{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-25-004621","form_type":"8-K","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2025-06-20T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.666299+00:00","generated_at":"2026-05-19T02:01:38.372383+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Black Hawk Acquisition Corp amends Trust Amendment Proposal to remove $55K cap, fix $0.033/share fee","bullets":["Filed supplement to definitive proxy statement (filed June 10) on June 20, 2025, amending Trust Amendment Proposal language.","Removed discretion to deposit up to $55,000 per month; now requires $0.033 per outstanding public share for each one-month extension.","Extension period allows up to 18 one-month extensions to December 22, 2026, to complete a business combination.","Change intended to eliminate discretion and ensure greater clarity and consistency in extension fee obligation."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-25-004621","json":"https://secwatch.observer/filing/0001829126-25-004621.json","markdown":"https://secwatch.observer/filing/0001829126-25-004621.md","text":"https://secwatch.observer/filing/0001829126-25-004621.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912625004621/0001829126-25-004621-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912625004621/blackhawkacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T02:01:38.372383+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"}