MDU RESOURCES GROUP INC — 5 Filings
12 5 filings on record
This page lists all 5 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 12 5 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 |
|---|---|---|---|---|
| 5 | — | 0001225208-22-000726 | Jan 13, 2022 | Dec 31, 2021 |
| 5 | PRIMARY DOCUMENT | 0001127602-19-001704 | Jan 9, 2019 | Dec 31, 2018 |
| 5 | PRIMARY DOCUMENT | 0001127602-18-002169 | Jan 19, 2018 | Dec 31, 2017 |
| 5 | PRIMARY DOCUMENT | 0001127602-18-002107 | Jan 18, 2018 | Dec 31, 2017 |
| 5 | PRIMARY DOCUMENT | 0001127602-18-000130 | Jan 2, 2018 | Dec 31, 2017 |
| 5 | PRIMARY DOCUMENT | 0001127602-14-002872 | Jan 24, 2014 | Dec 31, 2013 |
| 5 | PRIMARY DOCUMENT | 0001127602-13-001355 | Jan 8, 2013 | Dec 31, 2012 |
| 5 | PRIMARY DOCUMENT | 0001127602-12-003857 | Feb 3, 2012 | Dec 31, 2011 |
| 5 | PRIMARY DOCUMENT | 0001127602-10-003414 | Feb 3, 2010 | Dec 31, 2009 |
| 5 | PRIMARY DOCUMENT | 0000067716-06-000022 | Jan 30, 2006 | Dec 31, 2005 |
| 5 | PRIMARY DOCUMENT | 0000067716-05-000026 | Jan 31, 2005 | Dec 31, 2004 |
| 5 | PRIMARY DOCUMENT | 0000067716-04-000003 | Jan 2, 2004 | Dec 31, 2003 |