12 insiders reported 67 Form 4 transactions for Verastem, Inc. (VSTM) over the past 18 months (most recent 2026-06-24). Recent activity: 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, Calkins Daniel (Chief Financial Officer) Sell 57 shares, Paterson Dan (President and CEO) Sell 970 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2026-03-23 | 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 | Gagnon Robert E. | Director | Sell | 283 | $2,587 |
| 2025-12-18 | Paterson Dan | President and CEO | Sell | 393 | $3,592 |
| 2025-12-18 | Stuglik Brian M | Director | Sell | 592 | $5,411 |
| 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 |
| 2025-12-09 | Paterson Dan | President and CEO | Sell | 2,000 | $21,220 |
| 2025-12-09 | Paterson Dan | President and CEO | Sell | 2,000 | $21,000 |
| 2025-12-09 | Paterson Dan | President and CEO | Sell | 2,000 | $20,500 |
| 2025-12-04 | Paterson Dan | President and CEO | Sell | 2,000 | $20,640 |
| 2025-12-04 | Paterson Dan | President and CEO | Sell | 2,000 | $20,000 |
| 2025-12-04 | Paterson Dan | President and CEO | Sell | 2,000 | $20,000 |
| 2025-12-01 | Paterson Dan | President and CEO | Sell | 2,000 | $20,640 |
| 2025-12-01 | Paterson Dan | President and CEO | Sell | 2,000 | $21,580 |
| 2025-12-01 | Paterson Dan | President and CEO | Sell | 2,000 | $20,780 |
| 2025-11-25 | Bunn Paul A. | Director | Sell | 6,250 | $62,500 |
Source: SEC Form 4 filings · as of 2026-06-24