Live feed16:14:00·53dINSIDERFilingvia QuantisnowChairperson & CEO Du Ying converted options into 29,048 units of American Depositary Shares and covered exercise/tax liability with 11,431 units of American Depositary Shares, increasing direct ownership by 1% to 1,221,401 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ZLAB· Zai Lab LimitedHealth CareOriginal source