<SEC-DOCUMENT>0001127602-19-017728-index.html : 20190508 <SEC-HEADER>0001127602-19-017728.hdr.sgml : 20190508 <ACCEPTANCE-DATETIME>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 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>form3.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: form3.html
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