Grogan Jane (CIK 1995547) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-10). Recent activity: Buy BIIB (1,385 shares), Sell BIIB (407 shares), Buy BIIB (1,873 shares), Sell BIIB (584 shares), Buy BIIB (695 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-10 | BIOGEN INC. (BIIB) | Head of Research | Buy | 1,385 | $0 |
| 2026-02-10 | BIOGEN INC. (BIIB) | Head of Research | Sell | 407 | $81,880 |
| 2026-02-10 | BIOGEN INC. (BIIB) | Head of Research | Buy | 1,873 | $0 |
| 2026-02-10 | BIOGEN INC. (BIIB) | Head of Research | Sell | 584 | $117,489 |
| 2025-11-04 | BIOGEN INC. (BIIB) | Head of Research | Buy | 695 | $0 |
| 2025-11-04 | BIOGEN INC. (BIIB) | Head of Research | Sell | 337 | $51,989 |
来源：SEC Form 4 申报文件 · 截至 2026-02-10