SEC CIK 1299403
Chao Albert
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| WLKview stock → | 642,880 | 2026-08-11 |
Position History — WLK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — WLK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-11 | Option exercise (derivative) | 38,873 | $0.00 | 38,873 |
| 2026-08-11 | Open-market sale | 31,384 | $80.42 | 642,880 |
| 2026-08-11 | Open-market sale | 7,489 | $79.70 | 674,264 |
| 2026-08-11 | Option exercise | 38,873 | $61.87 | 681,753 |
| 2026-02-20 | Grant / award (derivative) | 14,945 | $0.00 | 14,945 |
| 2026-02-20 | Grant / award (derivative) | 54,763 | $0.00 | 54,763 |
| 2026-02-20 | Tax withholding | 2,501 | $94.10 | 642,880 |
| 2026-02-19 | Grant / award | 6,193 | $0.00 | 645,381 |
| 2026-02-18 | Tax withholding | 5,089 | $98.95 | 639,188 |
| 2026-02-17 | Option exercise (derivative) | 16,555 | $0.00 | 0 |
| 2026-02-17 | Option exercise | 16,555 | $0.00 | 644,277 |
| 2025-12-22 | Option exercise (derivative) | 81,673 | $0.00 | 0 |
| 2025-12-22 | Open-market sale | 30,604 | $73.80 | 628,243 |
| 2025-12-22 | Option exercise | 81,673 | $44.42 | 668,558 |
| 2025-12-22 | Open-market sale | 9,711 | $72.82 | 658,847 |
| 2025-12-22 | Open-market sale | 521 | $74.44 | 627,722 |
| 2025-02-21 | Grant / award (derivative) | 12,322 | $0.00 | 12,322 |
| 2025-02-21 | Grant / award (derivative) | 37,172 | $0.00 | 37,172 |
| 2025-02-21 | Tax withholding | 13,390 | $110.54 | 586,885 |
| 2025-02-20 | Grant / award | 33,456 | $0.00 | 600,275 |
| 2025-02-19 | Tax withholding | 249 | $112.73 | 566,819 |
| 2025-02-19 | Tax withholding | 5,820 | $111.46 | 567,068 |
| 2025-02-18 | Option exercise (derivative) | 17,972 | $0.00 | 0 |
| 2025-02-18 | Option exercise | 17,972 | $0.00 | 572,888 |
| 2024-08-16 | Option exercise (derivative) | 45,298 | $0.00 | 0 |
| 2024-08-16 | Option exercise | 45,298 | $68.09 | 600,214 |
| 2024-08-16 | Disposition to issuer | 7 | $147.04 | 554,916 |
| 2024-08-16 | Disposition to issuer | 45,291 | $146.61 | 554,923 |
| 2024-02-20 | Tax withholding | 22,561 | $129.92 | 557,135 |
| 2024-02-20 | Tax withholding | 12 | $135.43 | 557,123 |
| 2024-02-20 | Tax withholding | 2,207 | $137.37 | 554,916 |
| 2024-02-19 | Option exercise (derivative) | 19,810 | $0.00 | 0 |
| 2024-02-19 | Option exercise | 19,810 | $0.00 | 579,696 |
| 2024-02-16 | Grant / award (derivative) | 44,324 | $0.00 | 44,324 |
| 2024-02-16 | Grant / award (derivative) | 16,010 | $0.00 | 16,010 |
| 2024-02-16 | Grant / award | 39,738 | $0.00 | 559,886 |
| 2023-08-31 | Option exercise (derivative) | 19,988 | $0.00 | 0 |
| 2023-08-31 | Disposition to issuer | 8,397 | $131.94 | 520,465 |
| 2023-08-31 | Disposition to issuer | 317 | $132.67 | 520,148 |
| 2023-08-31 | Disposition to issuer | 11,274 | $131.20 | 528,862 |
| 2023-08-31 | Option exercise | 19,988 | $63.98 | 540,136 |
| 2023-08-30 | Option exercise (derivative) | 20,000 | $0.00 | 19,988 |
