Reporting Manager
Venrock Healthcare Capital Partners III, L.P.
Symbol
CYBN
Shares outstanding
51,630,424 shares
Disclosed Ownership
5,111,412 shares
Ownership
9.9%
Form type
SCHEDULE 13G
Filing time
07 Nov 2025, 16:38:30 UTC
Date of event
31 Oct 2025

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Venrock Healthcare Capital Partners III, L.P. 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By VHCP Management III, LLC, its General Partner, By Sherman G. Souther, Authorized Signatory
VHCP Co-Investment Holdings III, LLC 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By VHCP Management III, LLC, its Manager, By Sherman G. Souther, Authorized Signatory
Venrock Healthcare Capital Partners EG, L.P. 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By VHCP Management EG, LLC, its General Partner, By Sherman G. Souther, Authorized Signatory
VHCP Management III, LLC 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By Sherman G. Souther, Authorized Signatory
VHCP Management EG, LLC 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By Sherman G. Souther, Authorized Signatory
Nimish Shah 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By Sherman G. Souther, Attorney-in-fact
Bong Y. Koh 9.9% 5,111,412 0 5,111,412 /s/ Sherman G. Souther By Sherman G. Souther, Attorney-in-fact