William Ki Chul Cho - Apr 3, 2023 Form 4 Insider Report for Zai Lab Ltd (ZLAB)

Role: Chief Financial Officer
Signature: /s/ Bruce Blefeld, Attorney-in-Fact
Stock symbol: ZLAB
Transactions as of: Apr 3, 2023
Transactions value $: $0
Form type: 4
Date filed: 4/5/2023, 04:05 PM
Previous filing: Jun 27, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ZLAB	American Depositary Shares	Options Exercise	$0	+920	+1.81%	$0.00	51.8K	Apr 3, 2023	Direct	F1, F2
transaction	ZLAB	American Depositary Shares	Options Exercise	$0	+1.91K	+3.68%	$0.00	53.7K	Apr 3, 2023	Direct	F1, F2

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	-920	-25%	$0.00	2.76K	Apr 3, 2023	American Depositary Shares	920		Direct	F1, F3, F4
transaction	ZLAB	Restricted Share Units	Options Exercise	$0	-1.91K	-19.99%	$0.00	7.63K	Apr 3, 2023	American Depositary Shares	1.91K		Direct	F1, F3, F5

* 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.
F2	ADSs acquired on vesting of Restricted Share Units. Each ADS represents ten Ordinary Shares of the issuer.
F3	Each Restricted Share Unit represents a contingent right to receive one ADS, which represents ten Ordinary Shares of the issuer.
F4	The Restricted Share Units 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.
F5	The Restricted Share Units 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.