Rowinsky Eric K (CIK 1318886) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-11). Recent activity: Buy BIIB (1,505 shares), Buy BIIB (2,370 shares), Buy VSTM (8,333 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-11 | BIOGEN INC. (BIIB) | Director | Buy | 1,505 | $0 |
| 2025-06-18 | BIOGEN INC. (BIIB) | Director | Buy | 2,370 | $0 |
| 2025-05-27 | Verastem, Inc. (VSTM) | Director | Buy | 8,333 | $0 |
Source: SEC Form 4 filings · as of 2026-06-11