Tang Capital Management Llc - Sep 30, 2025 SCHEDULE 13G/A Report for Compass Therapeutics, Inc. Common Stock, par value $0.0001 per share (CMPX)

Filing Manager
TANG CAPITAL MANAGEMENT LLC
Reporting Manager
TANG CAPITAL MANAGEMENT, LLC
Security
Compass Therapeutics, Inc. Common Stock, par value $0.0001 per share
Symbol
CMPX
Shares outstanding
172M shares
Disclosed Ownership
17.2M shares
Ownership
9.99%
Form type
SCHEDULE 13G/A
Date filed
11/14/2025, 04:17 PM
Date of event
Sep 30, 2025
Previous filing
Aug 14, 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
TANG CAPITAL MANAGEMENT, LLC 9.99% 17.2M 0 17.2M /s/ Kevin Tang Manager
KEVIN TANG 9.99% 17.2M 0 17.2M /s/ Kevin Tang Self
TANG CAPITAL PARTNERS, LP 5.98% 10.3M 0 10.3M /s/ Kevin Tang Manager, Tang Capital Management, LLC, General Partner
TANG CAPITAL PARTNERS INTERNATIONAL, LP 3.24% 5.57M 0 5.57M /s/ Kevin Tang Manager, Tang Capital Management, LLC, General Partner
TANG CAPITAL PARTNERS III, INC 0.58% 1M 0 1M /s/ Kevin Tang Chief Executive Officer
TANG CAPITAL PARTNERS IV, INC 0.19% 333K 0 333K /s/ Kevin Tang Chief Executive Officer