secwatch.observer — SEC 8-K summary ====================================== Issuer: MBX Biosciences, Inc. (MBX) CIK: 0001776111 Form: 8-K Filed at: 2025-05-12T23:59:59+00:00 Accession: 0000950170-25-068599 Event type: earnings Sentiment: neutral Materiality: 0.55 Item codes: 2.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 MBX Biosciences Q1 net loss $23.9M; cash $240.8M; Phase 2 canvuparatide data due 3Q25 -------------------------------------------------------------------------------- - Net loss $23.9M (vs $12.3M YoY); R&D $22.4M (up 103% YoY) on MBX 4291 and canvuparatide trials. - Cash, cash equivalents & marketable securities $240.8M; expected to fund operations into mid-2027. - Phase 2 Avail topline results for canvuparatide in hypoparathyroidism expected in 3Q 2025. - IND submission for MBX 4291 (GLP-1/GIP co-agonist for obesity) on track for Q2 2025. - Phase 2 trial for MBX 1416 in post-bariatric hypoglycemia expected to start H2 2025. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1776111/000095017025068599/0000950170-25-068599-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1776111/000095017025068599/mbx-20250512.htm HTML page: https://secwatch.observer/filing/0000950170-25-068599 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer