MPM BioImpact LLC - Dec 31, 2024 SCHEDULE 13G Report for Compass Therapeutics, Inc. Common Stock, par value $0.001 per share (CMPX)

Filing Manager: MPM BioImpact LLC
Reporting Manager: MPM BioImpact LLC
Security: Compass Therapeutics, Inc. Common Stock, par value $0.001 per share
Symbol: CMPX
Shares outstanding: 138M shares
Disclosed Ownership: 8.57M shares
Ownership: 6.2%
Form type: SCHEDULE 13G
Date filed: 2/14/2025, 04:11 PM
Date of event: Dec 31, 2024
Next filing: Aug 12, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
MPM BioImpact LLC	6.2%	8.57M	8.57M	0	Christopher Wolf	Chief Financial Officer