Live feed17:17:33·148dINSIDERFilingvia QuantisnowHead, Gl. Cl. Grp. & Pr. Wlth. Erzan Onur covered exercise/tax liability with 63,943 units of AB Holding Units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AB· AllianceBernstein Holding L.P.FinanceOriginal source