0001786205-24-000010.txt : 20240208 0001786205-24-000010.hdr.sgml : 20240208 20240208215044 ACCESSION NUMBER: 0001786205-24-000010 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240208 DATE AS OF CHANGE: 20240208 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-41259 FILM NUMBER: 24610949 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Elghandour Rami CENTRAL INDEX KEY: 0001613689 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 15 BARCELONA CIR CITY: REDWOOD CITY STATE: CA ZIP: 94065 144 1 primary_doc.xml 144 0001613689 XXXXXXXX LIVE 0001786205 Arcellx, Inc. 001-41259 800 BRIDGE PARKWAY REDWOOD CITY CA 94065 240-327-0603 Elghandour Rami Officer Director Common Stock E-TRADE FINANCIAL CORPORATION

3 EDISON DRIVE ALPHARETTA GA 30005

43000 2647080.00 52277773 02/08/2024 NASDAQ Common Stock 02/07/2024 Restricted Stock Units Issuer N 70211 02/07/2024 N/A N Rami Elghandour

800 Bridge Parkway Redwood City CA 94065

Common Stock 01/04/2024 29073 1606803.66 SHARES TO BE SOLD TO COVER WITHHOLDING TAXES UPON VESTING OF RESTRICTED STOCK UNIT AWARDS 02/08/2024 /s/ Rami Elghandour