Live feed14:04:19·1734dINSIDERFilingvia QuantisnowSEC Form 4: Feiber Jonathan D returned $2,273,216 worth of Common Stock to the company (12,916 units at $176.00), closing all direct ownership in the companyByQuantisnow·Wall Street's wire, on your screen.PFPT· Proofpoint, Inc.TechnologyOriginal source