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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of all insider trading transactions in NATURAL GAS SERVICES GROUP INC. Get notifications about new insider transactions in NATURAL GAS SERVICES GROUP INC for free.
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Option Exercise | M | 19.61 | 2,500 | 49,025 | 0 | |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 16.74 | 5,000 | 83,700 | 38,664 | 33.7 K to 38.7 K (+14.85 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 20.48 | 2,500 | 51,200 | 33,664 | 31.2 K to 33.7 K (+8.02 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 19.61 | 2,500 | 49,025 | 31,164 | 28.7 K to 31.2 K (+8.72 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Payment of Exercise | F | 22.30 | 206 | 4,594 | 21,340 | 21.5 K to 21.3 K (-0.96 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Payment of Exercise | F | 19.30 | 206 | 3,976 | 21,546 | 21.8 K to 21.5 K (-0.95 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Payment of Exercise | F | 22.82 | 206 | 4,701 | 21,752 | 22 K to 21.8 K (-0.94 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | VP -- Technical Ser ... | Payment of Exercise | F | 21.60 | 5,633 | 121,673 | 67,723 | 73.4 K to 67.7 K (-7.68 %) |
| May 12 2016 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | CFO & VP | Payment of Exercise | F | 21.60 | 5,624 | 121,478 | 51,221 | 56.8 K to 51.2 K (-9.89 %) |
| Mar 24 2016 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Option Exercise | M | 14.22 | 15,000 | 213,300 | 0 | |
| Mar 24 2016 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 21.33 | 15,000 | 319,920 | 332,543 | 347.5 K to 332.5 K (-4.32 %) |
| Mar 24 2016 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Buy | M | 14.22 | 15,000 | 213,300 | 347,543 | 332.5 K to 347.5 K (+4.51 %) |
| Apr 08 2016 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Grant | A | 20.39 | 5,884 | 119,975 | 19,666 | 25.6 K to 19.7 K (-23.03 %) |
| Apr 08 2016 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 20.39 | 5,884 | 119,975 | 72,521 | 66.6 K to 72.5 K (+8.83 %) |
| Apr 08 2016 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Grant | A | 20.39 | 5,884 | 119,975 | 22,164 | 16.3 K to 22.2 K (+36.14 %) |
| Apr 08 2016 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 20.39 | 20,000 | 407,800 | 74,856 | 94.9 K to 74.9 K (-21.08 %) |
| Apr 08 2016 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Grant | A | 20.39 | 5,884 | 119,975 | 28,664 | 22.8 K to 28.7 K (+25.83 %) |
| Apr 08 2016 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Grant | A | 20.39 | 20,000 | 407,800 | 56,845 | 76.8 K to 56.8 K (-26.03 %) |
| Jan 14 2016 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Option Exercise | M | 16.96 | 2,500 | 42,400 | 0 | |
| Jan 14 2016 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Buy | M | 16.96 | 2,500 | 42,400 | 66,637 | 64.1 K to 66.6 K (+3.90 %) |
| Jan 08 2016 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 22.13 | 75,915 | 1,679,999 | 332,543 | 256.6 K to 332.5 K (+29.58 %) |
| Dec 22 2015 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Sell | S | 20.34 | 8,000 | 162,720 | 36,845 | 44.8 K to 36.8 K (-17.84 %) |
| Dec 21 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 20.87 | 1,500 | 31,305 | 53,356 | 54.9 K to 53.4 K (-2.73 %) |
| Dec 21 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 20.31 | 2,000 | 40,620 | 54,856 | 56.9 K to 54.9 K (-3.52 %) |
| Dec 21 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 20.03 | 1,000 | 20,030 | 56,856 | 57.9 K to 56.9 K (-1.73 %) |
| Dec 17 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 19.81 | 1,000 | 19,810 | 61,922 | 62.9 K to 61.9 K (-1.59 %) |
| Dec 17 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 20.01 | 1,000 | 20,010 | 62,922 | 63.9 K to 62.9 K (-1.56 %) |
