{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-004870","form_type":"8-K","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2026-05-08T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.368922+00:00","generated_at":"2026-05-14T21:13:11.142221+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Black Hawk Acquisition issues up to $300K convertible note to sponsor at 10% interest","bullets":["Principal amount up to $300,000; interest accrues at 10% per annum from April 20, 2026.","Note due and payable upon closing of a business combination (DeSPAC) or liquidation of the company.","Sponsor may convert unpaid principal into ordinary shares at $1.00 per share upon DeSPAC.","Proceeds used for working capital expenses; note is unsecured and sponsor waives trust account claims.","Holder entitled to registration rights for conversion shares post-DeSPAC."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-004870","json":"https://secwatch.observer/filing/0001829126-26-004870.json","markdown":"https://secwatch.observer/filing/0001829126-26-004870.md","text":"https://secwatch.observer/filing/0001829126-26-004870.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626004870/0001829126-26-004870-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626004870/blackhawkacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T21:13:11.142221+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":"2a2c100a77eae7e294a0f46b71c55786fc705f41","claim":"Black Hawk Acquisition Corp incurred convertible notes of up to $300,000 with Black Hawk Management LLC at 10% per annum maturing upon the occurrence of (i) the closing of the Company’s initial business combination (a “DeSPAC Transaction”) or (ii) the liquidation of the Company.","evidence_excerpt":"On May 4, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626004870/0001829126-26-004870-index.htm","confidence":0.9,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"convertible notes"},{"label":"Principal","value":"up to $300,000"},{"label":"Counterparty","value":"Black Hawk Management LLC"},{"label":"Rate","value":"10% per annum"},{"label":"Maturity","value":"upon the occurrence of (i) the closing of the Company’s initial business combination (a “DeSPAC Transaction”) or (ii) the liquidation of the Company"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"286878f9db27bed24917d53230cb59b6c1be2955","claim":"Black Hawk Acquisition Corp issued convertible note to Black Hawk Management LLC for principal amount of up to $300,000.","evidence_excerpt":"On May 4, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).","evidence_source":"SEC 8-K Item 3.02/3.03","evidence_url":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626004870/0001829126-26-004870-index.htm","confidence":0.9,"family_label":"Equity Issuances","details":[{"label":"Security","value":"convertible note"},{"label":"Purchaser","value":"Black Hawk Management LLC"},{"label":"Consideration","value":"principal amount of up to $300,000"}],"fact_type":"equity_issuance"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}