InsiderClue
Stocks · Energy · Oil & Gas Field Services, NEC

NATURAL GAS SERVICES GROUP INC

NGS Clue Score64
United States Fiscal year ends December CIK 0001084991 Results filed 12 Aug 2026
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What the insiders did Net selling

Individual transactions

139
Insider
Date
Role
Action
Shares
Price
Amount
Stephen Charles Taylor
6 Mar 2026
Director
Sold on a plan
30,000
$37.23
$1.12M
Stephen Charles Taylor
5 Mar 2026
Director
Sold on a plan
70,000
$37.58
$2.63M
Stephen Charles Taylor
11 Dec 2025
Director
Sell
10,000
$33.54
$335.40K
Stephen Charles Taylor
10 Dec 2025
Director
Sell
10,000
$33.16
$331.60K
Jean K Holley
8 Dec 2025
Director
Buy
935
$32.00
$29.92K
Jean K Holley
8 Dec 2025
Director
Buy
2,190
$32.04
$70.17K
Stephen Charles Taylor
4 Dec 2025
Director
Sell
20,000
$32.12
$642.40K
Stephen Charles Taylor
20 Nov 2025
Director
Sell
10,000
$31.37
$313.70K
Stephen Charles Taylor
19 Nov 2025
Director
Sell
10,000
$30.31
$303.10K
Stephen Charles Taylor
17 Nov 2025
Director
Sold on a plan
10,000
$31.01
$310.07K
Stephen Charles Taylor
10 Nov 2025
Director
Sold on a plan
10,000
$30.00
$300.02K
Stephen Charles Taylor
10 Nov 2025
Director
Sold on a plan
8,748
$29.50
$258.07K
Stephen Charles Taylor
7 Nov 2025
Director
Sold on a plan
1,252
$29.50
$36.94K
Stephen Charles Taylor
7 Nov 2025
Director
Sold on a plan
9,900
$29.00
$287.12K
Stephen Charles Taylor
6 Nov 2025
Director
Sold on a plan
100
$29.00
$2.90K
Stephen Charles Taylor
26 Sep 2025
Director
Sold on a plan
7,915
$28.50
$225.59K
Stephen Charles Taylor
25 Sep 2025
Director
Sold on a plan
759
$28.50
$21.63K
Stephen Charles Taylor
24 Sep 2025
Director
Sold on a plan
1,326
$28.50
$37.79K
Stephen Charles Taylor
23 Sep 2025
Director
Sold on a plan
10,000
$28.01
$280.15K
Stephen Charles Taylor
23 Sep 2025
Director
Sold on a plan
1,457
$27.50
$40.07K
Stephen Charles Taylor
19 Sep 2025
Director
Sold on a plan
63
$27.50
$1.73K
Stephen Charles Taylor
18 Sep 2025
Director
Sold on a plan
1,638
$27.50
$45.05K
Stephen Charles Taylor
17 Sep 2025
Director
Sold on a plan
6,553
$27.51
$180.25K
Stephen Charles Taylor
16 Sep 2025
Director
Sold on a plan
289
$27.50
$7.95K
Jean K Holley
4 Sep 2025
Director
Buy
3,752
$26.58
$99.72K
Stephen Charles Taylor
4 Sep 2025
Director
Sold on a plan
10,000
$27.00
$270.02K
Stephen Charles Taylor
22 Aug 2025
Director
Sold on a plan
10,000
$26.00
$260.04K
Stephen Charles Taylor
22 Aug 2025
Director
Sold on a plan
10,000
$26.50
$265.03K
Jean K Holley
14 Aug 2025
Director
Buy
4,048
$24.49
$99.15K
Stephen Charles Taylor
15 May 2025
Director
Sell
25,000
$24.90
$622.50K
Stephen Charles Taylor
21 Jan 2025
Director
Sold on a plan
10,000
$29.01
$290.10K
Stephen Charles Taylor
21 Jan 2025
Director
Sold on a plan
9,400
$28.57
$268.55K
Stephen Charles Taylor
12 Dec 2024
Director
Sell
10,000
$27.15
$271.50K
Stephen Charles Taylor
25 Nov 2024
Director
Sold on a plan
600
$28.50
$17.10K
Stephen Charles Taylor
22 Nov 2024
Director
Sold on a plan
10,000
$28.00
$280.00K
Stephen Charles Taylor
21 Nov 2024
Director
Sold on a plan
38,479
$26.89
$1.03M
Stephen Charles Taylor
20 Nov 2024
Director
Sold on a plan
1,521
$26.00
$39.55K
Stephen Charles Taylor
19 Nov 2024
Director
Sold on a plan
6,516
$25.50
$166.16K
Stephen Charles Taylor
18 Nov 2024
Director
Sold on a plan
3,442
$25.51
$87.81K
Stephen Charles Taylor
15 Nov 2024
Director
Sold on a plan
10,042
$25.01
$251.11K
Stephen Charles Taylor
13 Nov 2024
Director
Sold on a plan
2,191
$24.50
$53.68K
Stephen Charles Taylor
12 Nov 2024
Director
Sold on a plan
4,713
$24.51
$115.51K
Stephen Charles Taylor
11 Nov 2024
Director
Sold on a plan
3,096
$24.50
$75.85K
Stephen Charles Taylor
26 Aug 2024
Director
Sell
3,181
$22.00
$69.98K
Stephen Charles Taylor
20 Aug 2024
Director
Sell
4,690
$22.14
$103.84K
Justin Jacobs
14 Jun 2024
Chief Executive Officer
Buy
2,500
$19.08
$47.70K
Justin Jacobs
21 Jul 2023
Director
Exercised, kept indirect
9,100
$15.00
$136.50K
Leslie Ann Beyer
1 Dec 2022
Director
Sell
3,000
$11.05
$33.15K
James R Hazlett
7 Jun 2022
VP - Technical Services
Sell
972
$15.00
$14.58K
Stephen Charles Taylor
7 Jun 2022
Chief Executive Officer
Sell
3,918
$15.00
$58.77K
James R Hazlett
31 May 2022
VP - Technical Services
Sell
2,405
$14.01
$33.69K
James R Hazlett
27 May 2022
VP - Technical Services
Sell
595
$14.05
$8.36K
John Chisholm
11 Apr 2022
Director
Sell
500
$11.79
$5.90K
John Chisholm
1 Apr 2022
Director
Sell
1,500
$10.68
$16.02K
John Chisholm
30 Mar 2022
Director
Sell
700
$11.61
$8.13K
John Chisholm
29 Mar 2022
Director
Sell
2,300
$12.01
$27.62K
James R Hazlett
2 Mar 2022
VP - Technical Services
Sell
300
$14.00
$4.20K
James R Hazlett
1 Mar 2022
VP - Technical Services
Sell
2,750
$13.13
$36.11K
James R Hazlett
6 Oct 2021
VP - Technical Services
Sell
2,750
$12.08
$33.22K
John Chisholm
14 Sep 2021
Director
Sell
7,000
$9.97
$69.79K
John Chisholm
27 Aug 2021
Director
Sell
2,515
$9.56
$24.04K
John Chisholm
26 Aug 2021
Director
Sell
3,485
$9.24
$32.20K
James R Hazlett
10 Dec 2020
VP -- Technical Services
Sell
2,500
$12.00
$30.00K
William F Hughes Jr
31 Dec 2019
Director
Exercised, kept indirect
916
$12.26
$11.23K
G Larry Lawrence
15 Nov 2019
Chief Financial Officer
Exercised, kept
7,667
$11.18
$85.72K
William F Hughes Jr
30 Sep 2019
Director
Exercised, kept indirect
916
$12.81
$11.73K
William F Hughes Jr
30 Jun 2019
Director
Exercised, kept indirect
917
$16.50
$15.13K
David L Bradshaw
4 Jun 2019
Director
Sell
1,600
$14.98
$23.97K
David L Bradshaw
4 Jun 2019
Director
Sell
1,756
$15.20
$26.69K
James R Hazlett
23 Apr 2019
VP -- Technical Services
Sell
1,413
$17.77
$25.11K
James R Hazlett
22 Apr 2019
VP -- Technical Services
Sell
1,687
$17.79
$30.01K
G Larry Lawrence
10 Apr 2019
Chief Financial Officer
Sell
701
$18.25
$12.79K
G Larry Lawrence
8 Apr 2019
Chief Financial Officer
Sell
3,299
$18.42
$60.77K
James R Hazlett
1 Apr 2019
VP -- Technical Services
Sell
1,000
$17.57
$17.57K
James R Hazlett
29 Mar 2019
VP -- Technical Services
Sell
1,000
$17.07
$17.07K
James R Hazlett
28 Mar 2019
VP -- Technical Services
Sell
1,000
$17.14
$17.14K
James R Hazlett
27 Mar 2019
VP -- Technical Services
Sell
1,000
$17.33
$17.33K
James R Hazlett
26 Mar 2019
VP -- Technical Services
Sell
1,000
$17.26
$17.26K
Stephen Charles Taylor
5 Feb 2019
Chief Executive Officer
Sold after exercise
2,720
$17.00
$46.24K
Stephen Charles Taylor
4 Feb 2019
Chief Executive Officer
Sold after exercise
12,771
$17.06
$217.87K
Stephen Charles Taylor
31 Jan 2019
Chief Executive Officer
Sold after exercise
18
$17.00
$306.00
Stephen Charles Taylor
30 Jan 2019
Chief Executive Officer
Sold after exercise
348
$17.00
$5.92K
Stephen Charles Taylor
29 Jan 2019
Chief Executive Officer
Sold after exercise
4,905
$17.05
$83.63K
Stephen Charles Taylor
28 Jan 2019
Chief Executive Officer
Sold after exercise
1,110
$17.00
$18.87K
Stephen Charles Taylor
25 Jan 2019
Chief Executive Officer
Sold after exercise
1,980
$17.14
$33.94K
Stephen Charles Taylor
25 Jan 2019
Chief Executive Officer
Sold after exercise
2,994
$17.14
$51.32K
Stephen Charles Taylor
24 Jan 2019
Chief Executive Officer
Sold after exercise
1,205
$17.00
$20.49K
Stephen Charles Taylor
23 Jan 2019
Chief Executive Officer
Sold after exercise
1,846
$17.21
$31.77K
Stephen Charles Taylor
22 Jan 2019
Chief Executive Officer
Sold after exercise
1,200
$17.48
$20.98K
Stephen Charles Taylor
18 Jan 2019
Chief Executive Officer
Sold after exercise
12,444
$17.89
$222.62K
Stephen Charles Taylor
17 Jan 2019
Chief Executive Officer
Sold after exercise
10,311
$17.50
$180.44K
John Chisholm
8 Jan 2019
Director
Sold after exercise
2,500
$18.20
$45.50K
Stephen Charles Taylor
6 Sep 2018
CEO
Exercised, kept
4,000
$17.51
$70.04K
Stephen Charles Taylor
29 Aug 2018
CEO
Sold after exercise
13,776
$22.01
$303.21K
Stephen Charles Taylor
27 Aug 2018
CEO
Sell
514
$22.04
$11.33K
Stephen Charles Taylor
24 Aug 2018
CEO
Sell
1,500
$22.45
$33.68K
Stephen Charles Taylor
23 Aug 2018
CEO
Sold after exercise
1,306
$22.51
$29.40K
Stephen Charles Taylor
21 Aug 2018
CEO
Sold after exercise
2,704
$22.02
$59.54K
John Chisholm
28 Mar 2018
Director
Sell
4,511
$23.20
$104.66K
John Chisholm
27 Mar 2018
Director
Sell
9,569
$24.07
$230.33K
John Chisholm
26 Mar 2018
Director
Sell
4,110
$24.13
$99.17K
John Chisholm
23 Mar 2018
Director
Sell
2,750
$24.35
$66.96K
David L Bradshaw
13 Mar 2018
Director
Sell
1,853
$27.35
$50.68K
David L Bradshaw
13 Mar 2018
Director
Sell
647
$27.11
$17.54K
James R Hazlett
25 Jan 2018
VP -- Technical Services
Sold after exercise
102
$28.90
$2.95K
James R Hazlett
24 Jan 2018
VP -- Technical Services
Sold after exercise
200
$28.90
$5.78K
James R Hazlett
23 Jan 2018
VP -- Technical Services
Sold after exercise
513
$29.00
$14.88K
James R Hazlett
23 Jan 2018
VP -- Technical Services
Sold after exercise
979
$28.95
$28.34K
James R Hazlett
22 Jan 2018
VP -- Technical Services
Sold after exercise
198
$28.90
$5.72K
James R Hazlett
17 Jan 2018
VP -- Technical Services
Sold after exercise
2,005
$28.96
$58.06K
James R Hazlett
17 Jan 2018
VP -- Technical Services
Sold after exercise
1,688
$29.01
$48.97K
James R Hazlett
16 Jan 2018
VP -- Technical Services
Sold after exercise
1,201
$29.02
$34.85K
James R Hazlett
16 Jan 2018
VP -- Technical Services
Sold after exercise
1,239
$28.95
$35.87K
James R Hazlett
12 Jan 2018
VP -- Technical Services
Sold after exercise
277
$28.92
$8.01K
John Chisholm
27 Dec 2017
Director
Sold after exercise
1,400
$26.05
$36.47K
John Chisholm
27 Dec 2017
Director
Sold after exercise
2,500
$26.05
$65.13K
G Larry Lawrence
19 Dec 2017
Chief Financial Officer
Sell
6,000
$25.23
$151.38K
Stephen Charles Taylor
19 Dec 2017
Chief Executive Officer
Sold after exercise
16,212
$25.17
$408.06K
Charles G Curtis
11 Dec 2017
Director
Exercised, kept
2,500
$19.61
$49.03K
Stephen Charles Taylor
3 Oct 2017
CEO
Sold after exercise
3,874
$28.58
$110.72K
James R Hazlett
27 Sep 2017
VP -- Technical Services
Sell
2,543
$28.04
$71.31K
James R Hazlett
26 Sep 2017
VP -- Technical Services
Sell
9,807
$28.01
$274.69K
Stephen Charles Taylor
3 Jul 2017
Chief Executive Officer
Sell
7,157
$24.99
$178.85K
Stephen Charles Taylor
30 Jun 2017
Chief Executive Officer
Sell
4,843
$25.00
$121.08K
David L Bradshaw
20 Jun 2017
Director
Sell
2,540
$23.60
$59.94K
William F Hughes Jr
5 Jun 2017
Director
Sell
1,500
$26.86
$40.29K
James R Hazlett
2 May 2017
VP - Technical Services
Sell
400
$28.01
$11.20K
James R Hazlett
11 Apr 2017
VP -- Technical Services
Sell
2,550
$28.52
$72.73K
Stephen Charles Taylor
11 Jan 2017
Chief Executive Officer
Exercised, kept
19,914
$20.06
$399.47K
Stephen Charles Taylor
5 Jan 2017
Chief Executive Officer
Sell
6,188
$31.93
$197.58K
Stephen Charles Taylor
5 Jan 2017
Chief Executive Officer
Sell
1,700
$32.00
$54.40K
Stephen Charles Taylor
4 Jan 2017
Chief Executive Officer
Sell
6,052
$32.02
$193.79K
Stephen Charles Taylor
3 Jan 2017
Chief Executive Officer
Sell
2,079
$32.79
$68.17K
Stephen Charles Taylor
3 Jan 2017
Chief Executive Officer
Sell
3,895
$32.07
$124.91K
John Chisholm
29 Dec 2016
Director
Sold after exercise
1,100
$31.76
$34.94K
Charles G Curtis
9 Dec 2016
Director
Sell
8,000
$33.30
$266.40K
James R Hazlett
22 Nov 2016
VP - Technical Services
Sell
3,333
$28.67
$95.56K
G Larry Lawrence
17 Nov 2016
Chief Financial Officer
Sell
8,000
$26.99
$215.92K
Charles G Curtis
11 Nov 2016
Director
Exercised, kept
2,500
$13.90
$34.75K

What was left out

Form 4 filings counted 258
Amendments (4/A) skipped 12
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 32
Sales straight out of an exercise 32
Sales at will 61
Transactions with no price 0
Shares from compensation/vesting 1,639,685
Sales filed before the plan box existed 52
History held since 22 Nov 2006