0000950170-23-071533.txt : 20231219 0000950170-23-071533.hdr.sgml : 20231219 20231219163726 ACCESSION NUMBER: 0000950170-23-071533 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231215 FILED AS OF DATE: 20231219 DATE AS OF CHANGE: 20231219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Firestone Karen CENTRAL INDEX KEY: 0001969821 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-41199 FILM NUMBER: 231497903 MAIL ADDRESS: STREET 1: C/O AMYLYX PHARMACEUTICALS, INC. STREET 2: 43 THORNDIKE ST. CITY: CAMBRIDGE STATE: MA ZIP: 02141 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Amylyx Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001658551 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 464600503 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 43 THORNDIKE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02141 BUSINESS PHONE: 617-683-0917 MAIL ADDRESS: STREET 1: 43 THORNDIKE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02141 4 1 ownership.xml 4 X0508 4 2023-12-15 0001658551 Amylyx Pharmaceuticals, Inc. AMLX 0001969821 Firestone Karen C/O AMYLYX PHARMACEUTICALS, INC. 43 THORNDIKE STREET CAMBRIDGE MA 02141 true false false false false Common Stock 2023-12-15 4 P false 4000 14.97 A 5000 D /s/ Joshua B. Cohen, as Attorney in Fact 2023-12-19