Quoin Pharmaceuticals, Ltd.
QNRX · Pharmaceutical Preparations · 3.35B shares · -86%/yr ↓ buyback · EDGAR filings ↗
Reference price $8.49 · est. market cap ~$28.5B — last insider purchase, 2025-10-14 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D42Clinical/early-stage biotech — rare-disease (dermatology) clinical micro-cap, funded.
Strengths
- Liquidity — current ratio 3.6 (48th)
Risks
- Pre-revenue, deep losses — per metrics
- Pre-revenue/clinical-stage — history of losses & need for capital per risk factors
- Binary clinical & funding risk — per 10-K
Notable findings
- Going concernBased on our current business plans and cash, cash equivalents and investments on hand, management has concluded that there is substantial doubt about our ability to continue as a going concern for a
- Buying back stockNet buyback — share count -86%/yr over 3y
- Notable holderHeld by 1 notable fund(s): CITADEL ADVISORS LLC (as of 2026-03-31)
Key metrics
Return on equity
-120.5%
Return on assets
-77.5%
Current ratio
3.6×
Tangible book value
$13M
Cash & investments
$19M
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2025-10-14 | LANGER DENNIS | Buy | 15K | $8.49 |
All non-derivative Form 4 activity (SEC), newest first.
Supply chain
Customers (0)
Suppliers (1)
Named in the 10-K; linked when we track them.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-23 | Reg FDOtherExhibits | filing ↗ |
| 2026-06-04 | Reg FDOtherExhibits | filing ↗ |
| 2026-05-07 | ResultsExhibits | filing ↗ |
| 2026-03-26 | ResultsExhibits | filing ↗ |
| 2026-03-11 | Reg FDOtherExhibits | filing ↗ |
| 2026-01-20 | Reg FDOtherExhibits | filing ↗ |
| 2025-11-17 | Exec/director changeExhibits | filing ↗ |
| 2025-11-12 | Reg FDOtherExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-23 | 2026-06-23 | 0001104659-26-076822 ↗ |
| 8-K | 2026-06-04 | 2026-06-04 | 0001104659-26-070501 ↗ |
| 10-Q | 2026-05-07 | 2026-03-31 | 0001104659-26-056941 ↗ |
| 8-K | 2026-05-07 | 2026-05-07 | 0001104659-26-057140 ↗ |
| 8-K | 2026-03-26 | 2026-03-26 | 0001104659-26-034951 ↗ |
| 10-K | 2026-03-26 | 2025-12-31 | 0001104659-26-035251 ↗ |
| 8-K | 2026-03-11 | 2026-03-11 | 0001104659-26-026410 ↗ |
| 8-K | 2026-01-20 | 2026-01-20 | 0001104659-26-005127 ↗ |
| 8-K | 2025-11-17 | 2025-11-14 | 0001104659-25-113237 ↗ |
| 8-K | 2025-11-12 | 2025-11-11 | 0001104659-25-109802 ↗ |
| 10-Q | 2025-11-06 | 2025-09-30 | 0001104659-25-107785 ↗ |
| 8-K | 2025-11-06 | 2025-11-06 | 0001104659-25-107747 ↗ |