| 2023-08-30 | Disposition to issuer | 2,315 | $134.60 | 520.15 |
| 2023-08-30 | Disposition to issuer | 17,685 | $134.09 | 522,463 |
| 2023-08-30 | Option exercise | 20,000 | $63.98 | 540,148 |
| 2023-03-13 | Tax withholding | 20,867 | $104.32 | 521,257 |
| 2023-03-13 | Tax withholding | 1,109 | $104.70 | 520,148 |
| 2023-02-17 | Grant / award | 52,252 | $0.00 | 542,124 |
| 2023-02-17 | Grant / award | 52,252 | $0.00 | 542,124 |
| 2023-02-17 | Grant / award (derivative) | 45,196 | $0.00 | 45,196 |
| 2023-02-17 | Grant / award (derivative) | 16,555 | $0.00 | 16,555 |
| 2023-02-15 | Tax withholding | 127 | $122.57 | 489,872 |
| 2023-02-15 | Tax withholding | 9,032 | $121.86 | 489,999 |
| 2023-02-14 | Option exercise (derivative) | 26,048 | $0.00 | 0 |
| 2023-02-14 | Option exercise | 26,048 | — | 499,031 |
| 2022-05-19 | Option exercise (derivative) | 37,876 | $0.00 | 0 |
| 2022-05-19 | Open-market sale | 12,016 | $131.11 | 498,843 |
| 2022-05-19 | Open-market sale | 20,815 | $130.20 | 478,028 |
| 2022-05-19 | Open-market sale | 5,045 | $129.38 | 472,983 |
| 2022-05-19 | Option exercise | 37,876 | $45.70 | 510,859 |
| 2022-03-14 | Tax withholding | 12,138 | $118.51 | 472,983 |
| 2022-02-18 | Grant / award | 30,577 | $0.00 | 485,121 |
| 2022-02-18 | Grant / award (derivative) | 56,819 | $0.00 | 56,819 |
| 2022-02-18 | Grant / award (derivative) | 17,972 | $0.00 | 17,972 |
| 2022-02-18 | Grant / award | 30,577 | $0.00 | 485,121 |
| 2022-02-16 | Tax withholding | 5,722 | $104.96 | 454,571 |
| 2022-02-16 | Tax withholding | 27 | $105.97 | 454,544 |
| 2022-02-15 | Option exercise (derivative) | 18,354 | $0.00 | 0 |
| 2022-02-15 | Option exercise | 18,354 | — | 460,293 |
| 2021-12-02 | Option exercise (derivative) | 30,787 | $0.00 | 0 |
| 2021-12-02 | Option exercise | 30,787 | $30.05 | 472,726 |
| 2021-12-02 | Open-market sale | 1,700 | $89.25 | 471,026 |
| 2021-12-02 | Open-market sale | 1,175 | $90.12 | 469,851 |
| 2021-12-02 | Open-market sale | 20,327 | $92.29 | 441,939 |
| 2021-12-02 | Open-market sale | 7,585 | $91.52 | 462,266 |
| 2021-12-01 | Option exercise (derivative) | 30,787 | $0.00 | 30,787 |
| 2021-12-01 | Open-market sale | 9,656 | $89.47 | 463,070 |
| 2021-12-01 | Option exercise | 30,787 | $30.05 | 472,726 |
| 2021-12-01 | Open-market sale | 4,200 | $92.78 | 450,028 |
| 2021-12-01 | Open-market sale | 4,300 | $93.98 | 445,728 |
| 2021-12-01 | Open-market sale | 3,000 | $90.47 | 460,070 |
| 2021-12-01 | Open-market sale | 5,842 | $91.83 | 454,228 |
| 2021-12-01 | Open-market sale | 3,789 | $94.80 | 441,939 |
| 2021-08-11 | Open-market buy | 3,000 | $86.21 | 441,939 |
| 2021-02-19 | Grant / award (derivative) | 19,810 | $0.00 | 19,810 |
| 2021-02-19 | Grant / award (derivative) | 68,074 | $0.00 | 68,074 |
| 2021-02-18 | Tax withholding | 3,685 | $85.08 | 438,939 |
| 2021-02-16 | Tax withholding | 971 | $85.73 | 430,641 |
| 2021-02-16 | Tax withholding | 10 | $87.69 | 431,612 |
| 2021-02-16 | Tax withholding | 10 | $87.69 | 431,612 |
