Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 8,400 | $2,909 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 8,000 | $2,238 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 8,500 | $2,411 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 8,500 | $2,411 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 7,500 | $2,007 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 7,500 | $2,373 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 7,500 | $2,225 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 7,500 | $1,754 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 7,500 | $1,754 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 6,100 | $1,442 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 7,100 | $2,137 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 7,100 | $2,509 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 8,100 | $2,351 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 8,100 | $2,218 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 7,700 | $2,453 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 7,700 | $2,411 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 7,700 | $2,089 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 7,700 | $2,105 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 7,700 | $2,184 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 7,700 | $2,410 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 7,700 | $1,862 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 7,700 | $2,004 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 9,000 | $2,757 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 11,000 | $3,210 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 5,600 | $2,262 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 5,600 | $2,365 | $394.14 | $334.40 - $480.18 |