Live feed20:33:56·744dINSIDERFilingvia QuantisnowMurugan Amar sold $19,991 worth of shares (32,401 units at $0.62), decreasing direct ownership by 4% to 695,120 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source