0001415889-24-011120.txt : 20240418 0001415889-24-011120.hdr.sgml : 20240418 20240418160116 ACCESSION NUMBER: 0001415889-24-011120 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240416 FILED AS OF DATE: 20240418 DATE AS OF CHANGE: 20240418 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: 24854273 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 form4-04182024_080409.xml X0508 4 2024-04-16 0001786205 Arcellx, Inc. ACLX 0001663771 Ware Olivia C C/O ARCELLX, INC. 800 BRIDGE PARKWAY REDWOOD CITY CA 94065 true false false false 1 Common Stock 2024-04-16 4 M 0 9402 7.61 A 9402 D Common Stock 2024-04-16 4 S 0 6790 55.3618 D 2612 D Common Stock 2024-04-16 4 S 0 2612 56.0310 D 0 D Stock Option (right to buy) 7.61 2024-04-16 4 M 0 9402 0 D 2032-05-16 Common Stock 9402 36806 D The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 15, 2023. Represents the weighted average share price of an aggregate total of 6,790 shares sold in the price range of $54.87 to $55.8699 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Represents the weighted average share price of an aggregate total of 2,612 shares sold in the price range of $55.87 to $56.8699 by the Reporting Person. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. 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 shares subject to the option will vest each year following Equity Grant Date on the same day of the month as the Equity Grant Date (or, if there is no corresponding day in a particular month, then the last day of the month) over three (3) years. "Equity Grant Date" shall mean May 16, 2022. /s/ Michelle Gilson, as Attorney-in-Fact 2024-04-18