Quoin Pharmaceuticals, Ltd.
QNRXHealthcare|Biotechnology|US
$3.65
-0.20 (-5.19%)
DCF Value
$2547.50
Tangible Book / Share
$5.63
Cash / Share
$2.00
Ownership Breakdown
71.8%
Float
2.0M
Shares Outstanding
1.4M
Float Shares
Major Holders (25)
Combined: 138.6%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Stonepine Capital, L.P. | Partnership | 9.99% | 7,594,166 | May 15, 2026 | 13D/G |
| Stonepine Capital Management, LLC | IA, OO | 9.99% | 7,594,166 | May 15, 2026 | 13D/G |
| Jon M. Plexico | HC, IN | 9.99% | 7,594,166 | May 15, 2026 | 13D/G |
| Stonepine GP, LLC | Other | 9.99% | 7,594,166 | May 15, 2026 | 13D/G |
| Resolute Capital Asset Partners Fund I LP | PN, OO | 8.50% | 50,000 | Dec 11, 2025 | 13D/G |
| Resolute Capital Asset Partners LLC | Investment adviser | 8.50% | 50,000 | Dec 11, 2025 | 13D/G |
| Integrated Core Strategies (US) LLC | Other | 5.50% | 3,850,385 | Jun 2, 2026 | 13D/G |
| Israel A. Englander | Individual | 5.50% | 3,850,385 | Jun 2, 2026 | 13D/G |
| Millennium Group Management LLC | Other | 5.50% | 3,850,385 | Jun 2, 2026 | 13D/G |
| Millennium Management LLC | Other | 5.50% | 3,850,385 | Jun 2, 2026 | 13D/G |
| Steven Boyd | HC, IN | 4.99% | 1,081,183 | May 15, 2025 | 13D/G |
| Armistice Capital, LLC | IA, OO | 4.99% | 1,081,183 | May 15, 2025 | 13D/G |
| ADAR1 Capital Management, LLC | IA, OO | 4.90% | 102,846 | May 15, 2026 | 13D/G |
| ADAR1 Capital Management GP, LLC | Other | 4.90% | 102,883 | May 15, 2026 | 13D/G |
| Daniel Schneeberger | HC, IN | 4.90% | 102,846 | May 15, 2026 | 13D/G |
| Michael Myers | Individual | 4.90% | 939,230 | Jan 28, 2025 | 13D/G |
| Denise Carter | Individual | 4.90% | 939,238 | Jan 28, 2025 | 13D/G |
| Neil Shahrestani | HC, IN | 4.40% | 211,538 | Oct 7, 2026 | 13D/G |
| Ikarian Capital, LLC | Investment adviser | 4.40% | 211,538 | Oct 7, 2026 | 13D/G |
| Woodline Partners LP | IA, PN | 4.40% | 2,785,370 | May 15, 2026 | 13D/G |
| Aberdeen Group plc | Holding company | 4.16% | 75,000 | Apr 29, 2026 | 13D/G |
| abrdn Inc. | IA, CO | 4.16% | 75,000 | Apr 29, 2026 | 13D/G |
| Lind Global Partners II LLC | Other | 1.20% | 62,500 | Nov 14, 2024 | 13D/G |
| Lind Global Fund II LP | Partnership | 1.20% | 62,500 | Nov 14, 2024 | 13D/G |
| Jeff Easton | Individual | 1.20% | 62,500 | Nov 14, 2024 | 13D/G |
Insider Trades (100)
Last 4 quarters: 1,064,161 acquired · 0 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| LANGER DENNIS | director: | Aug 27, 2026 | OTHER | 0 | — | — | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Aug 31, 2026 | BUY | 20,490 | $4.88 | $100.0K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Aug 31, 2026 | BUY | 10,245 | $6.10 | $62.5K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Aug 31, 2026 | BUY | 20,490 | $4.88 | $100.0K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Aug 31, 2026 | BUY | 10,245 | $6.10 | $62.5K | Form 4 |
| Lawlor Sally Bridget | Chief Financial Officer | Aug 31, 2026 | BUY | 10,244 | $4.88 | $50.0K | Form 4 |
| Lawlor Sally Bridget | Chief Financial Officer | Aug 31, 2026 | BUY | 5,122 | $6.10 | $31.2K | Form 4 |
| Culverwell Anthony James | director | Aug 31, 2026 | BUY | 6,146 | $4.88 | $30.0K | Form 4 |
| Culverwell Anthony James | director | Aug 31, 2026 | BUY | 3,073 | $6.10 | $18.7K | Form 4 |
| LANGER DENNIS | director | Aug 27, 2026 | AWARD | 34,534 | $5.15 | $177.9K | Form 4 |
| Culverwell Anthony James | director | Aug 27, 2026 | AWARD | 31,352 | $5.15 | $161.5K | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner: | Mar 26, 2026 | OTHER | 0 | — | — | Form 4 |
| Lawlor Sally Bridget | Chief Financial Officer | Feb 4, 2026 | AWARD | 85,250 | $7.37 | $628.3K | Form 4 |
| Cooper Joseph Patrick | director | Feb 4, 2026 | AWARD | 8,141 | $7.37 | $60.0K | Form 4 |
| Culverwell Anthony James | director | Feb 4, 2026 | AWARD | 21,709 | $7.37 | $160.0K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Feb 4, 2026 | AWARD | 318,750 | $7.37 | $2.3M | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Feb 4, 2026 | AWARD | 318,750 | $7.37 | $2.3M | Form 4 |
