Frazor Titus Edmondson III - 17 Aug 2022 Form 4 Insider Report for Zai Lab Ltd (ZLAB)

Role: Chief Legal Officer
Signature: /s/ Bruce A. Blefeld, Attorney-in-Fact
Issuer symbol: ZLAB
Transactions as of: 17 Aug 2022
Net transactions value: +$159,675
Form type: 4
Filing time: 19 Aug 2022, 17:44:15 UTC
Previous filing: 27 Jun 2022
Next filing: 07 Mar 2023
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	$211,072	+4,850	+113%	$43.52	9,146	17 Aug 2022	Direct	F1
transaction	ZLAB	American Depositary Shares	Tax liability	$51,397	-1,181	-13%	$43.52	7,965	17 Aug 2022	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	-4,850	-25%	$0.000000	14,550	17 Aug 2022	American Depositary Shares	4,850		Direct	F3, F4

* 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	This transaction represents the disposition of shares to cover taxes.
F3	Each Restricted Share Unit represents a contingent right to receive one American Depositary Share (ADS), which represents ten Ordinary Shares of the issuer.
F4	The Restricted Share Units vest in equal annual installments over five years beginning on 8/17/2021, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting. Restricted Share Units were previously reported on Table I. Restricted Share Units are now being reported on Table II.