Insider Trading activities of Mdu Resources Group Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mdu Resources Group Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Mdu Resources Group Inc since year 2005. Table 2 shows the detailed insider transactions of Mdu Resources Group Inc since 2005. The reporting company's ticker symbol is MDU. The reporting company's CIK number is 67716.
The total value of stock buying since 2005 is $3,315,149.
The total value of stock sales since 2005 is $110,620,768.
The total value of stock option exercises since 2005 is $2,997,642.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Mdu Resources Group Inc (MDU).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-08 5,000 $127,870 0 $0 0 $0
2016-11 0 $0 4,050 $114,615 0 $0
2016-08 0 $0 300,000 $7,034,340 0 $0
2015-02 7,930 $173,977 0 $0 0 $0
2014-08 0 $0 1 $30 0 $0
2014-05 0 $0 36,426 $1,258,821 0 $0
2014-02 0 $0 16,199 $560,394 0 $0
2013-08 0 $0 7,700 $223,315 0 $0
2013-06 8,515 $208,440 360,000 $9,099,540 0 $0
2013-05 0 $0 466,800 $12,422,117 0 $0
2012-11 5,000 $98,750 11,664 $240,453 0 $0
2012-08 0 $0 3,000 $65,031 0 $0
2012-05 5,445 $121,664 0 $0 0 $0
2012-02 2,450 $53,561 0 $0 6,750 $87,945
2011-11 5,136 $104,105 0 $0 0 $0
2011-05 1,000 $22,760 0 $0 0 $0
2011-02 0 $0 0 $0 7,200 $121,596
2010-11 0 $0 10,451 $216,343 10,450 $138,129
2010-05 48,040 $862,739 0 $0 18,562 $252,243
2010-02 12,500 $254,873 0 $0 0 $0
2009-11 441 $9,982 24,826 $550,642 15,896 $210,113
2009-08 0 $0 3,000 $62,196 0 $0
2009-05 8,602 $152,145 0 $0 5,062 $52,447
2009-02 7,818 $120,790 0 $0 0 $0
2008-11 15,000 $280,260 0 $0 0 $0
2008-05 5,404 $163,038 827,472 $25,418,125 15,566 $192,511
2008-02 0 $0 9,684 $253,304 0 $0
2007-11 0 $0 1,448 $39,424 5,062 $51,931
2007-08 187 $4,975 0 $0 0 $0
2007-05 0 $0 1,205,501 $36,820,751 0 $0
2007-02 4,000 $107,120 85,782 $2,294,309 126,010 $1,665,473
2006-05 3,000 $108,860 0 $0 0 $0
2006-02 2,000 $71,432 311,361 $11,013,411 11,361 $225,254
2005-11 6,000 $202,512 43,206 $1,459,655 0 $0
2005-08 2,200 $65,296 5,267 $162,950 0 $0
2005-05 0 $0 47,294 $1,311,002 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Mdu Resources Group Inc insiders (MDU)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-08-11 Goodin David L (Pres. and CEO-MDU Resources) Buy 5,000 25.57 127,870
2016-11-29 Moss Patricia L (Director) Sale 4,050 28.30 114,615
2016-08-24 Everist Thomas S (Director) Sale 30,000 23.43 703,050
2016-08-23 Everist Thomas S (Director) Sale 30,000 23.68 710,490
2016-08-22 Everist Thomas S (Director) Sale 30,000 23.58 707,520
2016-08-19 Everist Thomas S (Director) Sale 30,000 23.40 701,910
2016-08-18 Everist Thomas S (Director) Sale 30,000 23.44 703,170
2016-08-17 Everist Thomas S (Director) Sale 30,000 23.16 694,800
2016-08-16 Everist Thomas S (Director) Sale 30,000 23.14 694,260
2016-08-15 Everist Thomas S (Director) Sale 30,000 23.70 711,150
2016-08-12 Everist Thomas S (Director) Sale 30,000 23.61 708,420
2016-08-11 Everist Thomas S (Director) Sale 30,000 23.32 699,570
2015-02-26 Schwartz Doran N (VP and CFO) Buy 1,500 22.74 34,104
2015-02-25 Norland Cynthia J (VP - Administration) Buy 430 23.08 9,923
2015-02-18 Schwartz Doran N (VP and CFO) Buy 1,000 21.85 21,850
2015-02-17 Goodin David L (Pres. & CEO-MDU Resources) Buy 5,000 21.62 108,100
2014-08-13 Norland Cynthia J (VP - Administration) Sale 1 30.68 30
