Certain Common Stock of CareDx, Inc are subject to a Lock-Up Agreement Ending on 2-JAN-2018. These Common Stock will be under lockup for 90 days starting from 4-OCT-2017 to 2-JAN-2018. Details: The directors and officers have agreed not to offer, sell, agree to sell, directly or indirectly, or otherwise dispose of any shares of common stock or any securities convertible into or exchangeable for shares of common stock without the prior written consent of the Craig-Hallum Capital Group LLC for a period of 90 days after the date of this prospectus.