<SEC-DOCUMENT>0000921895-21-000512-index.html : 20210219
<SEC-HEADER>0000921895-21-000512.hdr.sgml : 20210219
<ACCEPTANCE-DATETIME>20210219171421
ACCESSION NUMBER:		0000921895-21-000512
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210217
FILED AS OF DATE:		20210219
DATE AS OF CHANGE:		20210219

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:	000-31141
		FILM NUMBER:		21657110

	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:			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:	000-31141
		FILM NUMBER:		21657111

	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:	000-31141
		FILM NUMBER:		21657112

	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 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:	000-31141
		FILM NUMBER:		21657113

	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:			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:	000-31141
		FILM NUMBER:		21657114

	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 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:	000-31141
		FILM NUMBER:		21657115

	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 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:	000-31141
		FILM NUMBER:		21657116

	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 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:	000-31141
		FILM NUMBER:		21657117

	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 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:	000-31141
		FILM NUMBER:		21657118

	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:	000-31141
		FILM NUMBER:		21657119

	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

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INFINITY PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0001113148
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330655706
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1100 MASSACHUSETTS AVENUE
		STREET 2:		FLOOR 4
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02138
		BUSINESS PHONE:		6174531000

	MAIL ADDRESS:	
		STREET 1:		1100 MASSACHUSETTS AVENUE
		STREET 2:		FLOOR 4
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02138

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INFINITY PHARMACEUTICALS, INC./NEW/
		DATE OF NAME CHANGE:	20060913

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DISCOVERY PARTNERS INTERNATIONAL INC
		DATE OF NAME CHANGE:	20000428
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form407422infi_02192021.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: form407422infi_02192021.html
Document 1 - RAW XML: form407422infi_02192021.xml
</DOCUMENT> </SEC-DOCUMENT>