3.7M
XNYS Volume
High volume today
XNYS 21 Mar, 2025 5:30 PM (EDT)
| Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|
| Nicole A. Kivisto | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 45,969 | 568,409 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.83 per share. | 12 Feb 2025 | 30,316 | 538,093 (0%) | 0% | 16.8 | 510,218 | Common Stock |
| Jason L. Vollmer | CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.83 per share. | 12 Feb 2025 | 30,429 | 332,689 (0%) | 0% | 16.8 | 512,120 | Common Stock |
| Jason L. Vollmer | CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 16,700 | 363,118 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | ChiefHRAdmin&SafetyOfficer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.83 per share. | 12 Feb 2025 | 10,778 | 124,504 (0%) | 0% | 16.8 | 181,394 | Common Stock |
| Anne M. Jones | ChiefHRAdmin&SafetyOfficer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 6,026 | 135,282 (0%) | 0% | 0 | Common Stock | |
| Stephanie A. Sievert | ChiefAccntg&RegAffairsOfficer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.83 per share. | 12 Feb 2025 | 9,506 | 96,333 (0%) | 0% | 16.8 | 159,986 | Common Stock |
| Stephanie A. Sievert | ChiefAccntg&RegAffairsOfficer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 4,974 | 105,839 (0%) | 0% | 0 | Common Stock | |
| Rob L. Johnson | President-WBI | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.83 per share. | 12 Feb 2025 | 6,778 | 87,465 (0%) | 0% | 16.8 | 114,074 | Common Stock |
| Rob L. Johnson | President-WBI | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 5,785 | 94,243 (0%) | 0% | 0 | Common Stock | |
| Garret Senger | Chief Utilities Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 7,514 | 108,765 (0%) | 0% | 0 | Common Stock | |
| Garret Senger | Chief Utilities Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.83 per share. | 12 Feb 2025 | 7,470 | 101,295 (0%) | 0% | 16.8 | 125,720 | Common Stock |
| Anthony Donald Foti | CLO & Corporate Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 8,473 | 8,473 (0%) | 0% | 0 | Common Stock | |
| Dyke A. Boese | CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Feb 2025 | 3,382 | 3,382 (0%) | 0% | 0 | Common Stock | |
| Dennis W. Johnson | Director | Purchase of securities on an exchange or from another person at price $ 16.64 per share. | 10 Feb 2025 | 30,000 | 180,166 (0%) | 0% | 16.6 | 499,200 | Common Stock |
| Dennis W. Johnson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Nov 2024 | 9,541 | 150,166 (0%) | 0% | 0 | Common Stock | |
| Marian M. Durkin | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Nov 2024 | 3,407 | 3,407 (0%) | 0% | 0 | Common Stock | |
| Darrel T. Anderson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Nov 2024 | 8,178 | 9,512 (0%) | 0% | 0 | Common Stock | |
| Chenxi Wang | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Nov 2024 | 8,178 | 33,691 (0%) | 0% | 0 | Common Stock | |
| Douglas W. Jaeger | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Nov 2024 | 5,452 | 5,452 (0%) | 0% | 0 | Common Stock | |
| Vernon A. Dosch | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Nov 2024 | 1,363 | 2,613 (0%) | 0% | 0 | Common Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Oct 2024 | 370 | 24,905 | - | - | Phantom Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2024 | 1,181 | 24,424 | - | - | Phantom Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Jun 2024 | 1,294 | 23,134 | - | - | Phantom Stock | |
| Rob L. Johnson | President-WBI Holdings | Purchase of securities on an exchange or from another person at price $ 25.46 per share. | 07 May 2024 | 36,291 | 41,933 | - | 25.5 | 923,970 | Common Stock - 401(k) |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Mar 2024 | 1,308 | 21,737 | - | - | Phantom Stock | |
| Dale S. Rosenthal | Director | Purchase of securities on an exchange or from another person at price $ 22.55 per share. | 12 Mar 2024 | 375 | 16,499 (0%) | 0% | 22.5 | 8,456 | Common Stock |
| Anne Jones M. | VP & CHRO | 22 Feb 2024 | 10,624 | 10,624 | - | 20.9 | 221,621 | Common Stock - 401(k) | |
| R. Paul Sanderson | VP, CLO & Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 21,248 | 38,066 (0%) | 0% | 0 | Common Stock | |
| Vollmer Jason L. | VP & CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 12,067 | 215,614 (0%) | 0% | 20.9 | 251,597 | Common Stock |
| A. Link Margaret | VP and CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 16,008 | 78,474 (0%) | 0% | 0 | Common Stock | |
| Stephanie Sievert A. | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 15,018 | 67,398 (0%) | 0% | 0 | Common Stock | |
| Garret Senger | Chief Utilities Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 2,894 | 60,298 (0%) | 0% | 20.9 | 60,340 | Common Stock |
| Johnson L. Rob | President-WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 2,471 | 53,431 (0%) | 0% | 20.8 | 51,520 | Common Stock |
| Thiede Jeffrey S. | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 55,260 | 281,214 (0%) | 0% | 0 | Common Stock | |
| L. Johnson Rob | President-WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 15,936 | 55,902 (0%) | 0% | 0 | Common Stock | |
| M. Anne Jones | VP & CHRO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 19,742 | 88,307 (0%) | 0% | 0 | Common Stock | |
| Kivisto Nicole A. | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 12,525 | 323,284 (0%) | 0% | 20.8 | 261,146 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 12,046 | 269,168 (0%) | 0% | 20.8 | 251,159 | Common Stock |
| Nicole Kivisto A. | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 134,089 | 335,809 (0%) | 0% | 0 | Common Stock | |
| A. Sievert Stephanie | VP, CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 3,842 | 63,556 (0%) | 0% | 20.9 | 80,106 | Common Stock |
| M. Anne Jones | VP & CHRO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 4,160 | 84,147 (0%) | 0% | 20.9 | 86,736 | Common Stock |
| L. Vollmer Jason | VP & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 56,459 | 227,681 (0%) | 0% | 0 | Common Stock | |
| Senger Garret | Chief Utilities Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Feb 2024 | 24,755 | 63,192 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 15 Feb 2024 | 4,088 | 74,386 (0%) | 0% | 20.9 | 85,235 | Common Stock |
| L. Goodin David | Director | Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.85 per share. | 05 Jan 2024 | 47,350 | 595,557 (0%) | 0% | 20.9 | 987,248 | Common Stock |
| Goodin L. David | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 05 Jan 2024 | 99,649 | 642,907 (0%) | 0% | 0 | Common Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 18.73 per share. | 15 Nov 2023 | 8,008 | 43,463 (0%) | 0% | 18.7 | 149,990 | Common Stock |
| Dennis W. Johnson | Director | Grant, award, or other acquisition of securities at price $ 18.73 per share. | 15 Nov 2023 | 9,343 | 139,364 (0%) | 0% | 18.7 | 174,994 | Common Stock |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 18.73 per share. | 15 Nov 2023 | 8,008 | 44,727 (0%) | 0% | 18.7 | 149,990 | Common Stock |
| Dale S. Rosenthal | Director | Grant, award, or other acquisition of securities at price $ 18.73 per share. | 15 Nov 2023 | 8,008 | 16,124 (0%) | 0% | 18.7 | 149,990 | Common Stock |
| Chenxi Wang | Director | Grant, award, or other acquisition of securities at price $ 18.73 per share. | 15 Nov 2023 | 8,008 | 25,513 (0%) | 0% | 18.7 | 149,990 | Common Stock |
| James H. Gemmel | Director | Grant, award, or other acquisition of securities at price $ 18.73 per share. | 15 Nov 2023 | 8,008 | 8,008 (0%) | 0% | 18.7 | 149,990 | Common Stock |
| Rob L. Johnson | President-WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Jul 2023 | 4,341 | 39,966 (0%) | 0% | 0 | Common Stock | |
