | 40,743,883 |
| 2007-08-15 | Open-market buy | 1,000 | $3.81 | 40,743,383 |
| 2007-08-15 | Open-market buy | 3,200 | $3.80 | 40,742,383 |
| 2007-08-15 | Open-market buy | 3,800 | $3.77 | 40,739,183 |
| 2007-08-14 | Open-market buy | 2,500 | $3.99 | 40,735,383 |
| 2007-08-14 | Open-market buy | 2,400 | $3.98 | 40,732,883 |
| 2007-08-14 | Open-market buy | 1,500 | $3.97 | 40,730,483 |
| 2007-08-14 | Open-market buy | 3,400 | $3.95 | 40,728,983 |
| 2007-08-14 | Open-market buy | 100 | $3.93 | 40,725,583 |
| 2007-08-14 | Open-market buy | 100 | $3.92 | 40,725,483 |
| 2007-08-13 | Open-market buy | 3,900 | $3.95 | 40,723,383 |
| 2007-08-13 | Open-market buy | 1,800 | $3.97 | 40,725,383 |
| 2007-08-13 | Open-market buy | 200 | $3.96 | 40,723,583 |
| 2007-08-13 | Open-market buy | 1,600 | $3.91 | 40,716,983 |
| 2007-08-13 | Open-market buy | 2,500 | $3.94 | 40,719,483 |
| 2007-08-10 | Open-market buy | 4,900 | $3.90 | 40,707,283 |
| 2007-08-10 | Open-market buy | 400 | $3.92 | 40,707,683 |
| 2007-08-10 | Open-market buy | 200 | $3.95 | 40,707,883 |
| 2007-08-10 | Open-market buy | 2,500 | $3.97 | 40,710,383 |
| 2007-08-10 | Open-market buy | 3,000 | $3.96 | 40,715,383 |
| 2007-08-10 | Open-market buy | 2,000 | $3.98 | 40,712,383 |
| 2007-08-09 | Open-market buy | 2,300 | $3.98 | 40,694,683 |
| 2007-08-09 | Open-market buy | 500 | $3.99 | 40,695,183 |
| 2007-08-09 | Open-market buy | 7,200 | $4.00 | 40,702,383 |
| 2007-08-08 | Open-market buy | 100 | $3.99 | 40,682,483 |
| 2007-08-08 | Open-market buy | 3,200 | $4.00 | 40,685,683 |
| 2007-08-08 | Open-market buy | 2,500 | $4.05 | 40,688,183 |
| 2007-08-08 | Open-market buy | 400 | $4.08 | 40,688,583 |
| 2007-08-08 | Open-market buy | 700 | $4.09 | 40,689,283 |
| 2007-08-08 | Open-market buy | 3,100 | $4.10 | 40,692,383 |
| 2007-08-07 | Open-market buy | 591 | $4.11 | 40,681,774 |
| 2007-08-07 | Open-market buy | 2,700 | $4.05 | 40,681,183 |
| 2007-08-07 | Open-market buy | 1,100 | $4.02 | 40,678,483 |
| 2007-08-07 | Open-market buy | 2,500 | $4.00 | 40,677,383 |
| 2007-08-07 | Open-market buy | 2,500 | $3.99 | 40,674,883 |
| 2007-08-07 | Open-market buy | 609 | $4.09 | 40,682,383 |
| 2007-08-06 | Open-market buy | 4,600 | $3.95 | 40,672,383 |
| 2007-08-06 | Open-market buy | 1,000 | $3.92 | 40,667,783 |
| 2007-08-06 | Open-market buy | 5,200 | $3.90 | 40,666,783 |
| 2007-08-06 | Open-market buy | 5,300 | $3.89 | 40,661,583 |
| 2007-08-06 | Open-market buy | 1,900 | $3.86 | 40,656,283 |
| 2007-08-06 | Open-market buy | 4,600 | $3.80 | 40,654,383 |
| 2007-08-06 | Open-market buy | 2,000 | $3.76 | 40,649,783 |
| 2007-08-06 | Open-market buy | 1,500 | $3.75 | 40,647,783 |
| 2007-08-06 | Open-market buy | 4,000 | $3.71 | 40,646,283 |
| 2007-08-06 | Open-market buy | 1,000 | $3.70 | 40,642,283 |
| 2007-08-06 | Open-market buy | 2,000 | $3.69 | 40,641,283 |
| 2007-08-06 | Open-market buy | 1,900 | $3.68 | 40,639,283 |
| 2007-08-03 | Open-market buy | 700 | $4.08 | 40,635,883 |
| 2007-08-03 | Open-market buy | 500 | $4.10 | 40,637,383 |
| 2007-08-03 | Open-market buy | 1,500 | $3.95 | 40,618,883 |
| 2007-08-03 | Open-market buy | 1,900 | $3.98 | 40,620,783 |
| 2007-08-03 | Open-market buy | 2,000 | $3.99 | 40,622,783 |
| 2007-08-03 | Open-market buy | 11,100 | $4.00 | 40,633,883 |
| 2007-08-03 | Open-market buy | 300 | $4.03 | 40,634,183 |
| 2007-08-03 | Open-market buy | 100 | $4.04 | 40,634,283 |
| 2007-08-03 | Open-market buy | 900 | $4.05 | 40,635,183 |
| 2007-08-03 | Open-market buy | 1,000 | $4.09 | 40,636,883 |
| 2007-07-20 | Open-market buy | 15,000 | $4.00 | 40,615,783 |
| 2007-07-20 | Open-market buy | 10,600 | $3.95 | 40,599,783 |
| 2007-07-20 | Open-market buy | 1,000 | $3.94 | 40,600,783 |
| 2007-07-20 | Open-market buy | 200 | $3.99 | 40,615,983 |
| 2007-07-20 | Open-market buy | 1,400 | $3.97 | 40,617,383 |
| 2007-07-13 | Open-market buy | 3,000 | $3.88 | 40,589,183 |
| 2007-07-13 | Open-market buy | 4,300 | $3.87 | 40,586,183 |
| 2007-07-13 | Open-market buy | 300 | $3.81 | 40,581,883 |
| 2007-07-13 | Open-market buy | 4,034,460 | $1.80 | 40,581,583 |
| 2007-07-12 | Open-market buy | 25,700 | $3.70 | 36,547,123 |
| 2007-07-12 | Open-market buy | 2,500 | $3.69 | 36,521,423 |
| 2007-05-03 | Grant / award (derivative) | 1,000,000 | $0.00 | 1,000,000 |
| 2007-03-27 | Grant / award (derivative) | 81,085 | — | 81,085 |
| 2007-03-27 | Grant / award (derivative) | 6,487 | — | 6,487 |
| 2007-03-27 | Grant / award (derivative) | 4,000,000 | — | 4,000,000 |
| 2007-03-27 | Grant / award (derivative) | 3,080,530 | — | 3,080,530 |
| 2007-03-27 | Grant / award (derivative) | 3,080,529 | — | 3,080,529 |
| 2007-03-27 | Grant / award (derivative) | 22,125 | — | 22,125 |
| 2007-03-27 | Grant / award (derivative) | 22,124 | — | 22,124 |
| 2007-03-27 | Grant / award | 36,518,923 | — | 36,518,923 |
| 2007-02-09 | — | — | — | 12,697,290 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.