Live feed16:52:08·1946dINSIDERFilingvia QuantisnowSEC Form 4: Gary Steele exercised 21,900 units of Common Stock at a strike of $0.00 and disposed of $1,273,806 worth of Common Stock (9,752 units at $130.62), increasing ownership by 21% to 69,368 unitsByQuantisnow·Wall Street's wire, on your screen.PFPT· Proofpoint, Inc.TechnologyOriginal source