2014-05-12 Morehouse Kenneth Frank (President & CEO-Montana-Dakota) Sale 3,000 34.79 104,358
2014-05-12 Sandness Paul K (General Counsel and Secretary) Sale 10,034 34.49 346,072
2014-05-12 Norland Cynthia J (VP - Administration) Sale 17,925 34.49 618,233
2014-05-12 Johnson Dennis W (Director) Sale 5,467 34.78 190,158
2014-02-21 Mahowald Douglass A (Treasurer & Asst. Secretary) Sale 1,972 34.55 68,132
2014-02-21 Connors William R (VP - Renewable Resources) Sale 2,200 34.75 76,441
2014-02-20 Mahowald Douglass A (Treasurer & Asst. Secretary) Sale 1,770 34.92 61,801
2014-02-19 Bietz Steven L (Pres. & CEO - WBI Energy, Inc.) Sale 10,257 34.52 354,020
2013-08-08 Johnson Dennis W (Director) Sale 7,700 29.00 223,315
2013-06-25 Kivisto Nicole A (VP, Controller & CAO) Buy 515 25.03 12,888
2013-06-21 Schwartz Doran N (VP and CFO) Buy 1,500 24.52 36,780
2013-06-20 Goodin David L (Pres. & CEO-MDU Resources) Buy 5,000 24.40 122,000
2013-06-20 Schwartz Doran N (VP and CFO) Buy 1,500 24.52 36,772
2013-06-18 Everist Thomas S (Director) Sale 30,000 25.47 764,190
2013-06-17 Everist Thomas S (Director) Sale 30,000 25.27 758,070
2013-06-14 Everist Thomas S (Director) Sale 30,000 25.06 751,800
2013-06-13 Everist Thomas S (Director) Sale 30,000 25.03 750,810
2013-06-12 Everist Thomas S (Director) Sale 30,000 25.08 752,460
2013-06-11 Everist Thomas S (Director) Sale 30,000 25.32 759,600
2013-06-10 Everist Thomas S (Director) Sale 30,000 25.54 766,080
2013-06-07 Everist Thomas S (Director) Sale 30,000 25.27 758,100
2013-06-06 Everist Thomas S (Director) Sale 30,000 25.13 753,990
2013-06-05 Everist Thomas S (Director) Sale 30,000 25.06 751,680
2013-06-04 Everist Thomas S (Director) Sale 30,000 25.38 761,400
2013-06-03 Everist Thomas S (Director) Sale 30,000 25.71 771,360
2013-05-23 Everist Thomas S (Director) Sale 30,000 25.93 777,780
2013-05-22 Everist Thomas S (Director) Sale 30,000 26.64 799,350
2013-05-21 Everist Thomas S (Director) Sale 30,000 26.72 801,540
2013-05-20 Everist Thomas S (Director) Sale 30,000 26.99 809,700
2013-05-17 Everist Thomas S (Director) Sale 30,000 26.98 809,490
2013-05-16 Everist Thomas S (Director) Sale 30,000 26.95 808,470
2013-05-15 Everist Thomas S (Director) Sale 30,000 26.89 806,670
2013-05-14 Everist Thomas S (Director) Sale 30,000 26.69 800,700
2013-05-13 Everist Thomas S (Director) Sale 30,000 26.56 796,920
2013-05-10 Everist Thomas S (Director) Sale 30,000 26.38 791,460
2013-05-09 Everist Thomas S (Director) Sale 30,000 26.58 797,310
2013-05-08 Everist Thomas S (Director) Sale 30,000 26.68 800,340
2013-05-07 Bietz Steven L (Pres. & CEO - WBI Energy, Inc.) Sale 10,000 26.37 263,730
2013-05-07 Schneider William E (EVP-Bakken Development) Sale 65,000 26.38 1,714,700
2013-05-07 Johnson Dennis W (Director) Sale 1,800 26.52 47,727
2013-05-07 Everist Thomas S (Director) Sale 30,000 26.54 796,230
2012-11-30 Schneider William E (EVP-Bakken Development) Sale 11,664 20.61 240,453
2012-11-16 Goodin David L (Pres. & CEO-Montana-Dakota) Buy 5,000 19.75 98,750
2012-08-30 Lewis Richard H (Director) Sale 3,000 21.68 65,031
2012-05-29 Kivisto Nicole A (VP, Controller & CAO) Buy 445 22.79 10,141
2012-05-25 Schwartz Doran N (VP and CFO) Buy 1,000 22.42 22,417
2012-05-24 Wells James Kent (President & CEO-Fidelity E&P) Buy 2,000 22.38 44,760
2012-05-24 Schwartz Doran N (VP and CFO) Buy 1,000 22.20 22,197
2012-05-23 Schwartz Doran N (VP and CFO) Buy 1,000 22.15 22,149
