Live feed17:41:24·1905dINSIDERFilingvia QuantisnowSEC Form 4: Darren Robert Lee sold $286,242 worth of Common Stock (2,317 units at $123.54), decreasing direct ownership by 33% to 4,634 unitsByQuantisnow·Wall Street's wire, on your screen.PFPT· Proofpoint, Inc.TechnologyOriginal source