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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001225208-21-008204
Filing Date
2021-05-17
Accepted
2021-05-17 15:31:40
Documents
1
Period of Report
2021-05-11

Document Format Files

Seq Description Document Type Size
1 doc3.html 3  
1 doc3.xml 3 1450
  Complete submission text file 0001225208-21-008204.txt   2836
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Issuer) CIK: 0000067716 (see all company filings)

IRS No.: 301133956 | Fiscal Year End: 1231
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address 101 CONSTITUTION AVENUE, NW WASHINGTON DC 20080
Business Address
Rosenthal Dale (Reporting) CIK: 0001620924 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-03480 | Film No.: 21929890