13 insiders reported 76 Form 4 transactions for Verastem, Inc. (VSTM) over the past 18 months (most recent 2026-08-05). Recent activity: Paterson Dan (President and CEO) Sell 1,302 shares, Paterson Dan (President and CEO) Sell 20,871 shares, Calkins Daniel (Chief Financial Officer) Sell 4,032 shares, Calkins Daniel (Chief Financial Officer) Sell 57 shares, BAILEY MICHAEL P (Director) Buy 108,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-05 | Paterson Dan | President and CEO | Sell | 1,302 | $7,565 |
| 2026-06-24 | Paterson Dan | President and CEO | Sell | 20,871 | $87,241 |
| 2026-06-24 | Calkins Daniel | Chief Financial Officer | Sell | 4,032 | $16,854 |
| 2026-06-24 | Calkins Daniel | Chief Financial Officer | Sell | 57 | $235 |
| 2026-05-27 | BAILEY MICHAEL P | Director | Buy | 108,000 | $0 |
| 2026-05-26 | JOHNSON JOHN | Director | Buy | 36,000 | $0 |
| 2026-05-26 | Rowinsky Eric K | Director | Buy | 36,000 | $0 |
| 2026-05-26 | Stuglik Brian M | Director | Buy | 36,000 | $0 |
| 2026-05-26 | Kapur Anil | Director | Buy | 36,000 | $0 |
| 2026-05-26 | ROBERTSON MICHELLE | Director | Buy | 36,000 | $0 |
| 2026-05-26 | Bunn Paul A. | Director | Buy | 36,000 | $0 |
| 2026-05-26 | Tollefson Karin Anna | Director | Buy | 36,000 | $0 |
| 2026-05-06 | Paterson Dan | President and CEO | Sell | 806 | $4,691 |
| 2026-03-23 | Calkins Daniel | Chief Financial Officer | Sell | 57 | $327 |
| 2026-02-05 | Paterson Dan | President and CEO | Sell | 970 | $6,489 |
| 2026-01-23 | Calkins Daniel | Chief Financial Officer | Buy | 16,665 | $0 |
| 2026-01-23 | Paterson Dan | President and CEO | Buy | 213,785 | $0 |
| 2026-01-14 | Paterson Dan | President and CEO | Sell | 10,321 | $73,898 |
| 2026-01-14 | Calkins Daniel | Chief Financial Officer | Sell | 5,039 | $36,079 |
| 2025-12-29 | Calkins Daniel | Chief Financial Officer | Sell | 80 | $629 |
| 2025-12-18 | Stuglik Brian M | Director | Sell | 592 | $5,411 |
| 2025-12-18 | Paterson Dan | President and CEO | Sell | 393 | $3,592 |
| 2025-12-18 | Gagnon Robert E. | Director | Sell | 283 | $2,587 |
| 2025-12-12 | Paterson Dan | President and CEO | Sell | 2,000 | $20,140 |
| 2025-12-12 | Paterson Dan | President and CEO | Sell | 2,000 | $20,000 |
Source: SEC Form 4 filings · as of 2026-08-05