Du Ying - 01 Apr 2024 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: 01 Apr 2024
Net transactions value: +$143,958
Form type: 4
Filing time: 03 Apr 2024, 21:44:27 UTC
Previous filing: 15 Mar 2024
Next filing: 05 Apr 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ZLAB	American Depositary Shares	Options Exercise	$180,576	+10,800	+0.98%	$16.72	1,110,359	01 Apr 2024	Direct	F1, F2
transaction	ZLAB	American Depositary Shares	Options Exercise	$56,848	+3,400	+0.31%	$16.72	1,113,759	01 Apr 2024	Direct	F1, F2
transaction	ZLAB	American Depositary Shares	Sale	$71,064	-4,400	-0.4%	$16.15	1,109,359	02 Apr 2024	Direct	F1, F3
transaction	ZLAB	American Depositary Shares	Sale	$22,401	-1,387	-0.13%	$16.15	1,107,972	02 Apr 2024	Direct	F1, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ZLAB	Restricted Share Units	Options Exercise	$0	-10,800	-25%	$0.000000	32,400	01 Apr 2024	American Depositary Shares	10,800		Direct	F1, F4, F5
transaction	ZLAB	Restricted Share Units	Options Exercise	$0	-3,400	-33%	$0.000000	6,800	01 Apr 2024	American Depositary Shares	3,400		Direct	F1, F4, F6

* 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	ADSs acquired on vesting of Restricted Share Units.
F3	These ADSs were sold automatically to cover taxes upon vesting of Restricted Share Units.
F4	Each Restricted Share Unit ("RSU") represents a contingent right to receive one ADS, which represents ten Ordinary Shares of the issuer.
F5	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.
F6	The RSUs vest in equal annual installments over five years beginning on 04/01/2022, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.