| LANGER DENNIS | director | Feb 4, 2026 | AWARD | 21,709 | $7.37 | $160.0K | Form 4 |
| SEMBER MICHAEL T | director | Feb 4, 2026 | AWARD | 8,141 | $7.37 | $60.0K | Form 4 |
| Leong Natalie Ee Mun | director | Feb 4, 2026 | AWARD | 12,211 | $7.37 | $90.0K | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner | Jan 29, 2026 | OTHER | 0 | — | — | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner | Jan 29, 2026 | OTHER | 81,212 | $0.00 | $8.12 | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner | Jan 29, 2026 | OTHER | 121,212 | $9.07 | $1.1M | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner | Jan 29, 2026 | OTHER | 121,212 | $10.31 | $1.2M | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner | Jan 29, 2026 | OTHER | 121,212 | $12.38 | $1.5M | Form 4 |
| Stonepine Capital Management, LLC | 10 percent owner | Jan 29, 2026 | OTHER | 121,212 | $12.38 | $1.5M | Form 4 |
| Lawlor Sally Bridget | Chief Financial Officer | Dec 1, 2025 | AWARD | 10,330 | $19.36 | $200.0K | Form 4 |
| LANGER DENNIS | director | Oct 14, 2025 | BUY | 15,152 | $8.49 | $128.6K | Form 4 |
| LANGER DENNIS | director | Oct 14, 2025 | BUY | 15,152 | $10.31 | $156.3K | Form 4 |
| LANGER DENNIS | director | Oct 14, 2025 | BUY | 15,152 | $12.38 | $187.5K | Form 4 |
| LANGER DENNIS | director | Oct 14, 2025 | BUY | 15,152 | $12.38 | $187.5K | Form 4 |
| LANGER DENNIS | director | Oct 14, 2025 | BUY | 15,152 | $9.07 | $137.5K | Form 4 |
| Lawlor Sally Bridget | CHIEF FINANCIAL OFFICER | Aug 18, 2025 | OTHER | 0 | — | — | Form 4 |
| Leong Natalie Ee Mun | director | Aug 21, 2025 | AWARD | 4,105 | $9.07 | $37.2K | Form 4 |
| Culverwell Anthony James | director | Aug 21, 2025 | AWARD | 13,682 | $9.07 | $124.1K | Form 4 |
| LANGER DENNIS | director | Aug 21, 2025 | AWARD | 13,682 | $9.07 | $124.1K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | May 29, 2025 | AWARD | 42,857 | $9.07 | $388.7K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | May 29, 2025 | AWARD | 42,857 | $9.07 | $388.7K | Form 4 |
| Culverwell Anthony James | director | May 29, 2025 | AWARD | 7,760 | $9.07 | $70.4K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | May 29, 2025 | AWARD | 42,039 | $9.07 | $381.3K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | May 29, 2025 | AWARD | 42,039 | $9.07 | $381.3K | Form 4 |
| Leong Natalie Ee Mun | director | May 29, 2025 | AWARD | 7,760 | $9.07 | $70.4K | Form 4 |
| LANGER DENNIS | director | May 29, 2025 | AWARD | 7,760 | $9.07 | $70.4K | Form 4 |
| Cooper Joseph Patrick | director | May 29, 2025 | AWARD | 7,760 | $9.07 | $70.4K | Form 4 |
| SEMBER MICHAEL T | director | May 29, 2025 | AWARD | 7,760 | $9.07 | $70.4K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Dec 23, 2024 | BUY | 555,556 | $0.45 | $250.0K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Dec 23, 2024 | BUY | 555,556 | $0.45 | $250.0K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Dec 23, 2024 | BUY | 555,556 | $0.45 | $250.0K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Dec 23, 2024 | BUY | 555,556 | $0.45 | $250.0K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Dec 23, 2024 | BUY | 555,556 | $0.45 | $250.0K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Dec 23, 2024 | BUY | 555,556 | $0.45 | $250.0K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Dec 23, 2024 | BUY | 122,221 | $0.45 | $55.0K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Dec 23, 2024 | BUY | 122,221 | $0.45 | $55.0K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Dec 23, 2024 | BUY | 122,221 | $0.45 | $55.0K | Form 4 |
| Culverwell Anthony James | director | Dec 23, 2024 | BUY | 100,000 | $0.45 | $45.0K | Form 4 |
| Culverwell Anthony James | director | Dec 23, 2024 | BUY | 100,000 | $0.45 | $45.0K | Form 4 |
| Culverwell Anthony James | director | Dec 23, 2024 | BUY | 100,000 | $0.45 | $45.0K | Form 4 |
