Reporting Manager
BVF PARTNERS L P/IL
Symbol
VSTM
Shares outstanding
47.1M shares
Disclosed Ownership
4.71M shares
Ownership
9.99%
Form type
SCHEDULE 13G/A
Filing time
14 Feb 2025, 16:26:07 UTC
Date of event
31 Dec 2024
Next filing
13 Aug 2025

Reporting Managers (10)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 6% 2.79M 0 2.79M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF I GP LLC 6% 2.79M 0 2.79M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BIOTECHNOLOGY VALUE FUND II LP 3.8% 1.7M 0 1.7M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF II GP LLC 3.8% 1.7M 0 1.7M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
Biotechnology Value Trading Fund OS LP 0.4% 183K 0 183K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF Partners OS Ltd. 0.4% 183K 0 183K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF GP HOLDINGS LLC 9.5% 4.49M 0 4.49M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF PARTNERS L P/IL 9.99% 4.71M 0 4.71M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
BVF INC/IL 9.99% 4.71M 0 4.71M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory
LAMPERT MARK N 9.99% 4.71M 0 4.71M /s/ Mark N. Lampert Mark N. Lampert