Live feed16:23:21·451dINSIDERFilingvia QuantisnowSr. MD & CAO Eisman Robert Bryan covered exercise/tax liability with 1,271 shares and converted options into 1,271 shares, increasing direct ownership by 2% to 68,887 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMBC· Ambac Financial Group Inc.FinanceOriginal source