| Type | Sym | Class | Transaction | Value $ | Shares | Change % | Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BIIB | Common Stock | Award | $0 | +3.09K | +105.79% | $0.00 | 6.01K | Jan 19, 2022 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares earned upon satisfaction of certain performance conditions associated with performance stock units granted on February 12, 2019. The shares will vest on February 12, 2022. |