Live feed17:05:32·148dINSIDERFilingvia QuantisnowChief Accounting Officer Simeone Thomas covered exercise/tax liability with 2,660 units of AB Holding Units, increasing direct ownership by 8% to 26,566 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AB· AllianceBernstein Holding L.P.FinanceOriginal source