0002062665-26-000002.txt : 20260427 0002062665-26-000002.hdr.sgml : 20260427 20260427164853 ACCESSION NUMBER: 0002062665-26-000002 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260424 FILED AS OF DATE: 20260427 DATE AS OF CHANGE: 20260427 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Matly David CENTRAL INDEX KEY: 0002062665 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42031 FILM NUMBER: 26901739 MAIL ADDRESS: STREET 1: C/O INHIBRX BIOSCIENCES, INC. STREET 2: 11025 N. TORREY PINES ROAD, SUITE 140 CITY: LA JOLLA STATE: CA ZIP: 92037 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Inhibrx Biosciences, Inc. CENTRAL INDEX KEY: 0002007919 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences EIN: 990613523 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 11025 N. TORREY PINES ROAD, SUITE 140 CITY: LA JOLLA STATE: CA ZIP: 92037 BUSINESS PHONE: (858) 795-4220 MAIL ADDRESS: STREET 1: 11025 N. TORREY PINES ROAD, SUITE 140 CITY: LA JOLLA STATE: CA ZIP: 92037 FORMER COMPANY: FORMER CONFORMED NAME: Ibex SpinCo, Inc. DATE OF NAME CHANGE: 20240111 4 1 wk-form4_1777322930.xml FORM 4 X0609 4 2026-04-24 0 0002007919 Inhibrx Biosciences, Inc. INBX 0002062665 Matly David false C/O INHIBRX BIOSCIENCES, INC. 11025 NORTH TORREY PINES ROAD, SUITE 140 LA JOLLA CA 92037 0 1 0 0 President 0 Stock Option (right to buy) 129.06 2026-04-24 4 A 0 50000 0 A 2036-04-24 Common Stock 50000 50000 D Twenty-five percent (25%) of the total shares subject to the stock option become exercisable on April 24, 2027, with the balance to vest and become exercisable in equal successive monthly installments for thirty-six (36) months thereafter, subject to the Reporting Person's continuous service to the Issuer through each vesting date. /s/ Kelly Deck, as attorney-in-fact for David Matly 2026-04-27