<SEC-DOCUMENT>0000921895-23-001298-index.html : 20230519
<SEC-HEADER>0000921895-23-001298.hdr.sgml : 20230519
<ACCEPTANCE-DATETIME>20230519170319
ACCESSION NUMBER:		0000921895-23-001298
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230517
FILED AS OF DATE:		20230519
DATE AS OF CHANGE:		20230519

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAMPERT MARK N
		CENTRAL INDEX KEY:			0001233840

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941328

	MAIL ADDRESS:	
		STREET 1:		1 SANSOME ST
		STREET 2:		30TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BIOTECHNOLOGY VALUE FUND L P
		CENTRAL INDEX KEY:			0000918923
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941336

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY STREET
		STREET 2:		40TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		3125066500

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY STREET
		STREET 2:		40TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BVF PARTNERS L P/IL
		CENTRAL INDEX KEY:			0001055947

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941337

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY ST.
		STREET 2:		40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		3125066500

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY ST.
		STREET 2:		40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BVF INC/IL
		CENTRAL INDEX KEY:			0001056807
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941329

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY STREET
		STREET 2:		40TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		3125066500

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY STREET
		STREET 2:		40TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BIOTECHNOLOGY VALUE FUND II LP
		CENTRAL INDEX KEY:			0001102444
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941334

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY STREET
		STREET 2:		40TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		3125066500

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY STREET
		STREET 2:		40TH FL
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BVF GP HOLDINGS LLC
		CENTRAL INDEX KEY:			0001803809
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941330

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY ST., 40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		415-525-8830

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY ST., 40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Biotechnology Value Trading Fund OS LP
		CENTRAL INDEX KEY:			0001660683
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941332

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 309 UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		(415) 525-8890

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 309 UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BVF Partners OS Ltd.
		CENTRAL INDEX KEY:			0001660684
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941331

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 309 UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		(415) 525-8890

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 309 UGLAND HOUSE
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BVF I GP LLC
		CENTRAL INDEX KEY:			0001803805
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941335

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY ST., 40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		415-525-8830

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY ST., 40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BVF II GP LLC
		CENTRAL INDEX KEY:			0001803806
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39801
		FILM NUMBER:		23941333

	BUSINESS ADDRESS:	
		STREET 1:		44 MONTGOMERY ST., 40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		415-525-8830

	MAIL ADDRESS:	
		STREET 1:		44 MONTGOMERY ST., 40TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

ISSUER:		

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

	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>
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<TYPE>4
<SEQUENCE>1
<FILENAME>form407422xoma_05192023.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
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Document 1 - file: form407422xoma_05192023.html
Document 1 - RAW XML: form407422xoma_05192023.xml
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