Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2021 | 3,500 | $979 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 7,000 | $1,714 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 7,000 | $1,986 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 7,000 | $1,874 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 7,000 | $2,214 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 7,000 | $2,076 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 7,000 | $1,630 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 7,000 | $1,638 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 7,000 | $1,654 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 7,000 | $2,106 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 7,000 | $2,472 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 7,000 | $2,032 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 7,000 | $1,916 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 7,000 | $2,230 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 7,000 | $2,192 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 7,000 | $1,900 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 7,000 | $1,914 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 7,000 | $1,986 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 7,000 | $2,192 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 7,000 | $1,692 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 7,000 | $1,822 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 7,000 | $2,144 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 7,000 | $2,042 | $330.23 | $265.00 - $412.24 |