| 2021-02-16 | Tax withholding | 971 | $85.73 | 430,641 |
| 2021-02-16 | Option exercise (derivative) | 11,983 | $0.00 | 0 |
| 2021-02-16 | Option exercise | 11,983 | — | 442,624 |
| 2021-02-14 | Option exercise (derivative) | 3,966 | $0.00 | 0 |
| 2021-02-14 | Option exercise | 3,966 | — | 431,622 |
| 2021-02-14 | Option exercise (derivative) | 3,966 | $0.00 | 0 |
| 2021-02-14 | Option exercise | 3,966 | — | 431,622 |
| 2020-11-06 | Option exercise (derivative) | 55,148 | $0.00 | 0 |
| 2020-11-06 | Open-market sale | 4,198 | $75.12 | 427,656 |
| 2020-11-06 | Open-market sale | 11,978 | $73.30 | 442,188 |
| 2020-11-06 | Open-market sale | 28,638 | $72.08 | 454,166 |
| 2020-11-06 | Option exercise | 55,148 | $22.92 | 482,804 |
| 2020-11-06 | Open-market sale | 10,334 | $74.29 | 431,854 |
| 2020-02-26 | Option exercise (derivative) | 57,800 | $0.00 | 0 |
| 2020-02-21 | Option exercise (derivative) | 68,698 | $0.00 | 57,800 |
| 2020-02-21 | Option exercise | 68,698 | $10.26 | 421,448 |
| 2020-02-21 | Open-market sale | 51,592 | $62.42 | 369,856 |
| 2020-02-21 | Option exercise | 57,800 | $10.26 | 427,656 |
| 2020-02-18 | Tax withholding | 380 | $61.26 | 352,750 |
| 2020-02-18 | Tax withholding | 5,711 | $60.50 | 353,130 |
| 2020-02-17 | Option exercise (derivative) | 19,902 | $0.00 | 0 |
| 2020-02-17 | Option exercise | 19,902 | — | 358,841 |
| 2020-02-14 | Grant / award (derivative) | 3,966 | $0.00 | 3,966 |
| 2020-02-14 | Grant / award (derivative) | 26,048 | $0.00 | 26,048 |
| 2020-02-14 | Grant / award (derivative) | 110,186 | $0.00 | 110,186 |
| 2019-02-19 | Tax withholding | 6,547 | $73.29 | 339,561 |
| 2019-02-19 | Tax withholding | 622 | $75.79 | 338,939 |
| 2019-02-18 | Option exercise (derivative) | 21,454 | $0.00 | 0 |
| 2019-02-18 | Option exercise | 21,454 | — | 346,108 |
| 2019-02-15 | Grant / award (derivative) | 69,708 | $0.00 | 69,708 |
| 2019-02-15 | Grant / award (derivative) | 18,354 | $0.00 | 18,354 |
| 2018-11-16 | Option exercise (derivative) | 30,640 | $0.00 | 0 |
| 2018-11-16 | Open-market sale | 17,389 | $71.62 | 331,774 |
| 2018-11-16 | Option exercise | 30,640 | $7.12 | 349,163 |
| 2018-11-16 | Open-market sale | 7,120 | $72.09 | 324,654 |
| 2018-11-15 | Option exercise (derivative) | 30,640 | $0.00 | 30,640 |
| 2018-11-15 | Open-market sale | 16,309 | $71.48 | 319,623 |
| 2018-11-15 | Open-market sale | 1,100 | $71.98 | 318,523 |
| 2018-11-15 | Option exercise | 30,640 | $7.12 | 343,032 |
| 2018-11-15 | Open-market sale | 7,100 | $70.43 | 335,932 |
| 2018-11-14 | Option exercise (derivative) | 30,639 | $0.00 | 61,280 |
| 2018-11-14 | Option exercise | 30,639 | $7.12 | 337,013 |
| 2018-11-14 | Open-market sale | 900 | $72.50 | 312,392 |
| 2018-11-14 | Open-market sale | 10,519 | $70.92 | 326,494 |
| 2018-11-14 | Open-market sale | 13,202 | $71.77 | 313,292 |
| 2018-11-13 | Option exercise (derivative) | 25,000 | $0.00 | 91,919 |
| 2018-11-13 | Open-market sale | 3,600 | $72.47 | 307,574 |
