Quick Takeaways
- Stonepine Capital Management, LLC filed SCHEDULE 13G/A for Quoin Pharmaceuticals, Ltd. Ordinary Shares (QNRX).
- Disclosed ownership: 11%.
- Date of event: 29 Jan 2026.
Stonepine Capital Management, LLC - 29 Jan 2026 SCHEDULE 13G/A Report for Quoin Pharmaceuticals, Ltd. Ordinary Shares (QNRX)
- Filing Manager
- Stonepine Capital Management, LLC
- Reporting Manager
- Stonepine Capital Management, LLC
- Symbol
- QNRX
- Shares outstanding
- 30,859,434 shares
- Disclosed Ownership
- 3,271,100 shares
- Ownership
- 11%
- Form type
- SCHEDULE 13G/A
- Filing time
- 02 Feb 2026, 20:01:42 UTC
- Date of event
- 29 Jan 2026
- Previous filing
- 16 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Stonepine Capital Management, LLC disclosed 11% ownership in Quoin Pharmaceuticals, Ltd. Ordinary Shares (QNRX) on 29 Jan 2026."
What Changed
- Previous schedule filing date: 16 Dec 2025.
- Current filing was accepted on 02 Feb 2026, 20:01.
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 (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Stonepine Capital Management, LLC | 11% | 3,271,100 | 0 | 3,271,100 | /s/ Jon M. Plexico | Managing Member | |
| Stonepine Capital, L.P. | 11% | 3,271,100 | 0 | 3,271,100 | /s/ Jon M. Plexico | Managing Member of the General Partner, Stonepine GP, LLC | |
| Stonepine GP, LLC | 11% | 3,271,100 | 0 | 3,271,100 | /s/ Jon M. Plexico | Managing Member | |
| Jon M. Plexico | 11% | 3,271,100 | 0 | 3,271,100 | /s/ Jon M. Plexico | Reporting person |