Live feed16:32:40·447dINSIDERFilingvia QuantisnowSr. MD & CAO Eisman Robert Bryan converted options into 1,908 shares and covered exercise/tax liability with 687 shares, increasing direct ownership by 2% to 70,108 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMBC· Ambac Financial Group Inc.FinanceOriginal source