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Zai Lab Ltd

ZLAB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001704292

In the last 90 days, Zai Lab Ltd insiders filed 1 open-market purchase and 7 sales; 92 institutions reported holding it in 13F filings for Q2 2026, worth $822.8M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Zai Lab Ltd insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, $33.1K in total
Open-market sells
7 filings
4 insiders, $905.1K in total
Insiders trading
5
Net value
−$872.0K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Zai Lab Ltd, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Zai Lab Ltd
NameTitleLast reported holdingLast filingFilings, past year
Chen YajingChief Financial Officer35,635Aug 21, 20269
Lis WilliamDirector41,931Aug 13, 20263
Gaynor RichardDirector80,737Jul 6, 20263
Du YingChairperson & CEO1,221,401Jul 6, 202614
Edmondson Frazor Titus IIIChief Legal Officer30,346Jun 29, 20268
Wirth PeterDirector416,121Jun 22, 20261
Moulder Leon O JrDirector94,973Jun 22, 20261
Diekman John DDirector122,140Jun 22, 20261
Morrison Scott WDirector56,904Jun 22, 20261
Vounatsos MichelDirector72,787Jun 22, 20261
Leung NisaDirector96,297Jun 22, 20261
Wang YizheOperating Partner–Jun 8, 20261
Amado RafaelSee Remarks57,022Apr 8, 20265
Smiley Joshua LSee Remarks117,602Apr 8, 20263
Chen Kai-XianDirector39,525Jan 3, 20250
Reinhart HaraldSee Remarks62,619Jun 27, 20240
Cho William Ki ChulChief Financial Officer53,747Apr 5, 20230
Liang YiCCO & President, Greater China104,847Jun 27, 20220
Sandler Alan B.Head of Global Dev., Oncology28,985Jun 27, 20220
Fu TaoPresident & COO77,500IndirectOct 29, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 27, 2024 (view filing)Jun 261 dayReinhart HaraldSee RemarksSSaleAmerican Depositary Shares−7.43K$17.90−$133.0K−10.6%62.6K after
Jul 2, 2024 (view filing)Jul 11 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−7.01K$17.48−$122.6K−0.6%1.08M after
Jul 3, 2024 (view filing)Jul 12 daysLis WilliamDirectorSSaleAmerican Depositary Shares−10.4K$17.32−$180.0K−16.4%53.1K after2 lots10b5-1
Aug 14, 2024 (view filing)Aug 122 daysAmado RafaelSee RemarksSSaleAmerican Depositary Shares−3.12K$16.20−$50.5K−13.2%20.4K after10b5-1
Aug 16, 2024 (view filing)Aug 151 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−422$16.06−$6.78K−2.8%14.5K after
Aug 19, 2024 (view filing)Aug 163 daysSmiley Joshua LSee RemarksSSaleAmerican Depositary Shares−4.35K$16.67−$72.5K−9.1%43.2K after
Aug 20, 2024 (view filing)Aug 191 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−1.92K$16.95−$32.6K−6.2%28.9K after
Sep 5, 2024 (view filing)Sep 32 daysGaynor RichardDirectorSSaleAmerican Depositary Shares−2.50K$19.50−$48.8K−5.1%46.6K after10b5-1
Oct 3, 2024 (view filing)Oct 21 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−301$25.40−$7.65K−1.9%15.2K after
Nov 5, 2024 (view filing)Nov 41 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−167$30.66−$5.12K−1.1%15.5K after
Jan 2, 2025 (view filing)Dec 31, 20242 daysAmado RafaelSee RemarksSSaleAmerican Depositary Shares−7.58K$26.28−$199.3K−18.3%33.8K after
Jan 3, 2025 (view filing)Jul 1, 2024186 daysLateChen Kai-XianDirectorSSaleAmerican Depositary Shares−7.75K$17.22−$133.5K−11.3%60.8K after
Mar 4, 2025 (view filing)Feb 28-Mar 34 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−100.0K$33.46−$3.35M−16.8%494.1K after6 lots10b5-1
Mar 4, 2025 (view filing)Feb 284 daysLis WilliamDirectorSSaleAmerican Depositary Shares−15.0K$32.98−$494.7K−28.3%38.1K after10b5-1
Mar 4, 2025 (view filing)Feb 284 daysEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−14.5K$32.98−$479.7K−50.4%14.3K after10b5-1
Mar 6, 2025 (view filing)Mar 4-52 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−96.4K$34.48−$3.32M−16.3%494.1K after5 lots10b5-1
Mar 6, 2025 (view filing)Mar 51 dayGaynor RichardDirectorSSaleAmerican Depositary Shares−2.50K$35.07−$87.7K−5.4%44.1K after10b5-1
Mar 19, 2025 (view filing)Mar 172 daysAmado RafaelSee RemarksSSaleAmerican Depositary Shares−3.00K$38.41−$115.2K−8.9%30.8K after10b5-1
