Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,627 | $638 | $163.37 | $138.00 - $185.17 |
| Q3 2021 | 400 | $113 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 400 | $139 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 400 | $112 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 400 | $98 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 30 | $9 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 120 | $32 | $300.59 | $257.60 - $350.24 |