| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BIIB | Common Stock | Award | $0 | +1,783 | +58% | $0 | 4,844 | 25 Jan 2023 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares earned upon satisfaction of certain performance conditions associated with performance stock units granted on February 12, 2020. The shares will vest on February 12, 2023. |