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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
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.70	1,500	29,550	267,000	268.5 K to 267 K (-0.56 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.55	1,000	19,550	268,500	269.5 K to 268.5 K (-0.37 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.45	700	13,615	269,500	270.2 K to 269.5 K (-0.26 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.44	600	11,664	270,200	270.8 K to 270.2 K (-0.22 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.43	900	17,487	270,800	271.7 K to 270.8 K (-0.33 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.40	700	13,580	271,700	272.4 K to 271.7 K (-0.26 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.30	100	1,930	272,400	272.5 K to 272.4 K (-0.04 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.25	1,000	19,250	272,500	273.5 K to 272.5 K (-0.37 %)
Sep 01 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Sell	S	19.12	6,000	114,720	273,500	279.5 K to 273.5 K (-2.15 %)
Sep 06 2005	NGS	NATURAL GAS SERVIC ...	HUGHES WILLIAM F JR	Director	Option Exercise	X	3.25	60,000	195,000	0
Sep 06 2005	NGS	NATURAL GAS SERVIC ...	HUGHES WILLIAM F JR	Director	Buy	X	3.25	60,000	195,000	60,000	0 to 60 K
May 31 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	12,500	78,125	414,700
May 27 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	10,000	62,500	402,200
May 27 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	11,000	68,750	392,200
May 26 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	100	625	381,200
May 23 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	1,000	6,250	381,100
May 23 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	100	625	380,100
May 20 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	1,100	6,875	380,000
May 20 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	1,700	10,625	378,900
May 18 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	6,000	37,500	377,200
May 16 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	20,000	125,000	371,200
May 16 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	28,000	175,000	351,200
May 10 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	5,500	34,375	323,200
May 10 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	1,000	6,250	317,700
May 10 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	5,000	31,250	316,700
May 09 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	3,800	23,750	311,700
May 05 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	13,500	84,375	307,900
May 05 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	20,000	125,000	294,400
May 03 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	14,500	90,625	274,400
May 03 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	17,500	109,375	259,900
Apr 28 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	12,500	78,125	254,900
Apr 28 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	22,500	140,625	242,400
Apr 28 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	2,800	17,500	219,900
Apr 25 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	5,000	31,250	217,100
Apr 25 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	4,500	28,125	212,100
Apr 25 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	1,500	9,375	207,600
Apr 21 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	5,000	31,250	206,100
Apr 20 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	14,000	87,500	201,100
Apr 20 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	3,000	18,750	187,100
Apr 18 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	3,500	21,875	184,100
Mar 21 2005	NGS	NATURAL GAS SERVIC ...	SPARKMAN SCOTT W	Secretary	Option Exercise	S	6.25	167	1,044	0
Mar 16 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	1,900	11,875	180,600
Mar 14 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	5,000	31,250	178,700
Mar 14 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Option Exercise	P	6.25	5,200	32,500	173,700
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.95	16,100	176,295	155,000	138.9 K to 155 K (+11.59 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.94	3,500	38,290	138,900	135.4 K to 138.9 K (+2.58 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.90	18,900	206,010	135,400	116.5 K to 135.4 K (+16.22 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.85	1,000	10,850	116,500	115.5 K to 116.5 K (+0.87 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.72	100	1,072	115,500	115.4 K to 115.5 K (+0.09 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.70	10,200	109,140	115,400	105.2 K to 115.4 K (+9.70 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.69	200	2,138	105,200	105 K to 105.2 K (+0.19 %)
Mar 07 2005	NGS	NATURAL GAS SERVIC ...	Barney Charles L	10% Owner	Buy	P	10.95	3,400	37,230	552,974	549.6 K to 553 K (+0.62 %)
Feb 02 2005	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Option Exercise	X	3.25	9,032	29,354	0
Feb 02 2005	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Option Exercise	X	2.50	21,936	54,840	0
Feb 02 2005	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Buy	X	3.25	9,032	29,354	9,032	0 to 9 K
Feb 02 2005	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Buy	X	2.50	21,936	54,840	21,936	0 to 21.9 K
Jan 07 2005	NGS	NATURAL GAS SERVIC ...	HUGHES WILLIAM F JR	Director	Option Exercise	A	9.34	2,500	23,350	2,500
Jan 07 2005	NGS	NATURAL GAS SERVIC ...	STRASHEIM GENE A	Director	Option Exercise	A	9.34	2,500	23,350	2,500
Jan 07 2005	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Option Exercise	A	9.34	2,500	23,350	2,500
Jan 07 2005	NGS	NATURAL GAS SERVIC ...	YADON RICHARD L	Director	Option Exercise	A	9.34	2,500	23,350	2,500
Jan 07 2005	NGS	NATURAL GAS SERVIC ...	CURTIS CHARLES G	Director	Option Exercise	A	9.34	2,500	23,350	2,500
Dec 10 2004	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Gift	G	0.00	196,091	0	196,091	0 to 196.1 K
Dec 10 2004	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Gift	G	0.00	196,091	0	0	196.1 K to 0 (-100.00 %)
Dec 10 2004	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Gift	G	0.00	196,091	0	196,091	0 to 196.1 K
Dec 10 2004	NGS	NATURAL GAS SERVIC ...	SELLERS WALLACE O	Director	Gift	G	0.00	196,091	0	0	196.1 K to 0 (-100.00 %)
Nov 19 2004	NGS	NATURAL GAS SERVIC ...	WAIT EARL R	CFO & Treasurer	Buy	P	9.00	70	630	60,520	60.5 K to 60.5 K (+0.12 %)
Nov 19 2004	NGS	NATURAL GAS SERVIC ...	WAIT EARL R	CFO & Treasurer	Buy	P	8.84	450	3,978	60,450	60 K to 60.5 K (+0.75 %)
Sep 01 2004	NGS	NATURAL GAS SERVIC ...	LARKIN WILLIAM R	Vice President	Option Exercise	A	7.50	12,000	90,000	12,000
Aug 30 2004	NGS	NATURAL GAS SERVIC ...	SPARKMAN SCOTT W	Secretary	Option Exercise	A	7.50	3,000	22,500	3,000
May 03 2004	NGS	NATURAL GAS SERVIC ...	CURTIS CHARLES G	Director	Option Exercise	C	0.00	18,000	0	0
May 03 2004	NGS	NATURAL GAS SERVIC ...	CURTIS CHARLES G	Director	Buy	C	0.00	18,000	0	33,000	15 K to 33 K (+120.00 %)
Mar 29 2004	NGS	NATURAL GAS SERVIC ...	HUGHES WILLIAM F JR	Director	Option Exercise	C	0.00	12,000	0	0
Mar 29 2004	NGS	NATURAL GAS SERVIC ...	HUGHES WILLIAM F JR	Director	Buy	C	0.00	12,000	0	180,500	168.5 K to 180.5 K (+7.12 %)
Mar 18 2004	NGS	NATURAL GAS SERVIC ...	STRASHEIM GENE A	Director	Option Exercise	M	5.55	2,500	13,875	0
Mar 18 2004	NGS	NATURAL GAS SERVIC ...	STRASHEIM GENE A	Director	Buy	M	5.55	2,500	13,875	3,500	1,000 to 3.5 K (+250.00 %)
Mar 18 2004	NGS	NATURAL GAS SERVIC ...	STRASHEIM GENE A	Director	Buy	P	6.79	1,000	6,790	1,000	0 to 1,000

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