| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BIIB | Common Stock | Sale | $3,375,680 | -7,672 | -43% | $440.00 | 10,169 | 07 Jun 2021 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Sale pursuant to a trading plan intended to comply with Rule 10b5-1 of the Securities Exchange Act of 1934. |
| F2 | Includes 102.902 shares acquired under the Biogen Inc. employee stock purchase plan on 3/31/2021. |