Filing Manager
Alta Partners LLC
Reporting Manager
Alta Partners LLC
Symbol
BSLK
Shares outstanding
2,122,565 shares
Disclosed Ownership
48,819 shares
Ownership
2.3%
Form type
SCHEDULE 13G/A
Filing time
10 Oct 2025, 16:29:01 UTC
Date of event
30 Sep 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Alta Partners LLC 2.3% 48,819 48,819 0 /s/ Steven Cohen Steven Cohen, Managing Member