SEC CIK 1396928
MASON MARK K
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| MCHBview stock → | 206,766 | 2025-09-02 |
| HAFCview stock → | 6,225 | 2008-02-22 |
Position History — MCHB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — MCHB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2025-09-02 | Tax withholding | 6,430 | $13.87 | 206,766 |
| 2025-09-02 | Tax withholding | 14,434 | $13.87 | 225,665 |
| 2025-09-02 | Grant / award | 33,333 | $0.00 | 240,099 |
| 2025-09-02 | Grant / award | 14,848 | $0.00 | 213,196 |
| 2025-09-02 | Tax withholding | 13,117 | $13.87 | 227,569 |
| 2025-09-02 | Grant / award | 33,333 | $0.00 | 240,686 |
| 2025-09-02 | Tax withholding | 5,843 | $13.87 | 207,353 |
| 2025-09-02 | Grant / award | 14,848 | $0.00 | 213,196 |
| 2025-01-01 | Option exercise (derivative) | 4,949 | $0.00 | 4,950 |
| 2025-01-01 | Option exercise (derivative) | 2,570 | $0.00 | 0 |
| 2025-01-01 | Option exercise (derivative) | 15,581 | $0.00 | 31,163 |
| 2025-01-01 | Tax withholding | 2,244 | $11.42 | 189,180 |
| 2025-01-01 | Tax withholding | 6,413 | $11.42 | 198,348 |
| 2025-01-01 | Option exercise | 15,581 | — | 204,761 |
| 2025-01-01 | Option exercise | 2,570 | — | 187,641 |
| 2025-01-01 | Option exercise | 4,949 | — | 191,424 |
| 2025-01-01 | Tax withholding | 1,166 | $11.42 | 186,475 |
| 2024-01-01 | Option exercise (derivative) | 3,865 | $0.00 | 0 |
| 2024-01-01 | Option exercise (derivative) | 2,570 | $0.00 | 2,570 |
| 2024-01-01 | Option exercise (derivative) | 4,949 | $0.00 | 9,899 |
| 2024-01-01 | Grant / award (derivative) | 46,744 | $0.00 | 46,744 |
| 2024-01-01 | Tax withholding | 2,237 | $10.30 | 185,071 |
| 2024-01-01 | Option exercise | 4,949 | — | 187,308 |
| 2024-01-01 | Tax withholding | 1,162 | $10.30 | 182,359 |
| 2024-01-01 | Option exercise | 2,570 | — | 183,521 |
| 2024-01-01 | Tax withholding | 1,747 | $10.30 | 180,951 |
| 2024-01-01 | Option exercise | 3,865 | — | 182,698 |
| 2023-05-02 | J | 2,500 | $0.00 | 178,833 |
| 2023-03-28 | Option exercise (derivative) | 4,091 | $0.00 | 0 |
| 2023-03-28 | Option exercise | 4,091 | $0.00 | 182,943 |
| 2023-03-28 | Tax withholding | 1,610 | $18.75 | 181,333 |
| 2023-01-01 | Option exercise (derivative) | 2,570 | $0.00 | 5,140 |
| 2023-01-01 | Grant / award (derivative) | 14,848 | $0.00 | 14,848 |
| 2023-01-01 | Option exercise (derivative) | 3,865 | $0.00 | 3,865 |
| 2023-01-01 | Option exercise | 3,865 | $0.00 | 179,151 |
| 2023-01-01 | Tax withholding | 1,749 | $27.58 | 177,402 |
| 2023-01-01 | Option exercise | 2,570 | $0.00 | 179,972 |
| 2023-01-01 | Tax withholding | 1,120 | $27.58 | 178,852 |
| 2022-12-09 | Open-market sale | 1,075 | $28.38 | 2,800 |
| 2022-12-08 | J | 1,075 | $0.00 | 175,286 |
| 2022-03-28 | Option exercise (derivative) | 3,307 | $0.00 | 0 |
| 2022-03-28 | Option exercise (derivative) | 4,091 | $0.00 | 4,091 |
| 2022-03-28 | Option exercise | 3,307 | $0.00 | 175,182 |
| 2022-03-28 | Tax withholding | 1,302 | $48.55 | 173,880 |
| 2022-03-28 | Option exercise | 4,091 | $0.00 | 177,971 |
| 2022-03-28 | Tax withholding | 1,610 | $48.55 | 176,361 |
| 2022-01-26 | Option exercise (derivative) | 13,995 | $0.00 | 0 |
| 2022-01-26 | Tax withholding | 3,408 | $49.04 | 171,875 |
