Skip to main content

MDU RESOURCES GROUP INC

For the period ended Dec 31, 2025. Filed Feb 20, 2026.

View on SEC.gov

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 20, 2026

MDU$19.25+3.3%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits
Contents

Signatures

Index

Part IV

Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

MDU Resources Group, Inc.
Date:February 20, 2026By:/s/ Nicole A. Kivisto
Nicole A. Kivisto
(President and Chief Executive Officer)

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant in the capacities and on the date indicated.

SignatureTitleDate
/s/ Nicole A. KivistoPresident and Chief Executive OfficerFebruary 20, 2026
Nicole A. Kivisto
(President and Chief Executive Officer)
/s/ Jason L. VollmerChief Financial OfficerFebruary 20, 2026
Jason L. Vollmer
(Chief Financial Officer)
/s/ Stephanie A. SievertChief Accounting and Regulatory Affairs OfficerFebruary 20, 2026
Stephanie A. Sievert
(Chief Accounting and Regulatory Affairs Officer)
/s/ Darrel T. AndersonDirectorFebruary 20, 2026
Darrel T. Anderson
(Chair of the Board)
/s/ Vernon A. DoschDirectorFebruary 20, 2026
Vernon A. Dosch
/s/ Marian M. DurkinDirectorFebruary 20, 2026
Marian M. Durkin
/s/ Douglas W. JaegerDirectorFebruary 20, 2026
Douglas W. Jaeger
/s/ Dennis W. JohnsonDirectorFebruary 20, 2026
Dennis W. Johnson
/s/ Charles M. KelleyDirectorFebruary 20, 2026
Charles M. Kelley
/s/ Tammy J. MillerDirectorFebruary 20, 2026
Tammy J. Miller
/s/ Priti R. PatelDirectorFebruary 20, 2026
Priti R. Patel

MDU Resources Group, Inc. Form 10-K 125

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.