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Insider Trading activities at Natural Gas Services Group Inc (NGS)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Natural Gas Services Group Inc (NGS) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Natural Gas Services Group Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 1084991.

Total stock buying since 2015: $246,578.
Total stock sales since 2015: $12,435,650.
Total stock option exercises since 2015: $2,608,709.


11 insiders reported insider trading activities at Natural Gas Services Group Inc (NGS):
▪ Insider trading activities of Lawrence G Larry
▪ Insider trading activities of Hodges Georganne
▪ Insider trading activities of Curtis Charles G
▪ Insider trading activities of Hazlett James R
▪ Insider trading activities of Chisholm John
▪ Insider trading activities of Taylor Stephen Charles
▪ Insider trading activities of Beyer Leslie Ann
▪ Insider trading activities of Bradshaw David L
▪ Insider trading activities of Holley Jean K
▪ Insider trading activities of Jacobs Justin
▪ Insider trading activities of Hughes William F Jr

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Natural Gas Services Group Inc (NGS).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 7,800 $198,879 74,400 $1,976,106 0 $0
2024 2,500 $47,699 98,471 $2,566,854 4,623 $0
2022 0 $0 18,940 $246,525 10,973 $0
2021 0 $0 15,750 $159,254 28,750 $0
2020 0 $0 2,500 $30,000 56,515 $0
2019 0 $0 71,808 $1,245,576 110,807 $628,234
2018 0 $0 51,642 $1,249,796 64,732 $525,296
2017 0 $0 81,240 $2,241,500 22,414 $448,499
2016 0 $0 41,433 $1,077,328 20,000 $282,800
2015 0 $0 82,180 $1,642,711 62,500 $723,880

Table 2. Monthly summary of insider trading at Natural Gas Services Group Inc (NGS).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-09 3,752 $99,724 10,000 $270,020 0 $0
2025-08 4,048 $99,155 20,000 $525,060 0 $0
2025-05 0 $0 25,000 $622,500 0 $0
2025-01 0 $0 19,400 $558,526 0 $0
2024-12 0 $0 10,000 $271,500 0 $0
2024-11 0 $0 80,600 $2,121,536 0 $0
2024-10 0 $0 0 $0 4,623 $0
2024-08 0 $0 7,871 $173,818 0 $0
2024-06 2,500 $47,699 0 $0 0 $0
2022-12 0 $0 3,000 $33,150 0 $0
2022-06 0 $0 4,890 $73,350 0 $0
2022-05 0 $0 3,000 $42,053 0 $0
2022-04 0 $0 2,000 $21,915 0 $0
2022-03 0 $0 6,050 $76,057 10,973 $0
2021-10 0 $0 2,750 $33,220 0 $0
2021-09 0 $0 7,000 $69,790 0 $0
2021-08 0 $0 6,000 $56,244 0 $0
2021-04 0 $0 0 $0 3,138 $0
2021-03 0 $0 0 $0 25,612 $0
2020-12 0 $0 2,500 $30,000 1,301 $0
2020-09 0 $0 0 $0 1,302 $0
2020-06 0 $0 0 $0 4,847 $0
2020-03 0 $0 0 $0 27,926 $0
2020-02 0 $0 0 $0 21,139 $0

Table 3. Detailed insider trading at Natural Gas Services Group Inc (NGS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-09-04 Taylor Stephen Charles (Director) Sale 10,000 27.00 270,020
2025-09-04 Holley Jean K (Director) Buy 3,752 26.58 99,724
2025-08-22 Taylor Stephen Charles (Director) Sale 20,000 26.25 525,060
2025-08-14 Holley Jean K (Director) Buy 4,048 24.50 99,155
2025-05-15 Taylor Stephen Charles (Director) Sale 25,000 24.90 622,500
2025-01-21 Taylor Stephen Charles (Director) Sale 19,400 28.79 558,526
2024-12-12 Taylor Stephen Charles (Director) Sale 10,000 27.15 271,500
2024-11-25 Taylor Stephen Charles (Director) Sale 600 28.50 17,100
2024-11-22 Taylor Stephen Charles (Director) Sale 10,000 28.00 280,000
