ImmunoGen, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Waltham, MA
SEC filing record 1 source field available
Fiscal year end
31 December
ImmunoGen, Inc. has filed 1,766 SEC EDGAR filings since 14 Feb 1994

SEC filing history

Showing 226-250 of 1,000 matching filings.

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10
4

4 filing

Filing date
27 Dec 2022
Reporting date
20 May 2022
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4

4 filing

Filing date
27 Dec 2022
Reporting date
20 May 2022
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4

4 filing

Filing date
27 Dec 2022
Reporting date
20 May 2022
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4

4 filing

Filing date
27 Dec 2022
Reporting date
20 May 2022
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SC 13G File 005-40774

IMMUNOGEN, INC.

Filing date
27 Dec 2022
Reporting date
Not listed
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4

4 filing

Filing date
30 Nov 2022
Reporting date
30 Nov 2022
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3

3 filing

Filing date
30 Nov 2022
Reporting date
21 Nov 2022
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4

4 filing

Filing date
18 Nov 2022
Reporting date
15 Nov 2022
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4

4 filing

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
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4

4 filing

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
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4

4 filing

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
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S-8 File 333-266452

S-8

Filing date
01 Aug 2022
Reporting date
Not listed
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S-8 File 333-266451

FORM S-8

Filing date
01 Aug 2022
Reporting date
Not listed
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4

4 filing

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
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4

4 filing

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
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4

4 filing

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
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4

4 filing

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
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4

4 filing

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
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