secwatch.observer — SEC 8-K summary ====================================== Issuer: Structure Therapeutics Inc. (GPCR) CIK: 0001888886 Form: 8-K Filed at: 2026-09-08T12:09:26+00:00 Accession: 0001104659-26-105688 Event type: other_material Sentiment: positive Materiality: 0.90 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Structure Therapeutics: ACCG-2671 SAD positive, aleniglipron 72-wk OLE up to 16.2% weight loss -------------------------------------------------------------------------------- - ACCG-2671 SAD: 31 healthy adults, ~6-day half-life, no SAEs, 3.3% mean weight loss at Day 24 (10 mg), CTX-1 down ~60%. - Aleniglipron 72-wk OLE: 11.6%/14.4%/16.2% weight loss for 45/90/120 mg arms; >1/3 of 90/120 mg cohorts >20% loss (35.9/40.5 lbs). - Placebo crossover with 2.5 mg start: 9.0% (22.7 lbs) at 36 wks; <5% discontinuation due to AEs; improved GI tolerability. - Phase 3 ACCOMPLISH-1 (3,600) and -2 (1,100) enrolling; topline 2H 2028. ACCG-2671 MAD topline 1H 2027. - Q4 2026 readouts: body composition, T2DM, and SWITCH trial results. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1888886/000110465926105688/0001104659-26-105688-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1888886/000110465926105688/tm2624945d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-105688 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer