0001127602-17-028578.txt : 20171002 0001127602-17-028578.hdr.sgml : 20171002 20171002150409 ACCESSION NUMBER: 0001127602-17-028578 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170930 FILED AS OF DATE: 20171002 DATE AS OF CHANGE: 20171002 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Barth Stephanie A CENTRAL INDEX KEY: 0001718179 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-03480 FILM NUMBER: 171114252 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] IRS NUMBER: 410423660 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1200 WEST CENTURY AVENUE CITY: BISMARCK STATE: ND ZIP: 58503 BUSINESS PHONE: 701-530-1059 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 3 1 form3.xml PRIMARY DOCUMENT X0206 3 2017-09-30 0 0000067716 MDU RESOURCES GROUP INC MDU 0001718179 Barth Stephanie A 1200 WEST CENTURY AVENUE BISMARCK ND 58503 1 VP, CAO & Controller Common Stock 1157.827 D Common Stock 22.067 I Custodian Common Stock - (401-k) 57.38 I By Trustee As of the most recent quarter end, the number of shares may fluctuate daily depending on plan activity in the fund. /s/ Stephanie A. Barth 2017-10-02