2012-02-29 Schwartz Doran N (VP and CFO) Buy 1,000 21.79 21,793
2012-02-28 Schwartz Doran N (VP and CFO) Buy 1,000 21.90 21,896
2012-02-24 Kivisto Nicole A (VP, Controller & CAO) Buy 450 21.94 9,872
2012-02-23 Everist Thomas S (Director) Option Ex 6,750 13.03 87,945
2011-11-21 Schwartz Doran N (VP and CFO) Buy 2,000 20.08 40,156
2011-11-15 Connors William R (VP - Renewable Resources) Buy 3,136 20.39 63,949
2011-05-23 Schwartz Doran N (VP and CFO) Buy 1,000 22.76 22,760
2011-02-23 Everist Thomas S (Director) Option Ex 6,750 17.13 115,647
2011-02-10 Kivisto Nicole A (VP, Controller & CAO) Option Ex 450 13.22 5,949
2010-11-30 Mahowald Douglass A (Treasurer & Asst. Secretary) Sale 450 20.43 9,193
2010-11-30 Mahowald Douglass A (Treasurer & Asst. Secretary) Option Ex 450 13.22 5,949
2010-11-29 Hildestad Terry D (President and CEO) Sale 0 20.67 0
2010-11-15 Goodin David L (Pres. & CEO-Montana-Dakota) Sale 10,000 20.71 207,130
2010-11-15 Goodin David L (Pres. & CEO-Montana-Dakota) Option Ex 10,000 13.22 132,180
2010-11-05 Schneider William E (President & CEO - Knife River) Sale 1 20.38 20
2010-05-25 Hildestad Terry D (President and CEO) Buy 2,840 17.38 49,353
2010-05-21 Schwartz Doran N (VP and CFO) Buy 500 17.88 8,941
2010-05-21 Pearce Harry J (Director) Buy 44,200 18.00 795,555
2010-05-21 Pearce Harry J (Director) Option Ex 13,500 15.08 203,593
2010-05-07 Everist Thomas S (Director) Option Ex 5,062 9.61 48,650
2010-05-06 Schwartz Doran N (VP and CFO) Buy 500 17.78 8,890
2010-02-26 Holaday A Bart (Director) Buy 10,000 20.40 203,969
2010-02-26 Schwartz Doran N (VP and CFO) Buy 2,500 20.36 50,904
2009-11-17 Sandness Paul K (General Counsel and Secretary) Buy 441 22.64 9,982
2009-11-13 Connors William R (VP - Renewable Resources) Sale 8,930 22.21 198,308
2009-11-13 Goodin David L (Pres. & CEO-Montana-Dakota) Sale 15,896 22.16 352,334
2009-11-13 Goodin David L (Pres. & CEO-Montana-Dakota) Option Ex 15,896 13.22 210,113
2009-08-10 Bietz Steven L (Pres. & CEO - WBI Hold., Inc.) Sale 3,000 20.73 62,196
2009-05-26 Sandness Paul K (General Counsel and Secretary) Buy 277 18.00 4,986
2009-05-20 Everist Thomas S (Director) Option Ex 5,062 10.36 52,447
2009-05-18 Schwartz Doran N (VP and CAO) Buy 2,500 17.12 42,800
2009-05-08 Fagg Karen B (Director) Buy 825 18.14 14,964
2009-05-08 Knudson Thomas C (Director) Buy 5,000 17.88 89,395
2009-02-27 Schwartz Doran N (VP and CAO) Buy 1,500 15.23 22,842
2009-02-27 Kivisto Nicole A (Controller) Buy 662 15.04 9,956
2009-02-25 Connors William R (VP - Renewable Resources) Buy 5,000 15.60 77,995
2009-02-24 Sandness Paul K (General Counsel and Secretary) Buy 656 15.24 9,997
2008-11-14 Holaday A Bart Buy 10,000 19.00 190,000
2008-11-07 Wilson John K Buy 5,000 18.05 90,260
2008-05-30 Everist Thomas S Option Ex 5,062 10.26 51,931
2008-05-23 Stumpf John P (VP - Strategic Planning) Sale 5,442 31.62 172,103
2008-05-23 Stumpf John P (VP - Strategic Planning) Option Ex 5,442 16.20 88,133
2008-05-22 Everist Thomas S Sale 40,000 31.81 1,271,485
2008-05-21 Everist Thomas S Sale 40,000 32.11 1,282,205
2008-05-20 Everist Thomas S Sale 40,000 31.52 1,260,720
2008-05-19 Everist Thomas S Sale 40,000 31.50 1,259,900
2008-05-16 Everist Thomas S Sale 40,000 31.26 1,250,560
2008-05-15 Olson John L Option Ex 5,062 10.36 52,447
2008-05-15 Everist Thomas S Sale 40,000 31.07 1,244,780
2008-05-14 Everist Thomas S Sale 40,000 30.82 1,232,760
