Caligan Partners LP - 31 Mar 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: 45,050,173 shares
Disclosed Ownership: 2,342,609 shares
Ownership: 5.2%
Form type: SCHEDULE 13G
Filing time: 14 May 2025, 08:41:27 UTC
Date of event: 31 Mar 2025
Next filing: 14 Nov 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%	2,342,609	0	2,342,609	/s/ David Johnson	David Johnson, Managing Partner
David Johnson	5.2%	2,342,609	0	2,342,609	/s/ David Johnson	David Johnson, Individually