{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-011077","form_type":"8-K","ticker":"BKHA","cik":"0002000775","company_name":"Black Hawk Acquisition Corp","filed_at":"2026-10-13T20:16:09+00:00","discovered_at":"2026-10-13T20:17:00.242683+00:00","generated_at":"2026-10-13T20:17:03.927716+00:00","sec_items":["5.07"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Black Hawk shareholders approve Vesicor Therapeutics merger; 2.09M shares redeemed at $12.04","bullets":["All eight proposals passed at the October 13, 2026 extraordinary general meeting, including the Business Combination Agreement dated April 26, 2025 with Vesicor Therapeutics, Inc.","Business Combination vote: 3,191,351 for, 20,165 against, 0 abstentions; about 77.3% of 4,153,577 outstanding shares present, constituting a quorum.","Five post-closing directors elected: Luo Feng, Warren Hosseinion, Frederick Woodruff Field, Oded Levy and Qi Ouyang.","2,089,162 ordinary shares redeemed for $25,153,510.48 total, a per-share price of about $12.04; the Company is not permitting reversals of redemption elections.","Other approvals: Cayman-to-Delaware domestication, new charter/bylaws, Nasdaq share issuance, Vesicor 2026 Equity Incentive Plan, and removal of the $5,000,001 net tangible asset condition."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-011077","json":"https://secwatch.observer/filing/0001829126-26-011077.json","markdown":"https://secwatch.observer/filing/0001829126-26-011077.md","text":"https://secwatch.observer/filing/0001829126-26-011077.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626011077/0001829126-26-011077-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2000775/000182912626011077/blackhawkacq_8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-13T20:17:03.927716+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"}