Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-14-016858
Filing Date
2014-05-08
Accepted
2014-05-08 17:15:09
Documents
1
Period of Report
2014-05-07

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 3694
  Complete submission text file 0001127602-14-016858.txt   5136
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)

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

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address
Ring Nathan W (Reporting) CIK: 0001596125 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-03480 | Film No.: 14825999