| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | CFO | Aug 19, 2025 | Buy | $16.27 | 5,000 | 81,375 | 339,548 | Aug 19, 2025, 04:35 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | CFO | Feb 12, 2025 | Tax Payment (Shares) | $16.83 | 30,429 | 512,120 | 332,689 | Feb 14, 2025, 04:50 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 15, 2024 | Tax Payment (Shares) | $20.85 | 12,067 | 251,597 | 215,614 | Feb 16, 2024, 05:20 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 16, 2023 | Award/Grant | $31.16 | 16,581 | 516,664 | 105,518 | Feb 21, 2023, 04:45 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 16, 2023 | Tax Payment (Shares) | $31.16 | 6,486 | 202,104 | 99,032 | Feb 21, 2023, 04:45 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 17, 2022 | Award/Grant | $27.73 | 26,795 | 743,025 | 52,963 | Feb 22, 2022, 05:17 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 17, 2022 | Tax Payment (Shares) | $27.73 | 10,652 | 295,380 | 42,311 | Feb 22, 2022, 05:17 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 11, 2021 | Tax Payment (Shares) | $27.35 | 9,551 | 261,220 | 25,457 | Feb 16, 2021, 05:48 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP & CFO | Feb 11, 2021 | Award/Grant | $27.35 | 23,980 | 655,853 | 35,008 | Feb 16, 2021, 05:48 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | Nov 11, 2020 | Buy | $24.93 | 1,000 | 24,925 | 10,938 | Nov 12, 2020, 03:03 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | May 13, 2020 | Buy | $19.61 | 1,000 | 19,615 | 9,754 | May 14, 2020, 11:25 AM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | Mar 09, 2020 | Buy | $27.31 | 1,200 | 32,773 | 8,669 | Mar 10, 2020, 11:30 AM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | Feb 13, 2020 | Tax Payment (Shares) | $31.63 | 283 | 8,951 | 7,469 | Feb 18, 2020, 04:37 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | Feb 13, 2020 | Award/Grant | $31.63 | 899 | 28,435 | 7,752 | Feb 18, 2020, 04:37 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | Feb 14, 2019 | Tax Payment (Shares) | $26.25 | 1,907 | 50,059 | 6,651 | Feb 19, 2019, 03:45 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | VP, CFO & Treasurer | Feb 16, 2018 | Tax Payment (Shares) | $27.48 | 866 | 23,798 | 1,885 | Feb 20, 2018, 05:18 PM | |
| MDU | MDU RESOURCES GROUP INC | Jason L. Vollmer | Treasurer & Director of Cash | Feb 17, 2015 | Discretionary Trade | $21.68 | 909 | 19,707 | 2,605 | Feb 18, 2015, 06:32 PM |