Live feed16:05:12·1hINSIDERFilingvia QuantisnowPresident and CEO Hanna John Walter Jr covered exercise/tax liability with 8,511 shares, decreasing direct ownership by 1% to 653,448 units (SEC Form 4) to cover withholding taxByQuantisnow·Wall Street's wire, on your screen.CDNA· CareDx Inc.Health CareOriginal source