DU YING

PrivateCIK: 1731790

DU YING (Chairwoman & CEO) sold 9.4% of their position (100K shares) of ZAI LAB LTD on the open market

Open‑market sale worth $1.92M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderDU YINGCIK 1731790
IssuerZAI LAB LTDCIK 1704292
DirectorOfficer· Chairwoman & CEO
Since Jan 2021
-100K
Net shares
Net seller
$1.92M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
100K acquired · 200K disposed
Non-Derivative Transactions4

American Depositary Shares

Direct
M · Option Exercise

Shares

+50K

Price / share

$1.74

Trade value

$87K

% of position

5.2%
3/6/2026
964.16K1.01M

American Depositary Shares

Direct
S · Sale

Shares

50K

Price / share

$19.42

Trade value

$970.94K

% of position

4.9%
3/6/2026
1.01M964.16K

American Depositary Shares

Direct
M · Option Exercise

Shares

+50K

Price / share

$1.74

Trade value

$87K

% of position

5.2%
3/9/2026
964.16K1.01M

American Depositary Shares

Direct
S · Sale

Shares

50K

Price / share

$19.03

Trade value

$951.47K

% of position

4.9%
3/9/2026
1.01M964.16K
Total

Net shares

+0.00

Net value

-$1.75M

Derivative Transactions2

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

American Depositary Shares

50K shares

Shares

50K

Strike price

1.74

Held after

772.18K

Exercisable

3/6/2026

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

American Depositary Shares

50K shares

Shares

50K

Strike price

1.74

Held after

722.18K

Exercisable

3/9/2026
DU YING — Insider Transaction (Form 4) Filed Mar 10, 2026 | Finecho