Live feed17:15:36·513dINSIDERFilingvia QuantisnowGlobal Head of Investments Hogbin Christopher covered exercise/tax liability with 9,424 units of AB Holding Units, increasing direct ownership by 60% to 16,026 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AB· AllianceBernstein Holding L.P.FinanceOriginal source