CHEN YAJING (Chief Financial Officer) sold 7.9% of their position (1.44K shares) of ZAI LAB LTD on the open market
Open‑market sale worth $50.9K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 2 sales
Filed: 8/18/2025ACC: 0000905148-25-003036
Officer· Chief Financial Officer
Since Mar 2026
-1.44K
Net shares
Net seller
$50.9K
Total sold
2
Open market trades
0B · 2S
4
Total transactions
1.25K acquired · 2.69K disposed
Non-Derivative Transactions3
American Depositary Shares
Direct
Shares
+1.25K
Price / share
—
Trade value
—
% of position
7.4%
8/14/2025
16.91K→18.16K
American Depositary Shares
Direct
Shares
−610.00
Price / share
$35.27
Trade value
$21.51K
% of position
3.4%
8/15/2025
18.16K→17.55K
American Depositary Shares
Direct
Shares
−828.00
Price / share
$35.53
Trade value
$29.42K
% of position
4.7%
8/15/2025
17.55K→16.72K
Total
Net shares
−188.00
Net value
-$50.93K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| American Depositary Shares Direct | 8/14/2025 | M · Option Exercise | +1.25K | — | — | 7.4% | 16.91K | 18.16K |
| American Depositary Shares Direct | 8/15/2025 | S · Sale | −610.00 | $35.27 | $21.51K | 3.4% | 18.16K | 17.55K |
| American Depositary Shares Direct | 8/15/2025 | S · Sale | −828.00 | $35.53 | $29.42K | 4.7% | 17.55K | 16.72K |
| Total | −188.00 | -$50.93K | ||||||
Derivative Transactions1
Restricted Share Units
Direct
Converts to
American Depositary Shares
1.25K shares
Shares
−1.25K
Strike price
Held after
2.50K
Exercisable
—
8/14/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Share Units Direct | American Depositary Shares1.25K shares | 8/14/2025 | M · Option Exercise | −1.25K | — | 2.50K |