Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2021 | 21,000 | $5,038 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 65,500 | $18,536 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 40,600 | $14,059 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 47,400 | $13,260 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 8,500 | $2,081 | $259.08 | $223.25 - $363.92 |
| Q2 2020 | 56,995 | $15,249 | $300.59 | $257.60 - $350.24 |
| Q4 2019 | 98,887 | $29,343 | $277.46 | $219.70 - $318.00 |
| Q1 2019 | 4,500 | $1,064 | $314.89 | $216.12 - $344.00 |
| Q2 2018 | 86,900 | $25,222 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 147,305 | $40,335 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 768,217 | $244,731 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 274,430 | $85,930 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 155,930 | $42,313 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 333,500 | $91,186 | $282.75 | $260.50 - $301.42 |
| Q3 2016 | 210,000 | $65,736 | $296.18 | $240.07 - $333.65 |
| Q2 2015 | 139,200 | $56,228 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 458,000 | $193,386 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 125,000 | $42,431 | $323.51 | $290.85 - $361.93 |