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Basic Materials > Steel Iron > Northwest Pipe Co. (NWPX):

Monthly insider trade sell & buy 5 month 1 year 2 years 5 years
Monthly insider trades : NWPX
Mar08Apr08May08Jul08Aug08Sep08Dec08Aug11Nov12May13
Buy Volume 0000000150000
Sale Volume 390564000230712700092142117020149430000

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Short interest : Northwest Pipe Co., more insider from : Ownership & insider Summary : More researchs with these providers for symbol NWPX