Live feed17:22:55·248dINSIDERFilingvia QuantisnowSVP, Deputy CFO and CAO Marmurek Eric S converted options into 75,000 shares and covered exercise/tax liability with 29,512 shares, increasing direct ownership by 12% to 427,063 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.RBBN· Ribbon Communications Inc.TechnologyOriginal source