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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
1985694	Yajing Chen	C/O Zai Lab Limited 314 Main Street, 4Th Floor, Suite 100 Cambridge MA 02142	Chief Financial Officer	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	2024-04-01	1,500	$16.72	8,482	No	4	M	Direct
American Depositary Shares	Disposition	2024-04-02	519	$16.15	7,963	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	Stock Options (Right to Buy)	Acquisiton	2024-04-01	84,663	$0.00	84,663	$16.72
American Depositary Shares	Restricted Share Units	Acquisiton	2024-04-01	55,031	$0.00	55,031	$0.00
American Depositary Shares	Restricted Share Units	Disposition	2024-04-01	1,500	$0.00	1,500	$0.00

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
84,663	2034-04-01	No	4	A	Direct
55,031		No	4	A	Direct
4,500		No	4	M	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 on vesting of Restricted Share Units.
These ADSs were sold automatically to cover taxes upon vesting of Restricted Share Units.
Each Stock Option is exercisable for one ADS, which represents ten Ordinary Shares of the issuer.
The option vests in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service.
Each Restricted Share Unit ("RSU") represents a contingent right to receive one ADS, which represents ten Ordinary Shares of the issuer.
The RSUs vest in equal annual installments over four years beginning on 04/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered to the reporting person following vesting.
The RSUs vest in equal annual installments over five years beginning on 04/01/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.