{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-000910","form_type":"8-K","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2026-02-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.967430+00:00","generated_at":"2026-05-16T05:25:32.516413+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Vesicor CFO dies; Creem named CFO, Field joins board","bullets":["Michael Bowen, CFO of Vesicor (Black Hawk's proposed merger target), passed away on Jan 27, 2026.","Vesicor board appointed Mitchell Creem as CFO effective Jan 27, 2026; no employment agreement.","Vesicor board appointed Frederick Woodruff Field as independent director on Jan 26, 2026.","Creem has 35+ yrs healthcare finance experience: CFO of ApolloMed/Astrana, UCLA Health, Beth Israel.","Field is CEO of Radar Pictures, co-founded Interscope Records; brings executive and board experience."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-000910","json":"https://secwatch.observer/filing/0001829126-26-000910.json","markdown":"https://secwatch.observer/filing/0001829126-26-000910.md","text":"https://secwatch.observer/filing/0001829126-26-000910.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626000910/0001829126-26-000910-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626000910/blackhawkacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T05:25:32.516413+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"}