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For purposes of this Form 4, we are reporting this in terms of ADSs."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares that vest in full on June 17, 2027, subject to the Reporting Person's continued service as a member of the issuer's board of directors through such vesting date."}],"balance_after":96297,"source":{"system":"sec-edgar","filing":"0000905148-26-003026","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1704292/000090514826003026/form4.xml","form_type":"4"}},{"id":1103416,"issuer":{"id":4271,"kind":"organization","name":"Zai Lab Ltd","symbol":"ZLAB"},"owners":[{"id":36212,"kind":"person","name":"Leung Nisa","position":1,"cik":"0001835822","reported_name":"Leung Nisa","relationship":{"director":true}}],"security":"American Depositary Shares","published_at":"2025-06-23T20:10:36.000Z","date":"2025-06-18","kind":"grant","planned":false,"acquired":true,"shares":10831,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each American Depositary Share (\"ADS\") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted shares that vest in full on June 18, 2026, subject to the Reporting Person's continued service as a member of the issuer's board of directors through such vesting date."}],"balance_after":73926,"source":{"system":"sec-edgar","filing":"0000905148-25-002214","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1704292/000090514825002214/form4.xml","form_type":"4"}},{"id":2561450,"issuer":{"id":4271,"kind":"organization","name":"Zai Lab Ltd","symbol":"ZLAB"},"owners":[{"id":36212,"kind":"person","name":"Leung Nisa","position":1,"cik":"0001835822","reported_name":"Leung Nisa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2021-09-22T20:01:21.000Z","date":"2021-09-20","kind":"other","acquired":true,"shares":63095,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents shares received in an in kind distribution of the ordinary shares in the form of ADS of the issuer from the QM11 Limited."}],"balance_after":63095,"source":{"system":"sec-edgar","filing":"0000950103-21-014406","document":"dp158300_4-leung.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1704292/000095010321014406/dp158300_4-leung.xml","form_type":"4"}},{"id":2561449,"issuer":{"id":4271,"kind":"organization","name":"Zai Lab Ltd","symbol":"ZLAB"},"owners":[{"id":36212,"kind":"person","name":"Leung Nisa","position":1,"cik":"0001835822","reported_name":"Leung Nisa","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2021-09-22T20:01:21.000Z","date":"2021-09-20","kind":"other","acquired":false,"shares":1150000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares disposed in an in kind distribution of the ordinary shares in the form of ADS of the issuer from QM11 Limited."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by QM11 Limited. QM11 Limited is owned by Qiming Venture Partners IV, L.P., and Qiming Managing Directors Fund IV, L.P. The general partner of Qiming Venture Partners IV, L.P. is Qiming GP IV,L.P., whose general partner is Qiming Corporate GP IV, Ltd. The general partner of Qiming Managing Directors Fund IV, L.P. is Qiming Corporate GP IV, Ltd. The Reporting Person is a Managing Director of Qiming Venture Partners IV, L.P. and a shareholder and director of Qiming Corporate GP IV, Ltd. By virtue of these relationships the Reporting Person may be deemed to beneficially own the shares held by QM11 Limited, however she disclaims beneficial ownership of such securities except to the extent of her pecuniary interest therein."}],"balance_after":7922932,"source":{"system":"sec-edgar","filing":"0000950103-21-014406","document":"dp158300_4-leung.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1704292/000095010321014406/dp158300_4-leung.xml","form_type":"4"}}]}