{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-140217","form_type":"8-K","ticker":"BKH","cik":"0001130464","company_name":"BLACK HILLS CORP /SD/","filed_at":"2026-04-02T23:59:59+00:00","discovered_at":"2026-05-14T18:02:31.990364+00:00","generated_at":"2026-05-15T07:47:42.481551+00:00","sec_items":["5.07","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Black Hills, NorthWestern shareholders approve merger; new name Bright Horizon Energy","bullets":["Shareholders approved stock issuance for merger (59.8M for, 1.5M against).","Authorized shares increased from 100M to 300M; indebtedness limit raised from $8B to $20B.","Company name to change to Bright Horizon Energy Corporation upon closing.","Merger still subject to federal (HSR, FERC) and state (MT, NE, SD) approvals; expected close H2 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-140217","json":"https://secwatch.observer/filing/0001193125-26-140217.json","markdown":"https://secwatch.observer/filing/0001193125-26-140217.md","text":"https://secwatch.observer/filing/0001193125-26-140217.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1130464/000119312526140217/0001193125-26-140217-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1130464/000119312526140217/bkh-20260402.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T07:47:42.481551+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"}