Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 794 | $225 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 794 | $275 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 794 | $222 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 8,364 | $2,373 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 8,468 | $2,266 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 8,186 | $2,590 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 8,194 | $2,431 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 2,586 | $602 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 2,747 | $642 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 5,055 | $1,195 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 5,240 | $1,851 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 5,240 | $1,851 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 5,240 | $1,521 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 5,580 | $1,528 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 5,810 | $1,851 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 5,860 | $1,835 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 5,960 | $1,617 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 6,610 | $1,807 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 12,828 | $3,638 | $296.43 | $268.00 - $329.83 |