| Jul 02 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 22.00 | 2,500 | 55,000 | 63,922 | 66.4 K to 63.9 K (-3.76 %) |
| Jun 22 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 23.32 | 2,500 | 58,300 | 66,422 | 68.9 K to 66.4 K (-3.63 %) |
| Jun 18 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 23.20 | 3,372 | 78,230 | 68,922 | 72.3 K to 68.9 K (-4.66 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 23.97 | 6,628 | 158,873 | 68,228 | 74.9 K to 68.2 K (-8.85 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Payment of Exercise | F | 22.00 | 20,547 | 452,034 | 244,884 | 265.4 K to 244.9 K (-7.74 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Payment of Exercise | F | 19.22 | 206 | 3,959 | 16,074 | 16.3 K to 16.1 K (-1.27 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Payment of Exercise | F | 19.70 | 4,067 | 80,120 | 44,845 | 48.9 K to 44.8 K (-8.31 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Payment of Exercise | F | 22.01 | 1,088 | 23,947 | 48,912 | 50 K to 48.9 K (-2.18 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Payment of Exercise | F | 19.70 | 4,066 | 80,100 | 74,856 | 78.9 K to 74.9 K (-5.15 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Payment of Exercise | F | 22.01 | 1,088 | 23,947 | 78,922 | 80 K to 78.9 K (-1.36 %) |
| Jun 12 2015 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Payment of Exercise | F | 19.22 | 206 | 3,959 | 13,782 | 14 K to 13.8 K (-1.47 %) |
| Apr 02 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 19.07 | 2,115 | 40,333 | 265,431 | 267.5 K to 265.4 K (-0.79 %) |
| Apr 01 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 19.27 | 4,000 | 77,080 | 267,546 | 271.5 K to 267.5 K (-1.47 %) |
| Mar 30 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 19.00 | 1,000 | 19,000 | 271,546 | 272.5 K to 271.5 K (-0.37 %) |
| Mar 26 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 20.06 | 2,309 | 46,319 | 272,546 | 274.9 K to 272.5 K (-0.84 %) |
| Mar 25 2015 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Sell | S | 19.95 | 10,000 | 199,500 | 50,000 | 60 K to 50 K (-16.67 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 18.75 | 20,000 | 375,000 | 80,010 | 60 K to 80 K (+33.33 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 18.75 | 5,492 | 102,975 | 64,137 | 58.6 K to 64.1 K (+9.36 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Grant | A | 18.75 | 5,492 | 102,975 | 16,280 | 10.8 K to 16.3 K (+50.91 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Option Exercise | M | 13.90 | 2,500 | 34,750 | 0 | |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Option Exercise | M | 16.96 | 2,500 | 42,400 | 0 | |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 13.90 | 2,500 | 34,750 | 22,720 | 20.2 K to 22.7 K (+12.36 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 16.96 | 2,500 | 42,400 | 20,220 | 17.7 K to 20.2 K (+14.11 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Grant | A | 18.75 | 5,492 | 102,975 | 17,720 | 12.2 K to 17.7 K (+44.91 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Grant | A | 18.75 | 20,000 | 375,000 | 60,000 | 40 K to 60 K (+50.00 %) |
| Mar 23 2015 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Grant | A | 18.75 | 5,492 | 102,975 | 13,988 | 8.5 K to 14 K (+64.64 %) |
| Mar 20 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Option Exercise | M | 9.22 | 45,000 | 414,900 | 0 | |
| Mar 20 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 19.53 | 5,000 | 97,650 | 286,599 | 291.6 K to 286.6 K (-1.71 %) |
| Mar 20 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Sell | S | 18.33 | 28,256 | 517,932 | 291,599 | 319.9 K to 291.6 K (-8.83 %) |
| Mar 20 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Buy | M | 9.22 | 45,000 | 414,900 | 319,855 | 274.9 K to 319.9 K (+16.37 %) |
