CHICAGO RIVET & MACH CO filings

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SEC filings by CHICAGO RIVET & MACH CO (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2015-02-05DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO79,4248.2%EDGAR
SC 13G/A2014-02-13PIPER JAFFRAY COMPANIESCHICAGO RIVET & MACHINE CO65,7006.8%EDGAR
SC 13G/A2014-02-10DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO78,0378.1%EDGAR
SC 13G/A2013-02-14PIPER JAFFRAY COMPANIESCHICAGO RIVET & MACHINE CO65,7006.8%EDGAR
SC 13G/A2013-02-11DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO77,3538.0%EDGAR
SC 13G/A2012-02-14DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO77,7358.0%EDGAR
SC 13G2012-02-14PIPER JAFFRAY COMPANIESCHICAGO RIVET & MACHINE CO65,7006.8%EDGAR
SC 13G/A2011-02-11DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO77,3138.0%EDGAR
SC 13G2011-02-10PIPER JAFFRAY COMPANIESCHICAGO RIVET & MACHINE CO65,7006.8%EDGAR
SC 13G2010-02-12ADVISORY RESEARCH INCCHICAGO RIVET & MACHINE CO65,7006.8%EDGAR
SC 13G/A2010-02-08DIMENSIONAL FUND ADVISORS LPCHICAGO RIVET & MACHINE CO79,5438.2%EDGAR
SC 13G2009-02-13ADVISORY RESEARCH INCCHICAGO RIVET & MACHINE CO65,7006.8%EDGAR
SC 13G/A2009-02-09DIMENSIONAL FUND ADVISORS INCCHICAGO RIVET & MACHINE CO69,5417.2%EDGAR
SC 13G2008-02-13ADVISORY RESEARCH INCCHICAGO RIVET & MACHINE CO69,3007.2%EDGAR
SC 13G/A2008-02-06DIMENSIONAL FUND ADVISORS INCCHICAGO RIVET & MACHINE CO54,9255.7%EDGAR
SC 13D/A2007-10-30MADSEN POUL ERIKCHICAGO RIVET & MACHINE CO89,8589.3%EDGAR
SC 13D2007-10-26MADSEN POUL ERIKCHICAGO RIVET & MACHINE CO89,8589.3%EDGAR
SC 13G2007-02-21ADVISORY RESEARCH INCCHICAGO RIVET & MACHINE CO69,3007.2%EDGAR
SC 13G/A2007-02-09DIMENSIONAL FUND ADVISORS INCCHICAGO RIVET & MACHINE CO55,8005.8%EDGAR
SC 13G/A2007-02-02DIMENSIONAL FUND ADVISORS INCCHICAGO RIVET & MACHINE CO55,8005.8%EDGAR
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