Live feed18:27:26·674dINSIDERFilingvia QuantisnowEVP, Chief Legal Officer Murugan Amar sold $7,677 worth of shares (1,158 units at $6.63), decreasing direct ownership by 4% to 26,827 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source