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