<SEC-DOCUMENT>0001104659-16-160756-index.html : 20161206 <SEC-HEADER>0001104659-16-160756.hdr.sgml : 20161206 <ACCEPTANCE-DATETIME>20161206095603 ACCESSION NUMBER: 0001104659-16-160756 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20161206 DATE AS OF CHANGE: 20161206 SUBJECT COMPANY: 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: 0630 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-40774 FILM NUMBER: 162035383 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PRIMECAP MANAGEMENT CO/CA/ CENTRAL INDEX KEY: 0000763212 IRS NUMBER: 953868081 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 177 EAST COLORADO BLVD. STREET 2: 11TH FLOOR CITY: PASADENA STATE: CA ZIP: 91105 BUSINESS PHONE: 6263049222 MAIL ADDRESS: STREET 1: 177 EAST COLORADO BLVD. STREET 2: 11TH FLOOR CITY: PASADENA STATE: CA ZIP: 91105 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>a16-22717_1sc13ga.htm <DESCRIPTION>SC 13G/A <TEXT> Document 1 - file: a16-22717_1sc13ga.htm
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