EDGAR Filing Documents for 0001179110-15-011645

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0001179110-15-011645

Filing Date

2015-08-04

Accepted

2015-08-04 11:44:40

Documents

Period of Report

2015-08-03

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 4 -	edgar.html	4
1	FORM 4 -	edgar.xml	4	6960
	Complete submission text file	0001179110-15-011645.txt		8267

Mailing Address 830 WINTER ST WALTHAM MA 02451

Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0630
SIC: 2834 Pharmaceutical Preparations

Mailing Address C/O IMMUNOGEN, INC. 830 WINTER STREET WALTHAM MA 02451

Business Address

Type: 4 | Act: 34 | File No.: 000-17999 | Film No.: 151024582