Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2023 | 11 | $0 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 20 | $0 | $276.70 | $254.80 - $295.90 |
| Q2 2022 | 44 | $9 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 44 | $9 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 30 | $7 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 30 | $8 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 74 | $26 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 40 | $11 | $269.69 | $238.40 - $296.38 |
| Q4 2018 | 4,701 | $1,415 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 9,303 | $3,287 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 30,412 | $8,827 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 49,580 | $13,576 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 50,224 | $16,000 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 57,574 | $18,027 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 61,508 | $16,691 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 54,337 | $14,857 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 40,828 | $11,578 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 53,404 | $16,717 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 93,257 | $22,552 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 102,491 | $26,681 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 113,151 | $34,664 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 116,944 | $34,125 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 102,637 | $41,460 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 59,347 | $25,059 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 66,882 | $22,703 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 89,368 | $29,563 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 77,954 | $24,579 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 95,050 | $29,073 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 91,635 | $25,635 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 89,107 | $21,453 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 88,365 | $19,016 | $213.68 | $191.80 - $242.64 |