X0306 4 2021-10-31 0 0001831283 LianBio LIAN 0001869480 Yu Debra C/O LIANBIO 103 CARNEGIE CENTER DRIVE, SUITE 215 PRINCETON NJ 08540 0 1 0 0 See Remarks Stock Option (Right to Buy) 16.00 2021-10-31 4 A 0 747227 0.00 A 2031-10-31 Ordinary Shares 747227 2747174 D 1/4 of the shares underlying the option will vest and become exercisable on October 31, 2022; the remainder shall vest and become exercisable in 36 equal monthly installments such that the option shall be fully vested on October 31, 2025, subject to the Reporting Person providing continuous service to the Issuer on each such date. President & Chief Strategy Officer By: /s/ Angela Chen, Attorney-in-Fact 2021-11-01