# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000067716-21-000041
Filing Date
2021-08-04
Accepted
2021-08-04 17:05:32
Documents
15
Period of Report
2021-08-04
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-20210804.htm iXBRL | 8-K | 32407
2 | MDU RESOURCES GROUP, INC. EX 99 | a2021q2ex99.htm | EX-99 | 575485
3 | MDU RESOURCES GROUP, INC. LOGO | mdurirpressreleasebasa18a.jpg | GRAPHIC | 748436
| Complete submission text file | 0000067716-21-000041.txt |  | 1809133

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20210804.xsd | EX-101.SCH | 2162
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20210804_def.xml | EX-101.DEF | 14946
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20210804_lab.xml | EX-101.LAB | 29024
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20210804_pre.xml | EX-101.PRE | 15562
8 | EXTRACTED XBRL INSTANCE DOCUMENT | mdu-20210804_htm.xml | XML | 11211

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.: 211145043
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)