CHEN YAJING

PrivateCIK: 1985694
Location

CAMBRIDGE, MA

CHEN YAJING (Chief Financial Officer) sold 1.4% of their position (240.00 shares) of ZAI LAB LTD on the open market

Open‑market sale worth $6.4K — a minor trim. 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
-240.00
Net shares
Net seller
$6.4K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
500.00 acquired · 740.00 disposed
Non-Derivative Transactions2

American Depositary Shares

Direct
M · Option Exercise

Shares

+500.00

Price / share

Trade value

% of position

2.9%
10/31/2025
17.18K17.68K

American Depositary Shares

Direct
S · Sale

Shares

240.00

Price / share

$26.83

Trade value

$6.44K

% of position

1.4%
11/3/2025
17.68K17.44K
Total

Net shares

+260.00

Net value

-$6.44K

Derivative Transactions1

Restricted Share Units

Direct
M · Option Exercise
Converts to

American Depositary Shares

500.00 shares

Shares

500.00

Strike price

Held after

0.00

Exercisable

10/31/2025
CHEN YAJING — Insider Transaction (Form 4) Filed Nov 4, 2025 | Finecho