Rossi Michael J
SEC insider (Form 3/4/5 filer). CIK 0001948795. PRESIDENT & CEO at Y-mAbs Therapeutics, Inc. (YMAB). 4 reported Form 4/5 transactions since Sep 2024; latest on Sep 16, 2025. Located in NEW YORK, NY.
Companies Rossi Michael J has filed insider reports for
- Y-mAbs Therapeutics, Inc. (YMAB): Director, Officer, PRESIDENT & CEO
Rossi Michael J
CIK: 0001948795
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (25.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)1 (25.0%)
Compensation grants
Other (G, F, J, C, D, …)2 (50.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
YMAB
Y-mAbs Therapeutics, Inc.
DirectorOfficer
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
Tender OfferDirect8K shares at avg. $8.60$69K - Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DispositionDirect129.1K shares- - Mar 7, 2025YMAB
Y-mAbs Therapeutics, Inc.
SaleDirect3.9K shares at avg. $5.20$20K - Jan 17, 2025YMAB
Y-mAbs Therapeutics, Inc.
AwardDirect105.3K shares-
1-4 of 4 transactions