| Paul R. Sanderson | VP, CLO & Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Jul 2023 | 16,818 | 16,818 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 19,064 | 149,678 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 14,263 | 163,941 (0%) | 0% | 0 | Common Stock | |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 71,940 | 554,219 (0%) | 0% | 0 | Common Stock | |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 52,461 | 606,680 (0%) | 0% | 0 | Common Stock | |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 14,263 | 185,791 (0%) | 0% | 0 | Common Stock | |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 19,064 | 171,528 (0%) | 0% | 0 | Common Stock | |
| Jason L. Vollmer | VP & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 13,771 | 132,260 (0%) | 0% | 0 | Common Stock | |
| Jason L. Vollmer | VP & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 19,064 | 118,489 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | VP & CHRO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 6,924 | 49,978 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | VP & CHRO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 5,170 | 55,148 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 6,438 | 44,254 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 5,058 | 49,312 (0%) | 0% | 0 | Common Stock | |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 4,721 | 40,507 (0%) | 0% | 0 | Common Stock | |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 6,061 | 35,786 (0%) | 0% | 0 | Common Stock | |
| Trevor J. Hastings | President & CEO-WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 8,992 | 69,509 (0%) | 0% | 0 | Common Stock | |
| Trevor J. Hastings | President & CEO-WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 6,850 | 76,359 (0%) | 0% | 0 | Common Stock | |
| Karl A. Liepitz | VP, Gen Counsel & Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 11,016 | 64,283 (0%) | 0% | 0 | Common Stock | |
| Karl A. Liepitz | VP, Gen Counsel & Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 May 2023 | 15,826 | 53,267 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 7,172 | 130,528 (0%) | 0% | 31.2 | 223,480 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 30,736 | 119,329 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 18,371 | 137,700 (0%) | 0% | 31.2 | 572,440 | Common Stock |
| David L. Goodin | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 31,095 | 482,279 (0%) | 0% | 31.2 | 968,920 | Common Stock |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 75,369 | 513,374 (0%) | 0% | 31.2 | 2,348,498 | Common Stock |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 105,193 | 438,005 (0%) | 0% | 0 | Common Stock | |
| David C. Barney | CEO-Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 8,721 | 132,769 (0%) | 0% | 31.2 | 271,746 | Common Stock |
| David C. Barney | CEO-Knife River | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 30,792 | 123,119 (0%) | 0% | 0 | Common Stock | |
| David C. Barney | CEO-Knife River | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 18,371 | 141,490 (0%) | 0% | 31.2 | 572,440 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 30,736 | 140,160 (0%) | 0% | 0 | Common Stock | |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 18,371 | 158,531 (0%) | 0% | 31.2 | 572,440 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 6,851 | 151,680 (0%) | 0% | 31.2 | 213,477 | Common Stock |
| Jason L. Vollmer | VP & CFO | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 16,581 | 105,518 (0%) | 0% | 31.2 | 516,664 | Common Stock |
| Jason L. Vollmer | VP & CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 6,486 | 99,032 (0%) | 0% | 31.2 | 202,104 | Common Stock |
| Jason L. Vollmer | VP & CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 31,574 | 88,937 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | VP & CHRO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 2,002 | 43,054 (0%) | 0% | 31.2 | 62,382 | Common Stock |
| Anne M. Jones | VP & CHRO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 10,650 | 39,404 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | VP & CHRO | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 5,652 | 45,056 (0%) | 0% | 31.2 | 176,116 | Common Stock |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 2,009 | 37,647 (0%) | 0% | 31.2 | 62,600 | Common Stock |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 5,652 | 39,656 (0%) | 0% | 31.2 | 176,116 | Common Stock |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 9,809 | 34,004 (0%) | 0% | 0 | Common Stock | |
| Stephanie A. Barth | VP, CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 1,892 | 29,711 (0%) | 0% | 31.2 | 58,955 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 5,275 | 31,603 (0%) | 0% | 31.2 | 164,369 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 9,204 | 26,328 (0%) | 0% | 0 | Common Stock | |
| Trevor J. Hastings | President & CEO - WBI Holdings | Grant, award, or other acquisition of securities at price $ 31.16 per share. | 16 Feb 2023 | 11,147 | 64,955 (0%) | 0% | 31.2 | 347,341 | Common Stock |
| Trevor J. Hastings | President & CEO - WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.16 per share. | 16 Feb 2023 | 4,438 | 60,517 (0%) | 0% | 31.2 | 138,288 | Common Stock |
| Trevor J. Hastings | President & CEO - WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 13,806 | 53,808 (0%) | 0% | 0 | Common Stock | |
| Karl A. Liepitz | VP, Gen Counsel & Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2023 | 26,265 | 37,441 (0%) | 0% | 0 | Common Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 35,455 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| Dennis W. Johnson | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 5,712 | 127,632 (0%) | 0% | 30.6 | 174,999 | Common Stock |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 36,719 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| Karen B. Fagg | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 92,827 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| Patricia L. Moss | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 92,212 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| Thomas S. Everist | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 110,626 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| Dale S. Rosenthal | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 8,116 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| Chenxi Wang | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 4,896 | 17,505 (0%) | 0% | 30.6 | 149,999 | Common Stock |
| German Carmona-Alvarez | Director | Grant, award, or other acquisition of securities at price $ 30.64 per share. | 21 Nov 2022 | 816 | 816 (0%) | 0% | 30.6 | 25,000 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2022 | 1,179 | 12,129 | - | - | Phantom Stock | |
| Patricia L. Moss | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Aug 2022 | 1,500 | 87,316 (0%) | 0% | 0 | Common Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2022 | 1,133 | 10,872 | - | - | Phantom Stock | |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2022 | 1,133 | 9,668 | - | - | Phantom Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 32,656 | 87,574 (0%) | 0% | 27.7 | 905,551 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 12,948 | 74,626 (0%) | 0% | 27.7 | 359,048 | Common Stock |
| David L. Goodin | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 55,224 | 280,841 (0%) | 0% | 27.7 | 1,531,362 | Common Stock |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 133,980 | 336,065 (0%) | 0% | 27.7 | 3,715,265 | Common Stock |
| David C. Barney | President & CEO-Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 15,705 | 78,244 (0%) | 0% | 27.7 | 435,500 | Common Stock |
| David C. Barney | President & CEO-Knife River | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 32,656 | 93,949 (0%) | 0% | 27.7 | 905,551 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 12,346 | 92,533 (0%) | 0% | 27.7 | 342,355 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 32,656 | 104,879 (0%) | 0% | 27.7 | 905,551 | Common Stock |
| Jason L. Vollmer | VP & CFO | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 26,795 | 52,962 (0%) | 0% | 27.7 | 743,025 | Common Stock |
| Jason L. Vollmer | VP & CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 10,652 | 42,310 (0%) | 0% | 27.7 | 295,380 | Common Stock |
| Anne M. Jones | VP & CHRO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 3,395 | 23,499 (0%) | 0% | 27.7 | 94,143 | Common Stock |
| Anne M. Jones | VP & CHRO | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 8,875 | 26,894 (0%) | 0% | 27.7 | 246,104 | Common Stock |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 3,400 | 18,768 (0%) | 0% | 27.7 | 94,282 | Common Stock |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 8,875 | 22,168 (0%) | 0% | 27.7 | 246,104 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 3,222 | 12,538 (0%) | 0% | 27.7 | 89,346 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 8,373 | 15,760 (0%) | 0% | 27.7 | 232,183 | Common Stock |
| Trevor J Hastings | President & CEO - WBI Holdings | Grant, award, or other acquisition of securities at price $ 27.73 per share. | 17 Feb 2022 | 18,421 | 40,760 (0%) | 0% | 27.7 | 510,814 | Common Stock |
| Trevor J Hastings | President & CEO - WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.73 per share. | 17 Feb 2022 | 7,398 | 33,362 (0%) | 0% | 27.7 | 205,147 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 4,831 | 30,559 (0%) | 0% | 29.0 | 139,993 | Common Stock |
| Dennis W. Johnson | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 5,693 | 119,658 (0%) | 0% | 29.0 | 164,972 | Common Stock |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 4,831 | 31,451 (0%) | 0% | 29.0 | 139,993 | Common Stock |
| Karen B. Fagg | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 4,831 | 87,931 (0%) | 0% | 29.0 | 139,993 | Common Stock |
| Patricia L. Moss | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 4,831 | 88,816 (0%) | 0% | 29.0 | 139,993 | Common Stock |
| Thomas S. Everist | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 4,831 | 105,730 (0%) | 0% | 29.0 | 139,993 | Common Stock |
| Dale S. Rosenthal | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 3,220 | 3,220 (0%) | 0% | 29.0 | 93,309 | Common Stock |
| Chenxi Wang | Director | Grant, award, or other acquisition of securities at price $ 28.98 per share. | 16 Nov 2021 | 4,831 | 12,609 (0%) | 0% | 29.0 | 139,993 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2021 | 998 | 7,462 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 30.03 per share. | 30 Sep 2021 | 382 | 26,620 (0%) | 0% | 30.0 | 11,471 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2021 | 877 | 6,425 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 31.03 per share. | 30 Jun 2021 | 338 | 26,238 (0%) | 0% | 31.0 | 10,487 | Common Stock |
| Thomas S. Everist | Director | Sale of securities on an exchange or to another person at price $ 33.04 per share. | 14 Jun 2021 | 17,795 | 556,526 (0%) | 0% | 33.0 | 587,876 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Sale of securities on an exchange or to another person at price $ 33.26 per share. | 11 Jun 2021 | 7,410 | 54,907 (0%) | 0% | 33.3 | 246,449 | Common Stock |
| Thomas S. Everist | Director | Sale of securities on an exchange or to another person at price $ 34.00 per share. | 09 Jun 2021 | 1 | 574,321 (0%) | 0% | 34 | 34 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Sale of securities on an exchange or to another person at price $ 33.51 per share. | 08 Jun 2021 | 7,410 | 62,317 (0%) | 0% | 33.5 | 248,322 | Common Stock |
| Thomas S. Everist | Director | Sale of securities on an exchange or to another person at price $ 33.51 per share. | 08 Jun 2021 | 50,000 | 574,322 (0%) | 0% | 33.5 | 1,675,700 | Common Stock |
| Thomas S. Everist | Director | Sale of securities on an exchange or to another person at price $ 33.70 per share. | 07 Jun 2021 | 75,000 | 624,322 (0%) | 0% | 33.7 | 2,527,725 | Common Stock |
| Thomas S. Everist | Director | Sale of securities on an exchange or to another person at price $ 33.97 per share. | 04 Jun 2021 | 70,678 | 699,322 (0%) | 0% | 34.0 | 2,400,967 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2021 | 832 | 5,516 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 31.30 per share. | 31 Mar 2021 | 319 | 25,900 (0%) | 0% | 31.3 | 9,986 | Common Stock |
| Patricia L. Moss | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 23 Feb 2021 | 1,550 | 83,985 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 11,693 | 69,272 (0%) | 0% | 27.4 | 319,804 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 29,463 | 80,965 (0%) | 0% | 27.3 | 805,813 | Common Stock |
| David L. Goodin | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 47,783 | 341,666 (0%) | 0% | 27.3 | 1,306,865 | Common Stock |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 117,690 | 389,449 (0%) | 0% | 27.4 | 3,218,822 | Common Stock |
| David C. Barney | President & CEO-Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 15,012 | 61,293 (0%) | 0% | 27.3 | 410,578 | Common Stock |
| David C. Barney | President & CEO-Knife River | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 31,176 | 69,739 (0%) | 0% | 27.4 | 852,664 | Common Stock |
| David C. Barney | President & CEO-Knife River | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 11,419 | 81,158 (0%) | 0% | 27.4 | 312,310 | Common Stock |
| David C. Barney | President & CEO-Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 4,853 | 76,305 (0%) | 0% | 27.4 | 132,730 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 11,419 | 85,737 (0%) | 0% | 27.4 | 312,310 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 11,791 | 70,261 (0%) | 0% | 27.4 | 322,484 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 3,685 | 82,052 (0%) | 0% | 27.4 | 100,785 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 31,176 | 74,318 (0%) | 0% | 27.4 | 852,664 | Common Stock |
| Jason L. Vollmer | VP & CFO | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 23,980 | 35,007 (0%) | 0% | 27.4 | 655,853 | Common Stock |
| Jason L. Vollmer | VP & CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 9,551 | 25,456 (0%) | 0% | 27.4 | 261,220 | Common Stock |
| Anne M. Jones | VP-Human Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 2,469 | 17,530 (0%) | 0% | 27.3 | 67,527 | Common Stock |
| Anne M. Jones | VP-Human Resources | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 7,096 | 19,999 (0%) | 0% | 27.4 | 194,076 | Common Stock |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 7,065 | 15,391 (0%) | 0% | 27.4 | 193,228 | Common Stock |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 2,459 | 12,932 (0%) | 0% | 27.4 | 67,254 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 2,212 | 7,335 (0%) | 0% | 27.3 | 60,498 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 6,280 | 9,547 (0%) | 0% | 27.4 | 171,758 | Common Stock |
| Trevor J Hastings | President & CEO - WBI Holdings | Grant, award, or other acquisition of securities at price $ 27.35 per share. | 11 Feb 2021 | 15,415 | 28,557 (0%) | 0% | 27.3 | 421,600 | Common Stock |
| Trevor J Hastings | President & CEO - WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.35 per share. | 11 Feb 2021 | 6,218 | 22,339 (0%) | 0% | 27.3 | 170,062 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2020 | 1,013 | 4,654 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 25.97 per share. | 31 Dec 2020 | 481 | 25,581 (0%) | 0% | 26.0 | 12,492 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 25,728 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Dennis W. Johnson | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 5,905 | 111,937 (0%) | 0% | 25.4 | 149,993 | Common Stock |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 25,100 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| John K. Wilson | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 138,808 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Karen B. Fagg | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 83,100 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Mark A. Hellerstein | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 33,207 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Patricia L. Moss | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 85,535 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Thomas S. Everist | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 100,899 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Chenxi Wang | Director | Grant, award, or other acquisition of securities at price $ 25.40 per share. | 17 Nov 2020 | 4,921 | 7,778 (0%) | 0% | 25.4 | 124,998 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Purchase of securities on an exchange or from another person at price $ 24.92 per share. | 11 Nov 2020 | 600 | 10,538 (0%) | 0% | 24.9 | 14,955 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Purchase of securities on an exchange or from another person at price $ 24.92 per share. | 11 Nov 2020 | 400 | 10,938 (0%) | 0% | 24.9 | 9,970 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2020 | 1,177 | 3,617 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 22.39 per share. | 30 Sep 2020 | 558 | 20,179 (0%) | 0% | 22.4 | 12,496 | Common Stock |
| David M. Sparby | Director | Purchase of securities on an exchange or from another person at price $ 22.52 per share. | 20 Aug 2020 | 2,000 | 20,807 (0%) | 0% | 22.5 | 45,040 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2020 | 1,209 | 2,429 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 22.30 per share. | 30 Jun 2020 | 560 | 19,621 (0%) | 0% | 22.3 | 12,488 | Common Stock |
| Margaret A. Link | VP and CIO | 21 May 2020 | 4,930 | 14,545 | - | 21.3 | 104,950 | Common Stock - 401(k) | |
| Margaret A. Link | VP and CIO | Purchase of securities on an exchange or from another person at price $ 21.39 per share. | 18 May 2020 | 5,000 | 5,000 (0%) | 0% | 21.4 | 106,949 | Common Stock |
| Dennis W. Johnson | Director | Purchase of securities on an exchange or from another person at price $ 18.80 per share. | 14 May 2020 | 5,000 | 104,752 (0%) | 0% | 18.8 | 93,975 | Common Stock |
| David C. Barney | President & CEO-Knife River | Purchase of securities on an exchange or from another person at price $ 19.95 per share. | 14 May 2020 | 1,500 | 38,563 (0%) | 0% | 20.0 | 29,925 | Common Stock |
| David M. Sparby | Director | Purchase of securities on an exchange or from another person at price $ 20.16 per share. | 13 May 2020 | 4,000 | 18,807 (0%) | 0% | 20.2 | 80,640 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Purchase of securities on an exchange or from another person at price $ 19.62 per share. | 13 May 2020 | 1,000 | 9,753 (0%) | 0% | 19.6 | 19,615 | Common Stock |
| David L. Goodin | Director, President & CEO | Purchase of securities on an exchange or from another person at price $ 20.16 per share. | 12 May 2020 | 5,000 | 271,759 (0%) | 0% | 20.2 | 100,820 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Purchase of securities on an exchange or from another person at price $ 21.07 per share. | 12 May 2020 | 1,278 | 3,219 (0%) | 0% | 21.1 | 26,925 | Common Stock |
| David M. Sparby | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2020 | 1,219 | 1,219 | - | - | Phantom Stock | |
| Edward A. Ryan | Director | Grant, award, or other acquisition of securities at price $ 21.34 per share. | 31 Mar 2020 | 585 | 19,061 (0%) | 0% | 21.3 | 12,484 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Purchase of securities on an exchange or from another person at price $ 27.32 per share. | 09 Mar 2020 | 200 | 8,668 (0%) | 0% | 27.3 | 5,463 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Purchase of securities on an exchange or from another person at price $ 27.31 per share. | 09 Mar 2020 | 1,000 | 8,468 (0%) | 0% | 27.3 | 27,310 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 2,714 | 50,561 (0%) | 0% | 31.6 | 85,844 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 851 | 49,710 (0%) | 0% | 31.6 | 26,917 | Common Stock |
| David L. Goodin | Director, President & CEO | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 14,234 | 270,523 (0%) | 0% | 31.6 | 450,221 | Common Stock |
| David L. Goodin | Director, President & CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 3,764 | 266,759 (0%) | 0% | 31.6 | 119,055 | Common Stock |
| David C. Barney | President & CEO-Knife River | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 3,067 | 38,282 (0%) | 0% | 31.6 | 97,009 | Common Stock |
| David C. Barney | President & CEO-Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 1,219 | 37,063 (0%) | 0% | 31.6 | 38,557 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 3,144 | 42,490 (0%) | 0% | 31.6 | 99,445 | Common Stock |
| Jeffrey S. Thiede | President & CEO MDU CSG | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 900 | 41,590 (0%) | 0% | 31.6 | 28,467 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 283 | 7,468 (0%) | 0% | 31.6 | 8,951 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 899 | 7,751 (0%) | 0% | 31.6 | 28,435 | Common Stock |
| Anne M. Jones | VP-Human Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 283 | 12,439 (0%) | 0% | 31.6 | 8,951 | Common Stock |
| Anne M. Jones | VP-Human Resources | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 901 | 12,722 (0%) | 0% | 31.6 | 28,499 | Common Stock |
| Daniel S. Kuntz | VP, Gen. Counsel & Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 452 | 26,186 (0%) | 0% | 31.6 | 14,297 | Common Stock |
| Daniel S. Kuntz | VP, Gen. Counsel & Secretary | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 1,436 | 26,638 (0%) | 0% | 31.6 | 45,421 | Common Stock |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 282 | 8,027 (0%) | 0% | 31.6 | 8,920 | Common Stock |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 897 | 8,309 (0%) | 0% | 31.6 | 28,372 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 542 | 2,106 (0%) | 0% | 31.6 | 17,143 | Common Stock |
| Stephanie A. Barth | VP, CAO & Controller | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 170 | 1,936 (0%) | 0% | 31.6 | 5,377 | Common Stock |
| Trevor J Hastings | President & CEO - WBI Holdings | Grant, award, or other acquisition of securities at price $ 31.63 per share. | 13 Feb 2020 | 658 | 13,349 (0%) | 0% | 31.6 | 20,813 | Common Stock |
| Trevor J Hastings | President & CEO - WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.63 per share. | 13 Feb 2020 | 207 | 13,142 (0%) | 0% | 31.6 | 6,547 | Common Stock |
| David M. Sparby | None | Grant, award, or other acquisition of securities at price $ 29.54 per share. | 31 Dec 2019 | 888 | 14,807 (0%) | 0% | 29.5 | 26,232 | Common Stock |
| David M. Sparby | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 13,919 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| Dennis W. Johnson | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,857 | 98,579 (0%) | 0% | 29.2 | 141,650 | Common Stock |
| Edward A. Ryan | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 18,476 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 133,887 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 78,179 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 28,286 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 80,614 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 4,286 | 95,978 (0%) | 0% | 29.2 | 124,997 | Common Stock |
| Chenxi Wang | None | Grant, award, or other acquisition of securities at price $ 29.16 per share. | 19 Nov 2019 | 2,857 | 2,857 (0%) | 0% | 29.2 | 83,322 | Common Stock |
| David M. Sparby | None | Grant, award, or other acquisition of securities at price $ 28.39 per share. | 30 Sep 2019 | 924 | 9,633 (0%) | 0% | 28.4 | 26,229 | Common Stock |
| David M. Sparby | None | Grant, award, or other acquisition of securities at price $ 25.47 per share. | 28 Jun 2019 | 801 | 8,709 (0%) | 0% | 25.5 | 20,402 | Common Stock |
| Edward A. Ryan | None | Purchase of securities on an exchange or from another person at price $ 24.80 per share. | 30 May 2019 | 1,500 | 12,190 (0%) | 0% | 24.8 | 37,200 | Common Stock |
| Edward A. Ryan | None | Purchase of securities on an exchange or from another person at price $ 24.81 per share. | 30 May 2019 | 2,000 | 14,190 (0%) | 0% | 24.8 | 49,620 | Common Stock |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Purchase of securities on an exchange or from another person at price $ 24.45 per share. | 30 May 2019 | 1,824 | 256,289 (0%) | 0% | 24.5 | 44,597 | Common Stock |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Purchase of securities on an exchange or from another person at price $ 24.44 per share. | 30 May 2019 | 3,176 | 254,465 (0%) | 0% | 24.4 | 77,637 | Common Stock |
| David M. Sparby | None | Purchase of securities on an exchange or from another person at price $ 25.20 per share. | 17 May 2019 | 2,500 | 7,908 (0%) | 0% | 25.2 | 63,000 | Common Stock |
| David M. Sparby | None | Grant, award, or other acquisition of securities at price $ 25.66 per share. | 29 Mar 2019 | 682 | 5,408 (0%) | 0% | 25.7 | 17,498 | Common Stock |
| David M. Sparby | None | Purchase of securities on an exchange or from another person at price $ 25.75 per share. | 14 Mar 2019 | 3,000 | 4,726 (0%) | 0% | 25.8 | 77,250 | Common Stock |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 19 Feb 2019 | 4,340 | 76,328 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 6,283 | 46,487 (0%) | 0% | 26.3 | 164,929 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 23,441 | 52,770 (0%) | 0% | 0 | Common Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 51,289 | 251,289 (0%) | 0% | 26.2 | 1,346,336 | Common Stock |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 138,269 | 302,578 (0%) | 0% | 0 | Common Stock | |
| David C. Barney | President & CEO - Knife River | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 26,488 | 42,295 (0%) | 0% | 0 | Common Stock | |
| David C. Barney | President & CEO - Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 7,080 | 35,215 (0%) | 0% | 26.3 | 185,850 | Common Stock |
| Jeffrey S. Thiede | Pres. & CEO-MDU Constr.Serv. | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 6,877 | 38,188 (0%) | 0% | 26.2 | 180,521 | Common Stock |
| Jeffrey S. Thiede | Pres. & CEO-MDU Constr.Serv. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 27,673 | 45,065 (0%) | 0% | 0 | Common Stock | |
| Jason L. Vollmer | VP, CFO & Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 1,907 | 6,651 (0%) | 0% | 26.3 | 50,059 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 6,673 | 8,558 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | VP - Human Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 8,472 | 13,879 (0%) | 0% | 0 | Common Stock | |
| Anne M. Jones | VP - Human Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 2,406 | 11,473 (0%) | 0% | 26.3 | 63,158 | Common Stock |
| Daniel S. Kuntz | VP, Gen. Counsel and Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 3,682 | 25,080 (0%) | 0% | 26.3 | 96,653 | Common Stock |
| Daniel S. Kuntz | VP, Gen. Counsel and Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 13,430 | 28,762 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 6,514 | 9,087 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 1,894 | 7,193 (0%) | 0% | 26.3 | 49,718 | Common Stock |
| Trevor J Hastings | President & CEO-WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.25 per share. | 14 Feb 2019 | 1,847 | 12,691 (0%) | 0% | 26.3 | 48,484 | Common Stock |
| Trevor J Hastings | President & CEO-WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Feb 2019 | 6,392 | 14,538 (0%) | 0% | 0 | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2018 | 741 | 14,403 | - | - | Phantom Stock | |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 31 Dec 2018 | 2,000 | 80,668 (0%) | 0% | 0 | Common Stock | |
| David M. Sparby | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 1,726 | 1,726 (0%) | 0% | 26.5 | 45,817 | Common Stock |
| Dennis W. Johnson | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 91,627 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| Edward A. Ryan | None | Grant, award, or other acquisition of securities at price $ 26.54 per share. | 20 Nov 2018 | 690 | 10,690 (0%) | 0% | 26.5 | 18,316 | Common Stock |
| Harry Jonathan Pearce | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 5,462 | 246,740 (0%) | 0% | 26.5 | 144,989 | Common Stock |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 129,601 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 72,689 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 24,000 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 82,668 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 91,692 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| William E. Mccracken | None | Grant, award, or other acquisition of securities at price $ 26.55 per share. | 20 Nov 2018 | 4,143 | 24,000 (0%) | 0% | 26.5 | 109,976 | Common Stock |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Sep 2018 | 685 | 13,562 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Jun 2018 | 605 | 12,794 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Mar 2018 | 624 | 12,108 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Mar 2018 | 624 | 12,108 | - | - | Phantom Stock | |
| Stephanie A. Barth | VP, CAO & Controller | Purchase of securities on an exchange or from another person at price $ 27.07 per share. | 13 Mar 2018 | 377 | 1,536 (0%) | 0% | 27.1 | 10,205 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 4,749 | 28,509 (0%) | 0% | 27.5 | 130,503 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 17,616 | 33,258 (0%) | 0% | 0 | Common Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 103,916 | 200,544 (0%) | 0% | 0 | Common Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 37,389 | 163,155 (0%) | 0% | 27.5 | 1,027,450 | Common Stock |
| David C. Barney | President & CEO - Knife River | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 16,912 | 20,365 (0%) | 0% | 0 | Common Stock | |
| David C. Barney | President & CEO - Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 4,558 | 15,807 (0%) | 0% | 27.5 | 125,254 | Common Stock |
| Jeffrey S. Thiede | Pres. & CEO-MDU Constr.Serv. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 18,198 | 21,949 (0%) | 0% | 0 | Common Stock | |
| Jeffrey S. Thiede | Pres. & CEO-MDU Constr.Serv. | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 4,557 | 17,392 (0%) | 0% | 27.5 | 125,226 | Common Stock |
| Jason L. Vollmer | VP, CFO & Treasurer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 2,751 | 2,751 (0%) | 0% | 0 | Common Stock | |
| Jason L. Vollmer | VP, CFO & Treasurer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 866 | 1,885 (0%) | 0% | 27.5 | 23,798 | Common Stock |
