BlackRock, Inc. - 31 Dec 2025 SCHEDULE 13G Report for Compass Therapeutics, Inc. Common Stock (CMPX)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: Compass Therapeutics, Inc. Common Stock
Symbol: CMPX
Shares outstanding: 178,300,846 shares
Disclosed Ownership: 9,271,644 shares
Ownership: 5.2%
Form type: SCHEDULE 13G
Filing time: 21 Jan 2026, 12:30:29 UTC
Date of event: 31 Dec 2025
Previous filing: 16 Jul 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	5.2%	9,271,644	9,138,337	0	Spencer Fleming	Managing Director