2024-11-21 Taylor Stephen Charles (Director) Sale 38,479 26.89 1,034,777
2024-11-20 Taylor Stephen Charles (Director) Sale 1,521 26.00 39,546
2024-11-19 Taylor Stephen Charles (Director) Sale 6,516 25.50 166,158
2024-11-18 Taylor Stephen Charles (Director) Sale 3,442 25.51 87,808
2024-11-15 Taylor Stephen Charles (Director) Sale 10,042 25.01 251,110
2024-11-13 Taylor Stephen Charles (Director) Sale 2,191 24.50 53,679
2024-11-12 Taylor Stephen Charles (Director) Sale 4,713 24.51 115,506
2024-11-11 Taylor Stephen Charles (Director) Sale 3,096 24.50 75,852
2024-10-28 Hodges Georganne (Director) Option Ex 4,623 .00 0
2024-08-26 Taylor Stephen Charles (Director) Sale 3,181 22.00 69,982
2024-08-20 Taylor Stephen Charles (Director) Sale 4,690 22.14 103,836
2024-06-14 Jacobs Justin (Chief Executive Officer) Buy 2,500 19.08 47,699
2022-12-01 Beyer Leslie Ann Sale 3,000 11.05 33,150
2022-06-07 Hazlett James R (VP - Technical Services) Sale 972 15.00 14,580
2022-06-07 Taylor Stephen Charles (Chief Executive Officer) Sale 3,918 15.00 58,770
2022-05-31 Hazlett James R (VP - Technical Services) Sale 2,405 14.01 33,694
2022-05-27 Hazlett James R (VP - Technical Services) Sale 595 14.05 8,359
2022-04-11 Chisholm John Sale 500 11.79 5,895
2022-04-01 Chisholm John Sale 1,500 10.68 16,020
2022-03-30 Chisholm John Sale 700 11.61 8,127
2022-03-29 Taylor Stephen Charles (Chief Executive Officer) Option Ex 10,973 .00 0
2022-03-29 Chisholm John Sale 2,300 12.01 27,623
2022-03-02 Hazlett James R (VP - Technical Services) Sale 300 14.00 4,200
2022-03-01 Hazlett James R (VP - Technical Services) Sale 2,750 13.13 36,107
2021-10-06 Hazlett James R (VP - Technical Services) Sale 2,750 12.08 33,220
2021-09-14 Chisholm John Sale 7,000 9.97 69,790
2021-08-27 Chisholm John Sale 2,515 9.56 24,043
2021-08-26 Chisholm John Sale 3,485 9.24 32,201
2021-04-28 Taylor Stephen Charles (Chief Executive Officer) Option Ex 3,138 .00 0
2021-03-29 Taylor Stephen Charles (Chief Executive Officer) Option Ex 10,973 .00 0
2021-03-18 Hughes William F Jr (Director) Option Ex 3,989 .00 0
2021-03-15 Hazlett James R (VP -- Technical Services) Option Ex 1,333 .00 0
2021-03-15 Taylor Stephen Charles (Chief Executive Officer) Option Ex 9,317 .00 0
2020-12-31 Hughes William F Jr (Director) Option Ex 1,301 .00 0
2020-12-10 Hazlett James R (VP -- Technical Services) Sale 2,500 12.00 30,000
2020-09-30 Hughes William F Jr (Director) Option Ex 1,302 .00 0
2020-06-30 Hughes William F Jr (Director) Option Ex 1,301 .00 0
2020-06-10 Curtis Charles G (Director) Option Ex 3,546 .00 0
2020-03-31 Hughes William F Jr (Director) Option Ex 1,302 .00 0
2020-03-29 Taylor Stephen Charles (Chief Executive Officer) Option Ex 10,973 .00 0
2020-03-23 Hazlett James R (VP -- Technical Services) Option Ex 5,000 .00 0
2020-03-15 Hazlett James R (VP -- Technical Services) Option Ex 1,334 .00 0
2020-03-15 Taylor Stephen Charles (Chief Executive Officer) Option Ex 9,317 .00 0
2020-02-14 Taylor Stephen Charles (Chief Executive Officer) Option Ex 21,139 .00 0
2019-12-31 Hughes William F Jr (Director) Option Ex 916 12.26 11,230
2019-11-15 Lawrence G Larry (Chief Financial Officer) Option Ex 7,667 11.18 85,717
2019-09-30 Hughes William F Jr (Director) Option Ex 916 12.81 11,733
2019-06-30 Hughes William F Jr (Director) Option Ex 917 16.50 15,130
2019-06-04 Bradshaw David L (Director) Sale 3,356 15.09 50,642
2019-04-23 Hazlett James R (VP -- Technical Services) Sale 1,413 17.77 25,109
2019-04-22 Hazlett James R (VP -- Technical Services) Sale 1,687 17.79 30,011
2019-04-10 Lawrence G Larry (Chief Financial Officer) Sale 701 18.25 12,793
2019-04-08 Lawrence G Larry (Chief Financial Officer) Sale 3,299 18.42 60,767
2019-04-01 Hazlett James R (VP -- Technical Services) Sale 1,000 17.57 17,570
2019-03-31 Hughes William F Jr (Director) Option Ex 916 .00 0
2019-03-29 Hazlett James R (VP -- Technical Services) Sale 1,000 17.07 17,070
2019-03-28 Hazlett James R (VP -- Technical Services) Sale 1,000 17.14 17,140
2019-03-27 Hazlett James R (VP -- Technical Services) Sale 1,000 17.33 17,330
2019-03-26 Hazlett James R (VP -- Technical Services) Sale 1,000 17.26 17,260
2019-03-23 Lawrence G Larry (Chief Financial Officer) Option Ex 5,000 .00 0
2019-03-23 Hazlett James R (VP -- Technical Services) Option Ex 5,000 .00 0
2019-03-15 Lawrence G Larry (Chief Financial Officer) Option Ex 1,333 .00 0
2019-03-15 Hazlett James R (VP -- Technical Services) Option Ex 1,333 .00 0
2019-03-15 Taylor Stephen Charles (CEO) Option Ex 9,317 .00 0
2019-02-14 Taylor Stephen Charles (Chief Executive Officer) Option Ex 21,140 .00 0
2019-02-05 Taylor Stephen Charles (Chief Executive Officer) Sale 2,720 17.00 46,240
2019-02-05 Taylor Stephen Charles (Chief Executive Officer) Option Ex 2,720 7.84 21,324
2019-02-04 Taylor Stephen Charles (Chief Executive Officer) Sale 12,771 17.06 217,873
2019-02-04 Taylor Stephen Charles (Chief Executive Officer) Option Ex 12,771 7.84 100,124
2019-01-31 Taylor Stephen Charles (Chief Executive Officer) Sale 18 17.00 306
2019-01-31 Taylor Stephen Charles (Chief Executive Officer) Option Ex 18 7.84 141
2019-01-30 Taylor Stephen Charles (Chief Executive Officer) Sale 348 17.00 5,916
2019-01-30 Taylor Stephen Charles (Chief Executive Officer) Option Ex 348 7.84 2,728
2019-01-29 Taylor Stephen Charles (Chief Executive Officer) Sale 4,905 17.05 83,630
2019-01-29 Taylor Stephen Charles (Chief Executive Officer) Option Ex 4,905 7.84 38,455
2019-01-28 Taylor Stephen Charles (Chief Executive Officer) Sale 1,110 17.00 18,870
2019-01-28 Taylor Stephen Charles (Chief Executive Officer) Option Ex 1,110 7.84 8,702
2019-01-25 Taylor Stephen Charles (Chief Executive Officer) Sale 4,974 17.14 85,254
2019-01-25 Taylor Stephen Charles (Chief Executive Officer) Option Ex 4,974 8.89 44,243
2019-01-24 Taylor Stephen Charles (Chief Executive Officer) Sale 1,205 17.00 20,485
2019-01-24 Taylor Stephen Charles (Chief Executive Officer) Option Ex 1,205 9.95 11,989
2019-01-23 Taylor Stephen Charles (Chief Executive Officer) Sale 1,846 17.21 31,769
2019-01-23 Taylor Stephen Charles (Chief Executive Officer) Option Ex 1,846 9.95 18,367
2019-01-22 Taylor Stephen Charles (Chief Executive Officer) Sale 1,200 17.48 20,976
2019-01-22 Taylor Stephen Charles (Chief Executive Officer) Option Ex 1,200 9.95 11,940
2019-01-18 Taylor Stephen Charles (Chief Executive Officer) Sale 12,444 17.89 222,623
2019-01-18 Taylor Stephen Charles (Chief Executive Officer) Option Ex 12,444 9.95 123,817
2019-01-17 Taylor Stephen Charles (Chief Executive Officer) Sale 10,311 17.50 180,442
2019-01-17 Taylor Stephen Charles (Chief Executive Officer) Option Ex 10,311 9.95 102,594
2019-01-08 Chisholm John (Director) Sale 2,500 18.20 45,500
2019-01-08 Chisholm John (Director) Option Ex 2,500 8.00 20,000
2018-12-31 Hughes William F Jr (Director) Option Ex 898 .00 0
2018-09-30 Hughes William F Jr (Director) Option Ex 898 .00 0
2018-09-06 Taylor Stephen Charles (CEO) Option Ex 4,000 17.51 70,040
2018-08-29 Taylor Stephen Charles (CEO) Sale 13,776 22.01 303,209
2018-08-29 Taylor Stephen Charles (CEO) Option Ex 13,776 17.51 241,217
2018-08-27 Taylor Stephen Charles (CEO) Sale 514 22.04 11,328
2018-08-24 Taylor Stephen Charles (CEO) Sale 1,500 22.45 33,675
2018-08-23 Taylor Stephen Charles (CEO) Sale 1,306 22.51 29,398
2018-08-23 Taylor Stephen Charles (CEO) Option Ex 3,320 17.51 58,133
2018-08-21 Taylor Stephen Charles (CEO) Sale 2,704 22.02 59,542
2018-08-21 Taylor Stephen Charles (CEO) Option Ex 3,904 17.51 68,359
2018-06-30 Hughes William F Jr (Director) Option Ex 899 .00 0
2018-03-31 Hughes William F Jr (Director) Option Ex 898 .00 0
2018-03-28 Chisholm John (Director) Sale 4,511 23.20 104,655
2018-03-27 Chisholm John (Director) Sale 9,569 24.07 230,325
2018-03-26 Chisholm John (Director) Sale 4,110 24.13 99,174
2018-03-23 Lawrence G Larry (Chief Financial Officer) Option Ex 5,000 .00 0
2018-03-23 Hazlett James R (VP -- Technical Services) Option Ex 5,000 .00 0
2018-03-23 Chisholm John (Director) Sale 2,750 24.35 66,962
2018-03-13 Bradshaw David L (Director) Sale 2,500 27.23 68,075
2018-02-14 Taylor Stephen Charles (CEO) Option Ex 21,139 .00 0
2018-01-25 Hazlett James R (VP -- Technical Services) Sale 102 28.90 2,947
2018-01-25 Hazlett James R (VP -- Technical Services) Option Ex 102 17.51 1,786
2018-01-24 Hazlett James R (VP -- Technical Services) Sale 200 28.90 5,780
2018-01-24 Hazlett James R (VP -- Technical Services) Option Ex 200 17.51 3,502
2018-01-23 Hazlett James R (VP -- Technical Services) Sale 1,492 28.98 43,230
2018-01-23 Hazlett James R (VP -- Technical Services) Option Ex 979 17.51 17,142
2018-01-22 Hazlett James R (VP -- Technical Services) Sale 198 28.90 5,722
2018-01-22 Hazlett James R (VP -- Technical Services) Option Ex 198 17.51 3,466
2018-01-17 Hazlett James R (VP -- Technical Services) Sale 3,693 28.98 107,041
2018-01-17 Hazlett James R (VP -- Technical Services) Option Ex 2,005 17.51 35,107
2018-01-16 Hazlett James R (VP -- Technical Services) Sale 2,440 28.98 70,723
2018-01-16 Hazlett James R (VP -- Technical Services) Option Ex 1,239 17.51 21,694
2018-01-12 Hazlett James R (VP -- Technical Services) Sale 277 28.92 8,010
2018-01-12 Hazlett James R (VP -- Technical Services) Option Ex 277 17.51 4,850
2017-12-27 Chisholm John (Director) Sale 3,900 26.05 101,595
2017-12-19 Lawrence G Larry (Chief Financial Officer) Sale 6,000 25.23 151,380
2017-12-19 Taylor Stephen Charles (Chief Executive Officer) Sale 16,212 25.17 408,056
2017-12-11 Curtis Charles G (Director) Option Ex 2,500 19.61 49,025
2017-10-03 Taylor Stephen Charles (CEO) Sale 3,874 28.58 110,718
2017-09-27 Hazlett James R (VP -- Technical Services) Sale 2,543 28.04 71,305
2017-09-26 Hazlett James R (VP -- Technical Services) Sale 9,807 28.01 274,694
2017-07-03 Taylor Stephen Charles (Chief Executive Officer) Sale 7,157 24.99 178,853
2017-06-30 Taylor Stephen Charles (Chief Executive Officer) Sale 4,843 25.00 121,075
2017-06-20 Bradshaw David L (Director) Sale 2,540 23.60 59,944
