Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 19,144 | $3,369 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 25,543 | $3,578 | $135.17 | $121.05 - $150.28 |
| Q4 2021 | 3,583 | $860 | $257.12 | $221.72 - $290.76 |