| Anne M. Jones | VP - Human Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 1,778 | 5,407 (0%) | 0% | 27.5 | 48,859 | Common Stock |
| Anne M. Jones | VP - Human Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 6,122 | 7,185 (0%) | 0% | 0 | Common Stock | |
| Daniel S. Kuntz | VP, Gen. Counsel and Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 1,290 | 15,214 (0%) | 0% | 27.5 | 35,449 | Common Stock |
| Daniel S. Kuntz | VP, Gen. Counsel and Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 4,281 | 16,504 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 3,496 | 3,614 (0%) | 0% | 0 | Common Stock | |
| Margaret A. Link | VP and CIO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 1,100 | 2,514 (0%) | 0% | 27.5 | 30,228 | Common Stock |
| Trevor J Hastings | President & CEO-WBI Holdings | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2018 | 5,071 | 9,641 (0%) | 0% | 0 | Common Stock | |
| Trevor J Hastings | President & CEO-WBI Holdings | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.48 per share. | 16 Feb 2018 | 1,495 | 8,146 (0%) | 0% | 27.5 | 41,083 | Common Stock |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 31 Dec 2017 | 984 | 78,525 (0%) | 0% | 0 | Common Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Dec 2017 | 657 | 11,405 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Dec 2017 | 657 | 11,405 | - | - | Phantom Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 27.70 per share. | 06 Dec 2017 | 2,451 | 125,458 (0%) | 0% | 27.7 | 67,893 | Common Stock |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 65,002 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| Dennis W. Johnson | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 85,620 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| Harry Jonathan Pearce | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 5,393 | 241,278 (0%) | 0% | 26.9 | 144,980 | Common Stock |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 123,007 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 66,591 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 19,857 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 79,509 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 87,549 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| William E. Mccracken | None | Grant, award, or other acquisition of securities at price $ 26.88 per share. | 21 Nov 2017 | 4,091 | 19,857 (0%) | 0% | 26.9 | 109,978 | Common Stock |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2017 | 745 | 10,746 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2017 | 745 | 10,746 | - | - | Phantom Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Purchase of securities on an exchange or from another person at price $ 25.57 per share. | 11 Aug 2017 | 5,000 | 95,209 (0%) | 0% | 25.6 | 127,870 | Common Stock |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2017 | 702 | 10,002 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2017 | 702 | 10,002 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2017 | 662 | 9,300 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2017 | 662 | 9,300 | - | - | Phantom Stock | |
| Doran N. Schwartz | VP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 1,899 | 43,600 (0%) | 0% | 26.4 | 50,077 | Common Stock |
| Doran N. Schwartz | VP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 6,017 | 45,499 (0%) | 0% | 0 | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 950 | 15,207 (0%) | 0% | 26.4 | 25,052 | Common Stock |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 2,755 | 16,157 (0%) | 0% | 0 | Common Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 6,736 | 88,936 (0%) | 0% | 26.4 | 177,628 | Common Stock |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 22,900 | 95,672 (0%) | 0% | 0 | Common Stock | |
| David C. Barney | President & CEO - Knife River | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 1,628 | 3,453 (0%) | 0% | 26.4 | 42,930 | Common Stock |
| David C. Barney | President & CEO - Knife River | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 5,081 | 5,081 (0%) | 0% | 0 | Common Stock | |
| Jeffrey S. Thiede | Pres. & CEO-MDU Constr.Serv. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 5,349 | 5,349 (0%) | 0% | 0 | Common Stock | |
| Jeffrey S. Thiede | Pres. & CEO-MDU Constr.Serv. | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 1,598 | 3,751 (0%) | 0% | 26.4 | 42,139 | Common Stock |
| Dennis L. Haider | EVP-Business Development | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 2,953 | 26,735 (0%) | 0% | 0 | Common Stock | |
| Dennis L. Haider | EVP-Business Development | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 1,018 | 25,717 (0%) | 0% | 26.4 | 26,845 | Common Stock |
| Anne M. Jones | VP - Human Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.37 per share. | 16 Feb 2017 | 559 | 1,063 (0%) | 0% | 26.4 | 14,741 | Common Stock |
| Anne M. Jones | VP - Human Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 1,622 | 1,622 (0%) | 0% | 0 | Common Stock | |
| Daniel S. Kuntz | VP, Gen. Counsel and Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 Feb 2017 | 1,477 | 12,113 (0%) | 0% | 0 | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2016 | 615 | 8,637 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2016 | 615 | 8,637 | - | - | Phantom Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Dec 2016 | 2,244 | 118,916 | - | - | Common Stock | |
| Patricia L. Moss | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 29 Nov 2016 | 4,050 | 75,418 | - | - | Common Stock | |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 79,468 | - | - | Common Stock | |
| William E. Mccracken | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 15,766 | - | - | Common Stock | |
| Dennis W. Johnson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 79,750 | - | - | Common Stock | |
| Harry Jonathan Pearce | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 235,885 | - | - | Common Stock | |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 83,458 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 15,766 | - | - | Common Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 116,672 | - | - | Common Stock | |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 60,762 | - | - | Common Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Nov 2016 | 3,886 | 60,911 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2016 | 691 | 8,023 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2016 | 691 | 8,023 | - | - | Phantom Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 24 Aug 2016 | 30,000 | 770,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 23 Aug 2016 | 30,000 | 800,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 22 Aug 2016 | 30,000 | 830,000 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Gift of securities by or to the insider at price $ 0.00 per share. | 22 Aug 2016 | 9,018 | 71,767 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. and CEO-MDU Resources | Gift of securities by or to the insider at price $ 0.00 per share. | 22 Aug 2016 | 9,018 | 0 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 19 Aug 2016 | 30,000 | 860,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 18 Aug 2016 | 30,000 | 890,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 Aug 2016 | 30,000 | 920,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 16 Aug 2016 | 30,000 | 950,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 15 Aug 2016 | 30,000 | 980,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 12 Aug 2016 | 30,000 | 1,010,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 11 Aug 2016 | 30,000 | 1,040,000 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2016 | 748 | 7,332 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2016 | 748 | 7,332 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2016 | 893 | 6,584 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2016 | 893 | 6,584 | - | - | Phantom Stock | |
