Live feed15:21:53·8mINSIDERFilingvia QuantisnowEVP & Chief R&D Officer Diperna Dino covered exercise/tax liability with 2,053 shares, decreasing direct ownership by 5% to 37,073 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.CIEN· Ciena CorporationUtilitiesOriginal source