DU YING

PrivateCIK: 1731790

DU YING (Chairwoman & CEO) exercised options at ZAI LAB LTD

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderDU YINGCIK 1731790
IssuerZAI LAB LTDCIK 1704292
DirectorOfficer· Chairwoman & CEO
Since Jan 2021
-251.32K
Net shares
Net seller
$8.19M
Total sold
0
Open market trades
0B · 0S
3
Total transactions
604.38K acquired · 855.70K disposed
Non-Derivative Transactions2

American Depositary Shares

Direct
M · Option Exercise

Shares

+604.38K

Price / share

$1.20

Trade value

$725.25K

% of position

112.6%
8/29/2025
536.96K1.14M

American Depositary Shares

Direct
F · Tax Withholding

Shares

251.32K

Price / share

$32.59

Trade value

$8.19M

% of position

22.0%
8/29/2025
1.14M890.02K
Total

Net shares

+353.06K

Net value

-$7.47M

Derivative Transactions1

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

American Depositary Shares

604.38K shares

Shares

604.38K

Strike price

1.2

Held after

0.00

Exercisable

8/29/2025
DU YING — Insider Transaction (Form 4) Filed Sep 3, 2025 | Finecho