| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MDU | MDU RESOURCES GROUP INC | Barney David C | CEO-Knife River | Feb 16, 2023 | Option Exercise | $31.16 | 27,092 | 844,187 | 141,490 | Feb 21, 2023, 04:40 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO-Knife River | Feb 17, 2022 | Option Exercise | $27.73 | 48,361 | 1,341,051 | 93,949 | Feb 22, 2022, 05:16 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO-Knife River | Feb 11, 2021 | Option Exercise | $27.35 | 62,460 | 1,708,281 | 81,158 | Feb 16, 2021, 05:43 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO-Knife River | May 14, 2020 | Buy | $19.95 | 1,500 | 29,925 | 38,563 | May 14, 2020, 05:02 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO-Knife River | Feb 13, 2020 | Option Exercise | $31.63 | 4,286 | 135,566 | 38,282 | Feb 18, 2020, 03:32 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO - Knife River | Feb 14, 2019 | Option Exercise | $26.25 | 7,080 | 185,850 | 35,215 | Feb 19, 2019, 03:17 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO - Knife River | Feb 16, 2018 | Option Exercise | $27.48 | 4,558 | 125,254 | 15,807 | Feb 20, 2018, 04:14 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO - Knife River | Feb 16, 2017 | Option Exercise | $26.37 | 1,628 | 42,930 | 3,453 | Feb 21, 2017, 03:33 PM | |
| MDU | MDU RESOURCES GROUP INC | Barney David C | President & CEO - Knife River | Feb 16, 2017 | Option Exercise | $26.37 | 1,628 | 42,930 | 3,453 | Feb 21, 2017, 02:20 PM |
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