Quick Takeaways
- TANG CAPITAL MANAGEMENT LLC filed SCHEDULE 13G/A for Compass Therapeutics, Inc. Common Stock, par value $0.0001 per share (CMPX).
- Disclosed ownership: 9.8%.
- Date of event: 30 Jun 2025.
TANG CAPITAL MANAGEMENT LLC - 30 Jun 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
- Symbol
- CMPX
- Shares outstanding
- 137,716,408 shares
- Disclosed Ownership
- 13,496,208 shares
- Ownership
- 9.8%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 Aug 2025, 16:15:07 UTC
- Date of event
- 30 Jun 2025
- Previous filing
- 15 May 2025
- Next filing
- 14 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"TANG CAPITAL MANAGEMENT LLC disclosed 9.8% ownership in Compass Therapeutics, Inc. Common Stock, par value $0.0001 per share (CMPX) on 30 Jun 2025."
What Changed
- Previous schedule filing date: 15 May 2025.
- Current filing was accepted on 14 Aug 2025, 16:15.
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.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (6)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| TANG CAPITAL MANAGEMENT, LLC | 9.8% | 13,496,208 | 0 | 13,496,208 | /s/ Kevin Tang | Manager | |
| KEVIN TANG | 9.8% | 13,496,208 | 0 | 13,496,208 | /s/ Kevin Tang | Self | |
| TANG CAPITAL PARTNERS, LP | 4.9% | 6,765,438 | 0 | 6,765,438 | /s/ Kevin Tang | Manager, Tang Capital Management, LLC, General Partner | |
| TANG CAPITAL PARTNERS INTERNATIONAL, LP | 3.9% | 5,397,770 | 0 | 5,397,770 | /s/ Kevin Tang | Manager, Tang Capital Management, LLC, General Partner | |
| TANG CAPITAL PARTNERS III, INC | 0.7% | 999,750 | 0 | 999,750 | /s/ Kevin Tang | Chief Executive Officer | |
| TANG CAPITAL PARTNERS IV, INC | 0.3% | 333,250 | 0 | 333,250 | /s/ Kevin Tang | Chief Executive Officer |