Northwest Pipe Company (NWPX) SEC Filings - Page 1

SEC Filings for Northwest Pipe Company (NWPX) 
$ 24.16   -0.39 (-1.59%) Volume: 17.85 k 4:00 PM EST Feb 10, 2012
Filing Type:
Form TypeForm DescriptionPagesDateView
SC 13G/AAmendment to the SC 13G filing102/10/2012
   
SC 13G/AAmendment to the SC 13G filing602/08/2012
   
SC 13G/AAmendment to the SC 13G filing101/25/2012
   
SC 13G/AAmendment to the SC 13G filing101/19/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
4Statement of changes in beneficial ownership of securities101/04/2012
   
8-KReport of unscheduled material events or corporate changes.412/22/2011
   
8-KReport of unscheduled material events or corporate changes.511/16/2011
   
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