ACUMEN PHARMACEUTICALS INC

Ticker: ABOS CUSIP: 00509G209 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 169,505 Value ($000) $358 Avg Close $1.98 Range $1.50 - $2.46

Q3 2025

Shares 174,690 Value ($000) $299 Avg Close $1.38 Range $1.10 - $1.82

Q2 2025

Shares 291,957 Value ($000) $339 Avg Close $1.07 Range $0.85 - $1.31

Q1 2025

Shares 2,331,049 Value ($000) $2,564 Avg Close $1.43 Range $1.06 - $1.95

Q4 2024

Shares 2,372,047 Value ($000) $4,080 Avg Close $2.41 Range $1.69 - $3.36

Q3 2024

Shares 2,331,530 Value ($000) $5,782 Avg Close $2.71 Range $2.15 - $3.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	169,505	$358	$1.98	$1.50 - $2.46
Q3 2025	174,690	$299	$1.38	$1.10 - $1.82
Q2 2025	291,957	$339	$1.07	$0.85 - $1.31
Q1 2025	2,331,049	$2,564	$1.43	$1.06 - $1.95
Q4 2024	2,372,047	$4,080	$2.41	$1.69 - $3.36
Q3 2024	2,331,530	$5,782	$2.71	$2.15 - $3.60