| Cooper Joseph Patrick | director | Dec 9, 2024 | AWARD | 50,714 | $0.78 | $39.6K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Dec 9, 2024 | AWARD | 338,994 | $0.78 | $264.4K | Form 4 |
| Culverwell Anthony James | director | Dec 9, 2024 | AWARD | 50,714 | $0.78 | $39.6K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Dec 9, 2024 | AWARD | 536,609 | $0.78 | $418.6K | Form 4 |
| SEMBER MICHAEL T | director | Dec 9, 2024 | AWARD | 50,714 | $0.78 | $39.6K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Dec 9, 2024 | AWARD | 536,603 | $0.78 | $418.6K | Form 4 |
| Leong Natalie Ee Mun | director | Dec 9, 2024 | AWARD | 50,714 | $0.78 | $39.6K | Form 4 |
| LANGER DENNIS | director | Dec 9, 2024 | AWARD | 50,714 | $0.78 | $39.6K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Sep 10, 2024 | BUY | 10,000 | $0.71 | $7.1K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Sep 10, 2024 | BUY | 10,000 | $0.91 | $9.1K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Sep 9, 2024 | BUY | 4,000 | $0.80 | $3.2K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Sep 9, 2024 | BUY | 4,000 | $0.78 | $3.1K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Sep 9, 2024 | BUY | 856 | $0.80 | $684.80 | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Sep 4, 2024 | BUY | 22,988 | $0.80 | $18.3K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Sep 4, 2024 | BUY | 8,825 | $0.75 | $6.6K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Sep 3, 2024 | BUY | 4,100 | $0.66 | $2.7K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Sep 3, 2024 | BUY | 1,822 | $0.63 | $1.1K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Sep 4, 2024 | BUY | 23,572 | $0.80 | $18.8K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Sep 4, 2024 | BUY | 8,200 | $0.75 | $6.1K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Sep 4, 2024 | BUY | 5,322 | $0.66 | $3.5K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Sep 3, 2024 | BUY | 800 | $0.62 | $495.20 | Form 4 |
| LANGER DENNIS | director | Jun 7, 2024 | SELL | 297 | $0.73 | $217.40 | Form 4 |
| SEMBER MICHAEL T | director | Oct 26, 2023 | AWARD | 7,652 | $5.75 | $44.0K | Form 4 |
| Dunn Gordon | Chief Financial Officer | Oct 26, 2023 | AWARD | 51,149 | $5.75 | $294.1K | Form 4 |
| Myers Michael | director, officer: Chief Executive Officer | Oct 26, 2023 | AWARD | 80,965 | $5.75 | $465.5K | Form 4 |
| Culverwell Anthony James | director | Oct 26, 2023 | AWARD | 7,652 | $5.75 | $44.0K | Form 4 |
| Cooper Joseph Patrick | director | Oct 26, 2023 | AWARD | 7,652 | $5.75 | $44.0K | Form 4 |
| Leong Natalie Ee Mun | director | Oct 26, 2023 | AWARD | 7,652 | $5.75 | $44.0K | Form 4 |
| Carter Denise P. | director, officer: Chief Operating Officer | Oct 26, 2023 | AWARD | 80,966 | $5.75 | $465.6K | Form 4 |
| LANGER DENNIS | director | Oct 26, 2023 | AWARD | 7,652 | $5.75 | $44.0K | Form 4 |
| SEMBER MICHAEL T | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| LANGER DENNIS | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| Cooper Joseph Patrick | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| Culverwell Anthony James | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| Leong Natalie Ee Mun | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| Myers Michael | Chief Executive Officer | Apr 12, 2023 | DISPOSED | 428,571,600 | $0.00 | $1.5M | Form 4 |
| Myers Michael | Chief Executive Officer | Jan 1, 2023 | DISPOSED | 0 | — | — | Form 4 |
| Cooper Joseph Patrick | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| Carter Denise P. | Chief Operating Officer | Apr 12, 2023 | DISPOSED | 428,571,600 | $0.00 | $1.5M | Form 4 |
| Carter Denise P. | Chief Operating Officer | Jan 1, 2023 | DISPOSED | 0 | — | — | Form 4 |
| Dunn Gordon | Chief Financial Officer | Apr 12, 2023 | DISPOSED | 357,142,800 | $0.00 | $1.2M | Form 4 |
| Culverwell Anthony James | director | Apr 12, 2023 | DISPOSED | 64,285,600 | $0.00 | $225.0K | Form 4 |
| Culverwell Anthony James | director | Jan 1, 2023 | DISPOSED | 0 | — | — | Form 4 |