Quick Takeaways
- ORBIMED ADVISORS LLC filed SCHEDULE 13D/A for Compass Therapeutics, Inc. COMMON STOCK (CMPX).
- Disclosed ownership: 8.9%.
- Date of event: 13 Aug 2025.
ORBIMED ADVISORS LLC - 13 Aug 2025 SCHEDULE 13D/A Report for Compass Therapeutics, Inc. COMMON STOCK (CMPX)
- Filing Manager
- ORBIMED ADVISORS LLC
- Reporting Manager
- ORBIMED ADVISORS LLC
- Symbol
- CMPX
- Shares outstanding
- 171,011,169 shares
- Disclosed Ownership
- 15,219,994 shares
- Ownership
- 8.9%
- Form type
- SCHEDULE 13D/A
- Filing time
- 15 Aug 2025, 17:28:04 UTC
- Date of event
- 13 Aug 2025
- Previous filing
- 11 Apr 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"ORBIMED ADVISORS LLC disclosed 8.9% ownership in Compass Therapeutics, Inc. COMMON STOCK (CMPX) on 13 Aug 2025."
What Changed
- Previous schedule filing date: 11 Apr 2025.
- Current filing was accepted on 15 Aug 2025, 17:28.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| ORBIMED ADVISORS LLC | 8.9% | 15,219,994 | 0 | 15,219,994 | /s/ Carl L. Gordon | Carl L. Gordon/Member | 0001055951 |
| ORBIMED CAPITAL GP V LLC | 8.9% | 15,219,994 | 0 | 15,219,994 | /s/ Carl L. Gordon | Carl L. Gordon/Member of OrbiMed Advisors LLC | 0001615374 |