Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2023 | 5,850 | $1,626 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 5,400 | $1,495 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 7,050 | $1,882 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 8,850 | $1,805 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 7,650 | $1,611 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 5,200 | $1,248 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 4,450 | $1,259 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,900 | $658 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 2,573,700 | $9,200 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 10,700 | $2,620,002 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 11,550 | $3,276,504 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 11,550 | $3,090,203 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 10,650 | $3,369,447 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 14,650 | $3,410,813 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 14,650 | $3,410,813 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 13,250 | $3,098,778 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 8,250 | $1,950,135 | $314.89 | $216.12 - $344.00 |