X0206 3 2017-06-13 0 0001300699 Athenex, Inc. ATNX 0001189013 YORDON JEFFREY C/O ATHENEX, INC., 1001 MAIN STREET, SUITE 600 BUFFALO NY 14203 0 1 0 0 See Remarks Common Stock 183709 D Stock Option (Right to Buy) 9.00 2026-06-19 Common Stock 150000 D This option vests in two equal annual installments beginning on June 19, 2017. Chief Operating Officer and President, Athenex Pharmaceutical Division Exhibit List: Exhibit 24.1 - Power of Attorney /s/ Teresa Bair, attorney-in-fact 2017-06-13