<SEC-DOCUMENT>0001193125-18-106399-index.html : 20180403
<SEC-HEADER>0001193125-18-106399.hdr.sgml : 20180403
<ACCEPTANCE-DATETIME>20180403172402
ACCESSION NUMBER:		0001193125-18-106399
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20180403
DATE AS OF CHANGE:		20180403
EFFECTIVENESS DATE:		20180403

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			XOMA Corp
		CENTRAL INDEX KEY:			0000791908
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				522154066
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14710
		FILM NUMBER:		18734654

	BUSINESS ADDRESS:	
		STREET 1:		2200 POWELL STREET
		STREET 2:		SUITE 310
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		510-204-7239

	MAIL ADDRESS:	
		STREET 1:		2200 POWELL STREET
		STREET 2:		SUITE 310
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XOMA LTD /DE/
		DATE OF NAME CHANGE:	19990107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XOMA CORP /DE/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d523331ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d523331ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g523331aaaa.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g523331aaaa.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g523331snap33.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g523331snap33.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g523331snap332.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g523331snap332.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g523331snap333.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g523331snap333.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g523331snap334.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g523331snap334.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g523331snap335.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g523331snap335.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g523331snap336.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g523331snap336.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g523331snap4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g523331snap4.jpg

</DOCUMENT>
</SEC-DOCUMENT>