Live feed15:10:34·1702dINSIDERFilingvia QuantisnowSEC Form 4: Rockvam David E exercised 100,000 shares at a strike of $3.94 and returned $4,385,558 worth of shares to the company (515,948 units at $8.50), closing all direct ownership in the companyByQuantisnow·Wall Street's wire, on your screen.ZIXI· Zix CorporationTechnologyOriginal source