Stock chart
Ticker: NGS Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-01-22 2025-01-21 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
10,000 -2.2%
29.01
USD 290,100
10,000 -2.2% 29.01 USD 290,100
2025-01-22 2025-01-21 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
9,400 -2.1%
28.57
USD 268,549
9,400 -2.1% 28.57 USD 268,549
2024-12-16 2024-12-12 S Sale

Taylor Stephen Charles

Non-Executive Director
10,000 -2.1%
27.15
USD 271,500
10,000 -2.1% 27.15 USD 271,500
2024-11-26 2024-11-25 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
600 -0.1%
28.50
USD 17,100
600 -0.1% 28.50 USD 17,100
2024-11-26 2024-11-22 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
10,000 -2.1%
28.00
USD 280,000
10,000 -2.1% 28.00 USD 280,000
2024-11-21 2024-11-21 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
38,479 -7.4%
26.89
USD 1,034,777
38,479 -7.4% 26.89 USD 1,034,777
2024-11-21 2024-11-20 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
1,521 -0.3%
26.00
USD 39,546
1,521 -0.3% 26.00 USD 39,546
2024-11-21 2024-11-19 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
6,516 -1.2%
25.50
USD 166,158
6,516 -1.2% 25.50 USD 166,158
2024-11-18 2024-11-18 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
3,442 -0.7%
25.51
USD 87,809
3,442 -0.7% 25.51 USD 87,809
2024-11-18 2024-11-15 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
10,042 -1.9%
25.01
USD 251,110
10,042 -1.9% 25.01 USD 251,110
2024-11-13 2024-11-13 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
2,191 -0.4%
24.50
USD 53,680
2,191 -0.4% 24.50 USD 53,680
2024-11-13 2024-11-12 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
4,713 -0.9%
24.51
USD 115,506
4,713 -0.9% 24.51 USD 115,506
2024-11-13 2024-11-11 PS Planned sale

Taylor Stephen Charles

Non-Executive Director
3,096 -0.6%
24.50
USD 75,853
3,096 -0.6% 24.50 USD 75,853
2024-08-28 2024-08-26 S Sale

Taylor Stephen Charles

Non-Executive Director
3,181 -0.6%
22.00
USD 69,982
3,181 -0.6% 22.00 USD 69,982
2024-08-22 2024-08-20 S Sale

Taylor Stephen Charles

Non-Executive Director
4,690 -0.8%
22.14
USD 103,837
4,690 -0.8% 22.14 USD 103,837
2024-06-18 2024-06-14 B Purchase

Jacobs Justin

Chief Executive Officer

Executive Director
2,500 +690.6%
19.08
USD 47,700
2,500 +690.6% 19.08 USD 47,700
2022-12-08 2022-12-01 S Sale

Beyer Leslie Ann

Non-Executive Director
3,000 -26.9%
11.05
USD 33,150
3,000 -26.9% 11.05 USD 33,150
2022-06-08 2022-06-07 PS Planned sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
3,918 -0.8%
15.00
USD 58,770
3,918 -0.8% 15.00 USD 58,770
2022-06-08 2022-06-07 PS Planned sale

Hazlett James R

VP - Technical Services

Officer
972 -1.3%
15.00
USD 14,580
972 -1.3% 15.00 USD 14,580
2022-06-01 2022-05-31 PS Planned sale

Hazlett James R

VP - Technical Services

Officer
2,405 -3.2%
14.01
USD 33,694
2,405 -3.2% 14.01 USD 33,694
2022-06-01 2022-05-27 PS Planned sale

Hazlett James R

VP - Technical Services

Officer
595 -0.8%
14.05
USD 8,360
595 -0.8% 14.05 USD 8,360
2022-04-12 2022-04-11 S Sale

CHISHOLM JOHN

Non-Executive Director
500 -5.4%
11.79
USD 5,895
500 -5.4% 11.79 USD 5,895
2022-04-01 2022-04-01 S Sale

CHISHOLM JOHN

Non-Executive Director
1,500 -13.9%
10.68
USD 16,020
1,500 -13.9% 10.68 USD 16,020
2022-03-03 2022-03-02 PS Planned sale

Hazlett James R

VP - Technical Services

Officer
300 -0.4%
14.00
USD 4,200
300 -0.4% 14.00 USD 4,200
2022-03-03 2022-03-01 PS Planned sale

Hazlett James R

VP - Technical Services

Officer
2,750 -3.3%
13.13
USD 36,108
2,750 -3.3% 13.13 USD 36,108
2021-10-07 2021-10-06 S Sale

