0001962918-24-000063.txt : 20240517 0001962918-24-000063.hdr.sgml : 20240517 20240517191249 ACCESSION NUMBER: 0001962918-24-000063 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240515 FILED AS OF DATE: 20240517 DATE AS OF CHANGE: 20240517 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gloria Melanie CENTRAL INDEX KEY: 0001973838 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41696 FILM NUMBER: 24961979 MAIL ADDRESS: STREET 1: C/O ACELYRIN, INC. STREET 2: 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_1715987559.xml FORM 4 X0508 4 2024-05-15 0 0001962918 ACELYRIN, Inc. SLRN 0001973838 Gloria Melanie C/O ACELYRIN, INC. 4149 LIBERTY CANYON RD. AGOURA HILLS CA 91301 0 1 0 0 Chief Operating Officer 0 Common Stock 2024-05-15 4 F 0 10298 4.47 D 130286 D Represents the total number of shares withheld to settle the Reporting Person's tax liability for the Restricted Stock Units that vested on May 15, 2024. /s/ Sanam Pangali, Attorney-in-fact 2024-05-17