CHEN YAJING

PrivateCIK: 1985694
Location

CAMBRIDGE, MA

CHEN YAJING (Chief Financial Officer) sold 7.8% of their position (1.70K shares) of ZAI LAB LTD on the open market

Open‑market sale worth $31.7K — a moderate 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
+108.48K
Net shares
Net buyer
$31.7K
Total sold
1
Open market trades
0B · 1S
5
Total transactions
114.44K acquired · 5.96K disposed
Non-Derivative Transactions2

American Depositary Shares

Direct
M · Option Exercise

Shares

+4.26K

Price / share

Trade value

% of position

24.4%
3/12/2026
17.44K21.70K

American Depositary Shares

Direct
S · Sale

Shares

1.70K

Price / share

$18.63

Trade value

$31.72K

% of position

7.8%
3/13/2026
21.70K20K
Total

Net shares

+2.56K

Net value

-$31.72K

Derivative Transactions3

Stock Options (Right to Buy)

Direct
A · Award
Converts to

American Depositary Shares

83.16K shares

Shares

+83.16K

Strike price

19.27

Held after

83.16K

Exercisable

3/4/2026

Restricted Share Units

Direct
A · Award
Converts to

American Depositary Shares

27.03K shares

Shares

+27.03K

Strike price

Held after

27.03K

Exercisable

3/4/2026

Restricted Share Units

Direct
M · Option Exercise
Converts to

American Depositary Shares

4.26K shares

Shares

4.26K

Strike price

Held after

12.78K

Exercisable

3/12/2026
CHEN YAJING — Insider Transaction (Form 4) Filed Mar 16, 2026 | Finecho