0001127602-19-017728.txt : 20190508 0001127602-19-017728.hdr.sgml : 20190508 20190508145843 ACCESSION NUMBER: 0001127602-19-017728 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190507 FILED AS OF DATE: 20190508 DATE AS OF CHANGE: 20190508 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wang Chenxi CENTRAL INDEX KEY: 0001776131 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-03480 FILM NUMBER: 19806296 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: 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 3 1 form3.xml PRIMARY DOCUMENT X0206 3 2019-05-07 1 0000067716 MDU RESOURCES GROUP INC MDU 0001776131 Wang Chenxi 1200 WEST CENTURY AVENUE BISMARCK ND 58503 1 /s/ Chenxi Wang 2019-05-08