Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 1,093 | $306 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,461 | $358 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 834 | $237 | $278.91 | $261.87 - $312.00 |
| Q1 2020 | 722 | $228 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 734 | $218 | $277.46 | $219.70 - $318.00 |
| Q3 2018 | 646 | $228 | $344.30 | $288.13 - $388.67 |
| Q4 2017 | 631 | $201 | $320.80 | $301.81 - $348.84 |
| Q3 2016 | 697 | $218 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 941 | $228 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 864 | $225 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 749 | $229 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 792 | $231 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 744 | $301 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 699 | $295 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 627 | $213 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 654 | $216 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 654 | $206 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 763 | $237 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 763 | $213 | $258.65 | $221.07 - $298.82 |