Form 4 Filing for BeOne Medicines Ltd.

This filing details a transaction by Corazon D. Sanders, a director at BeOne Medicines Ltd. (ONC). On May 22, 2026, 212 American Depositary Shares (ADS) were disposed of at a price of $309.5896 per share. This disposal was part of a mandatory tax withholding due to the vesting of a restricted share unit award. Following this transaction, Sanders D. Corazon directly owns 54,470 Ordinary Shares. Each ADS represents 13 Ordinary Shares. The restricted share units vest on the first anniversary of the grant date or the next annual general meeting, with provisions for accelerated vesting under certain conditions like a change in control.