🕵️ Promis Neurosciences Inc. ($PMN)
SEC insider & ownership activity, last 12 months · CIK 1374339 · every row links its SEC filing
Over the last 12 months insiders bought $8.7M with no open-market selling against it. ABG Management Ltd. bought $8.5M in discretionary trades (Feb). Fan Yu added 11.3% → 17.0%; ABG Management Ltd. trimmed 11.3% → 6.3%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
9 buyers, $8.7M (13 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| ABG Management Ltd. | 2 | $8.5M | 0 | – | Feb 3, 2026 |
| Williams Eugene | 4 | $141K | 0 | – | Mar 5, 2026 |
| Patrick D. Kirwin | 1 | $45K | 0 | – | Apr 22, 2026 |
| Kaplan Johanne | 1 | $25K | 0 | – | Feb 19, 2026 |
| Max A. Milbury | 1 | $15K | 0 | – | Oct 3, 2025 |
| Jeremy M. Sclar 2012 Irrevocable Family Trust | 1 | – | 0 | – | Jul 29, 2025 |
| Jeremy M. Sclar | 1 | – | 0 | – | Jul 29, 2025 |
| Michael S. Gordon | 1 | – | 0 | – | Jul 29, 2025 |
| Title 19 Promis | 1 | – | 0 | – | Jul 29, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Fan Yu | 17.0% | 13D | Feb 3, 2026 | filing ↗ | |
| Jeremy M. Sclar | 16.9% | 13G | Oct 15, 2025 | filing ↗ | |
| Janus Henderson Group PLC | 14.4% | 13G | Apr 7, 2026 | filing ↗ | |
| Jeremy M. Sclar 2012 Irrevocable Family Trust | 13.6% | 13G | Oct 15, 2025 | filing ↗ | |
| SHAF QIC LLC | 10.0% | 13G | Jul 31, 2025 | filing ↗ | |
| Jonathan Shafmaster | 10.0% | 13G | Jul 31, 2025 | filing ↗ | |
| Wellington Management Group LLP | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Group Holdings LLP | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Investment Advisors Holdings LLP | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Management Company LLP | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Biomedical Innovation Master Investors (CAYMAN) II, L.P. | 10.0% | 13G | Mar 18, 2026 | filing ↗ | |
| Great Point Partners, LLC | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| DR. Jeffrey R. JAY, M.D. | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| Ms. Lillian Nordahl | 10.0% | 13G | May 15, 2026 | filing ↗ | |
| DEEP Track Capital, LP | 10.0% | 13G | Feb 6, 2026 | filing ↗ | |
| David Kroin | 10.0% | 13G | Feb 6, 2026 | filing ↗ | |
| Trails EDGE Capital Partners, LP | 9.9% | 13G | Feb 10, 2026 | filing ↗ | |
| Trails EDGE Biotechnology Master Fund, LP | 9.9% | 13G | Feb 10, 2026 | filing ↗ | |
| Ortav Yehudai | 9.9% | 13G | Feb 10, 2026 | filing ↗ | |
| DEEP Track Biotechnology Master Fund, Ltd. | 7.8% | 13G | Feb 6, 2026 | filing ↗ | |
| Sphera Funds Management Ltd. | 7.8% | 13G | Feb 5, 2026 | filing ↗ | |
| Sphera Global Healthcare GP Ltd. | 7.8% | 13G | Feb 5, 2026 | filing ↗ | |
| Sphera Global Healthcare Management LP. | 7.8% | 13G | Feb 5, 2026 | filing ↗ | |
| Abg V-Siv Ix Limited | 7.1% | 13D | Feb 3, 2026 | filing ↗ | |
| ALLY Bridge Group Global Life Science Capital Partners V, L.P. | 7.1% | 13D | Feb 3, 2026 | filing ↗ | |
| ABG Global Life Science Capital Partners V GP, L.P. | 7.1% | 13D | Feb 3, 2026 | filing ↗ | |
| ABG Global Life Science Capital Partners V GP Limited | 7.1% | 13D | Feb 3, 2026 | filing ↗ | |
| ABG Management Ltd. | 6.3% | 13D | Feb 3, 2026 | filing ↗ | |
| ALLY Bridge Group (NY) LLC | 6.3% | 13D | Feb 3, 2026 | filing ↗ | |
| ALLY Bridge Medalpha Master Fund L.P. | 6.3% | 13D | Feb 3, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jul 28, 2026 | filing ↗ |
| Other events (8.01) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 20, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 20, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | Mar 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 25, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 29, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Jan 29, 2026 | filing ↗ |
| Other events (8.01) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Other events (8.01) | Dec 12, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Nov 24, 2025 | filing ↗ |
| Other events (8.01) | Nov 24, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 24, 2025 | filing ↗ |
| Shareholder vote (5.07) | Nov 17, 2025 | filing ↗ |
| Earnings (2.02) | Nov 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 12, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 22, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 26, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 26, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 3, 2025 | filing ↗ |
| Other events (8.01) | Sep 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 3, 2025 | filing ↗ |
| Material agreement (1.01) | Aug 13, 2025 | filing ↗ |