Zai Lab Ltd — Director's Dealing 2021

Jun 3, 2021

SEC Form 4/A — Form 4/A

Issuer: Zai Lab Ltd (ZLAB)
CIK: 0001704292
Period of Report: 2021-04-05

Reporting Person: Du Ying (Director, Chairwoman & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-05	Ordinary Shares	M	111112	$0.60	Acquired	1119765	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-05	Stock Options (Right to Buy)	$0.60	M	111112	Disposed	2025-10-22	Ordinary Shares (111112)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	1008653	Direct

Footnotes

F1: On April 7, 2021, the Reporting Person filed a Form 4 which inadvertently did not report that she exercised 111,112 Stock Options in connection with the sales of Ordinary Shares reported in such filing. However, as reported in this amendment, the Reporting Person exercised 111,112 Stock Options for Ordinary Shares, granted to her in connection with a stock option plan that fully vested on October 22, 2020. Accordingly, Table I, Column 5 is amended to reflect such acquisition of Ordinary Shares, pursuant to such exercise of Stock Options, giving effect to the various sale transactions previously reported on the initial filing of this Form 4.

F2: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated March 3, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1931.

F3: The Stock Options fully vested as of October 22, 2020.