| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BIIB | Common Stock | Gift | $0 | -523 | -1.3% | $0.000000 | 41,053 | 09 Aug 2021 | Direct | |
| transaction | BIIB | Common Stock | Award | $0 | +2,825 | +6.9% | $0.000000 | 43,878 | 19 Jan 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. |