{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-012617","form_type":"8-K","ticker":"MAIA","cik":"0001878313","company_name":"MAIA Biotechnology, Inc.","filed_at":"2025-05-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.341538+00:00","generated_at":"2026-05-20T08:47:10.329721+00:00","sec_items":["1.01","3.02","8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"MAIA Biotechnology closes $695K private placement of stock and warrants for THIO-101 trial","bullets":["Sold 463,332 shares and warrants at $1.50/share; warrants exercisable at $1.71, 5-year term, 6-month lockout.","Director Stan Smith purchased 33,333 shares and warrants for ~$50,000.","Gross proceeds ~$695,000; net proceeds to fund Step 1 of Part C of Phase II THIO-101 trial and working capital.","Expected closing May 29, 2025; securities exempt from registration under Section 4(a)(2)/Rule 506."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-012617","json":"https://secwatch.observer/filing/0001641172-25-012617.json","markdown":"https://secwatch.observer/filing/0001641172-25-012617.md","text":"https://secwatch.observer/filing/0001641172-25-012617.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1878313/000164117225012617/0001641172-25-012617-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1878313/000164117225012617/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T08:47:10.329721+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}