Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 219 | $39 | $163.37 | $138.00 - $185.17 |
| Q3 2025 | 49 | $7 | $135.17 | $121.05 - $150.28 |
| Q4 2024 | 24 | $4 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 500 | $0 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 19 | $0 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 800 | $0 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 912 | $0 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 16 | $0 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 48 | $0 | $297.86 | $273.39 - $319.76 |
| Q3 2022 | 571 | $152 | $212.38 | $193.65 - $283.44 |
| Q1 2022 | 664 | $140 | $217.46 | $192.67 - $249.00 |
| Q2 2016 | 6,363 | $1,539 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 6,578 | $1,712 | $264.15 | $242.07 - $301.02 |