| Jan 20 2015 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 19.49 | 83,590 | 1,629,169 | 274,855 | 191.3 K to 274.9 K (+43.70 %) |
| Mar 24 2014 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Grant | A | 30.41 | 3,288 | 99,988 | 8,496 | 5.2 K to 8.5 K (+63.13 %) |
| Mar 24 2014 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Grant | A | 30.41 | 3,288 | 99,988 | 12,288 | 9 K to 12.3 K (+36.53 %) |
| Mar 24 2014 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 30.41 | 3,288 | 99,988 | 58,645 | 55.4 K to 58.6 K (+5.94 %) |
| Mar 24 2014 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 30.41 | 15,000 | 456,150 | 60,010 | 45 K to 60 K (+33.33 %) |
| Mar 24 2014 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Grant | A | 30.41 | 15,000 | 456,150 | 40,000 | 25 K to 40 K (+60.00 %) |
| Mar 24 2014 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Grant | A | 30.41 | 3,288 | 99,988 | 10,788 | 7.5 K to 10.8 K (+43.84 %) |
| Jan 27 2014 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 28.11 | 49,420 | 1,389,196 | 191,265 | 141.8 K to 191.3 K (+34.84 %) |
| Dec 09 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 28.50 | 4,164 | 118,674 | 45,010 | 49.2 K to 45 K (-8.47 %) |
| Dec 09 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 28.75 | 147 | 4,226 | 49,174 | 49.3 K to 49.2 K (-0.30 %) |
| Dec 09 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 28.61 | 300 | 8,583 | 49,321 | 49.6 K to 49.3 K (-0.60 %) |
| Dec 09 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 28.60 | 200 | 5,720 | 49,621 | 49.8 K to 49.6 K (-0.40 %) |
| Dec 09 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 28.56 | 100 | 2,856 | 49,821 | 49.9 K to 49.8 K (-0.20 %) |
| Dec 09 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 28.63 | 89 | 2,548 | 49,921 | 50 K to 49.9 K (-0.18 %) |
| Sep 05 2013 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 27.68 | 20,000 | 553,600 | 110,500 | 130.5 K to 110.5 K (-15.33 %) |
| May 16 2013 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 22.35 | 20,000 | 447,000 | 130,500 | 150.5 K to 130.5 K (-13.29 %) |
| May 02 2013 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 20.19 | 56,950 | 1,149,821 | 141,845 | 84.9 K to 141.8 K (+67.08 %) |
| Mar 25 2013 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Grant | A | 18.75 | 2,500 | 46,875 | 7,500 | 5 K to 7.5 K (+50.00 %) |
| Mar 25 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 18.75 | 2,500 | 46,875 | 59,357 | 56.9 K to 59.4 K (+4.40 %) |
| Mar 25 2013 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Grant | A | 18.75 | 2,500 | 46,875 | 5,208 | 2.7 K to 5.2 K (+92.32 %) |
| Mar 25 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 18.75 | 10,000 | 187,500 | 50,010 | 40 K to 50 K (+24.99 %) |
| Mar 25 2013 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Grant | A | 18.75 | 2,500 | 46,875 | 9,000 | 6.5 K to 9 K (+38.46 %) |
| Mar 25 2013 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Grant | A | 18.75 | 10,000 | 187,500 | 25,000 | 15 K to 25 K (+66.67 %) |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Option Exercise | M | 8.00 | 2,500 | 20,000 | 0 | |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Option Exercise | M | 9.34 | 2,500 | 23,350 | 0 | |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Option Exercise | M | 5.55 | 2,500 | 13,875 | 0 | |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Option Exercise | M | 3.88 | 2,500 | 9,700 | 0 | |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 8.00 | 2,500 | 20,000 | 56,857 | 54.4 K to 56.9 K (+4.60 %) |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 9.34 | 2,500 | 23,350 | 54,357 | 51.9 K to 54.4 K (+4.82 %) |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 5.55 | 2,500 | 13,875 | 51,857 | 49.4 K to 51.9 K (+5.07 %) |
| Jan 15 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 3.88 | 2,500 | 9,700 | 49,357 | 46.9 K to 49.4 K (+5.34 %) |
