---
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"
generated_at: "2026-05-30T07:08:10.373209+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MDU Resources completes spin-off of Everus Construction Group; Everus begins trading as ECG

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 1.02, 2.01, 5.02, 7.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-044885
- JSON: https://secwatch.observer/filing/0001140361-24-044885.json
- Plain text: https://secwatch.observer/filing/0001140361-24-044885.txt

## Key facts
- Executive change
  Jeffrey S. Thiede resigned as executive officer at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: executive officer
  source text: Jeffrey S. Thiede resigned from his position as an executive officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm
- Executive change
  Michael S. Della Rocca resigned as director at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: director
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm
- Executive change
  Dale S. Rosenthal resigned as director at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: director
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm
- Executive change
  James H. Gemmel resigned as director at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: director
  source text: effective as of immediately prior to the Effective Time, James H. Gemmel resigned from the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm
- Executive change
  David M. Sparby resigned as director at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: director
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm
- Executive change
  Edward A. Ryan resigned as director at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: director
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm
- M&A Transactions
  MDU RESOURCES GROUP INC completed a disposition (closed 2024-10-31).
  - Action: disposition
  - Closing: 2024-10-31
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/67716/000114036124044885/0001140361-24-044885-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.