<SEC-DOCUMENT>0001193125-17-290496-index.html : 20170921
<SEC-HEADER>0001193125-17-290496.hdr.sgml : 20170921
<ACCEPTANCE-DATETIME>20170921163059
ACCESSION NUMBER:		0001193125-17-290496
CONFORMED SUBMISSION TYPE:	424B4
PUBLIC DOCUMENT COUNT:		18
FILED AS OF DATE:		20170921
DATE AS OF CHANGE:		20170921

FILER:

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

	FILING VALUES:
		FORM TYPE:		424B4
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219980
		FILM NUMBER:		171096048

	BUSINESS ADDRESS:	
		STREET 1:		1043 HALEI ROAD
		STREET 2:		ZHANGJIANG HI-TECH PARK
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201203
		BUSINESS PHONE:		862161632588

	MAIL ADDRESS:	
		STREET 1:		1043 HALEI ROAD
		STREET 2:		ZHANGJIANG HI-TECH PARK
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201203
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B4
<SEQUENCE>1
<FILENAME>d358845d424b4.htm
<DESCRIPTION>424B4
<TEXT>
Document 1 - file: d358845d424b4.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g358845g02p22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g358845g02p22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g358845g05p60.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g358845g05p60.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g358845g09j45.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g358845g09j45.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g358845g23n28.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g358845g23n28.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g358845g24j00.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g358845g24j00.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g358845g30j99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g358845g30j99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g358845g31s68.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g358845g31s68.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g358845g35d56.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g358845g35d56.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g358845g35e94.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g358845g35e94.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g358845g36n30.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g358845g36n30.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g358845g46w45.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g358845g46w45.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g358845g54z99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g358845g54z99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g358845g61e05.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g358845g61e05.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g358845g64l44.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g358845g64l44.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g358845g66p51.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g358845g66p51.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g358845g68g30.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g358845g68g30.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g358845g94t04.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g358845g94t04.jpg
</DOCUMENT> </SEC-DOCUMENT>