---
schema_version: "secwatch.filing_event.v1"
accession: "0000067716-22-000067"
form_type: "8-K"
ticker: "MDU"
cik: "0000067716"
company_name: "MDU RESOURCES GROUP INC"
filed_at: "2022-11-17T23:59:59+00:00"
generated_at: "2026-06-21T16:58:21.460563+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# MDU Resources names Brian Gray President of Knife River; David Barney remains CEO

## Summary
- David Barney resigns as Knife River President effective Dec 31, 2022; remains CEO.
- Brian Gray, previously President of Northwest Region, becomes President effective Jan 1, 2023.
- Knife River separation as independent publicly traded company on track for 2023 (tax-free spinoff).
- Gray led 7 acquisitions in Northwest since 2018, including Baker Rock Resources.

## SEC filing metadata
- accession: 0000067716-22-000067
- form_type: 8-K
- ticker: MDU
- cik: 0000067716
- company_name: MDU RESOURCES GROUP INC
- filed_at: 2022-11-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/67716/000006771622000067/0000067716-22-000067-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/67716/000006771622000067/mdu-20221117.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000067716-22-000067
- JSON: https://secwatch.observer/filing/0000067716-22-000067.json
- Plain text: https://secwatch.observer/filing/0000067716-22-000067.txt

## Key facts
- Executive change
  David C. Barney resigned as President of Knife River Corporation at MDU RESOURCES GROUP INC.
  - Action: resigned
  - Role: President of Knife River Corporation
  source text: On November 17, 2022, David C. Barney resigned his position as President of Knife River Corporation (“Knife River”) effective as of the end of the day December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000006771622000067/0000067716-22-000067-index.htm
- Executive change
  Brian R. Gray was appointed as President of Knife River Corporation at MDU RESOURCES GROUP INC.
  - Action: assume
  - Role: President of Knife River Corporation
  source text: Brian R. Gray, currently President of the Northwest Region of Knife River, will assume the President role at Knife River effective as of January 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000006771622000067/0000067716-22-000067-index.htm

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