Biotechnology Value Fund L P - Aug 11, 2025 SCHEDULE 13G/A Report for Verastem, Inc. Common Stock, $0.0001 par value per share (VSTM)

Filing Manager
BIOTECHNOLOGY VALUE FUND L P
Reporting Manager
BVF PARTNERS L P/IL
Security
Verastem, Inc. Common Stock, $0.0001 par value per share
Symbol
VSTM
Shares outstanding
64.1M shares
Disclosed Ownership
2.5M shares
Ownership
3.9%
Form type
SCHEDULE 13G/A
Date filed
8/13/2025, 05:03 PM
Date of event
Aug 11, 2025
Previous filing
Aug 13, 2025
SEC
View on sec.gov

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 2.2% 1.4M 0 1.4M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 2.2% 1.4M 0 1.4M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 1.5% 933K 0 933K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 1.5% 933K 0 933K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.2% 100K 0 100K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.2% 100K 0 100K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 3.6% 2.33M 0 2.33M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 3.9% 2.5M 0 2.5M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 3.9% 2.5M 0 2.5M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 3.9% 2.5M 0 2.5M /s/ Mark N. Lampert Mark N. Lampert