MDU RESOURCES GROUP INC 8-K

What Happened

• On February 5, 2026, MDU Resources Group, Inc. announced its financial results for the fourth quarter and full year 2025 via a news release furnished as Exhibit 99 to a Form 8-K. The company scheduled a webcast conference call on February 5, 2026 to discuss those results and provide a business update. The Form 8-K was signed by CFO Jason L. Vollmer.

Key Details

• Filed Form 8-K dated February 5, 2026 reporting Q4 and full-year 2025 results.
• News Release announcing the results is furnished as Exhibit 99 to the filing.
• Company held a webcast conference call on February 5, 2026 to review results and update the business.
• An investor presentation summarizing the results was posted to the Investor Relations section at investor.mdu.com (website materials are not incorporated into the 8-K).

Why It Matters

• This filing signals that MDU has released its latest quarterly and annual earnings information—material information investors use to assess revenue, earnings, and company outlook. Retail investors should review the news release and investor presentation (and listen to the webcast replay if available) for the actual financial figures, management commentary, and any guidance or business updates. The 8-K itself furnishes the release and presentation but does not embed detailed financial figures in the filing text.