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Home > Insider Trading > Filing (0001209191-13-055929)

Filing Details

Accession Number:: 0001209191-13-055929
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-12-09 16:45:44
Reporting Period:: 2013-12-05

Filing Date:: 2013-12-09
Accepted Time:: 2013-12-09 16:45:44
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1084991	Natural Gas Services Group Inc	NGS	Oil & Gas Field Services, Nec (1389)	752811855

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1340731	R James Hazlett	508 West Wall Street, Suite 550 Midland TX 79701	Vice President-Technical Svcs.	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2013-12-05	89	$28.63	49,921	No	4	S	Direct
Common Stock	Disposition	2013-12-05	100	$28.56	49,821	No	4	S	Direct
Common Stock	Disposition	2013-12-05	200	$28.60	49,621	No	4	S	Direct
Common Stock	Disposition	2013-12-05	300	$28.61	49,321	No	4	S	Direct
Common Stock	Disposition	2013-12-05	147	$28.75	49,174	No	4	S	Direct
Common Stock	Disposition	2013-12-06	4,164	$28.50	45,010	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Holdings

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Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Employee Stock Option (right to buy)	$17.51	2009-09-10	2018-09-10	5,000	5,000	Direct
Common Stock	Employee Stock Option (right to buy)	$17.74	2010-12-09	2019-12-08	10,000	10,000	Direct
Common Stock	Employee Stock Option (right to buy)	$17.81	2012-01-25	2021-01-24	10,000	10,000	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2018-09-10	5,000	5,000	Direct
2019-12-08	10,000	10,000	Direct
2021-01-24	10,000	10,000	Direct

Footnotes

Granted pursuant to the Company's 1998 Stock Option Plan. The option vests and becomes exercisable in three equal annual installments beginning on the first anniversary of the grant date. Vesting accelerates under certain circumstances.