Quick Takeaways
- Venrock Healthcare Capital Partners III, L.P. filed SCHEDULE 13G/A for Tenax Therapeutics, Inc. Common Stock, $0.0001 par value per share (TENX).
- Disclosed ownership: 9.9%.
- Date of event: 31 Dec 2025.
Venrock Healthcare Capital Partners III, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for Tenax Therapeutics, Inc. Common Stock, $0.0001 par value per share (TENX)
- Filing Manager
- Venrock Healthcare Capital Partners III, L.P.
- Reporting Manager
- Venrock Healthcare Capital Partners III, L.P.
- Symbol
- TENX
- Shares outstanding
- 6,999,586 shares
- Disclosed Ownership
- 692,959 shares
- Ownership
- 9.9%
- Form type
- SCHEDULE 13G/A
- Filing time
- 17 Feb 2026, 18:20:21 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 14 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Venrock Healthcare Capital Partners III, L.P. disclosed 9.9% ownership in Tenax Therapeutics, Inc. Common Stock, $0.0001 par value per share (TENX) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 14 Nov 2025.
- Current filing was accepted on 17 Feb 2026, 18:20.
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 (7)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Venrock Healthcare Capital Partners III, L.P. | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By VHCP Management III, LLC, its General Partner, By Sherman G. Souther, Authorized Signatory | |
| VHCP Co-Investment Holdings III, LLC | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By VHCP Management III, LLC, its Manager, By Sherman G. Souther, Authorized Signatory | |
| Venrock Healthcare Capital Partners EG, L.P. | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By VHCP Management EG, LLC, its General Partner, By Sherman G. Souther, Authorized Signatory | |
| VHCP Management III, LLC | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By Sherman G. Souther, Authorized Signatory | |
| VHCP Management EG, LLC | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By Sherman G. Souther, Authorized Signatory | |
| Nimish Shah | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By Sherman G. Souther, Attorney-in-fact | |
| Bong Y. Koh | 9.9% | 692,959 | 0 | 692,959 | /s/ Sherman G. Souther | By Sherman G. Souther, Attorney-in-fact |