MDU RESOURCES GROUP INC — 4 Filings
842 4 filings on record
This page lists all 4 filings submitted to the SEC by MDU RESOURCES GROUP INC (MDU), sorted by most recent first. Each row links to the full filing on EdgarLookup. MDU RESOURCES GROUP INC has filed 842 4 documents with the SEC since 2010. To view all SEC filings by MDU RESOURCES GROUP INC, see the full filings list.
All
10-K
10-K/A
10-Q
11-K
11-K/A
15-12B
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
8-K12B
ARS
AW
CORRESP
DEF 14A
DEFA14A
DEFR14A
NO ACT
POS AM
POSASR
PRE 14A
PRER14A
S-3
S-3/A
S-3ASR
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001127602-16-056616 | Jun 30, 2016 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-16-056614 | Jun 30, 2016 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-16-047907 | Mar 31, 2016 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-16-047905 | Mar 31, 2016 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-16-041170 | Feb 16, 2016 | Feb 11, 2016 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-041176 | Feb 16, 2016 | Feb 11, 2016 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-041150 | Feb 16, 2016 | Feb 11, 2016 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-041158 | Feb 16, 2016 | Feb 11, 2016 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-041162 | Feb 16, 2016 | Feb 11, 2016 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-041167 | Feb 16, 2016 | Feb 11, 2016 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-037158 | Jan 19, 2016 | Dec 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-035263 | Jan 4, 2016 | Dec 31, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-16-035261 | Jan 4, 2016 | Dec 31, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-033744 | Dec 10, 2015 | Dec 9, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032009 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032019 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032008 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032021 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032011 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032012 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032014 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032016 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-032017 | Nov 19, 2015 | Nov 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-027866 | Sep 30, 2015 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-15-027861 | Sep 30, 2015 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-15-021870 | Jul 1, 2015 | Jun 30, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-021874 | Jul 1, 2015 | Jun 30, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-013017 | Apr 1, 2015 | Mar 31, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-013014 | Apr 1, 2015 | Mar 31, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-008850 | Feb 27, 2015 | Feb 26, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-008251 | Feb 25, 2015 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-15-007190 | Feb 19, 2015 | Feb 18, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-006869 | Feb 18, 2015 | Feb 17, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-15-006807 | Feb 18, 2015 | Feb 17, 2015 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-036199 | Dec 31, 2014 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-14-036197 | Dec 31, 2014 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-14-034794 | Dec 11, 2014 | Dec 10, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033051 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033049 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033052 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033030 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033043 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033046 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033032 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033034 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-033040 | Nov 20, 2014 | Nov 19, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-028666 | Oct 1, 2014 | Sep 30, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-028668 | Oct 1, 2014 | Sep 30, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-025659 | Aug 15, 2014 | Aug 13, 2014 |
| 4 | PRIMARY DOCUMENT | 0001127602-14-021837 | Jun 30, 2014 | — |