{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-25-028041","form_type":"8-K","ticker":"MAIA","cik":"0001878313","company_name":"MAIA Biotechnology, Inc.","filed_at":"2025-12-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.953571+00:00","generated_at":"2026-05-16T12:57:02.713717+00:00","sec_items":["1.01","3.02","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"MAIA Biotechnology announces $1.51M private placement of common stock and warrants","bullets":["Gross proceeds ~$1.51M from 1,233,488 shares at $1.224 each, with warrants exercisable at $1.36.","Warrants exercisable six months after issuance, three-year term, priced at NYSE American minimum price.","Directors subscribe for 179,737 shares (~$220k); Louie Ngar Yee, Stan Smith, Steven Chaouki.","Net proceeds to fund Step 1 of Part C of Phase II THIO-101 trial and working capital.","Expected close Dec 18, 2025; securities unregistered, offered under Section 4(a)(2)/Reg D."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-25-028041","json":"https://secwatch.observer/filing/0001493152-25-028041.json","markdown":"https://secwatch.observer/filing/0001493152-25-028041.md","text":"https://secwatch.observer/filing/0001493152-25-028041.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1878313/000149315225028041/0001493152-25-028041-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1878313/000149315225028041/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:57:02.713717+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"}