{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-25-000012","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2025-02-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.087384+00:00","generated_at":"2026-05-26T21:45:32.154489+00:00","sec_items":["1.01","5.03","7.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"MDU Resources unit to buy 49% stake in Badger Wind Farm for $294M","bullets":["Montana-Dakota Utilities acquires 122.5 MW of 250 MW Badger Wind Farm for $294M cash.","Transaction reduces existing PPA from 150 MW to 27.5 MW upon closing; requires NDPSC approval.","Construction underway near Wishek, ND; closing deadline December 1, 2026.","Nameplate generation mix projected: renewables 29% to 39%, coal 31% to 26%, gas 40% to 35%.","Purchase agreement includes seller cost-overrun caps: buyer can walk if costs exceed $496.4M."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-25-000012","json":"https://secwatch.observer/filing/0000067716-25-000012.json","markdown":"https://secwatch.observer/filing/0000067716-25-000012.md","text":"https://secwatch.observer/filing/0000067716-25-000012.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/0000067716-25-000012-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/mdu-20250214.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T21:45:32.154489+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":[{"claim_id":"55107fcb1d6718cfea85499435447d4fba51f0e0","claim":"MDU RESOURCES GROUP INC: Amended and restated bylaws to revise director nomination and stockholder proposal procedures, including updates for universal proxy card rules, and make administrative changes (effective 2025-02-13).","evidence_excerpt":"On February 13, 2025, the Company’s board of directors approved amended and restated bylaws of the Company (as so amended and restated, the “Bylaws”), effective immediately.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771625000012/0000067716-25-000012-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2025-02-13"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}