0001964306-24-000233.txt : 20240530 0001964306-24-000233.hdr.sgml : 20240530 20240530162536 ACCESSION NUMBER: 0001964306-24-000233 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240530 DATE AS OF CHANGE: 20240530 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Y-mAbs Therapeutics, Inc. CENTRAL INDEX KEY: 0001722964 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 474619612 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38650 FILM NUMBER: 241005712 BUSINESS ADDRESS: STREET 1: 230 PARK AVENUE STREET 2: SUITE 3350 CITY: NEW YORK STATE: NY ZIP: 10169 BUSINESS PHONE: 212-847-9841 MAIL ADDRESS: STREET 1: 230 PARK AVENUE STREET 2: SUITE 3350 CITY: NEW YORK STATE: NY ZIP: 10169 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Kruse Bo CENTRAL INDEX KEY: 0001752940 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O Y-MABS THERAPEUTICS, INC. STREET 2: 230 PARK AVENUE, 33RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10169 144 1 primary_doc.xml 144 0001752940 XXXXXXXX LIVE 0001722964 Y-mAbs Therapeutics, Inc. 001-38650 230 PARK AVENUE SUITE 3350 NEW YORK NY 10169 212-847-9841 Kruse Bo Officer Common Stock Merrill Lynch

225 Liberty St Floor 37 New York NY 10281

60000 721960.44 43882638 05/30/2024 NASDAQ Common Stock 05/30/2024 Exercise of employee stock options Y-mAbs Therapeutics, Inc. N 60000 05/30/2024 Broker assisted cashless exercise Y 05/30/2024 Bo Kruse