Yajing Chen - 01 Apr 2024 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 Apr 2024
Net transactions value: +$16,698
Form type: 4
Filing time: 03 Apr 2024, 21:44:08 UTC
Previous filing: 03 Nov 2023
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	$25,080	+1,500	+21%	$16.72	8,482	01 Apr 2024	Direct	F1, F2
transaction	ZLAB	American Depositary Shares	Sale	$8,382	-519	-6.1%	$16.15	7,963	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	Stock Options (Right to Buy)	Award	$0	+84,663		$0.000000	84,663	01 Apr 2024	American Depositary Shares	84,663	$16.72	Direct	F1, F4, F5
transaction	ZLAB	Restricted Share Units	Award	$0	+55,031		$0.000000	55,031	01 Apr 2024	American Depositary Shares	55,031		Direct	F1, F6, F7
transaction	ZLAB	Restricted Share Units	Options Exercise	$0	-1,500	-25%	$0.000000	4,500	01 Apr 2024	American Depositary Shares	1,500		Direct	F1, F6, F8

* 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 Stock Option is exercisable for one ADS, which represents ten Ordinary Shares of the issuer.
F5	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.
F6	Each Restricted Share Unit ("RSU") represents a contingent right to receive one ADS, which represents ten Ordinary Shares of the issuer.
F7	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.
F8	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.