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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
Jul 2, 2021 (view filing)Jul 1-21 dayDu YingChairwoman & CEOSSale−111.1K$175.61−$19.5M−9.9%1.01M after10 lots
Jul 15, 2021 (view filing)Jul 13-142 daysReinhart HaraldChief Medical OfficerSSale−16.0K$169.52−$2.71M−100.0%0 after3 lots
Jul 19, 2021 (view filing)Jul 154 daysFu TaoPresident & COOSSale−10.0K$172.82−$1.73M−4.6%207.0K after6 lots
Aug 3, 2021 (view filing)Aug 2-31 dayDu YingChairwoman & CEOSSale−111.1K$144.99−$16.1M−9.9%1.01M after14 lots
Aug 5, 2021 (view filing)Aug 5Same dayDiekman John DDirectorSSale−1.00K$149.50−$149.5K−1.6%61.9K after
Aug 25, 2021 (view filing)Aug 23-242 daysReinhart HaraldChief Medical OfficerSSale−16.0K$139.18−$2.23M−100.0%0 after2 lots
Aug 26, 2021 (view filing)Aug 251 dayFu TaoPresident & COOSSale−10.0K$143.03−$1.43M−4.6%207.0K after4 lots
Sep 3, 2021 (view filing)Sep 1-32 daysDu YingChairwoman & CEOSSale−81.3K$145.80−$11.9M−7.3%1.04M after15 lots
Sep 8, 2021 (view filing)Sep 71 dayDu YingChairwoman & CEOSSale−29.8K$150.73−$4.49M−2.9%1.01M after8 lots
Sep 8, 2021 (view filing)Sep 71 dayReinhart HaraldChief Medical OfficerSSale−10.0K$150.93−$1.51M−100.0%0 after6 lots
Sep 10, 2021 (view filing)Sep 91 dayReinhart HaraldChief Medical OfficerSSale−10.0K$141.36−$1.41M−100.0%0 after9 lots
Sep 16, 2021 (view filing)Sep 151 dayFu TaoPresident & COOSSale−9.90K$127.86−$1.27M−4.6%207.6K after7 lots
Sep 27, 2021 (view filing)Sep 1512 daysLateFu TaoPresident & COOSSale−100$134.09−$13.4K0.0%207.5K after
Oct 1, 2021 (view filing)Sep 301 dayFu TaoPresident & COOSSale−10.0K$106.73−$1.07M−9.3%97.5K after4 lots
Oct 14, 2021 (view filing)Oct 14Same dayFu TaoPresident & COOSSale−10.0K$102.68−$1.03M−10.3%87.5K after3 lots
Oct 29, 2021 (view filing)Oct 281 dayFu TaoPresident & COOSSale−10.0K$105.00−$1.05M−11.4%77.5K after2 lots
Nov 8, 2021 (view filing)Nov 53 daysDiekman John DDirectorSSale−1.00K$91.65−$91.7K−1.6%60.9K after
Jan 21, 2022 (view filing)Jan 201 dayLis WilliamDirectorSSale−1.93K$53.40−$102.8K−5.3%34.1K after
Feb 7, 2022 (view filing)Feb 43 daysDiekman John DDirectorSSale−1.00K$50.17−$50.2K−1.5%67.6K after
Nov 17, 2022 (view filing)Nov 152 daysReinhart HaraldSee RemarksSSaleAmerican Depositary Shares−1.85K$40.00−$74.2K−6.9%24.9K after2 lots
Dec 9, 2022 (view filing)Dec 81 dayWirth PeterDirectorSSaleAmerican Depositary Shares−3.85K$35.37−$136.2K−1.1%342.8K after
Dec 9, 2022 (view filing)Dec 81 dayWirth PeterDirectorSSaleAmerican Depositary Shares−4.00K$35.33−$141.3K−100.0%0 after
Dec 12, 2022 (view filing)Dec 8, 2021369 daysWirth PeterDirectorPPurchaseAmerican Depositary Shares+4.00K$71.36+$285.4KNew position4.00K afterAmended
Mar 7, 2023 (view filing)Mar 34 daysReinhart HaraldSee RemarksSSaleAmerican Depositary Shares−11.5K$40.00−$459.2K−37.7%19.0K after
Mar 7, 2023 (view filing)Mar 34 daysLis WilliamDirectorSSaleAmerican Depositary Shares−5.43K$38.31−$208.2K−18.9%23.3K after
Mar 7, 2023 (view filing)Mar 61 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−7.96K$40.55−$323.0K−29.1%19.4K after
