secwatch.observer — SEC 8-K summary ====================================== Issuer: MAIA Biotechnology, Inc. (MAIA) CIK: 0001878313 Form: 8-K Filed at: 2026-04-16T23:59:59+00:00 Accession: 0001493152-26-016989 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 MAIA activates first U.S. site for Phase 2 THIO-101 trial in advanced NSCLC --------------------------------------------------------------------------- - First U.S. site activated at Summit Medical Group (NJ); four more U.S. sites planned in 2026. - 44 active international sites across Europe/Asia; trial evaluates ateganosine as 3L NSCLC therapy. - $2.3M NIH grant funds third-line evaluation; holds FDA Fast Track designation. - 2025 data: eight patients with overall survival beyond 2 years, four over 30 months, one at 33 months. - Approximately 50,000 advanced NSCLC patients in U.S. annually progress to third-line treatment. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1878313/000149315226016989/0001493152-26-016989-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1878313/000149315226016989/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-016989 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer