BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

CLARK ESTATES INC/NY's Holding History (CIK: 0001056466)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 15,300 Value ($000) $2,693 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 15,300 Value ($000) $2,143 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 15,300 Value ($000) $1,922 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 11,796 Value ($000) $1,614 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 16,300 Value ($000) $2,493 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 16,150 Value ($000) $3,131 Avg Close $209.21 Range $188.78 - $238.00
Q3 2021
Shares 8,100 Value ($000) $2,292 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 8,100 Value ($000) $2,805 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 19,600 Value ($000) $5,483 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 8,900 Value ($000) $2,179 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 8,900 Value ($000) $2,525 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 8,900 Value ($000) $2,381 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 13,500 Value ($000) $4,271 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 13,500 Value ($000) $4,006 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 13,500 Value ($000) $3,143 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 13,500 Value ($000) $3,157 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 13,500 Value ($000) $3,191 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 13,500 Value ($000) $4,062 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 13,500 Value ($000) $4,770 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 13,500 Value ($000) $3,918 Avg Close $281.15 Range $249.17 - $310.91