Ying Du - 10 Dec 2025 Form 4 Insider Report for Zai Lab Ltd (ZLAB)

Role
Chairperson & CEO, Director
Signature
/s/ Bruce Blefeld, Attorney-in-Fact
Issuer symbol
ZLAB
Transactions as of
10 Dec 2025
Transactions value $
$0
Form type
4
Filing time
12 Dec 2025, 16:42:08 UTC
Previous filing
03 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Du Ying Chairperson & CEO, Director C/O ZAI LAB LIMITED, 314 MAIN STREET, 4TH FLOOR, SUITE 100, CAMBRIDGE /s/ Bruce Blefeld, Attorney-in-Fact 12 Dec 2025 0001731790

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ZLAB American Depositary Shares Gift $0 -303K -34.09% $0.00 587K 10 Dec 2025 Direct F1, F2
transaction ZLAB American Depositary Shares Gift $0 +378K +64.35% $0.00 964K 11 Dec 2025 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.