{"schema_version":"secwatch.filing_event.v1","accession":"0001993004-26-000026","form_type":"8-K","ticker":"NWE","cik":"0001993004","company_name":"NorthWestern Energy Group, Inc.","filed_at":"2026-04-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.357964+00:00","generated_at":"2026-05-15T07:42:11.896885+00:00","sec_items":["5.07","8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"NorthWestern shareholders approve merger with Black Hills; Bright Horizon Energy to be formed","bullets":["52.4M shares voted for merger adoption (99.9% of votes cast); 85% of outstanding shares participated.","Combined company named Bright Horizon Energy Corporation, serving customers across eight states.","Merger remains subject to HSR, FERC, and state approvals in MT, NE, SD; closing expected H2 2026.","Advisory vote on merger-related executive compensation approved with 49.4M votes in favor."],"urls":{"canonical":"https://secwatch.observer/filing/0001993004-26-000026","json":"https://secwatch.observer/filing/0001993004-26-000026.json","markdown":"https://secwatch.observer/filing/0001993004-26-000026.md","text":"https://secwatch.observer/filing/0001993004-26-000026.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1993004/000199300426000026/0001993004-26-000026-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1993004/000199300426000026/nwe-20260402.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T07:42:11.896885+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"}