| 2022-01-26 | Option exercise | 13,995 | $0.00 | 175,283 |
| 2022-01-01 | Option exercise (derivative) | 3,865 | $0.00 | 7,730 |
| 2022-01-01 | Grant / award (derivative) | 7,710 | $0.00 | 7,710 |
| 2022-01-01 | Tax withholding | 1,095 | $52.00 | 161,288 |
| 2022-01-01 | Option exercise | 3,865 | $0.00 | 162,383 |
| 2021-03-28 | Option exercise (derivative) | 4,091 | $0.00 | 23,084 |
| 2021-03-28 | Option exercise (derivative) | 3,307 | $0.00 | 27,175 |
| 2021-03-28 | Option exercise | 4,091 | $0.00 | 160,128 |
| 2021-03-28 | Tax withholding | 998 | $45.77 | 156,037 |
| 2021-03-28 | Option exercise | 3,307 | $0.00 | 157,035 |
| 2021-03-28 | Tax withholding | 1,610 | $45.77 | 158,518 |
| 2021-01-29 | Option exercise (derivative) | 2,893 | $0.00 | 30,482 |
| 2021-01-29 | Option exercise | 2,893 | $0.00 | 154,988 |
| 2021-01-29 | Tax withholding | 1,260 | $36.40 | 153,728 |
| 2021-01-01 | Grant / award (derivative) | 11,595 | $0.00 | 33,375 |
| 2020-03-28 | Grant / award (derivative) | 12,273 | $0.00 | 25,087 |
| 2020-03-28 | Option exercise (derivative) | 3,307 | $0.00 | 21,780 |
| 2020-03-28 | Option exercise | 3,307 | $0.00 | 153,397 |
| 2020-03-28 | Tax withholding | 1,302 | $21.39 | 152,095 |
| 2020-03-08 | Option exercise (derivative) | 3,760 | $0.00 | 12,814 |
| 2020-03-08 | Option exercise | 3,760 | $0.00 | 151,570 |
| 2020-03-08 | Tax withholding | 1,480 | $25.91 | 150,090 |
| 2020-01-29 | Option exercise (derivative) | 2,893 | $0.00 | 16,574 |
| 2020-01-29 | Tax withholding | 1,134 | $31.75 | 147,810 |
| 2020-01-29 | Option exercise | 2,893 | $0.00 | 148,944 |
| 2020-01-26 | Option exercise (derivative) | 3,015 | $0.00 | 19,467 |
| 2020-01-26 | Tax withholding | 1,328 | $32.46 | 146,051 |
| 2020-01-26 | Option exercise | 3,015 | $0.00 | 147,379 |
| 2019-03-28 | Grant / award (derivative) | 9,921 | $0.00 | 22,482 |
| 2019-03-08 | Option exercise (derivative) | 3,760 | $0.00 | 12,561 |
| 2019-03-08 | Tax withholding | 1,480 | $26.70 | 144,364 |
| 2019-03-08 | Option exercise | 3,760 | $0.00 | 145,844 |
| 2019-01-29 | Option exercise (derivative) | 2,893 | $0.00 | 16,321 |
| 2019-01-29 | Option exercise | 2,893 | $0.00 | 143,223 |
| 2019-01-29 | Tax withholding | 1,139 | $24.58 | 142,084 |
| 2019-01-28 | Option exercise (derivative) | 3,409 | $0.00 | 19,214 |
| 2019-01-28 | Tax withholding | 1,327 | $24.55 | 140,330 |
| 2019-01-28 | Option exercise | 3,409 | $0.00 | 141,657 |
| 2019-01-26 | Option exercise (derivative) | 3,015 | $0.00 | 22,623 |
| 2019-01-26 | Tax withholding | 1,347 | $24.32 | 138,248 |
| 2019-01-26 | Option exercise | 3,015 | $0.00 | 139,595 |
| 2018-04-27 | Open-market buy | 200 | $25.59 | 200 |
| 2018-03-23 | Open-market sale | 2,208 | $28.52 | 136,580 |
| 2018-03-14 | Option exercise (derivative) | 5,220 | $0.00 | 0 |
| 2018-03-14 | Option exercise | 5,220 | $0.00 | 140,273 |
| 2018-03-14 | Open-market sale | 1,485 | $30.50 | 138,788 |
| 2018-03-08 | Option exercise (derivative) | 3,760 | $0.00 | 25,638 |
| 2018-03-08 | Option exercise | 3,760 | $0.00 | 135,053 |
| 2018-02-01 | Open-market sale | 6,934 | $29.53 | 131,293 |
| 2018-02-01 | Open-market sale | 6,934 | $29.53 | 131,293 |
| 2018-01-29 | Grant / award (derivative) | 8,679 | $0.00 | 29,398 |
| 2018-01-29 | Option exercise (derivative) | 2,821 | $0.00 | 20,719 |