| Mar 20 2013 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Sell | S | 18.91 | 5,000 | 94,550 | 40,010 | 45 K to 40 K (-11.11 %) |
| Jan 03 2013 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Gift | G | 0.00 | 12,000 | 0 | 46,857 | 58.9 K to 46.9 K (-20.39 %) |
| Dec 14 2012 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Grant | A | 16.48 | 1,667 | 27,472 | 11,167 | 9.5 K to 11.2 K (+17.55 %) |
| Dec 14 2012 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Grant | A | 16.48 | 208 | 3,428 | 2,708 | 2.5 K to 2.7 K (+8.32 %) |
| Dec 04 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 16.23 | 20,000 | 324,600 | 150,500 | 170.5 K to 150.5 K (-11.73 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Option Exercise | M | 8.00 | 2,500 | 20,000 | 0 | |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Option Exercise | M | 9.34 | 2,500 | 23,350 | 0 | |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Option Exercise | M | 5.55 | 2,500 | 13,875 | 0 | |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.34 | 200 | 2,668 | 6,500 | 6.7 K to 6.5 K (-2.99 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.36 | 100 | 1,336 | 6,700 | 6.8 K to 6.7 K (-1.47 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.37 | 400 | 5,348 | 6,800 | 7.2 K to 6.8 K (-5.56 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.38 | 400 | 5,352 | 7,200 | 7.6 K to 7.2 K (-5.26 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.39 | 800 | 10,712 | 7,600 | 8.4 K to 7.6 K (-9.52 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.40 | 300 | 4,020 | 8,400 | 8.7 K to 8.4 K (-3.45 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.41 | 200 | 2,682 | 8,700 | 8.9 K to 8.7 K (-2.25 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.42 | 100 | 1,342 | 8,900 | 9 K to 8.9 K (-1.11 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.44 | 100 | 1,344 | 9,000 | 9.1 K to 9 K (-1.10 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.45 | 800 | 10,760 | 9,100 | 9.9 K to 9.1 K (-8.08 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.46 | 600 | 8,076 | 9,900 | 10.5 K to 9.9 K (-5.71 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.47 | 800 | 10,776 | 10,500 | 11.3 K to 10.5 K (-7.08 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.48 | 900 | 12,132 | 11,300 | 12.2 K to 11.3 K (-7.38 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.49 | 400 | 5,396 | 12,200 | 12.6 K to 12.2 K (-3.17 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.50 | 200 | 2,700 | 12,600 | 12.8 K to 12.6 K (-1.56 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.51 | 600 | 8,106 | 12,800 | 13.4 K to 12.8 K (-4.48 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.52 | 400 | 5,408 | 13,400 | 13.8 K to 13.4 K (-2.90 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Sell | S | 13.53 | 200 | 2,706 | 13,800 | 14 K to 13.8 K (-1.43 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 9.34 | 2,500 | 23,350 | 14,000 | 11.5 K to 14 K (+21.74 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 8.00 | 2,500 | 20,000 | 11,500 | 9 K to 11.5 K (+27.78 %) |
| May 22 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Buy | M | 5.55 | 2,500 | 13,875 | 9,000 | 6.5 K to 9 K (+38.46 %) |
| Mar 30 2012 | NGS | NATURAL GAS SERVIC ... | BRADSHAW DAVID L | Director | Grant | A | 13.43 | 2,500 | 33,575 | 2,500 | 0 to 2.5 K |
| Mar 30 2012 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Grant | A | 13.43 | 2,500 | 33,575 | 6,500 | 4 K to 6.5 K (+62.50 %) |
| Mar 30 2012 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Grant | A | 13.43 | 2,500 | 33,575 | 9,500 | 7 K to 9.5 K (+35.71 %) |
| Mar 30 2012 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 13.43 | 2,500 | 33,575 | 58,857 | 56.4 K to 58.9 K (+4.44 %) |
