Zai Lab Ltd — Director's Dealing 2021

Sep 10, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Zai Lab Ltd (ZLAB)
CIK: 0001704292
Period of Report: 2021-09-09

Reporting Person: Reinhart Harald (Chief Medical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-09	Ordinary Shares	M	10000	$3	Acquired	10000	Direct
2021-09-09	Ordinary Shares	S	2731	$137.39	Disposed	7269	Direct
2021-09-09	Ordinary Shares	S	900	$138.33	Disposed	6369	Direct
2021-09-09	Ordinary Shares	S	569	$139.27	Disposed	5800	Direct
2021-09-09	Ordinary Shares	S	800	$140.87	Disposed	5000	Direct
2021-09-09	Ordinary Shares	S	700	$141.92	Disposed	4300	Direct
2021-09-09	Ordinary Shares	S	1600	$143.34	Disposed	2700	Direct
2021-09-09	Ordinary Shares	S	800	$144.35	Disposed	1900	Direct
2021-09-09	Ordinary Shares	S	1400	$146.07	Disposed	500	Direct
2021-09-09	Ordinary Shares	S	500	$146.61	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-09	Stock Options (Right to Buy)	$3	M	10000	Disposed	2027-05-12	Ordinary Shares (10000)	Direct

Footnotes

F1: The reported transaction was effected pursuant to a sales plan adopted by the Reporting Person, dated June 2, 2021, expires December 31, 2021 and is intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

F2: Reflects a weighted average sale price of $137.39 per share, at prices ranging from $136.81 to $137.74 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3: Reflects a weighted average sale price of $138.33 per share, at prices ranging from $137.89 to $138.67 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F4: Reflects a weighted average sale price of $139.27 per share, at prices ranging from $139.05 to $139.36 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F5: Reflects a weighted average sale price of $140.87 per share, at prices ranging from $140.47 to $141.26 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6: Reflects a weighted average sale price of $141.92 per share, at prices ranging from $141.47 to $142.30 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F7: Reflects a weighted average sale price of $143.34 per share, at prices ranging from $142.81 to $143.72 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F8: Reflects a weighted average sale price of $144.35 per share, at prices ranging from $144.09 to $144.99 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F9: Reflects a weighted average sale price of $146.07 per share, at prices ranging from $145.49 to $146.46 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F10: Reflects a weighted average sale price of $146.61 per share, at prices ranging from $146.50 to $146.76 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F11: The options vest in equal annual installments over four years beginning on 5/12/2018, the first anniversary of the date of grant.