{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-23-000102","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2023-08-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.428473+00:00","generated_at":"2026-06-11T08:05:56.709184+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"MDU Resources CEO Goodin to retire; Kivisto named successor effective Jan 6, 2024","bullets":["CEO David L. Goodin to retire Jan 5, 2024, after a 40-year career, including 10 years as CEO.","Nicole A. Kivisto appointed President and CEO effective Jan 6, 2024, and elected to the Board.","Kivisto previously led MDU's electric and natural gas utilities since 2015; joined the company in 1995.","Board chair cites Kivisto's strategic vision and regulated energy experience in the succession decision."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-23-000102","json":"https://secwatch.observer/filing/0000067716-23-000102.json","markdown":"https://secwatch.observer/filing/0000067716-23-000102.md","text":"https://secwatch.observer/filing/0000067716-23-000102.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000102/0000067716-23-000102-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000102/mdu-20230817.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T08:05:56.709184+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":"13786712f9","claim":"David L. Goodin departed as President and Chief Executive Officer at MDU RESOURCES GROUP INC.","evidence_excerpt":"On August 17, 2023, David L. Goodin, President and Chief Executive Officer of MDU Resources Group, Inc. (the “Company”), informed the Board of Directors (the “Board”) of the Company of his intention to retire as President and Chief Executive Officer effective as of end of day January 5, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000102/0000067716-23-000102-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"24fe047ae5","claim":"Nicole A. Kivisto was appointed as President and Chief Executive Officer at MDU RESOURCES GROUP INC.","evidence_excerpt":"On August 17, 2023, the Board appointed Nicole A. Kivisto to succeed Mr. Goodin as President and Chief Executive Officer, effective as of January 6, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000102/0000067716-23-000102-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"525ddc0e95","claim":"Nicole A. Kivisto was appointed as Director at MDU RESOURCES GROUP INC.","evidence_excerpt":"Ms. Kivisto was also appointed to the Board, effective January 6, 2024, to serve until the 2024 Annual Meeting of Stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771623000102/0000067716-23-000102-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"}