2017-06-05 Hughes William F Jr (Director) Sale 1,500 26.86 40,290
2017-05-02 Hazlett James R (VP - Technical Services) Sale 400 28.01 11,204
2017-04-11 Hazlett James R (VP -- Technical Services) Sale 2,550 28.52 72,726
2017-01-11 Taylor Stephen Charles (Chief Executive Officer) Option Ex 19,914 20.06 399,474
2017-01-05 Taylor Stephen Charles (Chief Executive Officer) Sale 7,888 31.96 252,139
2017-01-04 Taylor Stephen Charles (Chief Executive Officer) Sale 6,052 32.02 193,785
2017-01-03 Taylor Stephen Charles (Chief Executive Officer) Sale 5,974 32.43 193,736
2016-12-29 Chisholm John (Director) Sale 1,100 31.76 34,936
2016-12-29 Chisholm John (Director) Option Ex 2,500 13.90 34,750
2016-12-09 Curtis Charles G (Director) Sale 8,000 33.30 266,400
2016-11-22 Hazlett James R (VP - Technical Services) Sale 3,333 28.67 95,557
2016-11-17 Lawrence G Larry (Chief Financial Officer) Sale 8,000 26.99 215,920
2016-11-11 Curtis Charles G (Director) Option Ex 2,500 13.90 34,750
2016-06-23 Hazlett James R (VP -- Technical Services) Sale 3,500 23.92 83,720
2016-06-23 Bradshaw David L (Director) Sale 2,500 24.35 60,875
2016-03-22 Taylor Stephen Charles (President and CEO) Sale 15,000 21.33 319,920
2016-03-22 Taylor Stephen Charles (President and CEO) Option Ex 15,000 14.22 213,300
2015-12-21 Hazlett James R (Vice President-Technical Svcs.) Sale 1,500 20.87 31,305
2015-12-18 Lawrence G Larry (Chief Financial Officer) Sale 8,000 20.34 162,720
2015-12-18 Hazlett James R (Vice President-Technical Svcs.) Sale 2,000 20.31 40,620
2015-12-17 Hazlett James R (Vice President-Technical Svcs.) Sale 1,000 20.03 20,030
2015-12-16 Hazlett James R (Vice President-Technical Svcs.) Sale 1,000 19.81 19,810
2015-12-15 Hazlett James R (Vice President-Technical Svcs.) Sale 1,000 20.01 20,010
2015-12-04 Curtis Charles G (Director) Option Ex 2,500 16.96 42,400
2015-09-14 Hughes William F Jr (Director) Option Ex 10,000 18.94 189,430
2015-06-30 Hazlett James R (Vice President-Technical Svcs.) Sale 2,500 22.00 55,000
2015-06-19 Hazlett James R (Vice President-Technical Svcs.) Sale 2,500 23.32 58,300
2015-06-17 Hazlett James R (Vice President-Technical Svcs.) Sale 3,372 23.20 78,230
2015-06-10 Hazlett James R (Vice President-Technical Svcs.) Sale 6,628 23.97 158,873
2015-03-31 Taylor Stephen Charles (President and CEO) Sale 4,000 19.27 77,080
2015-03-30 Taylor Stephen Charles (President and CEO) Sale 2,115 19.07 40,333
2015-03-27 Taylor Stephen Charles (President and CEO) Sale 1,000 19.00 19,000
2015-03-24 Lawrence G Larry (Chief Financial Officer) Sale 10,000 19.95 199,500
2015-03-24 Taylor Stephen Charles (President and CEO) Sale 2,309 20.06 46,318
2015-03-20 Taylor Stephen Charles (President and CEO) Sale 5,000 19.53 97,650
2015-03-19 Hughes William F Jr (Director) Option Ex 5,000 15.43 77,150
2015-03-18 Taylor Stephen Charles (President and CEO) Sale 28,256 18.33 517,932
2015-03-18 Taylor Stephen Charles (President and CEO) Option Ex 45,000 9.22 414,900

Insider trading activities including stock purchases, stock sales, and option exercises of NGS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Natural Gas Services Group Inc (symbol NGS, CIK number 1084991) see the Securities and Exchange Commission (SEC) website.



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