0001950047-23-003083.txt : 20230815 0001950047-23-003083.hdr.sgml : 20230815 20230815161230 ACCESSION NUMBER: 0001950047-23-003083 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230815 DATE AS OF CHANGE: 20230815 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Amylyx Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001658551 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 464600503 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-41199 FILM NUMBER: 231174962 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Mazzariello Gina CENTRAL INDEX KEY: 0001913765 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O AMYLYX PHARMACEUTICALS, INC. STREET 2: 43 THORNDIKE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02141 144 1 primary_doc.xml 144 0001913765 XXXXXXXX LIVE 0001658551 AMYLYX PHARMACEUTICALS INC 001-41199 43 THORNDIKE STREET CAMBRIDGE MA 02141 617-683-0917 GINA MAZZARIELLO Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Fl. New York NY 10004

6164 129320.72 67377743 08/15/2023 NASDAQ Common 02/22/2023 Restricted Stock Units Issuer N 6164 02/22/2023 N/A Y 08/15/2023 05/16/2023 /s/ Gina Mazzariello