Nov 3, 2023 (view filing)Nov 21 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−165$25.23−$4.16K−2.3%6.98K after
Nov 16, 2023 (view filing)Nov 16Same daySmiley Joshua LSee RemarksPPurchaseAmerican Depositary Shares+5.00K$26.93+$134.7K+43.4%16.5K after10b5-1
Dec 18, 2023 (view filing)Dec 144 daysSmiley Joshua LSee RemarksPPurchaseAmerican Depositary Shares+4.00K$29.90+$119.6K+24.2%20.5K after10b5-1
Jan 3, 2024 (view filing)Jan 3Same dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−4.80K$26.12−$125.5K−13.8%30.0K after
Jan 3, 2024 (view filing)Jan 3Same dayReinhart HaraldSee RemarksSSaleAmerican Depositary Shares−4.80K$26.12−$125.5K−9.4%46.1K after
Jan 3, 2024 (view filing)Jan 3Same dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−8.38K$26.12−$218.9K−0.7%1.13M after
Jan 3, 2024 (view filing)Jan 21 dayAmado RafaelSee RemarksSSaleAmerican Depositary Shares−19.4K$26.30−$509.2K−46.1%22.6K after
Mar 4, 2024 (view filing)Mar 13 daysSmiley Joshua LSee RemarksPPurchaseAmerican Depositary Shares+3.00K$20.83+$62.5K+14.6%23.5K after10b5-1
Mar 19, 2024 (view filing)Mar 154 daysEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−10.0K$18.71−$187.1K−33.3%20.0K after10b5-1
Mar 19, 2024 (view filing)Mar 154 daysAmado RafaelSee RemarksSSaleAmerican Depositary Shares−2.54K$18.86−$48.0K−11.2%20.1K after10b5-1
Apr 3, 2024 (view filing)Apr 21 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−519$16.15−$8.38K−6.1%7.96K after
Apr 3, 2024 (view filing)Apr 21 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−5.79K$16.15−$93.5K−0.5%1.11M after2 lots
Apr 3, 2024 (view filing)Apr 21 dayReinhart HaraldSee RemarksSSaleAmerican Depositary Shares−1.77K$16.15−$28.6K−3.5%48.6K after2 lots
Apr 3, 2024 (view filing)Apr 21 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−885$16.15−$14.3K−3.8%22.6K after2 lots
Apr 5, 2024 (view filing)Apr 41 dayAmado RafaelSee RemarksSSaleAmerican Depositary Shares−1.95K$15.67−$30.6K−7.7%23.5K after
Apr 5, 2024 (view filing)Apr 41 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−845$15.67−$13.2K−8.1%9.62K after
Apr 5, 2024 (view filing)Apr 41 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−1.24K$15.67−$19.5K−4.5%26.4K after
Apr 5, 2024 (view filing)Apr 41 dayReinhart HaraldSee RemarksSSaleAmerican Depositary Shares−2.10K$15.67−$33.0K−3.9%51.8K after
Apr 5, 2024 (view filing)Apr 41 daySmiley Joshua LSee RemarksSSaleAmerican Depositary Shares−1.99K$15.67−$31.2K−6.5%28.7K after
May 15, 2024 (view filing)May 132 daysSmiley Joshua LSee RemarksPPurchaseAmerican Depositary Shares+3.00K$21.40+$64.2K+10.5%31.7K after10b5-1
May 16, 2024 (view filing)May 142 daysEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−10.0K$21.33−$213.3K−37.9%16.4K after10b5-1
Jun 27, 2024 (view filing)Jun 261 dayChen YajingChief Financial OfficerSSaleAmerican Depositary Shares−2.15K$17.90−$38.6K−13.6%13.7K after
Jun 27, 2024 (view filing)Jun 261 dayDu YingChairperson & CEOSSaleAmerican Depositary Shares−23.9K$17.90−$428.5K−2.1%1.14M after
Jun 27, 2024 (view filing)Jun 261 dayEdmondson Frazor Titus IIIChief Legal OfficerSSaleAmerican Depositary Shares−5.06K$17.90−$90.6K−16.3%25.9K after