Reporting Manager
Nantahala Capital Management, LLC
Symbol
VSTM
Shares outstanding
54,647,427 shares
Disclosed Ownership
5,459,278 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 16:39:45 UTC
Date of event
31 Mar 2025
Previous filing
14 Feb 2025
Next filing
14 Nov 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Nantahala Capital Management, LLC 10% 5,459,278 0 5,459,278 /s/ Taki Vasilakis Taki Vasilakis / Chief Compliance Officer
Wilmot B. Harkey 10% 5,459,278 0 5,459,278 /s/ Wilmot B. Harkey Wilmot B. Harkey
Daniel Mack 10% 5,459,278 0 5,459,278 /s/ Daniel Mack Daniel Mack