ACUMEN PHARMACEUTICALS INC

Ticker: ABOS CUSIP: 00509G209 Class: Common Stock

FMR LLC's Holding History (CIK: 0000315066)

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

Q4 2025
Shares 2,027,497 Value ($000) $4,278 Avg Close $1.98 Range $1.50 - $2.46
Q3 2025
Shares 2,029,325 Value ($000) $3,470 Avg Close $1.38 Range $1.10 - $1.82
Q2 2025
Shares 2,029,736 Value ($000) $2,354 Avg Close $1.07 Range $0.85 - $1.31
Q1 2025
Shares 2,025,623 Value ($000) $2,228 Avg Close $1.43 Range $1.06 - $1.95
Q4 2024
Shares 2,023,760 Value ($000) $3,481 Avg Close $2.41 Range $1.69 - $3.36
Q3 2024
Shares 2,028,117 Value ($000) $5,030 Avg Close $2.71 Range $2.15 - $3.60
Q2 2024
Shares 2,022,103 Value ($000) $4,893 Avg Close $3.18 Range $2.08 - $4.06
Q1 2024
Shares 2,089,000 Value ($000) $8,460 Avg Close $3.77 Range $2.90 - $5.09
Q3 2023
Shares 657 Value ($000) $3 Avg Close $6.18 Range $4.00 - $11.31
Q2 2023
Shares 477 Value ($000) $2 Avg Close $4.79 Range $3.52 - $6.67
Q1 2023
Shares 679 Value ($000) $3 Avg Close $5.22 Range $3.74 - $6.83
Q4 2022
Shares 899 Value ($000) $5 Avg Close $6.72 Range $4.58 - $10.68
Q3 2022
Shares 899 Value ($000) $9 Avg Close $5.74 Range $4.09 - $10.97
Q2 2022
Shares 899 Value ($000) $4 Avg Close $3.76 Range $3.02 - $5.03
Q1 2022
Shares 1,838 Value ($000) $7 Avg Close $5.44 Range $3.84 - $7.04
Q4 2021
Shares 13,300 Value ($000) $90 Avg Close $10.99 Range $6.20 - $15.64
Q3 2021
Shares 107,100 Value ($000) $1,592 Avg Close $16.64 Range $13.95 - $26.98