X0306 4/A 2017-06-19 2017-06-21 0001300699 Athenex, Inc. ATNX 0001290865 Zhang Song-Yi C/O ATHENEX, INC., 1001 MAIN STREET, SUITE 600 BUFFALO NY 14203 true true 0001709068 Mandra Medical Ltd NEWHAVEN TRUSTEES (BVI) LTD., 3RD FLOOR J&C BUILDING, P.O. BOX 933, ROAD TOWN TORTOLA D8 VG1110 VIRGIN ISLANDS, BRITISH true 0001709077 Beansprouts Ltd NEWHAVEN TRUSTEES (BVI) LTD., 3RD FLOOR J&C BUILDING, P.O. BOX 933, ROAD TOWN TORTOLA D8 VG1110 VIRGIN ISLANDS, BRITISH true 0001709117 Mui Bing How Tammy C/O ATHENEX, INC. 1001 MAIN STREET SUITE 600 BUFFALO NY 14203 true Common Stock 2017-06-19 4 P 0 146819 11 A 6802700 I By Mandra Medical Limited The amount of shares of Common Stock ("Shares") beneficially owned were inadvertently disclosed as "6,804,700" in the Reporting Person's Form 4 filed June 21, 2017 ("Initial Form 4"). This amended Form 4 accurately discloses the amount of Shares beneficially owned by the Reporting Persons. None of the other information disclosed in the Initial Form 4, including its corresponding footnotes are being amended. Exhibit List: The Power of Attorneys filed as Exhibits 24.1, 24.2, and 24.3 to the Form 3 filed by the Reporting Person on June 13, 2017 are incorporated herein by reference. Song-Yi Zhang, By: /s/ Teresa Bair, attorney-in-fact 2017-07-28 Mui Bing How Tammy, By: /s/ Teresa Bair, attorney-in-fact 2017-07-28 Mandra Medical Limited, By: /s/ Song-Yi Zhang, Director, By: /s/ Teresa Bair, attorney-in-fact 2017-07-28 Beansprouts Limited, By: /s/ Song-Yi Zhang, Director, By: /s/ Teresa Bair, attorney-in-fact 2017-07-28