NORTHWEST PIPE CO filings

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SEC filings by NORTHWEST PIPE CO (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2000-02-16BENSON ASSOCIATES LLCNORTHWEST PIPE CO386,8276.0%EDGAR
SC 13G/A2000-02-15HARRIS ASSOCIATES L PNORTHWEST PIPE CO-0.0%EDGAR
SC 13G/A2000-02-15HARRIS ASSOCIATES INVESTMENT TRUSTNORTHWEST PIPE CO-0.0%EDGAR
SC 13G2000-02-15FRONTIER CAPITAL MANAGEMENT CO INC /ADVNORTHWEST PIPE CO472,6307.3%EDGAR
SC 13G/A2000-02-15HARRIS ASSOCIATES L PNORTHWEST PIPE CO-0.0%EDGAR
SC 13G/A2000-02-15HARRIS ASSOCIATES INVESTMENT TRUSTNORTHWEST PIPE CO-0.0%EDGAR
SC 13G2000-02-15FRONTIER CAPITAL MANAGEMENT CO INC /ADVNORTHWEST PIPE CO472,6307.3%EDGAR
SC 13G/A2000-02-15HARRIS ASSOCIATES L PNORTHWEST PIPE CO-0.0%EDGAR
SC 13G/A2000-02-15HARRIS ASSOCIATES INVESTMENT TRUSTNORTHWEST PIPE CO-0.0%EDGAR
SC 13G2000-02-15FRONTIER CAPITAL MANAGEMENT CO INC /ADVNORTHWEST PIPE CO472,6307.3%EDGAR
SC 13G2000-02-14FLEET BOSTON CORPNORTHWEST PIPE CO540,3608.4%EDGAR
SC 13G2000-02-14FLEET BOSTON CORPNORTHWEST PIPE CO540,3608.4%EDGAR
SC 13G2000-02-14FLEET BOSTON CORPNORTHWEST PIPE CO540,3608.4%EDGAR
SC 13G2000-02-03DIMENSIONAL FUND ADVISORS INCNORTHWEST PIPE CO444,6006.9%EDGAR
SC 13G2000-02-03DIMENSIONAL FUND ADVISORS INCNORTHWEST PIPE CO444,6006.9%EDGAR
SC 13G2000-02-03DIMENSIONAL FUND ADVISORS INCNORTHWEST PIPE CO444,6006.9%EDGAR
SC 13G/A2000-01-31PRUDENTIAL INSURANCE CO OF AMERICANORTHWEST PIPE CO--EDGAR
SC 13G/A2000-01-31PRUDENTIAL INSURANCE CO OF AMERICANORTHWEST PIPE CO--EDGAR
SC 13G/A2000-01-31PRUDENTIAL INSURANCE CO OF AMERICANORTHWEST PIPE CO--EDGAR
SC 13G2000-01-28BECKER CAPITAL MANAGEMENT INCNORTHWEST PIPE CO459,4177.1%EDGAR
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