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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001225208-20-007669
Filing Date
2020-05-14
Accepted
2020-05-14 17:02:20
Documents
1
Period of Report
2020-05-14

Document Format Files

Seq Description Document Type Size
1 doc4.html 4  
1 doc4.xml 4 4397
  Complete submission text file 0001225208-20-007669.txt   5778
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 1150 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address
Barney David C (Reporting) CIK: 0001577222 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-03480 | Film No.: 20878753