Live feed20:30:21·1885dINSIDERFilingvia QuantisnowSEC Form 4: P. Blake Salle exercised 5,000 units of Common Stock at a strike of $0.00 and disposed of $234,108 worth of Common Stock (1,821 units at $128.56), increasing direct ownership by 18% to 21,130 unitsByQuantisnow·Wall Street's wire, on your screen.PFPT· Proofpoint, Inc.TechnologyOriginal source