Live feed16:42:13·456dINSIDERFilingvia QuantisnowExec VP, CFO & Treasurer Trick David converted options into 267 shares and covered exercise/tax liability with 267 shares, increasing direct ownership by 0.17% to 156,349 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMBC· Ambac Financial Group Inc.FinanceOriginal source