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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001225208-22-003564
Filing Date
2022-02-28
Accepted
2022-02-28 17:22:25
Documents
1
Period of Report
2021-02-11

Document Format Files

Seq Description Document Type Size
1 doc4.html 4  
1 doc4.xml 4 5770
  Complete submission text file 0001225208-22-003564.txt   7151
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 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address
Liepitz Karl A (Reporting) CIK: 0001840120 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-03480 | Film No.: 22691590