$NWPX SEC Filings

Filing Filed On
SC 13G/A 05 Feb 2003
FRONTIER CAPITAL RE: NORTHWEST PIPE CO 05 Feb 2003
SC 13G/A 04 Feb 2003
SCHEDULE 13G/A 29 Jan 2003
SC 13G/A 14 Feb 2002
FLEETBOSTON FINANCIAL CORPORATION 14 Feb 2002
SC 13G/A 12 Feb 2002
2001 SCHEDULE 13G/A - NORTHWEST PIPE CO 12 Feb 2002
FRONTIER CAPITAL MANAGEMENT CO LLC 08 Feb 2002
SC 13G/A 07 Feb 2002
SCHEDULE 13G 16 Jan 2002
NORTHWEST PIPE CO. 14 Feb 2001
SC 13G/A 13 Feb 2001
SC 13G/A 30 Jan 2001
SC 13G/A 15 Feb 2000
SC 13G/A 15 Feb 2000
SC 13G/A 31 Jan 2000
SC 13G/A 11 Feb 1999
SC 13G/A 11 Feb 1999
SC 13G/A 08 Feb 1999