Schedule 13D ownership disclosure

Compass Therapeutics Inc

COMMON STOCK · CUSIP: 20454B104

Event date: 2025-08-13

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • ORBIMED ADVISORS LLCReported CIK 0001055951

    Shares: 15,219,994.00 · Class: 8.9%

  • ORBIMED CAPITAL GP V LLCReported CIK 0001615374

    Shares: 15,219,994.00 · Class: 8.9%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000947871-25-000785
Form type
SCHEDULE 13D/A
Filer
Compass Therapeutics, Inc.
CIK
CIK 1738021
Filed
Aug 15, 2025
Reporting period
Aug 13, 2025
Description
Schedule 13D beneficial ownership

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