# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000067716-22-000007
Filing Date
2022-02-09
Accepted
2022-02-09 17:11:10
Documents
15
Period of Report
2022-02-09
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES GROUP, INC. FORM 8-K | mdu-20220209.htm iXBRL | 8-K | 32537
2 | MDU RESOURCES GROUP, INC. EX 99 | a2021earningsreleaseex-99.htm | EX-99 | 711836
3 | MDU RESOURCES GROUP, INC. LOGO | mdurirpressreleasebasa17a.jpg | GRAPHIC | 748436
| Complete submission text file | 0000067716-22-000007.txt |  | 1954714

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20220209.xsd | EX-101.SCH | 2156
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20220209_def.xml | EX-101.DEF | 14890
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20220209_lab.xml | EX-101.LAB | 28968
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20220209_pre.xml | EX-101.PRE | 15506
9 | EXTRACTED XBRL INSTANCE DOCUMENT | mdu-20220209_htm.xml | XML | 11207

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)

EIN.: 301133956 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-03480 | Film No.: 22608164
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)