Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 1,050 | $294 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,050 | $257 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,050 | $298 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,050 | $281 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,050 | $332 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,150 | $341 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 1,165 | $271 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,165 | $272 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,180 | $279 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 2,350 | $707 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 1,950 | $689 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 2,650 | $769 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 1,550 | $424 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 1,550 | $494 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 2,120 | $664 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 2,150 | $583 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 2,150 | $588 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,200 | $624 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,405 | $753 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,205 | $533 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 2,205 | $574 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 2,905 | $890 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 2,715 | $792 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 2,615 | $1,056 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 2,475 | $1,045 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 2,425 | $823 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 2,410 | $797 | $329.72 | $298.31 - $349.00 |