Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001104659-21-024223
Filing Date
2021-02-16
Accepted
2021-02-16 16:39:35
Documents
1
Group Members
PETER KOLCHINSKYRA CAPITAL HEALTHCARE FUND, L.P.RAJEEV SHAH

Document Format Files

Seq Description Document Type Size
1 SC 13G tm216584d14_sc13g.htm SC 13G 84224
  Complete submission text file 0001104659-21-024223.txt   85950
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)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-40774 | Film No.: 21639674
SIC: 2834 Pharmaceutical Preparations

Mailing Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 617-778-2500
RA CAPITAL MANAGEMENT, L.P. (Filed by) CIK: 0001346824 (see all company filings)

EIN.: 830406777 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G