0001658551 2026-06-04 2026-06-04 false 0001658551 8-K 2026-06-04 AMYLYX PHARMACEUTICALS, INC. DE 001-41199 46-4600503 55 Cambridge Parkway Suite 6W Cambridge MA 02142 (617) 682-0917 false false false false Common Stock, $0.0001 par value per share AMLX NASDAQ false