0001209191-23-027534.txt : 20230504 0001209191-23-027534.hdr.sgml : 20230504 20230504201649 ACCESSION NUMBER: 0001209191-23-027534 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230504 FILED AS OF DATE: 20230504 DATE AS OF CHANGE: 20230504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Machado Patrick CENTRAL INDEX KEY: 0001311210 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41696 FILM NUMBER: 23890724 MAIL ADDRESS: STREET 1: 201 SPEAR STREET, 3RD FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94107 FORMER NAME: FORMER CONFORMED NAME: Machado Clarence Patrick DATE OF NAME CHANGE: 20041210 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ACELYRIN, Inc. CENTRAL INDEX KEY: 0001962918 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] 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 doc4.xml FORM 4 SUBMISSION X0407 4 2023-05-04 0 0001962918 ACELYRIN, Inc. SLRN 0001311210 Machado Patrick C/O ACELYRIN, INC. 4149 LIBERTY CANYON RD. AGOURA HILLS CA 91301 1 0 0 0 0 Director Stock Option (right to buy) 18.00 2023-05-04 4 A 0 23243 0.00 A 2033-05-03 Class A Common 23243 23243 D 1/36 of the shares subject to the option vest on June 4, 2023, and 1/36 of the shares subject to the option vest in equal monthly installments thereafter, subject to the Reporting Person's continued service. Each share of Class A Common Stock shall be reclassified into one share of Common Stock immediately prior to the completion of the Issuer's initial public offering of Common Stock. /s/ Mina Kim, Attorney-in-fact 2023-05-04