Live feed19:45:25·3dINSIDERFilingvia QuantisnowPresident and CEO Nguyen Anhco sold $40,883 worth of shares (5,062 units at $8.08), decreasing direct ownership by 4% to 132,775 units (SEC Form 4) (withholding obligation)ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health CareOriginal source