Schedule 13G ownership disclosure

IMMUNOGEN INC

Security class unavailable · CUSIP: 45253H101

Event date: 2020-12-31

Legacy cover-page extraction is best effort and may not include every reporting person.

Filing-level shares
22,084,103
Percent of class
11.3400%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000902219-21-000116
Form type
SC 13G
Filer
ImmunoGen, Inc.
CIK
CIK 855654
Filed
Feb 04, 2021
Reporting period
Dec 31, 2020
Description
Schedule 13G beneficial ownership

Explore SEC Filings Hub