Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 1,475 | $413 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,475 | $361 | $259.08 | $223.25 - $363.92 |
| Q4 2019 | 2,500 | $742 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 5,105 | $1,189 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 5,180 | $1,211 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 2,540 | $600 | $314.89 | $216.12 - $344.00 |
| Q4 2017 | 200 | $64 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 225 | $70 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 750 | $204 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 750 | $205 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 800 | $227 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 800 | $250 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,350 | $326 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 1,400 | $364 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 1,500 | $460 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 1,645 | $480 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 2,770 | $1,119 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 2,795 | $1,180 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 2,575 | $874 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,605 | $531 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 241 | $76 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 201 | $61 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 126 | $35 | $258.65 | $221.07 - $298.82 |