2008-05-12 Everist Thomas S Sale 80,000 30.18 2,413,787
2008-05-09 Everist Thomas S Buy 5,404 30.17 163,038
2008-05-09 Everist Thomas S Sale 74,596 30.14 2,246,857
2008-05-08 Everist Thomas S Sale 160,000 30.07 4,814,306
2008-02-22 Harp John G (President and CEO) Sale 9,684 26.16 253,304
2007-11-14 Olson John L Option Ex 5,062 10.26 51,931
2007-11-07 Bietz Steven L (Pres. & CEO - WBI Hold., Inc.) Sale 1,448 27.23 39,424
2007-08-28 Stumpf John P (VP - Strategic Planning) Buy 187 26.61 4,975
2007-05-23 Everist Thomas S Sale 28,100 30.76 862,819
2007-05-22 Everist Thomas S Sale 109,700 31.01 3,395,953
2007-05-21 Everist Thomas S Sale 120,000 30.78 3,693,720
2007-05-18 Everist Thomas S Sale 120,000 30.62 3,675,000
2007-05-10 Everist Thomas S Sale 60,000 29.79 1,781,064
2007-05-09 Everist Thomas S Sale 60,000 30.18 1,810,800
2007-05-08 Everist Thomas S Sale 120,000 30.27 3,637,822
2007-05-07 Everist Thomas S Sale 120,000 30.41 3,649,200
2007-05-04 Everist Thomas S Sale 60,000 30.55 1,829,561
2007-05-03 Everist Thomas S Sale 82,200 30.77 2,529,047
2007-05-02 Everist Thomas S Sale 120,000 30.72 3,677,992
2007-02-23 Schneider William E (President and CEO, Knife River) Sale 37,200 26.98 1,003,656
2007-02-23 Schneider William E (President and CEO, Knife River) Option Ex 57,015 13.22 753,567
2007-02-23 Raile Vernon A (EVP, Treas. & CFO) Sale 3,562 26.93 95,913
2007-02-21 Wilson John K Buy 4,000 26.78 107,120
2007-02-20 Hildestad Terry D (President and CEO) Sale 45,020 26.54 1,194,740
2007-02-20 Hildestad Terry D (President and CEO) Option Ex 68,995 13.22 911,906
2006-05-19 Moss Patricia L Buy 1,000 35.08 35,080
2006-05-01 Wilson John K Buy 2,000 36.89 73,780
2006-02-23 Everist Thomas S Sale 4,100 35.70 146,370
2006-02-22 Wilson John K Buy 2,000 35.72 71,432
2006-02-22 Everist Thomas S Sale 40,000 35.65 1,426,000
2006-02-21 Everist Thomas S Sale 30,100 35.43 1,066,352
2006-02-17 Everist Thomas S Sale 39,000 35.06 1,367,301
2006-02-09 Everist Thomas S Sale 28,600 35.34 1,010,752
2006-02-08 Everist Thomas S Sale 50,000 35.07 1,753,650
2006-02-07 Everist Thomas S Sale 35,000 35.08 1,227,835
2006-02-06 Everist Thomas S Sale 40,000 35.52 1,420,640
2006-02-03 Everist Thomas S Sale 16,400 35.18 577,001
2006-02-02 Everist Thomas S Sale 2,500 35.82 89,550
2006-02-01 Imsdahl Bruce T (President & CEO, Mon) Sale 11,361 36.14 410,586
2006-02-01 Imsdahl Bruce T (President & CEO, Mon) Option Ex 11,361 19.83 225,254
2006-02-01 Everist Thomas S Sale 14,300 36.18 517,374
2005-11-29 Wilson John K Buy 6,000 33.75 202,512
2005-11-22 Raile Vernon A (Chief Acctg.Off.) Sale 10,056 33.90 340,868
2005-11-22 Everist Thomas S Sale 21,150 33.75 713,812
2005-11-21 Robinson Warren L (CFO) Sale 12,000 33.75 404,975
2005-08-12 Nance Robert L Buy 2,200 29.68 65,296
2005-08-03 Raile Vernon A (Chief Acctg.Off.) Sale 5,267 30.94 162,950
2005-05-18 Castleberry John K (CEO of WBI Hold., In) Sale 6,800 28.00 190,400
2005-05-17 Castleberry John K (CEO of WBI Hold., In) Sale 14,174 27.75 393,328
2005-05-16 Castleberry John K (CEO of WBI Hold., In) Sale 20,974 27.50 576,785
2005-05-12 Castleberry John K (CEO of WBI Hold., In) Sale 5,346 28.15 150,489

Insider trading activities including stock purchases, stock sales, and option exercises of MDU listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Mdu Resources Group Inc (symbol MDU, CIK number 67716) see the Securities and Exchange Commission (SEC) website.