Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001179110-20-008406
Filing Date
2020-07-22
Accepted
2020-07-22 15:43:46
Documents
2
Period of Report
2020-07-20

Document Format Files

Seq Description Document Type Size
1 FORM 3 - edgar.html 3  
1 FORM 3 - edgar.xml 3 1721
2 POWER OF ATTORNEY altschullerpoa.txt EX-24 3489
  Complete submission text file 0001179110-20-008406.txt   6572
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Issuer) CIK: 0000855654 (see all company filings)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 45 TENNYSON ST. SOMERVILLE MA 02145
Business Address
ALTSCHULLER Susan (Reporting) CIK: 0001817988 (see all company filings)

Type: 3 | Act: 34 | File No.: 000-17999 | Film No.: 201041477