Live feed11:05:07·27dINSIDERFilingvia QuantisnowPresident and CEO O'Shaughnessy Timothy J disposed of 6,000 units of Class B Common Stock, decreasing direct ownership by 1% to 27,087 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.GHC· Graham Holdings CompanyReal EstateOriginal source