Live feed18:18:12·840dINSIDERFilingvia QuantisnowMurugan Amar sold $7,232 worth of shares (10,044 units at $0.72), decreasing direct ownership by 1% to 727,521 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source