| Doran N. Schwartz | VP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 11 Feb 2016 | 1,262 | 39,482 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Feb 2016 | 3,661 | 40,744 | - | - | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Feb 2016 | 1,627 | 13,172 | - | - | Common Stock | |
| Nicole A. Kivisto | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 11 Feb 2016 | 561 | 12,611 | - | - | Common Stock | |
| Cynthia J. Norland | VP - Administration | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 11 Feb 2016 | 506 | 15,721 | - | - | Common Stock | |
| Cynthia J. Norland | VP - Administration | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Feb 2016 | 1,470 | 16,227 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. & CEO-MDU Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Feb 2016 | 13,264 | 65,470 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. & CEO-MDU Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 11 Feb 2016 | 3,928 | 61,542 | - | - | Common Stock | |
| Dennis L. Haider | EVP-Business Development | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 11 Feb 2016 | 604 | 23,782 | - | - | Common Stock | |
| Dennis L. Haider | EVP-Business Development | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Feb 2016 | 1,754 | 24,386 | - | - | Common Stock | |
| Daniel S. Kuntz | General Counsel and Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Feb 2016 | 906 | 10,831 | - | - | Common Stock | |
| Daniel S. Kuntz | General Counsel and Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 11 Feb 2016 | 312 | 10,519 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2015 | 925 | 5,691 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2015 | 925 | 5,691 | - | - | Phantom Stock | |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 18 Dec 2015 | 565 | 75,957 | - | - | Common Stock | |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 18 Dec 2015 | 375 | 75,582 | - | - | Common Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Dec 2015 | 3,830 | 112,786 | - | - | Common Stock | |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 76,522 | - | - | Common Stock | |
| William E. Mccracken | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 11,880 | - | - | Common Stock | |
| Harry Jonathan Pearce | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 231,999 | - | - | Common Stock | |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 79,572 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 11,880 | - | - | Common Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 108,956 | - | - | Common Stock | |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 54,911 | - | - | Common Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2015 | 6,039 | 57,025 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2015 | 1,025 | 4,765 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2015 | 1,025 | 4,765 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2015 | 854 | 3,740 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2015 | 854 | 3,740 | - | - | Phantom Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2015 | 775 | 2,887 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2015 | 775 | 2,887 | - | - | Phantom Stock | |
| Doran N. Schwartz | VP and CFO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 26 Feb 2015 | 1,500 | 37,083 | - | - | Common Stock | |
| Cynthia J. Norland | VP - Administration | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 25 Feb 2015 | 430 | 14,757 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 18 Feb 2015 | 1,000 | 35,583 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. & CEO-MDU Resources | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 17 Feb 2015 | 5,000 | 50,218 | - | - | Common Stock | |
| Jason L. Vollmer | Treasurer & Director of Cash | 17 Feb 2015 | 908 | 2,605 | - | - | Common Stock - (401-k) | ||
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2014 | 685 | 2,112 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2014 | 685 | 2,112 | - | - | Phantom Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Dec 2014 | 2,582 | 102,917 | - | - | Common Stock | |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 19 Nov 2014 | 185 | 66,143 | - | - | Common Stock | |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 70,483 | - | - | Common Stock | |
| William E. Mccracken | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 5,841 | - | - | Common Stock | |
| Dennis W. Johnson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 79,973 | - | - | Common Stock | |
| Harry Jonathan Pearce | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 225,960 | - | - | Common Stock | |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 73,533 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 5,841 | - | - | Common Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 100,335 | - | - | Common Stock | |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 47,136 | - | - | Common Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Nov 2014 | 4,340 | 50,986 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2014 | 593 | 1,427 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Sep 2014 | 593 | 1,427 | - | - | Phantom Stock | |
| Cynthia J. Norland | VP - Administration | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 13 Aug 2014 | 1 | 0 | - | - | Common Stock - (401-k) | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2014 | 427 | 833 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 30 Jun 2014 | 427 | 833 | - | - | Phantom Stock | |
| Dennis W. Johnson | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 12 May 2014 | 5,467 | 74,812 | - | - | Common Stock | |
| Paul K. Sandness | General Counsel and Secretary | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 12 May 2014 | 10,034 | 10,390 | - | - | Common Stock - (401-k) | |
| Cynthia J. Norland | VP - Administration | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 12 May 2014 | 17,925 | 1,972 | - | - | Common Stock - (401-k) | |
| K. Frank Morehouse | President & CEO-Montana-Dakota | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 12 May 2014 | 3,000 | 4,459 | - | - | Common Stock | |
| Nathan W. Ring | VP, Controller & CAO | 07 May 2014 | 1,688 | 2,431 | - | - | Common Stock - (401-k) | ||
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2014 | 407 | 406 | - | - | Phantom Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Mar 2014 | 407 | 406 | - | - | Phantom Stock | |
| William R. Connors | VP - Renewable Resources | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 21 Feb 2014 | 1,300 | 6,200 | - | - | Common Stock | |
| William R. Connors | VP - Renewable Resources | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 21 Feb 2014 | 400 | 5,800 | - | - | Common Stock | |
| William R. Connors | VP - Renewable Resources | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 21 Feb 2014 | 400 | 5,400 | - | - | Common Stock | |
| William R. Connors | VP - Renewable Resources | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 21 Feb 2014 | 100 | 5,300 | - | - | Common Stock | |
| Douglass A. Mahowald | Treasurer & Asst. Secretary | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 21 Feb 2014 | 1,972 | 1,165 | - | - | Common Stock - (401-k) | |
| Douglass A. Mahowald | Treasurer & Asst. Secretary | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 20 Feb 2014 | 570 | 7,351 | - | - | Common Stock | |
| Douglass A. Mahowald | Treasurer & Asst. Secretary | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 20 Feb 2014 | 1,200 | 6,151 | - | - | Common Stock | |
