{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-23-000116","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2023-11-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.756533+00:00","generated_at":"2026-06-08T00:35:03.992832+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"MDU Resources appoints former IDACORP CEO Darrel T. Anderson to board","bullets":["Anderson appointed effective Nov. 16, 2023; board expanded from 7 to 8 directors.","He previously served as IDACORP and Idaho Power president and CEO (2014-2020).","Anderson will serve on Compensation and Environmental/Sustainability Committees.","Appointment supports MDU's plan to spin off construction services into a pure-play regulated utility by late 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-23-000116","json":"https://secwatch.observer/filing/0000067716-23-000116.json","markdown":"https://secwatch.observer/filing/0000067716-23-000116.md","text":"https://secwatch.observer/filing/0000067716-23-000116.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000116/0000067716-23-000116-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000116/mdu-20231116.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T00:35:03.992832+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":"0ebf5738fb","claim":"Darrel T. Anderson was appointed as Director at MDU RESOURCES GROUP INC.","evidence_excerpt":"approved an increase of the size of the Board from seven (7) directors to eight (8) directors, and appointed Darrel T. Anderson to the Board, effective November 16, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000116/0000067716-23-000116-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}