{"schema_version":"secwatch.filing_event.v1","accession":"0000067716-22-000073","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2022-11-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:53.280124+00:00","generated_at":"2026-06-21T16:11:47.279427+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"MDU Resources appoints German Carmona Alvarez to board of directors","bullets":["Carmona is global president at John Wood Group; brings construction, digital, and HR expertise.","He will serve on the Compensation Committee and Nominating and Governance Committee.","Appointment effective November 17, 2022; term until 2023 annual meeting.","Board cites his experience as valuable for planned tax-free spinoff of Knife River.","MDU also disclosed a strategic review of its MDU Construction Services Group subsidiary."],"urls":{"canonical":"https://secwatch.observer/filing/0000067716-22-000073","json":"https://secwatch.observer/filing/0000067716-22-000073.json","markdown":"https://secwatch.observer/filing/0000067716-22-000073.md","text":"https://secwatch.observer/filing/0000067716-22-000073.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000006771622000073/0000067716-22-000073-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000006771622000073/mdu-20221117.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T16:11:47.279427+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":"c4c0292e49","claim":"German Carmona Alvarez was appointed as Director at MDU RESOURCES GROUP INC.","evidence_excerpt":"On November 17, 2022, the Board of Directors of the Company (the \"Board\") appointed German Carmona Alvarez to the Board, effective November 17, 2022","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000006771622000073/0000067716-22-000073-index.htm","confidence":0.95,"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"}