| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | Jan 24, 2024 | ||
| SC 13G/A | Report | Jan 23, 2024 | ||
| SC 13G/A | Report | Feb 10, 2023 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G | Report | Jan 24, 2023 | ||
| SC 13G/A | Report | Feb 11, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | Feb 1, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G | Report | Feb 9, 2021 | ||
| SC 13G/A | Report | Jan 29, 2021 | ||
| SC 13G | Report | Feb 14, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 4, 2020 | ||
| SC 13G/A | Report | Jun 7, 2019 | ||
| SC 13G | Report | MDU RESOURCES GROUP, INC. | Feb 14, 2019 | |
| SC 13G/A | Report | SC 13G/A | Feb 13, 2019 | |
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G/A | Report | Feb 6, 2019 | ||
| SC 13G | Report | MCDONALD'S CORPORATION | Feb 14, 2018 | |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2018 | |
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G/A | Report | Jan 25, 2018 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2017 | |
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G/A | Report | Feb 10, 2017 | ||
| SC 13G | Report | MDU RESOURCES GROUP, INC. | Feb 9, 2017 | |
| SC 13G/A | Report | Jan 25, 2017 | ||
| SC 13G | Report | MDU RESOURCES GROUP, INC. | Feb 16, 2016 | |
| SC 13G/A | Report | SCHEDULE 13G AMENDMENT NO. 1 | Feb 12, 2016 | |
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Jan 26, 2016 | ||
| SC 13G | Report | MDU | Feb 12, 2015 | |
| SC 13G | Report | SC 13G | Feb 12, 2015 | |
| SC 13G/A | Report | Feb 11, 2015 | ||
| SC 13G/A | Report | Jan 26, 2015 | ||
| SC 13G/A | Report | MDU AS OF 12/31/2013 | Feb 12, 2014 | |
| SC 13G/A | Report | Feb 11, 2014 | ||
| SC 13G | Report | MDU | Feb 3, 2014 | |
| SC 13G/A | Report | Jan 30, 2014 | ||
| SC 13G/A | Report | SCHEDULE 13G/A - 12/31/2012 | Feb 14, 2013 | |
| SC 13G | Report | Feb 13, 2013 | ||
| SC 13G | Report | Feb 12, 2013 | ||
| SC 13G/A | Report | MDU AS OF 12/31/2012 | Feb 7, 2013 | |
| SC 13G/A | Report | Feb 5, 2013 | ||
| SC 13G/A | Report | 13G/A - AS OF 12/31/11 | Feb 14, 2012 | |
| SC 13G | Report | MDU AS OF 12/31/2011 | Feb 14, 2012 | |
| SC 13G/A | Report | Feb 13, 2012 | ||
| SC 13G/A | Report | 13G/A FILING AS OF 12/31/10 | Feb 11, 2011 | |
| SC 13G/A | Report | Feb 2, 2011 | ||
| SC 13G/A | Report | 13G/A FILING AS OF 12/31/09 | Feb 12, 2010 | |
| SC 13G | Report | Jan 29, 2010 |