<SEC-DOCUMENT>0001193125-18-182414-index.html : 20180604
<SEC-HEADER>0001193125-18-182414.hdr.sgml : 20180604
<ACCEPTANCE-DATETIME>20180604061034
ACCESSION NUMBER:		0001193125-18-182414
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20180604
DATE AS OF CHANGE:		20180604
EFFECTIVENESS DATE:		20180604

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LIGAND PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000886163
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				770160744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33093
		FILM NUMBER:		18876783

	BUSINESS ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		STREET 2:		SUITE 110
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-550-7500

	MAIL ADDRESS:	
		STREET 1:		3911 SORRENTO VALLEY BLVD
		STREET 2:		SUITE 110
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d573627ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d573627ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g573627g95o50.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g573627g95o50.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g573627gg573627pc_page1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g573627gg573627pc_page1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g573627hh573627pc_page2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g573627hh573627pc_page2.jpg

</DOCUMENT>
</SEC-DOCUMENT>