secwatch.observer — SEC 8-K summary ====================================== Issuer: Amylyx Pharmaceuticals, Inc. (AMLX) CIK: 0001658551 Form: 8-K Filed at: 2026-08-18T13:03:53+00:00 Accession: 0001193125-26-354793 Event type: other_material Sentiment: positive Materiality: 0.85 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Amylyx announces positive topline Phase 3 LUCIDITY results for avexitide in post-bariatric hypoglycemia -------------------------------------------------------------------------------- - Positive topline results announced Aug 18, 2026 from LUCIDITY Phase 3 trial of avexitide in post-bariatric hypoglycemia (PBH). - Trial enrolled participants with PBH following Roux-en-Y gastric bypass surgery; no efficacy numbers disclosed in filing text. - Investor conference call and slide deck (Exhibit 99.1) held same day; detailed endpoint data not included in available excerpt. - Avexitide is Amylyx's (AMLX) candidate for PBH; positive readout could support registration pathway. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1658551/000119312526354793/0001193125-26-354793-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1658551/000119312526354793/d184004d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-354793 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer