Tollefson Karin Anna (CIK 1976551) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-26). Recent activity: Buy VSTM (36,000 shares), Buy VSTM (8,333 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-26 | Verastem, Inc. (VSTM) | Director | Buy | 36,000 | $0 |
| 2025-05-27 | Verastem, Inc. (VSTM) | Director | Buy | 8,333 | $0 |
Source: SEC Form 4 filings · as of 2026-05-26