Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 18,779 | $3 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 18,779 | $3 | $135.17 | $121.05 - $150.28 |
| Q2 2024 | 1,865 | $0 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 1,865 | $0 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,865 | $0 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,875 | $0 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,875 | $1 | $297.86 | $273.39 - $319.76 |