Caligan Partners LP - Mar 31, 2025 SCHEDULE 13G Report for Y-mAbs Therapeutics, Inc. Common stock, $0.0001 par value per share (YMAB)

Filing Manager: Caligan Partners LP
Reporting Manager: Caligan Partners LP
Security: Y-mAbs Therapeutics, Inc. Common stock, $0.0001 par value per share
Symbol: YMAB
Shares outstanding: 45.1M shares
Disclosed Ownership: 2.34M shares
Ownership: 5.2%
Form type: SCHEDULE 13G
Date filed: 5/14/2025, 08:41 AM
Date of event: Mar 31, 2025
Next filing: Nov 14, 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Caligan Partners LP	5.2%	2.34M	0	2.34M	/s/ David Johnson	David Johnson, Managing Partner
David Johnson	5.2%	2.34M	0	2.34M	/s/ David Johnson	David Johnson, Individually