X0206 3 2017-06-13 0 0001300699 Athenex, Inc. ATNX 0001203602 CANNON MICHAEL D C/O ATHENEX, INC., 1001 MAIN STREET, SUITE 600 BUFFALO NY 14203 1 0 0 0 Common Stock 36528 I By Cannon Venture No. 2 LP Michael Cannon ("Mr. Cannon") is the general partner of Cannon Venture No. 2 LP and has sole voting and dispositive power over the shares held by it. Mr. Cannon disclaims beneficial ownership of the reported securities except to the extent, if any, of its or his pecuniary interest therein, and this report shall not be deemed an admission that Mr. Cannon is the beneficial owner of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. Exhibit List: Exhibit 24.1 - Power of Attorney /s/ Teresa Bair, attorney-in-fact 2017-06-13