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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-16-047907
Filing Date
2016-03-31
Accepted
2016-03-31 15:57:11
Documents
1
Period of Report
2016-03-31

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 4398
  Complete submission text file 0001127602-16-047907.txt   5835
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1059
MDU RESOURCES GROUP INC (Issuer) CIK: 0000067716 (see all company filings)

IRS No.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)

Mailing Address P O BOX 5650 BISMARCK ND 58506-5650
Business Address
Holaday A Bart (Reporting) CIK: 0001449564 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-03480 | Film No.: 161543268