| Steven L. Bietz | Pres. & CEO - WBI Energy, Inc. | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 19 Feb 2014 | 10,257 | 34,703 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 19,053 | 40,327 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 5,744 | 34,583 | - | - | Common Stock | |
| Steven L. Bietz | Pres. & CEO - WBI Energy, Inc. | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 30,191 | 54,075 | - | - | Common Stock | |
| Steven L. Bietz | Pres. & CEO - WBI Energy, Inc. | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 9,115 | 44,960 | - | - | Common Stock | |
| Paul K. Sandness | General Counsel and Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 23,311 | 57,090 | - | - | Common Stock | |
| Paul K. Sandness | General Counsel and Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 7,016 | 50,074 | - | - | Common Stock | |
| John P. Stumpf | VP - Strategic Planning | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 7,456 | 17,314 | - | - | Common Stock | |
| John P. Stumpf | VP - Strategic Planning | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 2,331 | 14,983 | - | - | Common Stock | |
| Cynthia J. Norland | VP - Administration | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 9,293 | 15,233 | - | - | Common Stock | |
| Cynthia J. Norland | VP - Administration | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 2,877 | 12,356 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. & CEO-MDU Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 29,313 | 52,856 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. & CEO-MDU Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 8,727 | 44,129 | - | - | Common Stock | |
| William R. Connors | VP - Renewable Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 7,035 | 9,551 | - | - | Common Stock | |
| William R. Connors | VP - Renewable Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 2,051 | 7,500 | - | - | Common Stock | |
| Del Mark A Vecchio | VP - Human Resources | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 9,183 | 12,561 | - | - | Common Stock | |
| Del Mark A Vecchio | VP - Human Resources | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 2,843 | 9,718 | - | - | Common Stock | |
| Douglass A. Mahowald | Treasurer & Asst. Secretary | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 6,514 | 9,977 | - | - | Common Stock | |
| Douglass A. Mahowald | Treasurer & Asst. Secretary | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 2,056 | 7,921 | - | - | Common Stock | |
| K. Frank Morehouse | President & CEO-Montana-Dakota | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 10,746 | 10,746 | - | - | Common Stock | |
| K. Frank Morehouse | President & CEO-Montana-Dakota | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 3,287 | 7,459 | - | - | Common Stock | |
| Dennis L. Haider | EVP-Business Development | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Feb 2014 | 10,872 | 25,968 | - | - | Common Stock | |
| Dennis L. Haider | EVP-Business Development | Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share. | 13 Feb 2014 | 3,336 | 22,632 | - | - | Common Stock | |
| Patricia L. Moss | None | Gift of securities by or to the insider at price $ 0.00 per share. | 31 Dec 2013 | 500 | 66,328 | - | - | Common Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Dec 2013 | 1,843 | 95,995 | - | - | Common Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Dec 2013 | 1,843 | 46,646 | - | - | Common Stock | |
| Patricia L. Moss | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 66,828 | - | - | Common Stock | |
| Thomas C. Knudson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 28,070 | - | - | Common Stock | |
| William E. Mccracken | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 1,501 | 1,501 | - | - | Common Stock | |
| Dennis W. Johnson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 79,491 | - | - | Common Stock | |
| Harry Jonathan Pearce | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 221,620 | - | - | Common Stock | |
| Thomas S. Everist | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 69,193 | - | - | Common Stock | |
| Mark A. Hellerstein | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 1,501 | 1,501 | - | - | Common Stock | |
| John K. Wilson | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 94,152 | - | - | Common Stock | |
| Karen B. Fagg | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 41,837 | - | - | Common Stock | |
| A. Bart Holaday | None | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Nov 2013 | 3,603 | 44,803 | - | - | Common Stock | |
| Dennis W. Johnson | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 08 Aug 2013 | 7,700 | 75,462 | - | - | Common Stock | |
| Nicole A. Kivisto | VP, Controller & CAO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 25 Jun 2013 | 100 | 4,344 | - | - | Common Stock | |
| Nicole A. Kivisto | VP, Controller & CAO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 25 Jun 2013 | 100 | 4,444 | - | - | Common Stock | |
| Nicole A. Kivisto | VP, Controller & CAO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 25 Jun 2013 | 315 | 4,759 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 20 Jun 2013 | 1,400 | 19,674 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 20 Jun 2013 | 100 | 19,774 | - | - | Common Stock | |
| Doran N. Schwartz | VP and CFO | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 20 Jun 2013 | 1,500 | 21,274 | - | - | Common Stock | |
| David L. Goodin | Director, Pres. & CEO-MDU Resources | Purchase of securities on an exchange or from another person at price $ 0.00 per share. | 20 Jun 2013 | 5,000 | 23,139 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 18 Jun 2013 | 30,000 | 1,070,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 Jun 2013 | 30,000 | 1,100,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 14 Jun 2013 | 30,000 | 1,130,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 13 Jun 2013 | 30,000 | 1,160,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 12 Jun 2013 | 30,000 | 1,190,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 11 Jun 2013 | 30,000 | 1,220,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 10 Jun 2013 | 30,000 | 1,250,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 07 Jun 2013 | 30,000 | 1,280,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 06 Jun 2013 | 30,000 | 1,310,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 05 Jun 2013 | 30,000 | 1,340,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 04 Jun 2013 | 30,000 | 1,370,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 03 Jun 2013 | 30,000 | 1,400,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 23 May 2013 | 30,000 | 1,430,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 22 May 2013 | 30,000 | 1,460,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 21 May 2013 | 30,000 | 1,490,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 20 May 2013 | 30,000 | 1,520,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 17 May 2013 | 30,000 | 1,550,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 16 May 2013 | 30,000 | 1,580,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 15 May 2013 | 30,000 | 1,610,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 14 May 2013 | 30,000 | 1,640,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 13 May 2013 | 30,000 | 1,670,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 10 May 2013 | 30,000 | 1,700,000 | - | - | Common Stock | |
| Thomas S. Everist | None | Sale of securities on an exchange or to another person at price $ 0.00 per share. | 09 May 2013 | 30,000 | 1,730,000 | - | - | Common Stock |