Looking at this filing, I need to identify the key financial data. The filing is a 10-Q for MDU Resources Group, Inc. for the quarterly period ended September 30, 2026, filed November 6, 2026. The ticker is MDU on the New York Stock Exchange. The filing content provided is primarily the cover page, definitions section, and table of contents - the actual financial statements and MD&A are referenced but their content is not included in the extracted text. I need to assess whether the substantive disclosure content meets the 150-word threshold. The substantive content here includes: the cover page details (shares outstanding: 213,407,857 as of October 29, 2026), the definitions section (which is substantive disclosure about the company's operations and structure, including references to Badger Wind Farm 250 MW, Bakken East pipeline ~350-mile, Big Stone Station 475-MW, Coyote Station 427-MW, etc.), and the table of contents outlining what the filing contains. The definitions section contains substantial information about the company's assets, subsidiaries, and projects. This exceeds 150 words of substantive content.

MDU Resources Group, Inc. filed its Form 10-Q with the SEC on November 6, 2026, covering the quarterly period ended September 30, 2026, disclosing operational structure, subsidiary details, and 213,407,857 common shares outstanding as of October 29, 2026.

Key Highlights

  • Shares outstanding: 213,407,857 shares of common stock (par value $1.00 per share) were outstanding as of October 29, 2026.
  • Large accelerated filer: The company indicated it is classified as a large accelerated filer under Exchange Act Rule 12b-2.
  • Bakken East Pipeline project: The filing describes an approximately 350-mile pipeline to transport natural gas from the Bakken region of North Dakota to eastern North Dakota, with a capacity of 1.4 billion cubic feet per day, plus additional pipeline laterals.
  • Badger Wind Farm: The company disclosed a 49.0 percent ownership interest in the 250 MW wind turbine farm near Wishek, North Dakota.
  • Big Stone Station: The filing identifies a 22.7 percent ownership stake in the 475-MW coal-fired electric generating facility near Big Stone City, South Dakota.
  • Coyote Station: The company disclosed a 25 percent ownership interest in the 427-MW coal-fired electric generating facility near Beulah, North Dakota.
  • Everus separation: The filing references the completed separation of Everus Construction, Inc., formerly known as MDU Construction Services Group, Inc. prior to March 12, 2024, from the company.

MDU Resources Q3 2026: Subsidiaries, Asset Ownership, and Corporate Structure

According to the filing, MDU Resources Group, Inc. (NYSE:MDU), headquartered at 1200 West Century Avenue, Bismarck, North Dakota, submitted its quarterly report for the period ended September 30, 2026. The registrant confirmed it had filed all required reports during the preceding 12 months and had submitted all required Interactive Data Files electronically. The company is incorporated in Delaware and carries I.R.S. Employer Identification No. 30-1133956.

The filing outlines the company's subsidiaries and operational entities. MDU Energy Capital, LLC is a direct wholly-owned subsidiary, with Montana-Dakota Utilities Co. and Cascade Natural Gas Corporation and Intermountain Gas Company among its indirect subsidiaries, according to the filing. The document also references CEHI, LLC (formerly Centennial Energy Holdings, Inc.) as a direct wholly-owned subsidiary, noting that the separation of Knife River from the company preceded the entity's renaming. The filing describes a Transition Services Agreement entered into in connection with the Everus separation, under which each party provided certain post-separation services on a transitional basis.

On infrastructure, the filing identifies the JETx project as a 345-kV transmission line from Jamestown, North Dakota to Ellendale, North Dakota, with a 50 percent ownership interest disclosed. The report also references an at-the-market equity distribution agreement and forward sale agreement as part of the company's disclosed financing mechanisms. The quarterly report covers consolidated financial statements for the three and nine months ended September 30, 2026 and 2025, including income statements, balance sheets, equity statements, and cash flow statements, as well as management's discussion and analysis and disclosures on regulatory matters, environmental allowances, debt, and employee benefit plans.

What Was Disclosed

MDU Resources Group, Inc. filed its September 30, 2026 quarterly report disclosing 213,407,857 shares outstanding as of October 29, 2026, its large accelerated filer status, ownership interests in several energy assets, and details on subsidiary and corporate structure following prior business separations.