Live feed18:59:06·1316dINSIDERFilingvia QuantisnowSEC Form 4: Titterton Jeffrey J converted options into 1,367 shares and covered exercise/tax liability with 680 shares, increasing direct ownership by 33% to 2,747 units to cover taxesByQuantisnow·Wall Street's wire, on your screen.ZEN· Zendesk Inc.TechnologyOriginal source