secwatch.observer — SEC 8-K summary ====================================== Issuer: MAIA Biotechnology, Inc. (MAIA) CIK: 0001878313 Form: 8-K Filed at: 2025-11-20T23:59:59+00:00 Accession: 0001493152-25-024402 Event type: other_material Sentiment: positive Materiality: 0.55 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 MAIA starts Romania enrollment for Phase 2 THIO-101 Part C; 38% ORR vs standard 6% cited -------------------------------------------------------------------------------- - CEO presented at Smart Diaspora 2025; Romania begins screening patients for THIO-101 Part C. - Observed 38% overall response rate vs current third-line NSCLC treatments with ~6% response rate. - FDA Fast Track Designation for ateganosine received in July 2025, supports accelerated approval path. - Third-line NSCLC patients resistant to chemo and immunotherapy are target population. - Investigator Tudor Ciuleanu, MD, PhD, is key opinion leader in Eastern Europe. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1878313/000149315225024402/0001493152-25-024402-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1878313/000149315225024402/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-25-024402 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer