| Filed On | Filing |
|---|---|
| 18 Jun 2025 | MDU RESOURCES GROUP, INC. FORM 11-K |
| 26 Jun 2024 | MDU RESOURCES FORM 11-K |
| 21 Jun 2023 | MDU RESOURCES FORM 11-K |
| 27 Jun 2022 | MDU RESOURCES FORM 11-K |
| 22 Jun 2021 | MDU RESOURCES FORM 11-K |
| 12 Jun 2020 | MDU RESOURCES FORM 11-K |
| 14 Jun 2019 | MDU RESOURCES FORM 11-K |
| 15 Jun 2018 | MDU RESOURCES FORM 11-K |
| 16 Jun 2017 | MDU RESOURCES FORM 11-K |
| 17 Jun 2016 | MDU RESOURCES GROUP, INC. FORM 11-K |
| 12 Jun 2015 | MDU RESOURCES GROUP, INC. FORM 11-K |
| 18 Jun 2014 | 11-K |
| 14 Jun 2013 | MDU RESOURCES GROUP, INC. FORM 11-K |
| 14 Jun 2012 | MDU RESOURCES GROUP, INC. FORM 11-K |
| 14 Jun 2011 | MDU RESOURCES GROUP, INC. FORM 11-K |
| 17 Jun 2010 | MDU RESOURCES GROUP, INC. 2009 FORM 11-K |
| 16 Jun 2009 | FORM 11-K FOR YEAR ENDED 12/31/2008 - MDU RESOURCES GROUP, INC. |
| 24 Jun 2008 | MDU RESOURCES FORM 11-K |
| 28 Jun 2007 | MDU RESOURCES' 2006 11-K |
| 28 Jun 2007 | MDU RESOURCES' 2006 11-K |
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