Zai Lab Ltd — Director's Dealing 2025

Dec 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Zai Lab Ltd (ZLAB)
CIK: 0001704292
Period of Report: 2025-12-10

Reporting Person: Du Ying (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-10	American Depositary Shares	G	303378	—	Disposed	586641	Direct
2025-12-11	American Depositary Shares	G	377520	—	Acquired	964161	Direct

Footnotes

F1: Each American Depositary Share ("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.

F2: This transaction represents a bona fide gift to a grantor retained annuity trust for which there is an independent trustee.

F3: This transaction represents an annuity payment automatically made, for no consideration, from a grantor retained annuity trust for which there is an independent trustee.