SEC CIK 1730096
WESTPHAL MARK W
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| POSTview stock → | 218,667 | 2026-10-22 |
Position History — POST
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — POST
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-10-22 | Tax withholding | 17,530 | $78.06 | 218,667 |
| 2026-10-22 | Grant / award | 38,441 | $0.00 | 236,197 |
| 2025-11-18 | Grant / award | 3,243 | $0.00 | 197,756 |
| 2025-11-18 | Grant / award | 16,682 | $0.00 | 194,513 |
| 2025-11-15 | Tax withholding | 2,521 | $106.70 | 177,831 |
| 2025-11-14 | Tax withholding | 2,757 | $106.34 | 180,352 |
| 2025-11-12 | Option exercise (derivative) | 4,759 | $0.00 | 9,518 |
| 2025-11-12 | Option exercise (derivative) | 3,097 | $0.00 | 0 |
| 2025-11-12 | Tax withholding | 1,413 | $106.02 | 180,521 |
| 2025-11-12 | Tax withholding | 2,171 | $106.02 | 183,109 |
| 2025-11-12 | Option exercise | 4,759 | $0.00 | 185,280 |
| 2025-11-12 | Option exercise | 3,097 | $0.00 | 181,934 |
| 2025-10-22 | Grant / award | 43,108 | $0.00 | 198,495 |
| 2025-10-22 | Tax withholding | 19,658 | $107.19 | 178,837 |
| 2024-11-16 | Option exercise (derivative) | 6,027 | $0.00 | 0 |
| 2024-11-16 | Tax withholding | 2,749 | $106.14 | 155,387 |
| 2024-11-16 | Option exercise | 6,027 | $0.00 | 158,136 |
| 2024-11-15 | Tax withholding | 2,521 | $107.78 | 152,109 |
| 2024-11-14 | Tax withholding | 4,941 | $109.47 | 154,630 |
| 2024-11-14 | Tax withholding | 2,757 | $109.47 | 159,571 |
| 2024-11-13 | Grant / award (derivative) | 3,097 | $0.00 | 3,097 |
| 2024-11-13 | Grant / award (derivative) | 14,277 | $0.00 | 14,277 |
| 2024-10-21 | Tax withholding | 21,436 | $115.21 | 162,328 |
| 2024-10-21 | Grant / award | 47,008 | $0.00 | 183,764 |
| 2023-11-17 | Tax withholding | 2,940 | $84.21 | 130,729 |
| 2023-11-16 | Tax withholding | 2,749 | $85.39 | 133,669 |
| 2023-11-16 | Option exercise (derivative) | 6,027 | $0.00 | 6,027 |
| 2023-11-16 | Option exercise | 6,027 | $0.00 | 136,756 |
| 2023-11-15 | Tax withholding | 4,724 | $85.50 | 136,418 |
| 2023-11-15 | Tax withholding | 2,520 | $85.50 | 141,142 |
| 2023-11-14 | Grant / award | 18,133 | $0.00 | 132,827 |
| 2023-11-14 | Grant / award | 10,835 | $0.00 | 143,662 |
| 2023-10-24 | Grant / award | 39,840 | $0.00 | 132,862 |
| 2023-10-24 | Tax withholding | 18,168 | $80.91 | 114,694 |
| 2022-12-04 | Tax withholding | 8,515 | $95.75 | 93,022 |
| 2022-11-17 | Tax withholding | 2,940 | $89.61 | 101,537 |
| 2022-11-16 | Option exercise (derivative) | 6,026 | $0.00 | 12,054 |
| 2022-11-16 | Tax withholding | 2,748 | $89.57 | 104,477 |
| 2022-11-16 | Option exercise | 6,026 | $0.00 | 107,225 |
| 2022-11-15 | Grant / award | 10,358 | $0.00 | 101,199 |
| 2022-11-15 | Grant / award | 16,580 | $0.00 | 90,841 |
| 2022-11-13 | Tax withholding | 2,432 | $86.19 | 74,261 |
| 2022-10-15 | Tax withholding | 4,814 | $86.25 | 76,693 |
| 2022-03-29 | Grant / award | 10,557 | $0.00 | 81,507 |
| 2022-03-10 | Grant / award (derivative) | 5,887 | $0.00 | 18,080 |
| 2022-03-10 | Grant / award (derivative) | 11,170 | $0.00 | 34,306 |
| 2022-03-10 | Grant / award (derivative) | 9,901 | $0.00 | 30,409 |
| 2021-11-17 | Tax withholding | 1,517 | $105.95 | 58,936 |
| 2021-11-16 | Grant / award (derivative) | 12,193 | $0.00 | 12,193 |
| 2021-11-13 | Tax withholding | 1,101 | $106.62 | 60,453 |
| 2021-11-13 | Tax withholding | 827 | $106.62 | 61,554 |
| 2020-12-01 | Tax withholding | 489 | $93.52 | 62,381 |
| 2020-11-17 | Grant / award | 13,043 | $0.00 | 62,870 |
| 2020-11-13 | Tax withholding | 1,101 | $102.64 | 49,827 |
| 2020-11-13 | Tax withholding | 826 | $102.64 | 50,928 |
| 2020-08-21 | Open-market buy | 2,000 | $84.87 | 51,754 |
| 2019-12-01 | Tax withholding | 489 | $105.60 | 49,754 |
| 2019-11-16 | Tax withholding | 422 | $106.36 | 50,243 |
| 2019-11-13 | Tax withholding | 826 | $106.51 | 50,665 |
| 2019-11-13 | Grant / award | 10,788 | $0.00 | 51,491 |
| 2019-08-29 | Open-market buy | 2,000 | $98.13 | 40,703 |
| 2018-12-01 | Tax withholding | 489 | $96.75 | 38,703 |
| 2018-11-17 | Tax withholding | 272 | $96.05 | 39,192 |
| 2018-11-16 | Tax withholding | 422 | $96.05 | 39,464 |
| 2018-11-13 | Grant / award (derivative) | 23,136 | $0.00 | 23,136 |
| 2018-11-13 | Grant / award | 8,098 | $0.00 | 39,886 |
| 2018-01-31 | — | — | — | 6,440.52 |
| 2018-01-31 | — | — | — | 31,788 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.