EX-4.3 2 d46351dex43.htm EX-4.3

Exhibit 4.3

ZAI LAB LIMITED

Number |  | Ordinary Shares
[ ] |  | - [ ] -

Incorporated under the laws of the Cayman Islands

Share capital is US$30,000 divided into 500,000,000 Shares of US$0.00006 par value each

THIS IS TO CERTIFY THAT [ ] is the registered holder of [ ] Ordinary Shares in the above-named Company subject to the Fifth Amended and Restated Memorandum and Articles of Association thereof.

EXECUTED on behalf of the said Company on the [ ] day of [ ] 2021 by:

DIRECTOR