<SEC-DOCUMENT>0001104659-24-014714-index.html : 20240212
<SEC-HEADER>0001104659-24-014714.hdr.sgml : 20240212
<ACCEPTANCE-DATETIME>20240212164536
ACCESSION NUMBER:		0001104659-24-014714
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240212
FILED AS OF DATE:		20240212
DATE AS OF CHANGE:		20240212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wallace Richard John
		CENTRAL INDEX KEY:			0001357149
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17999
		FILM NUMBER:		24620750

	MAIL ADDRESS:	
		STREET 1:		1578 SE BALLANTRAE COURT
		CITY:			PORT SAINT LUCIE
		STATE:			FL
		ZIP:			34952

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ImmunoGen, Inc.
		CENTRAL INDEX KEY:			0000855654
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				042726691
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		830 WINTER ST
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		(781)895-0600

	MAIL ADDRESS:	
		STREET 1:		830 WINTER ST
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMMUNOGEN INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>tm245865-12_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm245865-12_4seq1.html

Document 1 - RAW XML: tm245865-12_4seq1.xml

</DOCUMENT>
</SEC-DOCUMENT>