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Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses:
SEC Accession No. 0001104659-21-145578
Filing Date
2021-12-02
Accepted
2021-12-01 18:52:36
Documents
2

Document Format Files

Seq Description Document Type Size
1 FWP tm2134080d3_fwp.htm FWP 29194
2 GRAPHIC tm2134080d3_fwpimg001.jpg GRAPHIC 8191
  Complete submission text file 0001104659-21-145578.txt   42264
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Filed by) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: FWP
SIC: 2834 Pharmaceutical Preparations
Office of Life Sciences

Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Subject) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: FWP | Act: 34 | File No.: 333-251502 | Film No.: 211464323
SIC: 2834 Pharmaceutical Preparations
Office of Life Sciences