ALEXANDER SUSAN H (CIK 1263839) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-10). Recent activity: Buy BIIB (2,190 shares), Sell BIIB (1,059 shares), Buy BIIB (1,940 shares), Sell BIIB (931 shares), Buy BIIB (4,916 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Buy | 2,190 | $0 |
| 2026-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Sell | 1,059 | $213,050 |
| 2026-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Buy | 1,940 | $0 |
| 2026-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Sell | 931 | $187,299 |
| 2026-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Buy | 4,916 | $0 |
| 2026-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Sell | 1,514 | $304,587 |
| 2025-02-12 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Buy | 2,575 | $0 |
| 2025-02-12 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Sell | 807 | $115,030 |
| 2025-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Buy | 2,190 | $0 |
| 2025-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Sell | 643 | $90,888 |
| 2025-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Buy | 1,940 | $0 |
| 2025-02-10 | BIOGEN INC. (BIIB) | EVP Chief Legal Officer | Sell | 591 | $83,538 |
Source: SEC Form 4 filings · as of 2026-02-10