{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-24-000085","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2024-08-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:15.621908+00:00","generated_at":"2026-05-31T09:09:08.507893+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"MDU Resources expands board to 11, appoints Della Rocca and Durkin; Everus spinoff mid-late 2024","bullets":["Board increased from 9 to 11; Michael S. Della Rocca and Marian M. Durkin appointed effective Aug. 15, 2024.","Della Rocca (former AECOM Americas CEO) joins Audit and Environmental/Sustainability committees.","Durkin (former Avista SVP, general counsel) joins Compensation and Nominating/Governance committees.","Company reiterates plan to spin off Everus Construction Group late 2024 to become pure-play regulated energy delivery."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-24-000085","json":"https://secwatch.observer/filing/0000067716-24-000085.json","markdown":"https://secwatch.observer/filing/0000067716-24-000085.md","text":"https://secwatch.observer/filing/0000067716-24-000085.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000085/0000067716-24-000085-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000085/mdu-20240815.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T09:09:08.507893+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":"7bf9fb4e52","claim":"Marian M. Durkin was appointed as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"appointed Michael S. Della Rocca and Marian M. Durkin to the Board, in each case, effective August 15, 2024, to serve until the 2025 Annual Meeting of Stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000085/0000067716-24-000085-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"}],"fact_type":"executive_change"},{"claim_id":"c44f9d8fa9","claim":"Michael S. Della Rocca was appointed as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"appointed Michael S. Della Rocca and Marian M. Durkin to the Board, in each case, effective August 15, 2024, to serve until the 2025 Annual Meeting of Stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771624000085/0000067716-24-000085-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}