| 2018-11-13 | Open-market sale | 10,200 | $71.28 | 311,174 |
| 2018-11-13 | Option exercise | 25,000 | $7.12 | 321,374 |
| 2018-11-13 | Open-market sale | 1,200 | $73.20 | 306,374 |
| 2018-11-12 | Option exercise (derivative) | 38,973 | $0.00 | 116,919 |
| 2018-11-12 | Open-market sale | 6,900 | $75.10 | 296,374 |
| 2018-11-12 | Open-market sale | 18,100 | $74.30 | 303,274 |
| 2018-11-12 | Option exercise | 38,973 | $7.12 | 321,374 |
| 2018-02-21 | Tax withholding | 5,202 | $106.98 | 282,401 |
| 2018-02-20 | Option exercise (derivative) | 13,585 | $0.00 | 0 |
| 2018-02-20 | Option exercise | 13,585 | — | 287,603 |
| 2018-02-16 | Grant / award (derivative) | 44,647 | $0.00 | 44,647 |
| 2018-02-16 | Grant / award (derivative) | 11,983 | $0.00 | 11,983 |
| 2017-11-29 | Option exercise (derivative) | 16,844 | $0.00 | 0 |
| 2017-11-29 | Open-market sale | 16,844 | $95.25 | 274,018 |
| 2017-11-29 | Option exercise | 16,844 | $9.65 | 290,862 |
| 2017-11-28 | Option exercise (derivative) | 25,000 | $0.00 | 16,844 |
| 2017-11-28 | Option exercise | 25,000 | $9.65 | 299,018 |
| 2017-11-28 | Open-market sale | 1,010 | $94.85 | 274,018 |
| 2017-11-28 | Open-market sale | 23,990 | $94.55 | 275,028 |
| 2017-11-27 | Option exercise (derivative) | 25,000 | $0.00 | 41,844 |
| 2017-11-27 | Open-market sale | 2,966 | $94.25 | 274,018 |
| 2017-11-27 | Open-market sale | 22,034 | $93.92 | 276,984 |
| 2017-11-27 | Option exercise | 25,000 | $9.65 | 299,018 |
| 2017-11-24 | Option exercise (derivative) | 20,000 | $0.00 | 66,844 |
| 2017-11-24 | Open-market sale | 20,000 | $94.58 | 274,018 |
| 2017-11-24 | Option exercise | 20,000 | $9.65 | 294,018 |
| 2017-11-22 | Option exercise (derivative) | 25,000 | $0.00 | 86,844 |
| 2017-11-22 | Open-market sale | 101 | $95.60 | 274,018 |
| 2017-11-22 | Open-market sale | 24,899 | $94.89 | 274,119 |
| 2017-11-22 | Option exercise | 25,000 | $9.65 | 299,018 |
| 2017-11-21 | Option exercise (derivative) | 25,000 | $0.00 | 111,844 |
| 2017-11-21 | Option exercise | 25,000 | $9.65 | 299,018 |
| 2017-11-21 | Open-market sale | 25,000 | $94.34 | 274,018 |
| 2017-02-23 | Option exercise (derivative) | 42,180 | $0.00 | 0 |
| 2017-02-23 | Option exercise | 42,180 | $15.81 | 316,198 |
| 2017-02-23 | Open-market sale | 42,180 | $63.35 | 274,018 |
| 2017-02-17 | Grant / award (derivative) | 19,902 | $0.00 | 19,902 |
| 2017-02-17 | Grant / award (derivative) | 77,746 | $0.00 | 77,746 |
| 2017-02-15 | Tax withholding | 3,522 | $64.01 | 274,018 |
| 2017-02-14 | Option exercise (derivative) | 12,838 | $0.00 | 0 |
| 2017-02-14 | Option exercise | 12,838 | — | 277,540 |
| 2016-11-17 | Open-market sale | 9,700 | $53.82 | 300 |
| 2016-11-17 | Open-market sale | 300 | $54.57 | 0 |
| 2016-11-16 | Open-market sale | 10,000 | $54.45 | 10,000 |
| 2016-11-15 | Open-market sale | 10,000 | $53.06 | 20,000 |
| 2016-11-14 | Open-market sale | 10,000 | $52.84 | 30,000 |
