secwatch.observer — SEC 8-K summary ====================================== Issuer: ALUMIS INC. (ALMS) CIK: 0001847367 Form: 8-K Filed at: 2026-09-01T12:30:46+00:00 Accession: 0001104659-26-104145 Event type: other_material Sentiment: negative Materiality: 0.75 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Alumis LUMUS Phase 2b misses primary endpoint in SLE; IFNGS-high subgroup shows robust responses -------------------------------------------------------------------------------- - LUMUS Phase 2b (n=408) did not meet primary endpoint BICLA at Week 48 in overall SLE population. - Prespecified IFNGS-high subgroup showed robust responses on BICLA, CLASI-50, SRI-4, and LLDAS. - Dose-dependent target engagement with maximal suppression at 40mg BID; no new safety signals observed. - Alumis plans regulatory engagement to discuss Phase 3 development for envudeucitinib in SLE. - NDA submission for envudeucitinib in moderate-to-severe plaque psoriasis remains on track for 4Q 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1847367/000110465926104145/0001104659-26-104145-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1847367/000110465926104145/tm2624540d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-104145 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer