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NATURAL GAS SERVICES GROUP INC

NGS Net selling
CIK 0001084991 #3168 in the set updated 19 Sep 2026
Bought (120 mo)
$346.67K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$18.04M
$9.26M on a plan · $2.27M straight out of an exercise
Sold at will
$6.51M
61 of 125 sales
Net
−$17.69M
−$6.16M against sales at will

By person

18 insiders · 139 transactions
60.7×

Justin C. Jacobs holds 60.7 times base salary in stock. $35.30M of shares against $581.25K in salary for 2025.

Salary from the company's own proxy. The shares are what Justin C. Jacobs last reported holding, valued at $37.23, the price Common Stock was last bought or sold at on the open market here, on 6 Mar 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Taylor Stephen Charles
Director
—
$15.14M (69) scheduled
−$15.14M
409,408
3.17%
$15.24M
+15.0%
Hazlett James R
Chief Technical Officer
—
$1.07M (29)
−$1.07M
127,844
0.9912%
$4.76M
+81.4%
CHISHOLM JOHN
Former Director
—
$866.85K (15)
−$866.85K
21,147
0.1640%
$787.20K
−0.9%
Lawrence G Larry
Chief Financial Officer
—
$440.86K (4)
−$440.86K
76,948
0.5966%
$2.86M
+49.6%
HOLLEY JEAN K
Director
$298.97K (4)
—
+$298.97K
18,846
0.1461%
$701.55K
—
CURTIS CHARLES G
Director
—
$266.40K (1)
−$266.40K
90,301
0.7001%
$3.36M
+24.5%
BRADSHAW DAVID L
Director
—
$178.82K (5)
−$178.82K
45,726
0.3545%
$1.70M
+176.3%
Jacobs Justin
Chief Executive Officer
$47.70K (1)
—
+$47.70K
948,264
7.35%
$35.30M
+3.9%
HUGHES WILLIAM F JR
Director
—
$40.29K (1)
−$40.29K
272,144
2.11%
$10.13M
+4.8%
Beyer Leslie Ann
Director
—
$33.15K (1)
−$33.15K
8,148
0.0632%
$303.31K
—
TRINGALI DONALD J
Director
—
—
—
37,540
0.2910%
$1.40M
+111.3%
Jenvey Nigel
Director
—
—
—
26,239
0.2034%
$976.75K
—
Foster Micah C.
VP and Chief Financial Officer
—
—
—
18,880
0.1464%
$702.81K
—
Tucker Brian L
President & COO
—
—
—
14,033
0.1088%
$522.38K
—
Hodges Georganne
Director
—
—
—
12,471
0.0967%
$464.24K
+787.6%
Gallegos John A. Jr.
Director
—
—
—
5,345
0.0414%
$198.97K
—
Lawrence James R
VP & Chief Financial Officer
—
—
—
4,609
0.0357%
$171.57K
−7.8%
Eckert Ian M
Chief Financial Officer
—
—
—
1,764
0.0137%
$65.67K
—

Individual transactions

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