Kauffman Michael
SEC CIK 1364719 · EDGAR
BoughtSold
Most active insiders at VSTM, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Paterson Dan | Pres, CEO, Dir | — | $502.1K |
| 2 | Bunn Paul A. | Dir | — | $138.0K |
| 3 | Kauffman Michael | Dir | — | $85.5K |
| 4 | Calkins Daniel | CFO | — | $54.2K |
| 5 | Stuglik Brian M | Dir | — | $5,411 |
| 6 | Gagnon Robert E. | Dir | — | $2,587 |
| 7 | Tollefson Karin Anna | Dir | — | — |
| 8 | ROBERTSON MICHELLE | Dir | — | — |
| 9 | Kapur Anil | Dir | — | — |
| 10 | JOHNSON JOHN | Dir | — | — |
Transactions 13
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-25 | 2025-11-21 | VSTM | Verastem, Inc. | Kauffman Michael | Dir | S - Sale | $10.00 | -8,550 | 8,666 | -50% | -$85.5K | |
| D | 2025-05-27 | 2025-05-22 | VSTM | Verastem, Inc. | Kauffman Michael | Dir | A - Grant | $0.00 | +8,333 | 17.2K | +94% | $0 |
| D | 2024-06-20 | 2024-06-18 | VSTM | Verastem, Inc. | Kauffman Michael | Dir | A - Grant | $0.00 | +8,333 | 8,883 | +1,515% | $0 |
| D | 2024-06-07 | 2024-06-05 | ACET | Adicet Bio, Inc. | Kauffman Michael | Dir | S - Sale | $1.43 | -5,900 | 5,900 | -50% | -$8,437 |
| D | 2024-06-07 | 2024-06-05 | ACET | Adicet Bio, Inc. | Kauffman Michael | Dir | A - Grant | $0.00 | +5,900 | 11.8K | +100% | $0 |
| D | 2023-06-02 | 2023-06-01 | ACET | Adicet Bio, Inc. | Kauffman Michael | Dir | A - Grant | $0.00 | +5,900 | 5,900 | New | $0 |
| D | 2022-03-02 | 2022-02-28 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | S - Sale | $10.24 | -6,226 | 713.8K | -0.9% | -$63.8K |
| DI | 2022-03-02 | 2022-02-28 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | S - Sale | $10.24 | -6,226 | 898.1K | -0.7% | -$63.8K |
| D | 2022-03-02 | 2022-02-28 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | A - Grant | $0.00 | +21.0K | 720.0K | +3% | $0 |
| I | 2022-02-22 | 2022-02-17 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | S - Sale | $12.12 | -9,088 | 904.4K | -1.0% | -$110.1K |
| 2022-02-22 | 2022-02-17 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | S - Sale | $12.12 | -9,079 | 699.0K | -1% | -$110.0K | |
| I | 2022-02-09 | 2022-02-07 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | S - Sale | $9.86 | -6,707 | 913.4K | -0.7% | -$66.1K |
| 2022-02-09 | 2022-02-07 | KPTI | Karyopharm Therapeutics Inc. | Kauffman Michael | Dir | S - Sale | $9.86 | -6,764 | 708.1K | -0.9% | -$66.7K |
Purchase Sale Sale after option exercise All abbreviations