Rossi Michael J (CIK 1948795) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-09-18). Recent activity: Sell YMAB (7,982 shares), Sell YMAB (129,101 shares), Sell YMAB (3,917 shares), Buy YMAB (105,300 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-09-18 | Y-mAbs Therapeutics, Inc. (YMAB) | PRESIDENT & CEO | Sell | 7,982 | $68,645 |
| 2025-09-18 | Y-mAbs Therapeutics, Inc. (YMAB) | PRESIDENT & CEO | Sell | 129,101 | $0 |
| 2025-03-11 | Y-mAbs Therapeutics, Inc. (YMAB) | PRESIDENT & CEO | Sell | 3,917 | $20,368 |
| 2025-01-22 | Y-mAbs Therapeutics, Inc. (YMAB) | PRESIDENT & CEO | Buy | 105,300 | $0 |
Source: SEC Form 4 filings · as of 2025-09-18