Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001127602-18-025756
Filing Date
2018-08-20
Accepted
2018-08-20 11:40:07
Documents
1
Period of Report
2018-08-16

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form3.html 3  
1 PRIMARY DOCUMENT form3.xml 3 1344
  Complete submission text file 0001127602-18-025756.txt   2919
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 414 NICOLLET MALL MINNEAPOLIS MN 55401
Business Address 800 NICOLLET MALL MINNEAPOLIS MN 55402 612-330-7752
SPARBY DAVID M (Reporting) CIK: 0001159192 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-03480 | Film No.: 181027622