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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1704292	Zai Lab Ltd	ZLAB	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1731790	Ying Du	C/O Zai Lab Limited 314 Main Street, 4Th Floor, Suite 100 Cambridge MA 02142	Chairperson & Ceo	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
American Depositary Shares	Acquisiton	2024-06-28	17,970	$0.00	1,088,923	No	4	M	Direct
American Depositary Shares	Disposition	2024-07-01	7,013	$17.48	1,081,910	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
American Depositary Shares	Restricted Share Units	Disposition	2024-06-28	17,970	$0.00	17,970	$0.00
American Depositary Shares	Restricted Share Units	Acquisiton	2024-07-01	72,000	$0.00	72,000	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
53,910			No	4	M	Direct
72,000			No	4	A	Direct

Footnotes

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.
ADSs acquired upon vesting of Restricted Share Units ("RSUs").
Each RSU represents a contingent right to receive one ADS.
This number reflects a net reduction of 71,880 ADSs, which represents RSUs that previously reported as aggregated with ADSs in Table I and are now separately reported in Table II.
These ADSs were sold automatically to cover taxes upon vesting of RSUs.
The RSUs vest in equal annual installments over four years beginning on 06/29/2024, 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.
The RSUs vest in equal annual installments over four years beginning on 07/01/2025, 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.