MDU RESOURCES GROUP INC — SC 13G/A Filings
50 SC 13G/A filings on record
This page lists all SC 13G/A 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 50 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | — | 0002012383-24-002622 | Nov 7, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-020081 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-002712 | Jan 24, 2024 | — |
| SC 13G/A | — | 0000093751-24-000088 | Jan 23, 2024 | — |
| SC 13G/A | — | 0000093751-23-000429 | Feb 10, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-015119 | Feb 9, 2023 | — |
| SC 13G/A | — | 0000093751-22-000282 | Feb 11, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016282 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-004026 | Feb 1, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017240 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-004655 | Jan 29, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017273 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-002210 | Feb 4, 2020 | — |
| SC 13G/A | — | 0000215457-19-008073 | Jun 7, 2019 | — |
| SC 13G/A | SC 13G/A | 0001144204-19-006734 | Feb 13, 2019 | — |
| SC 13G/A | — | 0000932471-19-005564 | Feb 11, 2019 | — |
| SC 13G/A | — | 0000215457-19-004756 | Feb 6, 2019 | — |
| SC 13G/A | SC 13G/A | 0001144204-18-007027 | Feb 12, 2018 | — |
| SC 13G/A | — | 0000932471-18-003825 | Feb 9, 2018 | — |
| SC 13G/A | — | 0000215457-18-003053 | Jan 25, 2018 | — |
| SC 13G/A | SC 13G/A | 0001144204-17-008678 | Feb 14, 2017 | — |
| SC 13G/A | — | 0000932471-17-001196 | Feb 10, 2017 | — |
| SC 13G/A | — | 0000932471-17-001748 | Feb 10, 2017 | — |
| SC 13G/A | — | 0000932471-17-001516 | Feb 10, 2017 | — |
| SC 13G/A | — | 0000353480-17-001205 | Jan 25, 2017 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT NO. 1 | 0001144204-16-081456 | Feb 12, 2016 | — |
| SC 13G/A | — | 0000932471-16-011579 | Feb 10, 2016 | — |
| SC 13G/A | — | 0000215457-16-003293 | Jan 26, 2016 | — |
| SC 13G/A | — | 0000932471-15-005010 | Feb 11, 2015 | — |
| SC 13G/A | — | 0001086364-15-000954 | Jan 26, 2015 | — |
| SC 13G/A | MDU AS OF 12/31/2013 | 0000080255-14-000397 | Feb 12, 2014 | — |
| SC 13G/A | — | 0000932471-14-003511 | Feb 11, 2014 | — |
| SC 13G/A | — | 0001086364-14-001213 | Jan 30, 2014 | — |
| SC 13G/A | SCHEDULE 13G/A - 12/31/2012 | 0001033244-13-000002 | Feb 14, 2013 | — |
| SC 13G/A | MDU AS OF 12/31/2012 | 0000080255-13-000182 | Feb 7, 2013 | — |
| SC 13G/A | — | 0001086364-13-002326 | Feb 5, 2013 | — |
| SC 13G/A | 13G/A - AS OF 12/31/11 | 0001033244-12-000004 | Feb 14, 2012 | — |
| SC 13G/A | — | 0001086364-12-001828 | Feb 13, 2012 | — |
| SC 13G/A | 13G/A FILING AS OF 12/31/10 | 0001033244-11-000006 | Feb 11, 2011 | — |
| SC 13G/A | — | 0001086364-11-002216 | Feb 2, 2011 | — |
| SC 13G/A | 13G/A FILING AS OF 12/31/09 | 0001033244-10-000004 | Feb 12, 2010 | — |
| SC 13G/A | 13G/A FILING AS OF 12/31/08 | 0001033244-09-000002 | Feb 13, 2009 | — |
| SC 13G/A | 13G/A FILING FOR 12/31/06 | 0001033244-08-000002 | Feb 14, 2008 | — |
| SC 13G/A | 13G/A FILING 12-31-06 | 0001033244-07-000005 | Feb 15, 2007 | — |
| SC 13G/A | 13G/A FILING FOR MDU RESOURCES GROUP 12-31-05 | 0001033244-06-000003 | Feb 13, 2006 | — |
| SC 13G/A | 13G/A FILING FOR MDU RESOURCES GROUP 12-31-04 | 0001033244-05-000003 | Feb 15, 2005 | — |
| SC 13G/A | 13G/A FILING FOR MDU RESOURCES GROUP 12-31-03 | 0001033244-04-000003 | Feb 18, 2004 | — |
| SC 13G/A | 13G/A FILING FOR MDU RESOURCES GROUP 12-31-02 | 0001033244-03-000003 | Feb 14, 2003 | — |
| SC 13G/A | SCHEDULE 13G - AMENDMENT NO. 2 | 0000932440-01-000048 | Feb 12, 2001 | — |
| SC 13G/A | SCHEDULE 13G/A | 0000898080-98-000075 | Apr 29, 1998 | — |