Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2020 | 4,670 | $1 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 35,735 | $11 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 108,845 | $25 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 107,206 | $25 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 87,231 | $21 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 135,222 | $41 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 129,635 | $46 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 109,887 | $32 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 106,427 | $29 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 95,023 | $30 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 92,158 | $28,857 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 74,412 | $20,192 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 58,433 | $15,977 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 71,824 | $20,368 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 61,711 | $19,317 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 60,221 | $14,563 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 74,731 | $19,454 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 127,930 | $39,191 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 138,054 | $40,286 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 198,808 | $80,307 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 182,196 | $76,930 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 186,550 | $63,324 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 194,371 | $64,300 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 175,202 | $55,243 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 164,293 | $50,252 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 213,760 | $66,830 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 241,167 | $58,063 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 146,678 | $31,565 | $213.68 | $191.80 - $242.64 |