Zai Lab Limited

ZLAB · Healthcare · Zai Lab Limited, a biopharmaceutical company, focuses on discovering, developing, and commercializing products that address medical conditi…

Zai Lab Limited (ZLAB), in the Healthcare sector, has 17 disclosed filings on Paydirt over the trailing twelve months from 6 corporate insiders: 0 purchases and 17 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Aug 12 and filed Aug 13. The most active filer was Ying Du with 17 filings.

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Filings, ttm

0 buys · 17 sells

Traders, ttm

6 insiders

Volume, ttmiDollar value disclosed in the window

$10.4M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Aug 12

Filed Aug 13

ADViAverage daily dollar volume

$26.3M

market data

Share price · 12M

$18.40 (-44.5%)

Adjusted for splits and dividends.

Volume by month

Buys $289K Sells $35.8M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed

Ying Du Chairperson & CEO 17 filings RA

Rafael Amado See Remarks 8 filings FI

Frazor Titus Edmondson III Chief Legal Officer 6 filings JS

Joshua L Smiley See Remarks 5 filings YC

Yajing Chen Chief Financial Officer 4 filings WL

William Lis Director 4 filings KC

Kai-Xian Chen Director 1 filing SM

Scott W Morrison Director 1 filing

Recent filings

William LisSALE Director $213K
8,506 sh × $25.00
Exec Aug 12
Filed Aug 13 · 4:15 PM ET Ying DuSALE Chairperson & CEO $130K
7,026 sh × $18.53
Exec Jun 30
Filed Jul 1 · 4:24 PM ET Ying DuSALE Chairperson & CEO $429K
24,543 sh × $17.46
Exec Jun 26
Filed Jun 29 · 5:30 PM ET William LisSALE Director $127K
7,040 sh × $18.09
Exec Jun 22
Filed Jun 24 · 5:30 PM ET Ying DuSALE Chairperson & CEO $2.0M
100,000 sh across 2 lots
Exec May 15
Filed May 19 · 5:30 PM ET Ying DuSALE Chairperson & CEO $2.0M
100,000 sh across 3 lots
Exec May 13
Filed May 15 · 5:30 PM ET Rafael AmadoSALE See Remarks $202K
9,910 sh × $20.39
Exec Apr 2
Filed Apr 3 · 5:30 PM ET Yajing ChenSALE Chief Financial Officer $106K
5,199 sh × $20.39
Exec Apr 2
Filed Apr 3 · 5:30 PM ET Ying DuSALE Chairperson & CEO $114K
5,576 sh × $20.39
Exec Apr 2
Filed Apr 3 · 5:30 PM ET Joshua L SmileySALE See Remarks $196K
9,614 sh × $20.39
Exec Apr 2
Filed Apr 3 · 5:30 PM ET Ying DuSALE Chairperson & CEO $1.9M
100,000 sh across 2 lots
Exec Mar 6
Filed Mar 10 · 5:30 PM ET Ying DuSALE Chairperson & CEO $1.9M
100,000 sh across 3 lots
Exec Mar 4
Filed Mar 6 · 5:30 PM ET Frazor Titus Edmondson IIISALE Chief Legal Officer $297K
15,569 sh × $19.06
Exec Mar 5
Filed Mar 6 · 5:30 PM ET Rafael AmadoSALE See Remarks $174K
10,000 sh × $17.38
Exec Mar 3
Filed Mar 5 · 5:30 PM ET Rafael AmadoSALE See Remarks $188K
10,787 sh × $17.43
Exec Dec 31 2025
Filed Jan 2 · 5:30 PM ET Frazor Titus Edmondson IIISALE Chief Legal Officer $148K
8,651 sh × $17.14
Exec Dec 16 2025
Filed Dec 18 2025 · 5:30 PM ET Frazor Titus Edmondson IIISALE Chief Legal Officer $283K
14,328 sh × $19.78
Exec Nov 21 2025
Filed Nov 25 2025 · 5:30 PM ET Joshua L SmileyPURCHASE See Remarks $289K
10,000 sh × $28.91
Exec Sep 10 2025
Filed Sep 12 2025 · 4:32 PM ET Joshua L SmileySALE See Remarks $241K
6,641 sh × $36.24
Exec Aug 18 2025
Filed Aug 19 2025 · 5:30 PM ET Ying DuSALE Chairperson & CEO $3.4M
96,387 sh across 2 lots
Exec Aug 12 2025
Filed Aug 14 2025 · 5:30 PM ET Ying DuSALE Chairperson & CEO $3.5M
100,000 sh across 2 lots
Exec Aug 8 2025
Filed Aug 12 2025 · 5:30 PM ET Yajing ChenSALE Chief Financial Officer $139K
4,096 sh × $34.01
Exec Aug 8 2025
Filed Aug 12 2025 · 5:30 PM ET Rafael AmadoSALE See Remarks $105K
3,000 sh × $35.00
Exec Aug 8 2025
Filed Aug 12 2025 · 5:30 PM ET Ying DuSALE Chairperson & CEO $249K
7,072 sh × $35.23
Exec Jul 2 2025
Filed Jul 3 2025 · 5:30 PM ET Ying DuSALE Chairperson & CEO $246K
6,918 sh × $35.52
Exec Jun 30 2025
Filed Jul 1 2025 · 5:30 PM ET