Live feed16:58:37·512dINSIDERFilingvia QuantisnowChief Operating Officer Sprules Karl covered exercise/tax liability with 44,040 units of AB Holding Units, increasing direct ownership by 31% to 123,246 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AB· AllianceBernstein Holding L.P.FinanceOriginal source