Live feed16:50:08·246dINSIDERFilingvia QuantisnowSr. MD & General Counsel Ksenak Stephen Michael converted options into 129,146 shares and covered exercise/tax liability with 43,522 shares, increasing direct ownership by 72% to 205,256 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMBC· Ambac Financial Group Inc.FinanceOriginal source