Yajing Chen - 01 Nov 2023 Form 4 Insider Report for Zai Lab Ltd (ZLAB)

Role: Chief Financial Officer
Signature: /s/ Bruce Blefeld, Attorney-in-Fact
Issuer symbol: ZLAB
Transactions as of: 01 Nov 2023
Net transactions value: -$4,163
Form type: 4
Filing time: 03 Nov 2023, 16:44:22 UTC
Previous filing: 03 Oct 2023
Next filing: 03 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		+500	+7.5%		7,147	01 Nov 2023	Direct	F1, F2, F3
transaction	ZLAB	American Depositary Shares	Sale	$4,163	-165	-2.3%	$25.23	6,982	02 Nov 2023	Direct	F1, F4

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	-500	-33%	$0.000000	1,000	01 Nov 2023	American Depositary Shares	500		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. 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. 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	These ADSs were sold automatically to cover taxes upon vesting of Restricted Share Units.
F5	The Restricted Share Units vest in equal annual installments over four years beginning on 11/01/2022, the first anniversary of the date of grant. Vested shares will be delivered to the reporting person following vesting.