---
schema_version: "secwatch.filing_event.v1"
accession: "0000067716-23-000004"
form_type: "8-K"
ticker: "MDU"
cik: "0000067716"
company_name: "MDU RESOURCES GROUP INC"
filed_at: "2023-01-24T23:59:59+00:00"
generated_at: "2026-06-20T11:10:42.552034+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# MDU Resources enters cooperation agreement with Corvex; appoints James Gemmel to board subject to FERC approval

## Summary
- James Gemmel appointed as non-voting board observer immediately; will become director upon FERC approval, increasing board size by one.
- Corvex agrees to standstill and voting commitments; Gemmel's resignation triggered upon separation of Knife River and MDU Construction Services.
- 2023 Annual Meeting scheduled for May 9; Gemmel's directorship term depends on timing of FERC approval relative to proxy mailing.
- MDU Resources is progressing with Knife River spinoff and strategic review of Construction Services Group.

## SEC filing metadata
- accession: 0000067716-23-000004
- form_type: 8-K
- ticker: MDU
- cik: 0000067716
- company_name: MDU RESOURCES GROUP INC
- filed_at: 2023-01-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/67716/000006771623000004/0000067716-23-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/67716/000006771623000004/mdu-20230124.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000067716-23-000004
- JSON: https://secwatch.observer/filing/0000067716-23-000004.json
- Plain text: https://secwatch.observer/filing/0000067716-23-000004.txt

## Key facts
- Executive change
  James Gemmel was appointed as non-voting observer (future director subject to FERC approval) at MDU RESOURCES GROUP INC.
  - Action: appointed
  - Role: non-voting observer (future director subject to FERC approval)
  source text: Mr. Gemmel (i) was appointed as a non-voting observer of the Board, effective immediately following the execution of the Cooperation Agreement on January 24, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000006771623000004/0000067716-23-000004-index.htm
- Material Agreements
  MDU RESOURCES GROUP INC entered into Cooperation Agreement with Keith A. Meister and Corvex Management LP (effective 2023-01-24).
  - Action: entry
  - Counterparty: Keith A. Meister and Corvex Management LP
  - Effective: 2023-01-24
  source text: On January 24, 2023, MDU Resources Group, Inc. (“MDU Resources” or the “Company”) entered into a Cooperation Agreement (the “Cooperation Agreement”) with Keith A. Meister and Corvex Management LP (Mr. Meister and Corvex Management LP, together with their respective affiliates, the “Corvex Group”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000006771623000004/0000067716-23-000004-index.htm

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