0001209191-24-000918.txt : 20240104 0001209191-24-000918.hdr.sgml : 20240104 20240104193100 ACCESSION NUMBER: 0001209191-24-000918 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240102 FILED AS OF DATE: 20240104 DATE AS OF CHANGE: 20240104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gilson Michelle CENTRAL INDEX KEY: 0001930862 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41259 FILM NUMBER: 24514019 MAIL ADDRESS: STREET 1: 25 WEST WATKINS MILL ROAD, SUITE A CITY: GAITHERSBURG STATE: MD ZIP: 20878 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: 25 WEST WATKINS MILL ROAD STREET 2: SUITE A CITY: GAITHERSBURG STATE: MD ZIP: 20878 BUSINESS PHONE: 240-723-6641 MAIL ADDRESS: STREET 1: 25 WEST WATKINS MILL ROAD STREET 2: SUITE A CITY: GAITHERSBURG STATE: MD ZIP: 20878 4 1 doc4.xml FORM 4 SUBMISSION X0508 4 2024-01-02 0 0001786205 Arcellx, Inc. ACLX 0001930862 Gilson Michelle C/O ARCELLX, INC. 25 WEST WATKINS MILL ROAD, SUITE A GAITHERSBURG MD 20878 0 1 0 0 Chief Financial Officer 0 Common Stock 2023-01-03 4 M 0 15339 0.00 A 24824 D Stock Option (right to buy) 56.15 2024-01-02 4 A 0 94596 0.00 A 2034-01-02 Common Stock 94596 94596 D Restricted Stock Unit 2024-01-02 4 A 0 61487 0.00 A Common Stock 61487 61487 D Restricted Stock Unit 2024-01-03 4 M 0 15339 0.00 D Common Stock 15339 30679 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one forty-eighth (1/48th) of the shares subject to the option will vest each month following the Vesting Commencement Date on the same day of the month as the Vesting Commencement Date (or, if there is no corresponding day in a particular month, then the last day of the month) over four (4) years. "Vesting Commencement Date" shall mean January 1, 2024. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. "RSU Grant Date" shall mean January 2, 2024. Subject to the Reporting Person continuing to be a Service Provider (as defined in the Issuer's 2022 Equity Incentive Plan) through each applicable vesting date, one-third (1/3rd) of the RSUs subject to the award will vest each year following the RSU Grant Date on the same day of the month as the RSU Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. "RSU Grant Date" shall mean January 3, 2023. /s/ Michelle Gilson 2024-01-04