• Amylyx Pharmaceuticals Chief Legal Officer Gina Mazzariello sold 30,000 common shares on July 9-10.
• Sales priced at USD 18.32 on July 9, USD 17.61 on July 10.
• Post-transaction holding reported at 179,090 common shares.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Amylyx Pharmaceuticals Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-301996), on July 13, 2026, and is solely responsible for the information contained therein.