Zai Lab Ltd — Director's Dealing 2025

Jul 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Zai Lab Ltd (ZLAB)
CIK: 0001704292
Period of Report: 2025-07-02

Reporting Person: Du Ying (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-07-02	Restricted Share Units	$	A	44194	Acquired		American Depositary Shares (44194)	Direct

Footnotes

F1: Each Restricted Share Unit ("RSU") represents a contingent right to receive one American Depositary Share ("ADS").

F2: The RSUs vest in equal annual installments over four years beginning on 07/02/2026, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.

F3: Each ADS represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.