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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001104659-24-024000
Filing Date
2024-02-14
Accepted
2024-02-14 17:01:40
Documents
2
Group Members
PETER KOLCHINSKYRA CAPITAL HEALTHCARE FUND, L.P.RAJEEV SHAH

Document Format Files

Seq Description Document Type Size
1 SC 13G/A tm246065d13_sc13ga.htm SC 13G/A 91606
2 EXHIBIT 1 tm246065d13_ex1.htm EX-99.1 9699
  Complete submission text file 0001104659-24-024000.txt   103119
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: SC 13G/A | Act: 34 | File No.: 005-40774 | Film No.: 24640170
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

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)

IRS No.: 830406777 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A