{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-001472","form_type":"8-K","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2026-02-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.967632+00:00","generated_at":"2026-05-16T01:50:15.051590+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Black Hawk Acquisition issues up to $300K convertible note to sponsor at 10% interest","bullets":["Convertible note principal up to $300,000 issued to sponsor Black Hawk Management LLC.","Note bears 10% interest per annum; due upon business combination or liquidation.","Sponsor may convert principal at $1.00 per share into ordinary shares upon DeSPAC.","Proceeds used for working capital expenses; note exempt from registration under Section 4(a)(2)."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-001472","json":"https://secwatch.observer/filing/0001829126-26-001472.json","markdown":"https://secwatch.observer/filing/0001829126-26-001472.md","text":"https://secwatch.observer/filing/0001829126-26-001472.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/0001829126-26-001472-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/blackhawkacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T01:50:15.051590+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":"35a50b6b531fb33e2c02a92a1d850754ba6e043a","claim":"Black Hawk Acquisition Corp incurred convertible notes of up to $300,000 with Black Hawk Management LLC (Sponsor) at 10% per annum maturing due and payable upon the closing of the Company's initial business combination (a DeSPAC Transaction) or the liquidation of the Company.","evidence_excerpt":"On February 12, 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/2000775/000182912626001472/0001829126-26-001472-index.htm","confidence":0.95,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"convertible notes"},{"label":"Principal","value":"up to $300,000"},{"label":"Counterparty","value":"Black Hawk Management LLC (Sponsor)"},{"label":"Rate","value":"10% per annum"},{"label":"Maturity","value":"due and payable upon the closing of the Company's initial business combination (a DeSPAC Transaction) or the liquidation of the Company"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"},{"claim_id":"04c2a0e629d2f349f289a8e8e1a1a855c4c29793","claim":"Black Hawk Acquisition Corp issued convertible note to Black Hawk Management LLC (the Sponsor) for principal amount of up to $300,000.","evidence_excerpt":"On February 12, 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/2000775/000182912626001472/0001829126-26-001472-index.htm","confidence":0.9,"family_label":"Equity Issuances","details":[{"label":"Security","value":"convertible note"},{"label":"Purchaser","value":"Black Hawk Management LLC (the Sponsor)"},{"label":"Consideration","value":"principal amount of up to $300,000"}],"fact_type":"equity_issuance"},{"claim_id":"368e2e53cd8771ee3c08c7ad6757d9068a652750","claim":"Black Hawk Acquisition Corp entered into Note with Black Hawk Management LLC valued at principal amount of up to $300,000 (effective 2026-02-12).","evidence_excerpt":"On February 12, 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 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626001472/0001829126-26-001472-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"Black Hawk Management LLC"},{"label":"Value","value":"principal amount of up to $300,000"},{"label":"Effective","value":"2026-02-12"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}