<SEC-DOCUMENT>0001225208-21-002549-index.html : 20210216 <SEC-HEADER>0001225208-21-002549.hdr.sgml : 20210216 <ACCEPTANCE-DATETIME>20210216174823 ACCESSION NUMBER: 0001225208-21-002549 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210211 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210216 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Vollmer Jason L CENTRAL INDEX KEY: 0001626019 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-03480 FILM NUMBER: 21641387 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>4 <SEQUENCE>1 <FILENAME>doc4.xml <TEXT> Document 1 - file: doc4.html
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