Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 100,000 | $17,599 | $163.37 | $138.00 - $185.17 |
| Q1 2023 | 40,000 | $11,121 | $276.70 | $254.80 - $295.90 |
| Q3 2022 | 50,000 | $13,350 | $212.38 | $193.65 - $283.44 |
| Q1 2022 | 15,000 | $3,159 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 35,000 | $8,397 | $257.12 | $221.72 - $290.76 |
| Q2 2021 | 35,000 | $12,119 | $302.94 | $257.03 - $468.55 |
| Q4 2020 | 10,000 | $2,449 | $259.08 | $223.25 - $363.92 |