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Basic Materials > Oil Gas Equipment Services > Natural Gas Services Group Inc. (NGS):

Monthly insider trade sell & buy 5 month 1 year 2 years 5 years

Monthly insider trades : NGS

	Dec12	Mar13	May13	Sep13	Dec13
Buy Volume	0	0	0	0	0
Sale Volume	20000	10000	40000	20000	5000

Short interest :

1. Daily short sale volume for Natural Gas Services Group Inc. (NGS)
2. Bi-monthly short interest from NASDAQ

Natural Gas Services Group Inc., more insider from :

1. Insider Transactions for Natural Gas Services Group Inc. (Natural Gas Services Group Inc.) by Yahoo
2. NASDAQ insider trades for Natural Gas Services Group Inc. (Natural Gas Services Group Inc.)

Ownership & insider Summary :

1. Major Holders of Natural Gas Services Group Inc. listed by Yahoo
2. Natural Gas Services Group Inc. (NGS)owership summary,institutional holdings

More researchs with these providers for symbol NGS

1. More from Yahoo finance
   
2. Open @ Reuters
   
3. Open with Google Finance
   
4. Open with Market Watch
   
5. Open with Sina finance (in chinese)