Wilms Joris (CIK 1753231) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-09-18). Recent activity: Sell YMAB (12,799 shares), Sell YMAB (39,301 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-09-18 | Y-mAbs Therapeutics, Inc. (YMAB) | SVP & CHIEF OPERATING OFFICER | Sell | 12,799 | $110,071 |
| 2025-09-18 | Y-mAbs Therapeutics, Inc. (YMAB) | SVP & CHIEF OPERATING OFFICER | Sell | 39,301 | $0 |
Source: SEC Form 4 filings · as of 2025-09-18