<SEC-DOCUMENT>0001539497-25-002057-index.html : 20250807
<SEC-HEADER>0001539497-25-002057.hdr.sgml : 20250807
<ACCEPTANCE-DATETIME>20250807172032
ACCESSION NUMBER:		0001539497-25-002057
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20250807
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20250807
DATE AS OF CHANGE:		20250807

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDU RESOURCES GROUP INC
		CENTRAL INDEX KEY:			0000067716
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				301133956
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03480
		FILM NUMBER:		251195404

	BUSINESS ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503
		BUSINESS PHONE:		701-530-1000

	MAIL ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONTANA DAKOTA UTILITIES CO
		DATE OF NAME CHANGE:	19850429
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>n5198_x3-8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: n5198_x3-8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.1 <SEQUENCE>2 <FILENAME>exh_1-1distributionagreement.htm <DESCRIPTION>DISTRIBUTION AGREEMENT, DATED AUGUST 7, 2025 <TEXT> Document 2 - file: exh_1-1distributionagreement.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.2 <SEQUENCE>3 <FILENAME>exh1-2_forwardconfirm.htm <DESCRIPTION>FORM OF MASTER FORWARD SALE CONFIRMATION <TEXT> Document 3 - file: exh1-2_forwardconfirm.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>4 <FILENAME>exh5-1_opinion.htm <DESCRIPTION>OPINION OF PERKINS COIE LLP <TEXT> Document 4 - file: exh5-1_opinion.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>5 <FILENAME>mdu-20250807.xsd <DESCRIPTION>XBRL SCHEMA FILE <TEXT> Document 5 - file: mdu-20250807.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>mdu-20250807_lab.xml <DESCRIPTION>XBRL LABEL FILE <TEXT> Document 6 - file: mdu-20250807_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>mdu-20250807_pre.xml <DESCRIPTION>XBRL PRESENTATION FILE <TEXT> Document 7 - file: mdu-20250807_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>perkins_coie.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: perkins_coie.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>10 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: FilingSummary.html
Document 14 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>16 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>17 <FILENAME>0001539497-25-002057-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 17 - file: 0001539497-25-002057-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>18 <FILENAME>n5198_x3-8k_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: n5198_x3-8k_htm.html
Document 18 - RAW XML: n5198_x3-8k_htm.xml
</DOCUMENT> </SEC-DOCUMENT>