RA CAPITAL MANAGEMENT, L.P. - Mar 27, 2025 Form SCHEDULE 13D/A Schedule Report for Acumen Pharmaceuticals, Inc. (ABOS)

Filing Manager
RA CAPITAL MANAGEMENT, L.P.
Reporting Manager
RA Capital Management, L.P.
Security
Acumen Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share
Symbol
ABOS
Shares outstanding
60.5M shares
Disclosed Ownership
15M shares
Ownership
24.8%
Form type
SCHEDULE 13D/A
Date filed
3/31/2025, 04:57 PM
Date of event
Mar 27, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 24.8% 15M 0 15M /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory 0001346824
Peter Kolchinsky 24.8% 15M 0 15M /s/ Peter Kolchinsky Peter Kolchinsky 0001384859
Rajeev Shah 24.8% 15M 0 15M /s/ Rajeev Shah Rajeev Shah 0001619841
RA Capital Healthcare Fund, L.P. 21.5% 13M 0 13M /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager 0001315082