CHEN YAJING

PrivateCIK: 1985694
Location

CAMBRIDGE, MA

CHEN YAJING (Chief Financial Officer) sold 17.2% of their position (5.28K shares) of ZAI LAB LTD on the open market

Open‑market sale worth $189.5K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderCHEN YAJINGCIK 1985694
IssuerZAI LAB LTDCIK 1704292
Officer· Chief Financial Officer
Since Mar 2026
-5.28K
Net shares
Net seller
$189.5K
Total sold
1
Open market trades
0B · 1S
5
Total transactions
15.26K acquired · 20.54K disposed
Non-Derivative Transactions3

American Depositary Shares

Direct
M · Option Exercise

Shares

+1.50K

Price / share

Trade value

% of position

9.7%
4/1/2025
15.49K16.99K

American Depositary Shares

Direct
M · Option Exercise

Shares

+13.76K

Price / share

Trade value

% of position

81.0%
4/1/2025
16.99K30.75K

American Depositary Shares

Direct
S · Sale

Shares

5.28K

Price / share

$35.89

Trade value

$189.52K

% of position

17.2%
4/2/2025
30.75K25.47K
Total

Net shares

+9.98K

Net value

-$189.52K

Derivative Transactions2

Restricted Share Units

Direct
M · Option Exercise
Converts to

American Depositary Shares

1.50K shares

Shares

1.50K

Strike price

Held after

3K

Exercisable

4/1/2025

Restricted Share Units

Direct
M · Option Exercise
Converts to

American Depositary Shares

13.76K shares

Shares

13.76K

Strike price

Held after

41.27K

Exercisable

4/1/2025
CHEN YAJING — Insider Transaction (Form 4) Filed Apr 3, 2025 | Finecho