| 2016-02-18 | Grant / award (derivative) | 21,454 | $0.00 | 21,454 |
| 2016-02-18 | Grant / award (derivative) | 81,673 | $0.00 | 81,673 |
| 2016-02-17 | Tax withholding | 3,931 | $43.52 | 264,702 |
| 2016-02-15 | Option exercise (derivative) | 14,246 | $0.00 | 0 |
| 2016-02-15 | Option exercise | 14,246 | — | 268,633 |
| 2015-02-20 | Grant / award (derivative) | 13,585 | $0.00 | 13,585 |
| 2015-02-20 | Grant / award (derivative) | 45,298 | $0.00 | 45,298 |
| 2015-02-18 | Tax withholding | 7,821 | $66.79 | 254,387 |
| 2014-02-19 | Tax withholding | 4,879 | $129.00 | 131,104 |
| 2014-02-19 | Tax withholding | 25 | $129.58 | 135,983 |
| 2014-02-14 | Grant / award (derivative) | 6,419 | $0.00 | 6,419 |
| 2014-02-14 | Grant / award (derivative) | 19,994 | $0.00 | 19,994 |
| 2013-02-28 | Tax withholding | 104 | $84.71 | 136,008 |
| 2013-02-28 | Tax withholding | 10,320 | $84.09 | 136,112 |
| 2013-02-15 | Grant / award (derivative) | 18,938 | $0.00 | 18,938 |
| 2013-02-15 | Grant / award (derivative) | 7,123 | $0.00 | 7,123 |
| 2012-12-07 | Open-market sale | 300 | $73.78 | 146,432 |
| 2012-12-07 | Open-market sale | 300 | $73.77 | 146,732 |
| 2012-12-07 | Open-market sale | 200 | $73.76 | 147,032 |
| 2012-12-07 | Open-market sale | 2,808 | $73.75 | 147,232 |
| 2012-12-06 | Open-market sale | 500 | $72.80 | 150,550 |
| 2012-12-06 | Open-market sale | 500 | $72.74 | 151,250 |
| 2012-12-06 | Open-market sale | 30 | $72.73 | 151,750 |
| 2012-12-06 | Open-market sale | 2,000 | $72.71 | 151,780 |
| 2012-12-06 | Open-market sale | 100 | $72.70 | 153,780 |
| 2012-12-06 | Open-market sale | 300 | $72.69 | 153,880 |
| 2012-12-06 | Open-market sale | 200 | $72.67 | 154,180 |
| 2012-12-06 | Open-market sale | 800 | $72.66 | 154,380 |
| 2012-12-06 | Open-market sale | 100 | $72.64 | 155,180 |
| 2012-12-06 | Open-market sale | 302 | $72.61 | 155,280 |
| 2012-12-06 | Open-market sale | 3,098 | $72.60 | 155,582 |
| 2012-12-06 | Open-market sale | 101 | $72.56 | 158,680 |
| 2012-12-06 | Open-market sale | 129 | $72.55 | 158,781 |
| 2012-12-06 | Open-market sale | 25,392 | $72.50 | 158,910 |
| 2012-12-06 | Open-market sale | 410 | $72.90 | 150,040 |
| 2012-12-06 | Open-market sale | 100 | $72.86 | 150,450 |
| 2012-12-06 | Open-market sale | 100 | $72.76 | 151,150 |
| 2012-12-06 | Open-market sale | 100 | $72.79 | 151,050 |
| 2012-11-26 | Option exercise (derivative) | 42,579 | $0.00 | 77,946 |
| 2012-11-26 | Option exercise (derivative) | 8,547 | $0.00 | 0 |
| 2012-11-26 | Open-market sale | 1,160 | $75.63 | 190,456 |
| 2012-11-26 | Open-market sale | 600 | $75.63 | 191,616 |
| 2012-11-26 | Open-market sale | 2,000 | $75.50 | 192,216 |
| 2012-11-26 | Open-market sale | 100 | $75.43 | 194,216 |
| 2012-11-26 | Open-market sale | 900 | $75.41 | 194,316 |
| 2012-11-26 | Open-market sale | 100 | $75.40 | 195,216 |
| 2012-11-26 | Open-market sale | 100 | $75.35 | 195,316 |
| 2012-11-26 | Open-market sale | 3,800 | $75.30 | 195,416 |
