BAKER BROS. ADVISORS LP - 30 Jun 2025 SCHEDULE 13G/A Report for Cerus Corporation Common Stock, par value $0.001 per share (CERS)

Filing Manager
BAKER BROS. ADVISORS LP
Reporting Manager
Julian C. Baker
Security
Cerus Corporation Common Stock, par value $0.001 per share
Symbol
CERS
Shares outstanding
189,760,412 shares
Disclosed Ownership
12,903,708 shares
Ownership
6.8%
Form type
SCHEDULE 13G/A
Filing time
14 Aug 2025, 16:26:01 UTC
Date of event
30 Jun 2025
Next filing
14 Nov 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Baker Bros. Advisors LP 6.7% 12,883,844 12,883,844 0 /s/ Scott L. Lessing Scott L. Lessing/ President, Baker Bros. Advisors (GP) LLC, its general partner
Baker Bros. Advisors (GP) LLC 6.7% 12,883,844 12,883,844 0 /s/ Scott L. Lessing Scott L. Lessing/ President
Julian C. Baker 6.8% 12,903,708 12,903,708 0 /s/ Julian C. Baker Julian C. Baker
Felix J. Baker 6.8% 12,903,708 12,903,708 0 /s/ Felix J. Baker Felix J. Baker