Skip to content

Insider · CIK 0001985694

Yajing Chen

cfoofficer

Files at ZLAB (Zai Lab Ltd). First filing Nov 5, 2024, latest Mar 16, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 10
$0 bought, $854k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

ZLAB: Zai Lab Ltd

ZLABOct 9, 2026 · close 24.99

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
27Weak
ZLABsell 5
Zai Lab Ltd
$32k
1,703 shares
-8%+13% from low-57% from high
7Weak
ZLABsell
Zai Lab Ltd
$6,439
240 shares
-1%+10% from low-38% from high
7Weak
ZLABsell
Zai Lab Ltd
$16k
456 shares
-3%+39% from low-21% from high
9Weak
ZLABsell 510b5-1
Zai Lab Ltd
$51k
1,438 shares
-8%+76% from low-17% from high
33Weak
ZLABsell 510b5-1
Zai Lab Ltd
$139k
4,096 shares
-20%+72% from low-19% from high
37Weak
ZLABsell 4
Zai Lab Ltd
$97k
2,675 shares
-11%+78% from low-16% from high
26Weak
ZLABsell10b5-1
Zai Lab Ltd
$289k
9,618 shares
-36%+53% from low-19% from high
27Weak
ZLABsell 5
Zai Lab Ltd
$31k
924 shares
-3%+56% from low-17% from high
39Weak
ZLABsell 5
Zai Lab Ltd
$190k
5,280 shares
-17%+79% from low-5% from high
7Weak
ZLABsell
Zai Lab Ltd
$5,121
167 shares
-1%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Nov 4, 2024 ZLAB
Zai Lab Ltd
167
0.00% of outstanding
$5,121Nov 4, 2024$14k

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+920--36,5558 d ago
Oct 1, 2026ZLAB
Zai Lab Ltd
FTax withholding
American Depositary Shares
-315$25.50$8,03336,2408 d ago
Oct 1, 2026ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-920$0.00$008 d ago
Mar 12, 2026ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+4,258--21,702Mar 16, 2026
Mar 13, 2026ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-1,703$18.63$32k19,999Mar 16, 2026
Mar 4, 2026ZLAB
Zai Lab Ltd
AGrant or award
Stock Options (Right to Buy)derivative
+83,160$0.00$083,160Mar 16, 2026
Mar 4, 2026ZLAB
Zai Lab Ltd
AGrant or award
Restricted Share Unitsderivative
+27,027$0.00$027,027Mar 16, 2026
Mar 12, 2026ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-4,258$0.00$012,777Mar 16, 2026
Oct 31, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+500--17,684Nov 4, 2025
Nov 3, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-240$26.83$6,43917,444Nov 4, 2025
Oct 31, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-500$0.00$00Nov 4, 2025
Oct 1, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+920--17,640Oct 3, 2025
Oct 2, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-456$34.25$16k17,184Oct 3, 2025
Oct 1, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-920$0.00$0920Oct 3, 2025
Aug 14, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares10b5-1
+1,250--18,158Aug 18, 2025
Aug 15, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares10b5-1
-610$35.27$22k17,548Aug 18, 2025
Aug 15, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares10b5-1
-828$35.53$29k16,720Aug 18, 2025
Aug 14, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative10b5-1
-1,250$0.00$02,500Aug 18, 2025
Aug 8, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares10b5-1
-4,096$34.01$139k16,908Aug 12, 2025
Jun 25, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+6,250--23,679Jun 27, 2025
Jun 26, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-2,675$36.13$97k21,004Jun 27, 2025
Jun 25, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-6,250$0.00$06,250Jun 27, 2025
Jun 2, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares10b5-1
-9,618$30.00$289k17,429Jun 4, 2025
Apr 3, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+2,500--27,971Apr 7, 2025
Apr 4, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-924$33.11$31k27,047Apr 7, 2025
Apr 3, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-2,500$0.00$05,000Apr 7, 2025
Apr 1, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+1,500--16,994Apr 3, 2025
Apr 1, 2025ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+13,757--30,751Apr 3, 2025
Apr 2, 2025ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-5,280$35.89$190k25,471Apr 3, 2025
Apr 1, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-1,500$0.00$03,000Apr 3, 2025
Apr 1, 2025ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-13,757$0.00$041,274Apr 3, 2025
Mar 12, 2025ZLAB
Zai Lab Ltd
AGrant or award
Stock Options (Right to Buy)derivative
+52,418$0.00$052,418Mar 14, 2025
Mar 12, 2025ZLAB
Zai Lab Ltd
AGrant or award
Restricted Share Unitsderivative
+17,035$0.00$017,035Mar 14, 2025
Nov 1, 2024ZLAB
Zai Lab Ltd
MOption exercise
American Depositary Shares
+500--15,661Nov 5, 2024
Nov 4, 2024ZLAB
Zai Lab Ltd
SOpen-market sale
American Depositary Shares
-167$30.66$5,12115,494Nov 5, 2024
Nov 1, 2024ZLAB
Zai Lab Ltd
MOption exercise
Restricted Share Unitsderivative
-500$0.00$0500Nov 5, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Yajing Chen: insider trades and track record | InsiderTell