0001962918-24-000069.txt : 20240524 0001962918-24-000069.hdr.sgml : 20240524 20240524191000 ACCESSION NUMBER: 0001962918-24-000069 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240523 FILED AS OF DATE: 20240524 DATE AS OF CHANGE: 20240524 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mpofu Shephard CENTRAL INDEX KEY: 0002023809 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41696 FILM NUMBER: 24985943 MAIL ADDRESS: STREET 1: 4149 LIBERTY CANYON ROAD CITY: AGOURA HILLS STATE: CA ZIP: 91301 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ACELYRIN, Inc. CENTRAL INDEX KEY: 0001962918 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 852406735 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 4149 LIBERTY CANYON RD. CITY: AGOURA HILLS STATE: CA ZIP: 91301 BUSINESS PHONE: 805-871-4300 MAIL ADDRESS: STREET 1: 4149 LIBERTY CANYON RD. CITY: AGOURA HILLS STATE: CA ZIP: 91301 4 1 wk-form4_1716592191.xml FORM 4 X0508 4 2024-05-23 0 0001962918 ACELYRIN, Inc. SLRN 0002023809 Mpofu Shephard C/O ACELYRIN, INC. 4149 LIBERTY CANYON RD. AGOURA HILLS CA 91301 0 1 0 0 Chief Medical Officer 0 Employee Stock Option (right to buy) 4.22 2024-05-23 4 A 0 328860 0 A 2034-05-22 Common Stock 328860 328860 D 1/4 of the shares subject to the option vest on May 9, 2025, and 1/48 of the shares subject to the option vests in equal monthly installments thereafter, subject to the Reporting Person's continued service. /s/ Sanam Pangali, Attorney-in-fact 2024-05-24