Live feed18:04:59·579dINSIDERFilingvia QuantisnowEVP, CFO and COO Hyllengren Eric J sold $15,274 worth of shares (1,364 units at $11.20), decreasing direct ownership by 6% to 23,392 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source