| 2012-11-26 | Open-market sale | 100 | $75.10 | 199,216 |
| 2012-11-26 | Open-market sale | 21 | $75.03 | 199,316 |
| 2012-11-26 | Open-market sale | 879 | $75.02 | 199,337 |
| 2012-11-26 | Open-market sale | 30,699 | $75.00 | 200,216 |
| 2012-11-26 | Option exercise | 42,579 | $14.24 | 230,915 |
| 2012-11-26 | Option exercise | 4,514 | $36.10 | 188,336 |
| 2012-11-26 | Option exercise | 8,547 | $27.22 | 183,822 |
| 2012-11-26 | Option exercise | 35,400 | $14.50 | 175,275 |
| 2012-11-26 | Open-market sale | 200 | $75.92 | 184,302 |
| 2012-11-26 | Open-market sale | 100 | $75.89 | 184,502 |
| 2012-11-26 | Open-market sale | 300 | $75.88 | 184,602 |
| 2012-11-26 | Open-market sale | 4,314 | $75.87 | 184,902 |
| 2012-11-26 | Open-market sale | 100 | $75.83 | 189,216 |
| 2012-11-26 | Open-market sale | 30 | $75.80 | 189,316 |
| 2012-11-26 | Open-market sale | 400 | $75.79 | 189,346 |
| 2012-11-26 | Open-market sale | 300 | $75.73 | 189,746 |
| 2012-11-26 | Open-market sale | 100 | $75.72 | 190,046 |
| 2012-11-26 | Open-market sale | 210 | $75.66 | 190,146 |
| 2012-11-26 | Open-market sale | 100 | $75.66 | 190,356 |
| 2012-11-23 | Option exercise (derivative) | 5,000 | $0.00 | 8,547 |
| 2012-11-23 | Option exercise (derivative) | 5,000 | $0.00 | 4,514 |
| 2012-11-23 | Option exercise (derivative) | 20,000 | $0.00 | 120,525 |
| 2012-11-23 | Option exercise (derivative) | 9,000 | $0.00 | 35,400 |
| 2012-11-23 | Open-market sale | 4,299 | $76.01 | 151,826 |
| 2012-11-23 | Open-market sale | 3,750 | $76.00 | 156,125 |
| 2012-11-23 | Option exercise | 20,000 | $14.24 | 159,875 |
| 2012-11-23 | Option exercise | 5,000 | $36.10 | 139,875 |
| 2012-11-23 | Option exercise | 5,000 | $27.22 | 134,875 |
| 2012-11-23 | Option exercise | 9,000 | $14.50 | 129,875 |
| 2012-11-23 | Open-market sale | 1,600 | $76.49 | 139,875 |
| 2012-11-23 | Open-market sale | 400 | $76.49 | 141,475 |
| 2012-11-23 | Open-market sale | 300 | $76.47 | 141,875 |
| 2012-11-23 | Open-market sale | 500 | $76.38 | 142,175 |
| 2012-11-23 | Open-market sale | 155 | $76.28 | 142,675 |
| 2012-11-23 | Open-market sale | 900 | $76.27 | 142,830 |
| 2012-11-23 | Open-market sale | 2,000 | $76.25 | 143,730 |
| 2012-11-23 | Open-market sale | 100 | $76.21 | 145,730 |
| 2012-11-23 | Open-market sale | 200 | $76.20 | 145,830 |
| 2012-11-23 | Open-market sale | 3,026 | $76.20 | 146,030 |
| 2012-11-23 | Open-market sale | 845 | $76.19 | 149,056 |
| 2012-11-23 | Open-market sale | 100 | $76.15 | 149,901 |
| 2012-11-23 | Open-market sale | 100 | $76.14 | 150,001 |
| 2012-11-23 | Open-market sale | 74 | $76.11 | 150,101 |
| 2012-11-23 | Open-market sale | 700 | $76.10 | 150,175 |
| 2012-11-23 | Open-market sale | 600 | $76.08 | 150,875 |
| 2012-11-23 | Open-market sale | 100 | $76.05 | 151,475 |
| 2012-11-23 | Open-market sale | 51 | $76.04 | 151,575 |
| 2012-11-23 | Open-market sale | 100 | $76.03 | 151,626 |
| 2012-11-23 | Open-market sale | 100 | $76.02 | 151,726 |
