Y-mAbs Therapeutics, Inc. (YMAB) has 153 open-market insider trades by 17 insiders since 2018. The most active filer is Thomas Gad.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Thomas Gad | — | — | 86 | $55.6M | 2025-09-16 |
| Johan Wedell-Wedellsborg | Dir | — | 15 | $34.9M | 2025-09-16 |
| Pedro Claus Juan Moller-San | CEO | — | 3 | $19.8M | 2020-12-03 |
| Biotech ApS Wg | Dir | — | 10 | $17.7M | 2025-09-16 |
| Bo Kruse | CFOVP | — | 18 | $10.6M | 2024-05-31 |
| James Healy | Dir | — | 2 | $10.5M | 2025-09-16 |
| Mahiuddin Ahmed | CSOVP | — | 4 | $7.4M | 2020-05-26 |
| Ashu Tyagi | Dir | — | 1 | $6.9M | 2025-09-16 |
| Torben Lund-Hansen | CTOVP | — | 1 | $769K | 2024-08-28 |
| David N. Gill | Dir | — | 3 | $365K | 2025-09-16 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Michael J. Rossi | President | Sell | $20K | 2025-03-07 |
| Thomas Gad | — | Sell | $113K | 2025-03-07 |
| Thomas Gad | — | Sell | $1.3M | 2024-09-13 |
| Torben Lund-Hansen | CTO & VP | Sell | $769K | 2024-08-28 |
| Joris Wilms | COO & VP | Sell | $73K | 2024-08-26 |
| Gerard Ber | Director | Sell | $9K | 2024-06-10 |
Companies that share insiders with YMAB, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Thomas Gad | — | Sell | $841K | 2024-06-10 |
| Bo Kruse | CFO & VP | Sell | $1.4M | 2024-05-30 |
| Thomas Gad | — | Sell | $396K | 2024-05-21 |
| Susan Laura Smith | SVP & CHIEF COMMERCIAL OFFICER | Sell | $28K | 2024-03-05 |
| Vignesh Rajah | SVP & CHIEF MEDICAL OFFICER | Sell | $28K | 2024-03-05 |
| Thomas Gad | — | Sell | $128K | 2024-03-05 |
| Thomas Gad | — | Sell | $1.0M | 2023-12-13 |
| Biotech ApS Wg | Director | Buy | $44K | 2023-12-11 |
| Biotech ApS Wg | Director | Buy | $1.7M | 2023-12-07 |