EdgarLookup

MDU RESOURCES GROUP INC — 10-K Filings

33 10-K filings on record

This page lists all 10-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 33 10-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
10-K 10-K 0000067716-26-000014 Feb 20, 2026 Dec 31, 2025
10-K MDU RESOURCES FORM 10-K 0000067716-25-000016 Feb 20, 2025 Dec 31, 2024
10-K MDU RESOURCES 2023 FORM 10-K 0000067716-24-000017 Feb 22, 2024 Dec 31, 2023
10-K MDU RESOURCES 2022 FORM 10-K 0000067716-23-000017 Feb 24, 2023 Dec 31, 2022
10-K MDU RESOURCES 2021 FORM 10-K 0000067716-22-000012 Feb 23, 2022 Dec 31, 2021
10-K 10-K 0000067716-21-000007 Feb 19, 2021 Dec 31, 2020
10-K 10-K 0000067716-20-000010 Feb 21, 2020 Dec 31, 2019
10-K MDU RESOURCES 2018 FORM 10-K 0000067716-19-000019 Feb 22, 2019 Dec 31, 2018
10-K MDU RESOURCES 2017 FORM 10-K 0000067716-18-000013 Feb 23, 2018 Dec 31, 2017
10-K MDU RESOURCES 2016 FORM 10-K 0000067716-17-000017 Feb 24, 2017 Dec 31, 2016
10-K MDU RESOURCES 2015 FORM 10-K 0000067716-16-000116 Feb 19, 2016 Dec 31, 2015
10-K MDU RESOURCES 2014 FORM 10-K 0000067716-15-000027 Feb 20, 2015 Dec 31, 2014
10-K 10-K 0000067716-14-000029 Feb 21, 2014 Dec 31, 2013
10-K MDU RESOURCES GROUP, INC. 2012 FORM 10-K 0000067716-13-000021 Feb 28, 2013 Dec 31, 2012
10-K MDU RESOURCES GROUP, INC. 2011 FORM 10-K 0000067716-12-000031 Feb 24, 2012 Dec 31, 2011
10-K MDU RESOURCES GROUP, INC. FORM 10-K FOR PERIOD ENDED 12/31/2010 0000067716-11-000021 Feb 23, 2011 Dec 31, 2010
10-K MDU RESOURCES GROUP, INC. FORM 10-K FOR PERIOD ENDED 12/31/2009 0000067716-10-000030 Feb 17, 2010 Dec 31, 2009
10-K FORM 10-K FOR THE PERIOD ENDED 12/31/2008 0000067716-09-000026 Feb 13, 2009 Dec 31, 2008
10-K MDU RESOURCES GROUP, INC. 2007 10-K 0000067716-08-000048 Feb 20, 2008 Dec 31, 2007
10-K MDU RESOURCES 2006 10-K 0000067716-07-000045 Feb 21, 2007 Dec 31, 2006
10-K MDU RESOURCES GROUP, INC. 2005 10-K 0000067716-06-000058 Feb 22, 2006 Dec 31, 2005
10-K MDU RESOURCES GROUP, INC. 2004 10-K 0000067716-05-000048 Feb 23, 2005 Dec 31, 2004
10-K MDU RESOURCES GROUP, INC. 2003 10-K 0000067716-04-000045 Feb 27, 2004 Dec 31, 2003
10-K 2002 FORM 10-K 0000067716-03-000011 Feb 28, 2003 Dec 31, 2002
10-K FORM 10-K 0000067716-02-000023 Mar 1, 2002 Dec 31, 2001
10-K 2000 FORM 10-K 0000067716-01-500013 Mar 2, 2001 Dec 31, 2000
10-K 1999 FORM 10-K 0000067716-00-000008 Mar 3, 2000 Dec 31, 1999
10-K 1998 FORM 10-K 0000067716-99-000017 Mar 4, 1999 Dec 31, 1998
10-K 1997 FORM 10-K 0000067716-98-000009 Mar 6, 1998 Dec 31, 1997
10-K 1996 10-K 0000067716-97-000002 Feb 28, 1997 Dec 31, 1996
10-K 1995 10-K 0000067716-96-000004 Feb 28, 1996 Dec 31, 1995
10-K 1994 10-K 0000067716-95-000002 Mar 2, 1995 Dec 31, 1994
10-K 10-K 0000067716-94-000006 Mar 3, 1994 Dec 31, 1993