Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2025 | 13 | $0 | $135.17 | $121.05 - $150.28 |
| Q1 2025 | 70 | $0 | $142.96 | $128.51 - $157.09 |
| Q1 2023 | 204 | $0 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 100 | $0 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 94 | $25 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 15 | $3 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 15 | $3 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 2,500 | $599 | $257.12 | $221.72 - $290.76 |
| Q4 2020 | 5,000 | $1,224 | $259.08 | $223.25 - $363.92 |
| Q3 2019 | 13 | $3 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 88 | $20 | $230.90 | $219.20 - $245.35 |
| Q3 2018 | 28 | $9 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 342 | $99 | $281.15 | $249.17 - $310.91 |