{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-24-044885","form_type":"8-K","ticker":"MDU","cik":"0000067716","company_name":"MDU RESOURCES GROUP INC","filed_at":"2024-11-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:10.822513+00:00","generated_at":"2026-05-30T07:08:10.373209+00:00","sec_items":["1.01","1.02","2.01","5.02","7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"MDU Resources completes spin-off of Everus Construction Group; Everus begins trading as ECG","bullets":["Distribution of Everus common stock to MDU holders on a 1-for-4 basis effective Oct 31, 2024.","Everus now trades independently on NYSE under ticker ECG; MDU remains as pure-play regulated energy.","Four MDU directors resigned to join Everus board; MDU board reduced from 11 to 6 directors.","Jeffrey Thiede resigned as MDU executive officer to become President & CEO of Everus.","Distribution expected tax-free for U.S. federal income tax purposes, except cash for fractional shares."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-24-044885","json":"https://secwatch.observer/filing/0001140361-24-044885.json","markdown":"https://secwatch.observer/filing/0001140361-24-044885.md","text":"https://secwatch.observer/filing/0001140361-24-044885.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/ef20037702_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T07:08:10.373209+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":"020cd890bc","claim":"Jeffrey S. Thiede resigned as executive officer at MDU RESOURCES GROUP INC.","evidence_excerpt":"Jeffrey S. Thiede resigned from his position as an executive officer of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"executive officer"}],"fact_type":"executive_change"},{"claim_id":"0aef0133f9","claim":"Michael S. Della Rocca resigned as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"effective as of immediately prior to the Effective Time, Michael S. Della Rocca, Dale S. Rosenthal, Edward A. Ryan and David M. Sparby resigned from the Company’s board of directors (the “Board”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"},{"claim_id":"4dee66446d","claim":"Dale S. Rosenthal resigned as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"effective as of immediately prior to the Effective Time, Michael S. Della Rocca, Dale S. Rosenthal, Edward A. Ryan and David M. Sparby resigned from the Company’s board of directors (the “Board”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"},{"claim_id":"572938eb8f","claim":"James H. Gemmel resigned as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"effective as of immediately prior to the Effective Time, James H. Gemmel resigned from the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"},{"claim_id":"610b2847f6","claim":"David M. Sparby resigned as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"effective as of immediately prior to the Effective Time, Michael S. Della Rocca, Dale S. Rosenthal, Edward A. Ryan and David M. Sparby resigned from the Company’s board of directors (the “Board”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"},{"claim_id":"7316e0beaf","claim":"Edward A. Ryan resigned as director at MDU RESOURCES GROUP INC.","evidence_excerpt":"effective as of immediately prior to the Effective Time, Michael S. Della Rocca, Dale S. Rosenthal, Edward A. Ryan and David M. Sparby resigned from the Company’s board of directors (the “Board”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"},{"claim_id":"f3198ef815e37ecb48267f6d1b3406c4412b4c4e","claim":"MDU RESOURCES GROUP INC completed a disposition (closed 2024-10-31).","evidence_excerpt":"On October 31, 2024, MDU Resources Group, Inc. (the “Company”) completed the previously announced separation of its construction services business, Everus Construction Group, Inc. (“Everus” and such separation, the “Separation”), through the pro rata distribution of all of the outstanding common stock, par value $0.01, of Everus to the Company’s stockholders (the “Distribution”).","evidence_source":"SEC 8-K Item 2.01/5.01","evidence_url":"https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm","confidence":0.9,"family_label":"M&A Transactions","details":[{"label":"Action","value":"disposition"},{"label":"Closing","value":"2024-10-31"}],"fact_type":"ma_transaction"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}