UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 CAREDX, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-36536 94-3316839 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 8000 Marina Boulevard, 4th Floor Brisbane, California 94005 (Address of Principal Executive Offices) (Zip Code) Date of Report (Date of earli ...