| 2018-01-29 | Option exercise | 2,821 | $0.00 | 138,227 |
| 2018-01-28 | Option exercise (derivative) | 3,409 | $0.00 | 23,540 |
| 2018-01-28 | Option exercise | 3,409 | $0.00 | 135,406 |
| 2018-01-26 | Option exercise (derivative) | 3,015 | $0.00 | 26,949 |
| 2018-01-26 | Option exercise | 3,015 | $0.00 | 131,997 |
| 2017-05-29 | Option exercise (derivative) | 2,780 | $0.00 | 29,964 |
| 2017-05-29 | Option exercise | 2,780 | $0.00 | 128,982 |
| 2017-03-13 | Open-market sale | 3,361 | $26.41 | 130,302 |
| 2017-03-13 | Open-market sale | 4,100 | $26.46 | 126,202 |
| 2017-03-08 | Grant / award (derivative) | 11,280 | $0.00 | 32,744 |
| 2017-03-08 | Grant / award | 7,461 | $0.00 | 133,663 |
| 2017-02-06 | Open-market sale | 2,800 | $25.94 | 126,202 |
| 2017-01-29 | Option exercise (derivative) | 2,821 | $0.00 | 21,464 |
| 2017-01-29 | Option exercise | 2,821 | $0.00 | 129,002 |
| 2017-01-28 | Option exercise (derivative) | 3,409 | $0.00 | 24,285 |
| 2017-01-28 | Option exercise | 3,409 | $0.00 | 126,181 |
| 2017-01-26 | Grant / award (derivative) | 13,568 | $0.00 | 54,114 |
| 2017-01-26 | Grant / award (derivative) | 9,045 | $0.00 | 27,694 |
| 2016-07-22 | J | 122,773 | $0.00 | 122,773 |
| 2016-07-22 | J | 122,772 | $0.00 | 122,772 |
| 2016-05-27 | Option exercise (derivative) | 2,780 | $0.00 | 18,649 |
| 2016-05-27 | Option exercise | 2,780 | $0.00 | 245,545 |
| 2016-04-28 | Option exercise (derivative) | 242,168 | $0.00 | 0 |
| 2016-04-28 | Option exercise | 242,168 | $11.00 | 242,168 |
| 2016-04-28 | Open-market sale | 242,168 | $21.60 | 0 |
| 2016-01-29 | Option exercise (derivative) | 2,821 | $0.00 | 21,429 |
| 2016-01-29 | Option exercise | 2,821 | $0.00 | 5,601 |
| 2016-01-28 | Grant / award (derivative) | 10,227 | $0.00 | 24,250 |
| 2016-01-28 | Grant / award (derivative) | 15,341 | $0.00 | 40,546 |
| 2015-05-29 | Option exercise (derivative) | 2,780 | $0.00 | 14,023 |
| 2015-05-29 | Option exercise | 2,780 | $0.00 | 2,780 |
| 2015-01-29 | Grant / award (derivative) | 8,463 | $0.00 | 16,803 |
| 2015-01-29 | Grant / award (derivative) | 12,695 | $0.00 | 25,205 |
| 2014-05-29 | Grant / award (derivative) | 12,510 | $0.00 | 12,510 |
| 2014-05-29 | Grant / award (derivative) | 8,340 | — | 8,340 |
| 2013-11-25 | Open-market sale | 48,005 | $20.45 | 111,000 |
| 2013-11-22 | Open-market sale | 33,321 | $20.20 | 159,005 |
| 2013-11-21 | Option exercise (derivative) | 200,000 | $0.00 | 0 |
| 2013-11-21 | Open-market sale | 7,674 | $20.20 | 192,326 |
| 2013-11-21 | Option exercise | 200,000 | $0.00 | 200,000 |
| 2012-02-15 | Grant / award (derivative) | 60,542 | $0.00 | 110,542 |
| 2012-02-15 | Grant / award | 20,181 | $0.00 | 31,541 |
| 2012-02-15 | Grant / award (derivative) | 60,542 | $0.00 | 110,542 |
| 2012-02-15 | Grant / award | 20,181 | $0.00 | 31,541 |
| 2012-02-15 | Grant / award (derivative) | 60,542 | $0.00 | 60,542 |
| 2012-02-15 | Grant / award | 20,181 | $0.00 | 31,541 |
| 2012-02-10 | Open-market buy | 11,360 | $44.00 | 11,360 |
| 2012-02-10 | Open-market buy | 11,360 | $44.00 | 11,360 |
| 2012-02-10 | Grant / award (derivative) | 60,542 | $0.00 | 60,542 |
| 2012-02-10 | Grant / award | 20,181 | $0.00 | 31,541 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.