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MDU RESOURCES GROUP INC — 11-K Filings

39 11-K filings on record

This page lists all 11-K 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 39 11-K documents with the SEC since 2010. To view all SEC filings by MDU RESOURCES GROUP INC, see the full filings list.

Overview All Filings Financials Insiders
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
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-25-000061 Jun 18, 2025 Dec 31, 2024
11-K MDU RESOURCES FORM 11-K 0000067716-24-000070 Jun 26, 2024 Dec 31, 2023
11-K MDU RESOURCES FORM 11-K 0000067716-23-000080 Jun 21, 2023 Dec 31, 2022
11-K MDU RESOURCES FORM 11-K 0000067716-22-000041 Jun 27, 2022 Dec 31, 2021
11-K MDU RESOURCES FORM 11-K 0000067716-21-000037 Jun 22, 2021 Dec 31, 2020
11-K MDU RESOURCES FORM 11-K 0000067716-20-000036 Jun 12, 2020 Dec 31, 2019
11-K MDU RESOURCES FORM 11-K 0000067716-19-000053 Jun 14, 2019 Dec 31, 2018
11-K MDU RESOURCES FORM 11-K 0000067716-18-000044 Jun 15, 2018 Dec 31, 2017
11-K MDU RESOURCES FORM 11-K 0000067716-17-000056 Jun 16, 2017 Dec 31, 2016
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-16-000156 Jun 17, 2016 Dec 31, 2015
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-15-000075 Jun 12, 2015 Dec 31, 2014
11-K 11-K 0000067716-14-000080 Jun 18, 2014 Dec 31, 2013
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-13-000081 Jun 14, 2013 Dec 31, 2012
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-12-000052 Jun 14, 2012 Dec 31, 2011
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-11-000054 Jun 14, 2011 Dec 31, 2010
11-K MDU RESOURCES GROUP, INC. 2009 FORM 11-K 0000067716-10-000050 Jun 17, 2010 Dec 31, 2009
11-K FORM 11-K FOR YEAR ENDED 12/31/2008 - MDU RESOURCES GROUP, INC. 0000067716-09-000079 Jun 16, 2009 Dec 31, 2008
11-K MDU RESOURCES FORM 11-K 0000067716-08-000145 Jun 24, 2008 Dec 31, 2007
11-K MDU RESOURCES' 2006 11-K 0000067716-07-000129 Jun 28, 2007 Dec 31, 2006
11-K MDU RESOURCES' 2006 11-K 0000067716-07-000128 Jun 28, 2007 Dec 31, 2006
11-K MDU RESOURCES 2005 11-K 0000067716-06-000114 Jun 15, 2006 Dec 31, 2005
11-K MDU RESOURCES GROUP, INC. 2004 11-K 0000067716-05-000111 Jun 16, 2005 Dec 31, 2004
11-K MDU RESOURCES GROUP, INC. FORM 11-K 0000067716-04-000081 Jun 23, 2004 Dec 31, 2003
11-K FORM 11-K 0000067716-03-000027 Jun 26, 2003 Dec 31, 2002
11-K FORM 11-K 0000067716-02-000049 Jun 26, 2002 Dec 31, 2001
11-K FORM 11-K 0000067716-01-500041 Jun 26, 2001 Dec 31, 2000
11-K FORM 11-K 0000067716-00-000012 Mar 17, 2000 Dec 31, 1999
11-K NON-UNION 11-K 0000067716-99-000024 Mar 30, 1999 Dec 31, 1998
11-K UNION 11-K 0000067716-99-000023 Mar 30, 1999 Dec 31, 1998
11-K UNION 11-K 0000067716-98-000017 Mar 27, 1998 Dec 31, 1997
11-K NON-UNION 11-K 0000067716-98-000016 Mar 27, 1998 Dec 31, 1997
11-K NONUNION 11-K 0000067716-97-000006 Mar 28, 1997 Dec 31, 1996
11-K UNION 11-K 0000067716-97-000005 Mar 28, 1997 Dec 31, 1996
11-K NONUNION 11-K 0000067716-96-000010 Mar 29, 1996 Dec 31, 1995
11-K UNION 11-K 0000067716-96-000009 Mar 29, 1996 Dec 31, 1995
11-K NONUNION 11-K 0000067716-95-000006 Mar 29, 1995 Dec 31, 1994
11-K UNION 11-K 0000067716-95-000005 Mar 29, 1995 Dec 31, 1994
11-K UNION 11-K 0000067716-94-000016 Apr 12, 1994 Dec 31, 1993
11-K NONUNION 11-K 0000067716-94-000015 Apr 12, 1994 Dec 31, 1993