0001415889-24-015745.txt : 20240606 0001415889-24-015745.hdr.sgml : 20240606 20240606161855 ACCESSION NUMBER: 0001415889-24-015745 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240528 FILED AS OF DATE: 20240606 DATE AS OF CHANGE: 20240606 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ware Olivia C CENTRAL INDEX KEY: 0001663771 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41259 FILM NUMBER: 241025307 MAIL ADDRESS: STREET 1: 11726 SAN VICENTE BLVD STREET 2: SUITE 650 CITY: LOS ANGELES STATE: CA ZIP: 90049 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Arcellx, Inc. CENTRAL INDEX KEY: 0001786205 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 472855917 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 800 BRIDGE PARKWAY CITY: REDWOOD CITY STATE: CA ZIP: 94065 BUSINESS PHONE: 240-327-0603 MAIL ADDRESS: STREET 1: 800 BRIDGE PARKWAY CITY: REDWOOD CITY STATE: CA ZIP: 94065 4 1 form4-06062024_080651.xml X0508 4 2024-05-28 0001786205 Arcellx, Inc. ACLX 0001663771 Ware Olivia C C/O ARCELLX, INC. 800 BRIDGE PARKWAY REDWOOD CITY CA 94065 true false false false 0 Stock Option (right to buy) 51.30 2024-05-28 4 A 0 8011 0 A 2034-05-28 Common Stock 8011 8011 D Subject to the reporting person's continuing to be a Service Provider (as defined in the 2022 Equity Incentive Plan) through such applicable vesting date, one hundred percent (100%) of the shares subject to the award will vest on the earlier to occur of May 28, 2025 or the next annual meeting of stockholders. /s/ Michelle Gilson, as Attorney-in-Fact 2024-06-06