Live feed17:17:42·455dINSIDERFilingvia QuantisnowEVP, CFO and COO Hyllengren Eric J sold $8,473 worth of shares (1,211 units at $7.00), decreasing direct ownership by 2% to 56,231 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source