Hazlett James R

VP - Technical Services

Officer
2,750 -3.2%
12.08
USD 33,220
2,750 -3.2% 12.08 USD 33,220
2021-09-14 2021-09-14 S Sale

CHISHOLM JOHN

Non-Executive Director
7,000 -33.7%
9.97
USD 69,790
7,000 -33.7% 9.97 USD 69,790
2020-12-10 2020-12-10 S Sale

Hazlett James R

VP -- Technical Services

Officer
2,500 -3.4%
12.00
USD 30,000
2,500 -3.4% 12.00 USD 30,000
2019-06-05 2019-06-04 S Sale

BRADSHAW DAVID L

1,600 -6.8%
14.98
USD 23,968
1,600 -6.8% 14.98 USD 23,968
2019-06-05 2019-06-04 S Sale

BRADSHAW DAVID L

1,756 -6.9%
15.20
USD 26,691
1,756 -6.9% 15.20 USD 26,691
2019-04-25 2019-04-23 S Sale

Hazlett James R

VP -- Technical Services

1,413 -2.9%
17.77
USD 25,109
1,413 -2.9% 17.77 USD 25,109
2019-04-25 2019-04-22 S Sale

Hazlett James R

VP -- Technical Services

1,687 -3.3%
17.79
USD 30,012
1,687 -3.3% 17.79 USD 30,012
2019-04-10 2019-04-10 S Sale

Lawrence G Larry

Chief Financial Officer

701 -1.5%
18.25
USD 12,793
701 -1.5% 18.25 USD 12,793
2019-04-10 2019-04-08 S Sale

Lawrence G Larry

Chief Financial Officer

3,299 -6.6%
18.42
USD 60,768
3,299 -6.6% 18.42 USD 60,768
2019-04-01 2019-04-01 S Sale

Hazlett James R

VP -- Technical Services

1,000 -1.9%
17.57
USD 17,570
1,000 -1.9% 17.57 USD 17,570
2019-04-01 2019-03-29 S Sale

Hazlett James R

VP -- Technical Services

1,000 -1.9%
17.07
USD 17,070
1,000 -1.9% 17.07 USD 17,070
2019-04-01 2019-03-28 S Sale

Hazlett James R

VP -- Technical Services

1,000 -1.9%
17.14
USD 17,140
1,000 -1.9% 17.14 USD 17,140
2019-03-27 2019-03-27 S Sale

Hazlett James R

VP -- Technical Services

Officer
1,000 -1.8%
17.33
USD 17,330
1,000 -1.8% 17.33 USD 17,330
2019-03-27 2019-03-26 S Sale

Hazlett James R

VP -- Technical Services

Officer
1,000 -1.8%
17.26
USD 17,260
1,000 -1.8% 17.26 USD 17,260
2019-02-06 2019-02-05 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
2,720 -0.8%
17.00
USD 46,240
2,720 -0.8% 17.00 USD 46,240
2019-02-04 2019-02-04 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
12,771 -3.8%
17.06
USD 217,873
12,771 -3.8% 17.06 USD 217,873
2019-02-04 2019-01-31 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
18 -0.0%
17.00
USD 306
18 -0.0% 17.00 USD 306
2019-01-30 2019-01-30 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
348 -0.1%
17.00
USD 5,916
348 -0.1% 17.00 USD 5,916
2019-01-30 2019-01-29 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
4,905 -1.5%
17.05
USD 83,630
4,905 -1.5% 17.05 USD 83,630
2019-01-30 2019-01-28 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
1,110 -0.3%
17.00
USD 18,870
1,110 -0.3% 17.00 USD 18,870
2019-01-25 2019-01-25 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
1,980 -0.6%
17.14
USD 33,937
1,980 -0.6% 17.14 USD 33,937
2019-01-25 2019-01-25 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
2,994 -0.9%
17.14
USD 51,317
2,994 -0.9% 17.14 USD 51,317
2019-01-25 2019-01-24 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
1,205 -0.4%
17.00
USD 20,485
1,205 -0.4% 17.00 USD 20,485
2019-01-25 2019-01-23 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
1,846 -0.6%
17.21
USD 31,770
1,846 -0.6% 17.21 USD 31,770
2019-01-22 2019-01-22 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
1,200 -0.4%
17.48
USD 20,976
1,200 -0.4% 17.48 USD 20,976
2019-01-22 2019-01-18 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
12,444 -3.7%
17.89
USD 222,623
12,444 -3.7% 17.89 USD 222,623
2019-01-22 2019-01-17 S Sale

Taylor Stephen Charles

Chief Executive Officer

Executive Director
10,311 -3.1%
17.50
USD 180,443
10,311 -3.1% 17.50 USD 180,443
2019-01-09 2019-01-08 S Sale

