<SEC-DOCUMENT>0001959173-25-003156.txt : 20250514
<SEC-HEADER>0001959173-25-003156.hdr.sgml : 20250514
<ACCEPTANCE-DATETIME>20250514094322
ACCESSION NUMBER:		0001959173-25-003156
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250514
DATE AS OF CHANGE:		20250514

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Zai Lab Ltd
		CENTRAL INDEX KEY:			0001704292
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38205
		FILM NUMBER:		25943129

	BUSINESS ADDRESS:	
		STREET 1:		4560 JINKE ROAD
		STREET 2:		BLDG. 1, 4F, PUDONG
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201210
		BUSINESS PHONE:		862161632588

	MAIL ADDRESS:	
		STREET 1:		4560 JINKE ROAD
		STREET 2:		BLDG. 1, 4F, PUDONG
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201210

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Du Ying
		CENTRAL INDEX KEY:			0001731790
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		C/O ZAID LAB LIMITED
		STREET 2:		4560 JINKE ROAD, BLDG. 1, 4F, PUDONG
		CITY:			SHANGHAI
		NON US STATE TERRITORY:  	CHINA
		PROVINCE COUNTRY:   	F4
</SEC-HEADER>
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<TYPE>144
<SEQUENCE>1
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      <issuerCik>0001704292</issuerCik>
      <issuerName>Zai Lab Ltd</issuerName>
      <secFileNumber>001-38205</secFileNumber>
      <issuerAddress>
        <com:street1>4560 JINKE ROAD</com:street1>
        <com:street2>BLDG. 1, 4F, PUDONG</com:street2>
        <com:city>SHANGHAI</com:city>
        <com:stateOrCountry>F4</com:stateOrCountry>
        <com:zipCode>201210</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>862161632588</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Du Ying</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>46389</noOfUnitsSold>
      <aggregateMarketValue>1340642.10</aggregateMarketValue>
      <noOfUnitsOutstanding>486853250</noOfUnitsOutstanding>
      <approxSaleDate>05/14/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <acquiredDate>05/14/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Option Granted - 10/22/2015</natureOfAcquisitionTransaction>
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      <paymentDate>05/14/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
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    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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        <name>Ying Du</name>
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          <com:street1>4560 Jinke Road</com:street1>
          <com:street2>Bldg. 1, 4th Floor Pudong</com:street2>
          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
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      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>02/28/2025</saleDate>
      <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
      <grossProceeds>1723465.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ying Du</name>
        <address>
          <com:street1>4560 Jinke Road</com:street1>
          <com:street2>Bldg. 1, 4th Floor Pudong</com:street2>
          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
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      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>03/03/2025</saleDate>
      <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
      <grossProceeds>1622140.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ying Du</name>
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          <com:street1>4560 Jinke Road</com:street1>
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          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>03/04/2025</saleDate>
      <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
      <grossProceeds>1674200.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ying Du</name>
        <address>
          <com:street1>4560 Jinke Road</com:street1>
          <com:street2>Bldg. 1, 4th Floor Pudong</com:street2>
          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>03/05/2025</saleDate>
      <amountOfSecuritiesSold>46389</amountOfSecuritiesSold>
      <grossProceeds>1649124.31</grossProceeds>
    </securitiesSoldInPast3Months>
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      <sellerDetails>
        <name>Ying Du</name>
        <address>
          <com:street1>4560 Jinke Road</com:street1>
          <com:street2>Bldg. 1, 4th Floor Pudong</com:street2>
          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>04/02/2025</saleDate>
      <amountOfSecuritiesSold>5808</amountOfSecuritiesSold>
      <grossProceeds>208473.51</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ying Du</name>
        <address>
          <com:street1>4560 Jinke Road</com:street1>
          <com:street2>Bldg. 1, Fourth Floor Pudong</com:street2>
          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>04/04/2025</saleDate>
      <amountOfSecuritiesSold>2945</amountOfSecuritiesSold>
      <grossProceeds>97504.53</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ying Du</name>
        <address>
          <com:street1>4560 Jinke Road</com:street1>
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          <com:city>Shanghai</com:city>
          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>05/09/2025</saleDate>
      <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
      <grossProceeds>1481140.00</grossProceeds>
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    <securitiesSoldInPast3Months>
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        <name>Ying Du</name>
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          <com:street1>4560 Jinke Road</com:street1>
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          <com:stateOrCountry>F4</com:stateOrCountry>
          <com:zipCode>201210</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>05/12/2025</saleDate>
      <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
      <grossProceeds>1472165.00</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Ying Du</name>
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      <securitiesClassTitle>American Depositary Shares</securitiesClassTitle>
      <saleDate>05/13/2025</saleDate>
      <amountOfSecuritiesSold>50000</amountOfSecuritiesSold>
      <grossProceeds>1428650.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/14/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/20/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Eric Janiak, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Ying Du</signature>
    </noticeSignature>
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