SEC CIK 1796257
Karber Michael J.
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| GPMTview stock → | 123,371 | 2026-03-15 |
Position History — GPMT
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — GPMT
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-03-15 | Option exercise (derivative) | 19,213 | $0.00 | 0 |
| 2026-03-15 | Tax withholding | 9,452 | $1.57 | 123,371 |
| 2026-03-15 | Option exercise | 19,213 | — | 132,823 |
| 2026-03-05 | Tax withholding | 1,670 | $1.75 | 113,610 |
| 2026-03-05 | Grant / award | 3,458 | $0.00 | 115,280 |
| 2026-03-05 | Grant / award (derivative) | 73,294 | $0.00 | 73,294 |
| 2026-03-01 | Option exercise (derivative) | 22,489 | $0.00 | 22,490 |
| 2026-03-01 | Tax withholding | 12,128 | $1.74 | 111,822 |
| 2026-03-01 | Option exercise | 22,489 | — | 123,950 |
| 2026-02-27 | Option exercise (derivative) | 12,831 | $0.00 | 25,663 |
| 2026-02-27 | Option exercise (derivative) | 24,887 | $0.00 | 49,776 |
| 2026-02-27 | Tax withholding | 20,555 | $1.74 | 101,461 |
| 2026-02-27 | Option exercise | 12,831 | — | 122,016 |
| 2026-02-27 | Option exercise | 24,887 | — | 109,185 |
| 2025-12-31 | Option exercise (derivative) | 32,532 | $0.00 | 0 |
| 2025-12-31 | Tax withholding | 16,005 | $2.41 | 84,298 |
| 2025-12-31 | Option exercise | 32,532 | — | 100,303 |
| 2025-06-05 | Grant / award (derivative) | 38,494 | $0.00 | 38,494 |
| 2025-03-15 | Option exercise (derivative) | 19,213 | $0.00 | 19,213 |
| 2025-03-15 | Tax withholding | 9,452 | $2.83 | 67,771 |
| 2025-03-15 | Option exercise | 19,213 | — | 77,223 |
| 2025-03-01 | Option exercise (derivative) | 22,489 | $0.00 | 44,979 |
| 2025-03-01 | Tax withholding | 12,256 | $2.96 | 58,010 |
| 2025-03-01 | Option exercise | 22,489 | — | 70,266 |
| 2025-02-27 | Grant / award (derivative) | 74,663 | $0.00 | 74,663 |
| 2025-02-16 | Option exercise (derivative) | 8,179 | $0.00 | 0 |
| 2025-02-16 | Tax withholding | 4,060 | $2.90 | 47,777 |
| 2025-02-16 | Option exercise | 8,179 | — | 51,837 |
| 2024-06-21 | Grant / award (derivative) | 80,128 | $0.00 | 80,128 |
| 2024-03-15 | Option exercise (derivative) | 19,212 | $0.00 | 38,426 |
| 2024-03-15 | Tax withholding | 8,520 | $4.79 | 43,658 |
| 2024-03-15 | Option exercise | 19,212 | — | 52,178 |
| 2024-03-01 | Grant / award (derivative) | 67,468 | $0.00 | 67,468 |
| 2024-02-16 | Option exercise (derivative) | 8,178 | $0.00 | 8,179 |
| 2024-02-16 | Option exercise | 8,178 | — | 37,026 |
| 2024-02-16 | Tax withholding | 4,060 | $4.71 | 32,966 |
| 2024-01-01 | Option exercise (derivative) | 7,191 | $0.00 | 0 |
| 2024-01-01 | Option exercise | 7,191 | — | 32,418 |
| 2024-01-01 | Tax withholding | 3,570 | $5.94 | 28,848 |
| 2023-03-15 | Grant / award (derivative) | 57,638 | $0.00 | 57,638 |
| 2023-02-16 | Option exercise (derivative) | 8,178 | $0.00 | 16,357 |
| 2023-02-16 | Option exercise | 8,178 | — | 29,247 |
| 2023-02-16 | Tax withholding | 4,020 | $6.12 | 25,227 |
| 2023-01-29 | Tax withholding | 1,702 | $6.40 | 21,069 |
| 2023-01-01 | Option exercise (derivative) | 7,190 | $0.00 | 7,191 |
| 2023-01-01 | Option exercise | 7,190 | — | 26,340 |
| 2023-01-01 | Tax withholding | 3,569 | $5.36 | 22,771 |
| 2022-02-16 | Grant / award (derivative) | 24,535 | $0.00 | 24,535 |
| 2022-01-29 | Tax withholding | 1,489 | $11.94 | 19,150 |
| 2022-01-28 | Tax withholding | 894 | $11.94 | 20,639 |
| 2022-01-01 | Option exercise (derivative) | 7,190 | $0.00 | 14,381 |
| 2022-01-01 | Tax withholding | 3,569 | $11.71 | 21,533 |
| 2022-01-01 | Option exercise | 7,190 | — | 25,102 |
| 2021-01-29 | Grant / award (derivative) | 21,571 | $0.00 | 21,571 |
| 2021-01-29 | Tax withholding | 2,897 | $9.32 | 17,912 |
| 2021-01-28 | Tax withholding | 900 | $9.64 | 20,809 |
| 2020-12-31 | Grant / award (derivative) | 32,532 | $0.00 | 32,532 |
| 2020-01-30 | Open-market sale | 1,155 | $18.40 | 21,709 |
| 2020-01-29 | Grant / award | 10,286 | $0.00 | 22,864 |
| 2020-01-29 | Open-market sale | 901 | $18.44 | 12,578 |
| 2020-01-01 | — | — | — | 13,479 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.