Apr 3, 2025 (view filing)Apr 21 daySmiley Joshua LSee RemarksSSaleAmerican Depositary Shares−11.7K$35.89−$421.3K−15.6%63.6K after
Apr 3, 2025 (view filing)Apr 21 dayAmado RafaelSee RemarksSSaleAmerican Depositary Shares−7.54K$35.89−$270.6K−15.0%42.8K after
Apr 3, 2025 (view filing)Apr 21 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−5.28K$35.89−$189.5K−17.2%25.5K after
Apr 3, 2025 (view filing)Apr 21 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−5.81K$35.89−$208.4K−1.2%476.0K after
Apr 3, 2025 (view filing)Apr 21 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−4.37K$35.89−$156.8K−13.8%27.2K after
Apr 7, 2025 (view filing)Apr 43 daysAmado RafaelSee RemarksSSaleAmerican Depositary Shares−3.03K$33.11−$100.3K−6.3%45.2K after
Apr 7, 2025 (view filing)Apr 43 daysChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−924$33.11−$30.6K−3.3%27.0K after
Apr 7, 2025 (view filing)Apr 43 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−2.94K$33.11−$97.5K−0.6%479.9K after
Apr 7, 2025 (view filing)Apr 43 daysEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−1.87K$33.11−$62.0K−5.8%30.4K after
Apr 7, 2025 (view filing)Apr 43 daysSmiley Joshua LSee RemarksSSaleAmerican Depositary Shares−3.35K$33.11−$111.1K−4.7%67.3K after
May 13, 2025 (view filing)May 9-124 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−100.0K$29.53−$2.95M−17.2%479.9K after4 lots10b5-1
May 13, 2025 (view filing)May 94 daysMorrison Scott WDirectorSSaleAmerican Depositary Shares−23.8K$30.05−$715.2K−50.1%23.7K after
May 15, 2025 (view filing)May 13-142 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−96.4K$28.34−$2.73M−16.7%479.9K after4 lots10b5-1
Jun 4, 2025 (view filing)Jun 22 daysChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−9.62K$30.00−$288.5K−35.6%17.4K after10b5-1
Jun 23, 2025 (view filing)Jun 203 daysLis WilliamDirectorSSaleAmerican Depositary Shares−13.8K$35.67−$492.7K−28.2%35.1K after10b5-1
Jun 27, 2025 (view filing)Jun 261 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−2.67K$36.13−$96.6K−11.3%21.0K after
Jun 27, 2025 (view filing)Jun 261 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−23.7K$36.13−$855.2K−4.4%515.0K after
Jun 27, 2025 (view filing)Jun 261 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−5.88K$36.13−$212.3K−13.1%39.1K after
Jul 1, 2025 (view filing)Jun 301 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−6.92K$35.52−$245.7K−1.3%526.0K after
Jul 3, 2025 (view filing)Jul 21 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−7.07K$35.23−$249.1K−1.3%537.0K after
Aug 12, 2025 (view filing)Aug 8-114 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−100.0K$34.69−$3.47M−15.7%537.0K after2 lots10b5-1
Aug 12, 2025 (view filing)Aug 84 daysChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−4.10K$34.01−$139.3K−19.5%16.9K after10b5-1
Aug 12, 2025 (view filing)Aug 84 daysAmado RafaelSee RemarksSSaleAmerican Depositary Shares−3.00K$35.00−$105.0K−6.6%42.2K after10b5-1
Aug 14, 2025 (view filing)Aug 12-132 daysDu YingChairperson & CEOSSaleAmerican Depositary Shares−96.4K$34.84−$3.36M−15.2%537.0K after2 lots10b5-1
Aug 18, 2025 (view filing)Aug 153 daysChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−1.44K$35.42−$50.9K−7.9%16.7K after2 lots10b5-1
Aug 19, 2025 (view filing)Aug 181 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−1.88K$36.24−$68.2K−4.3%42.1K after
Aug 19, 2025 (view filing)Aug 181 daySmiley Joshua LSee RemarksSSaleAmerican Depositary Shares−6.64K$36.24−$240.7K−8.0%76.6K after
Sep 12, 2025 (view filing)Sep 102 daysSmiley Joshua LSee RemarksPPurchaseAmerican Depositary Shares+10.0K$28.91+$289.1K+13.1%86.6K after
Oct 3, 2025 (view filing)Oct 21 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−456$34.25−$15.6K−2.6%17.2K after
Nov 4, 2025 (view filing)Nov 31 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−240$26.83−$6.44K−1.4%17.4K after
Nov 25, 2025 (view filing)Nov 214 daysEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−14.3K$19.78−$283.4K−34.1%27.7K after10b5-1
Dec 18, 2025 (view filing)Dec 162 daysEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−8.65K$17.14−$148.3K−31.2%19.1K after10b5-1