Live feed16:05:09·1930dINSIDERFilingvia QuantisnowSEC Form 4: David Knight sold $341,186 worth of Common Stock (2,500 units at $136.47), decreasing ownership by 12% to 18,020 unitsByQuantisnow·Wall Street's wire, on your screen.PFPT· Proofpoint, Inc.TechnologyOriginal source
