Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,850 | $326 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 1,850 | $259 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 1,850 | $232 | $124.60 | $110.04 - $137.32 |
| Q3 2020 | 10 | $3 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 10 | $3 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 10 | $3 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 10 | $3 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 10 | $2 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 10 | $2 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 10 | $2 | $314.89 | $216.12 - $344.00 |