Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2025 | 9 | $1 | $135.17 | $121.05 - $150.28 |
| Q2 2025 | 43 | $5 | $124.60 | $110.04 - $137.32 |
| Q4 2024 | 1 | $0 | $168.67 | $145.07 - $195.00 |
| Q3 2023 | 15 | $4 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 218 | $60 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 15 | $4 | $276.70 | $254.80 - $295.90 |