| 2012-02-17 | Grant / award (derivative) | 30,787 | $0.00 | 30,787 |
| 2012-02-17 | Grant / award (derivative) | 24,629 | $0.00 | 24,629 |
| 2012-02-17 | Grant / award | 11,982 | $0.00 | 120,875 |
| 2012-02-14 | Tax withholding | 768 | $58.01 | 108,893 |
| 2012-02-14 | Tax withholding | 19,610 | $57.08 | 109,661 |
| 2011-02-18 | Grant / award (derivative) | 27,574 | $0.00 | 27,574 |
| 2011-02-18 | Grant / award (derivative) | 20,672 | $0.00 | 20,672 |
| 2011-02-18 | Grant / award | 11,564 | $0.00 | 129,271 |
| 2011-02-17 | Tax withholding | 7,539 | $43.41 | 117,839 |
| 2011-02-17 | Tax withholding | 132 | $43.66 | 117,707 |
| 2010-02-26 | Grant / award (derivative) | 63,249 | $0.00 | 63,249 |
| 2010-02-26 | Grant / award (derivative) | 47,390 | $0.00 | 47,390 |
| 2010-02-26 | Grant / award | 25,021 | $0.00 | 125,378 |
| 2010-02-26 | Grant / award | 18,748 | $0.00 | 97,211 |
| 2010-02-24 | Tax withholding | 2,711 | $20.39 | 100,360 |
| 2010-02-24 | Tax withholding | 3 | $20.27 | 100,357 |
| 2009-03-17 | Tax withholding | 496 | $12.99 | 103,071 |
| 2009-02-13 | Grant / award (derivative) | 140,525 | $0.00 | 140,525 |
| 2009-02-13 | Grant / award (derivative) | 105,291 | $0.00 | 105,291 |
| 2009-02-13 | Grant / award | 54,116 | $0.00 | 103,567 |
| 2009-02-13 | Grant / award | 40,548 | $0.00 | 96,863 |
| 2008-09-02 | Tax withholding | 1,081 | $19.29 | 49,451 |
| 2008-09-02 | Tax withholding | 576 | $19.29 | 56,315 |
| 2008-03-17 | Tax withholding | 734 | $12.51 | 50,532 |
| 2008-03-17 | Tax withholding | 39 | $12.98 | 57,283 |
| 2008-03-17 | Tax withholding | 392 | $12.51 | 56,891 |
| 2008-03-17 | Tax withholding | 74 | $13.03 | 51,266 |
| 2008-02-19 | Grant / award (derivative) | 49,007 | $0.00 | 49,007 |
| 2008-02-19 | Grant / award (derivative) | 68,422 | $0.00 | 68,422 |
| 2008-02-19 | Grant / award | 28,771 | $0.00 | 51,340 |
| 2008-02-19 | Grant / award | 20,607 | $0.00 | 57,322 |
| 2007-09-04 | Tax withholding | 1 | $26.77 | 36,715 |
| 2007-09-04 | Tax withholding | 563 | $26.85 | 36,716 |
| 2007-09-04 | Tax withholding | 3 | $26.77 | 22,569 |
| 2007-09-04 | Tax withholding | 1,056 | $26.85 | 22,572 |
| 2007-03-16 | Tax withholding | 377 | $27.55 | 37,279 |
| 2007-03-16 | Tax withholding | 707 | $27.55 | 23,628 |
| 2007-03-02 | Grant / award (derivative) | 15,488 | $0.00 | 15,488 |
| 2007-03-02 | Grant / award (derivative) | 21,090 | $0.00 | 21,090 |
| 2007-03-02 | Grant / award | 7,434 | $0.00 | 37,656 |
| 2007-03-02 | Grant / award | 10,123 | $0.00 | 24,335 |
| 2006-09-01 | Tax withholding | 1,064 | $29.83 | 14,212 |
| 2006-09-01 | Tax withholding | 567 | $29.83 | 30,222 |
| 2006-03-20 | Grant / award (derivative) | 9,514 | $0.00 | 9,514 |
| 2006-03-20 | Grant / award (derivative) | 6,977 | $0.00 | 6,977 |
| 2006-03-20 | Grant / award | 4,249 | $0.00 | 30,789 |
| 2006-03-20 | Grant / award | 5,794 | $0.00 | 15,276 |
| 2004-08-16 | Open-market buy | 20,000 | $14.50 | 20,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.