{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-010313","form_type":"8-K","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2026-09-22T20:30:13+00:00","discovered_at":"2026-09-22T20:31:01.673820+00:00","generated_at":"2026-09-22T20:31:35.182028+00:00","sec_items":["8.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Black Hawk Acquisition deposits $150K to extend SPAC combination deadline to Oct 22","bullets":["$150,000 deposited into trust account to fund one-month extension of business combination period.","Deadline extended from September 22, 2026 to October 22, 2026.","Extension payment made by Black Hawk Acquisition Corporation (SPAC) for its public shareholders."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-010313","json":"https://secwatch.observer/filing/0001829126-26-010313.json","markdown":"https://secwatch.observer/filing/0001829126-26-010313.md","text":"https://secwatch.observer/filing/0001829126-26-010313.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626010313/0001829126-26-010313-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626010313/blackhawkacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-22T20:31:35.182028+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"}