Du Ying sold ZLAB

May 18, 2026 · Form 4 insider transaction

Du Ying sold 50,000 shares of Zai Lab Limited at $19.00 per share, a transaction worth $949.8K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
50,000
Price
$19.00
Total value
$949.8K
InsiderDu Ying
RoleOfficer, Director
SecurityAmerican Depositary Shares
Transaction codeS: Open-market sale
Transaction dateMay 18, 2026
Filing dateMay 19, 2026
Shares owned after1,122,626
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

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.; The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 11, 2025.; Reflects a weighted average sale price of $18.9953 per share, at prices ranging from $18.78 to $19.38 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.

View the original Form 4 on SEC EDGAR