Orbimed Advisors Llc - Aug 13, 2025 SCHEDULE 13D/A Report for Compass Therapeutics, Inc. COMMON STOCK (CMPX)

Filing Manager
Orbimed Advisors Llc
Reporting Manager
ORBIMED ADVISORS LLC
Security
Compass Therapeutics, Inc. COMMON STOCK
Symbol
CMPX
Shares outstanding
171M shares
Disclosed Ownership
15.2M shares
Ownership
8.9%
Form type
SCHEDULE 13D/A
Date filed
8/15/2025, 05:28 PM
Date of event
Aug 13, 2025
Previous filing
Apr 11, 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ORBIMED ADVISORS LLC 8.9% 15.2M 0 15.2M /s/ Carl L. Gordon Carl L. Gordon/Member 0001055951
ORBIMED CAPITAL GP V LLC 8.9% 15.2M 0 15.2M /s/ Carl L. Gordon Carl L. Gordon/Member of OrbiMed Advisors LLC 0001615374