0001225208-26-006307.txt : 20260701 0001225208-26-006307.hdr.sgml : 20260701 20260701212217 ACCESSION NUMBER: 0001225208-26-006307 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260630 FILED AS OF DATE: 20260701 DATE AS OF CHANGE: 20260701 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DURKIN MARIAN M CENTRAL INDEX KEY: 0001332448 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-03480 FILM NUMBER: 261147513 MAIL ADDRESS: STREET 1: 1200 WEST CENTURY AVENUE CITY: BISMARCK STATE: ND ZIP: 58503 ISSUER: 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 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 4 1 doc4.xml