{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-26-023168","form_type":"8-K","ticker":"MAIA","cik":"0001878313","company_name":"MAIA Biotechnology, Inc.","filed_at":"2026-05-14T21:02:35+00:00","discovered_at":"2026-05-14T21:04:00.275892+00:00","generated_at":"2026-05-14T21:04:50.791986+00:00","sec_items":["1.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"MAIA Biotechnology terminates ATM equity offering agreement after raising ~$5.68M","bullets":["Suspended sales and gave notice to terminate At The Market Offering Agreement with H.C. Wainwright, effective 7 business days after May 14, 2026.","Since March 28, 2025 prospectus supplement for $11.2M, sold 3,116,012 shares for gross proceeds of approx. $5,680,924.","No further sales under the ATM facility; termination will be effective upon expiration of the notice period."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-023168","json":"https://secwatch.observer/filing/0001493152-26-023168.json","markdown":"https://secwatch.observer/filing/0001493152-26-023168.md","text":"https://secwatch.observer/filing/0001493152-26-023168.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1878313/000149315226023168/0001493152-26-023168-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1878313/000149315226023168/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T21:04:50.791986+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":[{"claim_id":"81ac81988dce7ca06934ee68b825606dd6873265","claim":"MAIA Biotechnology, Inc. terminated At The Market Offering Agreement with H.C. Wainwright & Co., LLC (effective 2026-05-14).","evidence_excerpt":"On May 14, 2026, MAIA Biotechnology, Inc. (the “Company”) suspended sales of its common stock, par value $0.0001 per share (“Common Stock”), pursuant to that certain At The Market Offering Agreement dated February 14, 2024, or the sales agreement, between the Company and H.C. Wainwright & Co., LLC (the “Agent”), the Company’s sales agent thereunder, and provided notice to the Agent that it is terminating the sales agreement, which termination will be effective 7-business days after May 14, 2026, in accordance with the terms of the sales agreement.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1878313/000149315226023168/0001493152-26-023168-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"termination"},{"label":"Agreement","value":"atm program"},{"label":"Counterparty","value":"H.C. Wainwright & Co., LLC"},{"label":"Effective","value":"2026-05-14"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}