<SEC-DOCUMENT>0001415889-23-000101-index.html : 20230103
<SEC-HEADER>0001415889-23-000101.hdr.sgml : 20230103
<ACCEPTANCE-DATETIME>20230103171827
ACCESSION NUMBER:		0001415889-23-000101
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221230
FILED AS OF DATE:		20230103
DATE AS OF CHANGE:		20230103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lentini Renee
		CENTRAL INDEX KEY:			0001838777

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17999
		FILM NUMBER:		23503264

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

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ImmunoGen, Inc.
		CENTRAL INDEX KEY:			0000855654
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-01032023_100114.xml
<TEXT>
Document 1 - file: form4-01032023_100114.html

Document 1 - RAW XML: form4-01032023_100114.xml

</DOCUMENT>
</SEC-DOCUMENT>