Live feed18:19:37·460dINSIDERFilingvia QuantisnowSVP, CAO & Deputy CFO Marmurek Eric S converted options into 48,553 shares and covered exercise/tax liability with 20,253 shares, increasing direct ownership by 9% to 340,190 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.RBBN· Ribbon Communications Inc.TechnologyOriginal source