0001950047-23-000040.txt : 20230316 0001950047-23-000040.hdr.sgml : 20230316 20230316172525 ACCESSION NUMBER: 0001950047-23-000040 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230316 DATE AS OF CHANGE: 20230316 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: 23739880 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: Yeramian Patrick D CENTRAL INDEX KEY: 0001358266 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 1815 PARKSIDE CIRCLE SOUTH CITY: BOCA RATON STATE: FL ZIP: 33486 144 1 primary_doc.xml 144 0001358266 XXXXXXXX LIVE 0001658551 AMYLYX PHARMACEUTICALS INC 001-41199 43 THORNDIKE STREET CAMBRIDGE MA 02141 617-683-0917 Patrick D. Yeramian Officer COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

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

54627 1835467.20 66716388 03/16/2023 NASD COMMON 03/16/2023 Exercise of Stock Options ISSUER N 49578 03/16/2023 Cash COMMON 01/06/2023 Restricted Stock Units ISSUER N 5049 01/06/2023 N/A N PATRICK YERAMIAN

43 THORNDIKE STREET CAMBRIDGE MA 02141

Common 01/06/2023 2034 73834.20 03/16/2023 12/14/2022 /s/ Patrick D. Yeramian