🕵️ Y-Mabs Therapeutics, Inc. ($YMAB)
SEC insider & ownership activity, last 12 months · CIK 1722964 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. One red-flag 8-K in the window: Delisting notice (3.01), Sep 16, 2025.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Anders Hove | 6.2% | 13G | Aug 20, 2025 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Acquisition or disposition (2.01) | Sep 16, 2025 | filing ↗ |
| Delisting notice (3.01) | Sep 16, 2025 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Sep 16, 2025 | filing ↗ |
| Change of control (5.01) | Sep 16, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 16, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Sep 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 16, 2025 | filing ↗ |
| Earnings (2.02) | Aug 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 8, 2025 | filing ↗ |
| Material agreement (1.01) | Aug 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |