{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-25-005279","form_type":"8-K/A","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2025-07-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.793121+00:00","generated_at":"2026-05-18T04:36:36.381010+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Black Hawk Acquisition reports ~70% share redemption; $51M withdrawn from trust","bullets":["Holders of 4,775,923 ordinary shares redeemed at $10.68/share, removing ~$51.0M from trust account.","Trust balance reduced to ~$22.7M; public shares outstanding after redemption: 2,124,077.","Total ordinary shares issued and outstanding post-redemption: 4,153,577."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-25-005279","json":"https://secwatch.observer/filing/0001829126-25-005279.json","markdown":"https://secwatch.observer/filing/0001829126-25-005279.md","text":"https://secwatch.observer/filing/0001829126-25-005279.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912625005279/0001829126-25-005279-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912625005279/blackhawkacq_8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T04:36:36.381010+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"}