EDGAR Filing Documents for 0000067716-22-000041

Form 11-K - Annual report of employee stock purchase, savings and similar plans:

SEC Accession No. 0000067716-22-000041

Filing Date

2022-06-27

Accepted

2022-06-27 16:55:25

Documents

Period of Report

2021-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	MDU RESOURCES FORM 11-K	a2021form11-k.htm	11-K	213255
2	CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM	a2021form11-kex23.htm	EX-23	1998
	Complete submission text file	0000067716-22-000041.txt		216334

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 (Filer) CIK: 0000067716 (see all company filings)

IRS No.: 301133956 | Fiscal Year End: 1231
Type: 11-K | Act: 34 | File No.: 001-03480 | Film No.: 221045355
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)