<SEC-DOCUMENT>0001127602-19-028591.txt : 20190917
<SEC-HEADER>0001127602-19-028591.hdr.sgml : 20190917
<ACCEPTANCE-DATETIME>20190917172343
ACCESSION NUMBER:		0001127602-19-028591
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190913
FILED AS OF DATE:		20190917
DATE AS OF CHANGE:		20190917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SOBECKI CHRISTOPHER J
		CENTRAL INDEX KEY:			0001053892

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30111
		FILM NUMBER:		191097792

	MAIL ADDRESS:	
		STREET 1:		C/O WEIGHT WATCHERS INTERNATIONAL
		STREET 2:		675 AVENUE OF THE AMERICAS, 6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10010

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LEXICON PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0001062822
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				760474169
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8800 TECHNOLOGY FOREST PLACE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77381
		BUSINESS PHONE:		2818633000

	MAIL ADDRESS:	
		STREET 1:		8800 TECHNOLOGY FOREST PLACE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77381

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LEXICON PHARMACEUTICALS, INC./DE
		DATE OF NAME CHANGE:	20070426

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LEXICON GENETICS INC/TX
		DATE OF NAME CHANGE:	20000126
</SEC-HEADER>
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    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Christopher J. Sobecki</signatureName>
        <signatureDate>2019-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