| Mar 30 2012 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Grant | A | 13.43 | 2,500 | 33,575 | 5,000 | 2.5 K to 5 K (+100.00 %) |
| Jan 27 2012 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 14.89 | 10,000 | 148,900 | 45,010 | 35 K to 45 K (+28.56 %) |
| Jan 27 2012 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Grant | A | 14.89 | 10,000 | 148,900 | 15,000 | 5 K to 15 K (+200.00 %) |
| Jan 27 2012 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 14.89 | 50,000 | 744,500 | 84,895 | 34.9 K to 84.9 K (+143.29 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.44 | 100 | 1,244 | 7,000 | 6.9 K to 7 K (+1.45 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.48 | 100 | 1,248 | 6,900 | 6.8 K to 6.9 K (+1.47 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.49 | 200 | 2,498 | 6,800 | 6.6 K to 6.8 K (+3.03 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.50 | 100 | 1,250 | 6,600 | 6.5 K to 6.6 K (+1.54 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.55 | 400 | 5,020 | 6,500 | 6.1 K to 6.5 K (+6.56 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.57 | 600 | 7,542 | 6,100 | 5.5 K to 6.1 K (+10.91 %) |
| Aug 25 2011 | NGS | NATURAL GAS SERVIC ... | HUSEMAN KENNETH V | Director | Buy | P | 12.58 | 500 | 6,290 | 5,500 | 5 K to 5.5 K (+10.00 %) |
| Aug 01 2011 | NGS | NATURAL GAS SERVIC ... | YADON RICHARD L | Director | Grant | A | 15.60 | 625 | 9,750 | 200,625 | 200 K to 200.6 K (+0.31 %) |
| Jun 17 2011 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 15.25 | 5,000 | 76,250 | 35,010 | 30 K to 35 K (+16.66 %) |
| Jun 17 2011 | NGS | NATURAL GAS SERVIC ... | Lawrence G Larry | Chief Financial Off ... | Grant | A | 15.25 | 5,000 | 76,250 | 5,000 | 0 to 5 K |
| Apr 13 2011 | NGS | NATURAL GAS SERVIC ... | STRASHEIM GENE A | Director | Grant | A | 17.41 | 2,500 | 43,525 | 8,500 | 6 K to 8.5 K (+41.67 %) |
| Apr 13 2011 | NGS | NATURAL GAS SERVIC ... | YADON RICHARD L | Director | Grant | A | 17.41 | 2,500 | 43,525 | 199,500 | 197 K to 199.5 K (+1.27 %) |
| Apr 13 2011 | NGS | NATURAL GAS SERVIC ... | CURTIS CHARLES G | Director | Grant | A | 17.41 | 2,500 | 43,525 | 56,357 | 53.9 K to 56.4 K (+4.64 %) |
| Apr 13 2011 | NGS | NATURAL GAS SERVIC ... | HUGHES WILLIAM F JR | Director | Grant | A | 17.41 | 2,500 | 43,525 | 4,000 | 1.5 K to 4 K (+166.67 %) |
| Apr 13 2011 | NGS | NATURAL GAS SERVIC ... | CHISHOLM JOHN | Director | Grant | A | 17.41 | 2,500 | 43,525 | 2,500 | 0 to 2.5 K |
| Jan 31 2011 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 0.00 | 20,000 | 0 | 34,895 | 14.9 K to 34.9 K (+134.27 %) |
| Jan 26 2011 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Option Exercise | A | 17.81 | 10,000 | 178,100 | 10,000 | |
| Jan 26 2011 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Grant | A | 17.81 | 1,194 | 21,265 | 30,010 | 28.8 K to 30 K (+4.14 %) |
| Jan 26 2011 | NGS | NATURAL GAS SERVIC ... | Taylor Stephen Charles | President and CEO | Grant | A | 17.81 | 4,791 | 85,328 | 14,895 | 10.1 K to 14.9 K (+47.42 %) |
| Jan 10 2011 | NGS | NATURAL GAS SERVIC ... | YADON RICHARD L | Director | Option Exercise | M | 16.74 | 1,250 | 20,925 | 0 | |
| Jan 10 2011 | NGS | NATURAL GAS SERVIC ... | YADON RICHARD L | Director | Buy | M | 16.74 | 1,250 | 20,925 | 197,000 | 195.8 K to 197 K (+0.64 %) |
| Dec 29 2010 | NGS | NATURAL GAS SERVIC ... | WAIT EARL R | VP/Accounting; Trea ... | Option Exercise | M | 3.25 | 9,000 | 29,250 | 0 | |
| Dec 29 2010 | NGS | NATURAL GAS SERVIC ... | WAIT EARL R | VP/Accounting; Trea ... | Buy | M | 3.25 | 9,000 | 29,250 | 12,597 | 3.6 K to 12.6 K (+250.21 %) |
| Dec 16 2010 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Option Exercise | M | 7.84 | 7,589 | 59,498 | 0 | |
| Dec 16 2010 | NGS | NATURAL GAS SERVIC ... | Hazlett James R | Vice President-Tech ... | Buy | M | 7.84 | 7,589 | 59,498 | 28,816 | 21.2 K to 28.8 K (+35.75 %) |