X0206 3 2017-06-14 0 0001300699 Athenex, Inc. ATNX 0001711474 Ma Huateng 29/F THREE PACIFIC PLACE 1 QUEEN'S ROAD EAST, WANCHAI HONG KONG F4 CHINA 0 0 1 0 0001711698 Advance Data Services Ltd 29/F THREE PACIFIC PLACE 1 QUEEN'S ROAD EAST, WANCHAI HONG KONG F4 CHINA 0 0 1 0 Common Stock 6444032 I By Advance Data Services Limited Stock Option (Right to Buy) 7.50 2025-05-18 Common Stock 80000 D Advance Data Services Limited is solely owned by Huateng Ma. The option vested in two equal annual installments beginning on May 18, 2015. Huateng Ma, /s/ Huateng Ma 2017-07-13 Advance Data Services Limited, By: /s/ Huangteng Ma, Name: Huateng Ma, Title: Director 2017-07-13