$MDU 10-K SEC Filings

Filed On	Filing
20 Feb 2026	10-K
20 Feb 2025	MDU RESOURCES FORM 10-K
22 Feb 2024	MDU RESOURCES 2023 FORM 10-K
24 Feb 2023	MDU RESOURCES 2022 FORM 10-K
23 Feb 2022	MDU RESOURCES 2021 FORM 10-K
19 Feb 2021	10-K
21 Feb 2020	10-K
22 Feb 2019	MDU RESOURCES 2018 FORM 10-K
23 Feb 2018	MDU RESOURCES 2017 FORM 10-K
24 Feb 2017	MDU RESOURCES 2016 FORM 10-K
19 Feb 2016	MDU RESOURCES 2015 FORM 10-K
20 Feb 2015	MDU RESOURCES 2014 FORM 10-K
21 Feb 2014	10-K
28 Feb 2013	MDU RESOURCES GROUP, INC. 2012 FORM 10-K
24 Feb 2012	MDU RESOURCES GROUP, INC. 2011 FORM 10-K
23 Feb 2011	MDU RESOURCES GROUP, INC. FORM 10-K FOR PERIOD ENDED 12/31/2010
17 Feb 2010	MDU RESOURCES GROUP, INC. FORM 10-K FOR PERIOD ENDED 12/31/2009
13 Feb 2009	FORM 10-K FOR THE PERIOD ENDED 12/31/2008
20 Feb 2008	MDU RESOURCES GROUP, INC. 2007 10-K
21 Feb 2007	MDU RESOURCES 2006 10-K