Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2022 | 1,000 | $277 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 1,000 | $267 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 1,000 | $204 | $204.43 | $187.16 - $225.50 |
| Q4 2021 | 1,228 | $295 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 1,228 | $348 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,228 | $425 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 4,583 | $1,282 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 5,333 | $1,306 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 7,212 | $2,046 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 7,164 | $1,917 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 7,422 | $2,348 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 6,937 | $2,058 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 7,258 | $1,690 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 7,196 | $1,683 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 7,025 | $1,661 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 6,834 | $2,056 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 6,679 | $2,360 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 6,934 | $2,013 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 6,951 | $1,903 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 6,958 | $2,217 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 6,545 | $2,049 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 6,287 | $1,706 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 6,372 | $1,742 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 5,782 | $1,640 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 5,668 | $1,774 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 6,190 | $1,497 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 5,765 | $1,501 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 5,151 | $1,578 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 6,347 | $1,852 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 5,893 | $2,380 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 6,223 | $2,628 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 5,950 | $2,020 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,991 | $659 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 2,004 | $632 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 5,782 | $1,769 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 2,143 | $600 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 784 | $189 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 656 | $141 | $213.68 | $191.80 - $242.64 |