Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2023 | 800 | $207 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 800 | $206 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 800 | $228 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 800 | $222 | $276.70 | $254.80 - $295.90 |
| Q4 2021 | 914 | $219 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 956 | $271 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,169 | $405 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,060 | $297 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,060 | $260 | $259.08 | $223.25 - $363.92 |
| Q1 2020 | 927 | $293 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 927 | $275 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 950 | $221 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,023 | $239 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 975 | $230 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 1,020 | $307 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 1,020 | $360 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 995 | $289 | $281.15 | $249.17 - $310.91 |
| Q4 2017 | 636 | $203 | $320.80 | $301.81 - $348.84 |