CHISHOLM JOHN

Non-Executive Director
2,500 -18.6%
18.20
USD 45,500
2,500 -18.6% 18.20 USD 45,500
2018-08-31 2018-08-29 S Sale

Taylor Stephen Charles

CEO

Executive Director
13,776 -4.2%
22.01
USD 303,210
13,776 -4.2% 22.01 USD 303,210
2018-08-27 2018-08-27 S Sale

Taylor Stephen Charles

CEO

Executive Director
514 -0.2%
22.04
USD 11,329
514 -0.2% 22.04 USD 11,329
2018-08-27 2018-08-24 S Sale

Taylor Stephen Charles

CEO

Executive Director
1,500 -0.5%
22.45
USD 33,675
1,500 -0.5% 22.45 USD 33,675
2018-08-27 2018-08-23 S Sale

Taylor Stephen Charles

CEO

Executive Director
1,306 -0.4%
22.51
USD 29,398
1,306 -0.4% 22.51 USD 29,398
2018-08-23 2018-08-21 S Sale

Taylor Stephen Charles

CEO

Executive Director
2,704 -0.8%
22.02
USD 59,542
2,704 -0.8% 22.02 USD 59,542
2018-03-28 2018-03-28 S Sale

CHISHOLM JOHN

4,511 -29.2%
23.20
USD 104,655
4,511 -29.2% 23.20 USD 104,655
2018-03-27 2018-03-27 S Sale

CHISHOLM JOHN

9,569 -38.2%
24.07
USD 230,326
9,569 -38.2% 24.07 USD 230,326
2018-03-27 2018-03-26 S Sale

CHISHOLM JOHN

4,110 -14.1%
24.13
USD 99,174
4,110 -14.1% 24.13 USD 99,174
2018-03-27 2018-03-23 S Sale

CHISHOLM JOHN

2,750 -8.6%
24.35
USD 66,963
2,750 -8.6% 24.35 USD 66,963
2018-03-14 2018-03-13 S Sale

BRADSHAW DAVID L

1,853 -10.7%
27.35
USD 50,680
1,853 -10.7% 27.35 USD 50,680
2018-03-14 2018-03-13 S Sale

BRADSHAW DAVID L

647 -3.6%
27.11
USD 17,540
647 -3.6% 27.11 USD 17,540
2018-01-29 2018-01-25 S Sale

Hazlett James R

VP -- Technical Services

Officer
102 -0.2%
28.90
USD 2,948
102 -0.2% 28.90 USD 2,948
2018-01-24 2018-01-24 S Sale

Hazlett James R

VP -- Technical Services

Officer
200 -0.4%
28.90
USD 5,780
200 -0.4% 28.90 USD 5,780
2018-01-24 2018-01-23 S Sale

Hazlett James R

VP -- Technical Services

Officer
513 -1.1%
29.00
USD 14,877
513 -1.1% 29.00 USD 14,877
2018-01-24 2018-01-23 S Sale

Hazlett James R

VP -- Technical Services

Officer
979 -2.1%
28.95
USD 28,342
979 -2.1% 28.95 USD 28,342
2018-01-24 2018-01-22 S Sale

Hazlett James R

VP -- Technical Services

Officer
198 -0.4%
28.90
USD 5,722
198 -0.4% 28.90 USD 5,722
2018-01-17 2018-01-17 S Sale

Hazlett James R

VP -- Technical Services

Officer
2,005 -4.3%
28.96
USD 58,065
2,005 -4.3% 28.96 USD 58,065
2018-01-17 2018-01-17 S Sale

Hazlett James R

VP -- Technical Services

Officer
1,688 -3.5%
29.01
USD 48,969
1,688 -3.5% 29.01 USD 48,969
2018-01-17 2018-01-16 S Sale

Hazlett James R

VP -- Technical Services

Officer
1,201 -2.5%
29.02
USD 34,853
1,201 -2.5% 29.02 USD 34,853
2018-01-17 2018-01-16 S Sale

Hazlett James R

VP -- Technical Services

Officer
1,239 -2.5%
28.95
USD 35,869
1,239 -2.5% 28.95 USD 35,869
2018-01-17 2018-01-12 S Sale

Hazlett James R

VP -- Technical Services

Officer
277 -0.6%
28.92
USD 8,011
277 -0.6% 28.92 USD 8,011
2017-12-29 2017-12-27 S Sale

CHISHOLM JOHN

1,400 -4.8%
26.05
USD 36,470
1,400 -4.8% 26.05 USD 36,470
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