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 101-125 of 1,000 matching filings.

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4 filing

Filing date
08 Nov 2023
Reporting date
07 Nov 2023
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4 filing

Filing date
08 Nov 2023
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06 Nov 2023
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4

4 filing

Filing date
08 Nov 2023
Reporting date
07 Nov 2023
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144 File 000-17999

144 filing

Filing date
07 Nov 2023
Reporting date
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144 File 000-17999

144 filing

Filing date
06 Nov 2023
Reporting date
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144 File 000-17999

144 filing

Filing date
02 Nov 2023
Reporting date
Not listed
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4

4 filing

Filing date
01 Nov 2023
Reporting date
30 Oct 2023
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144 File 000-17999

144 filing

Filing date
30 Oct 2023
Reporting date
Not listed
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4

4 filing

Filing date
18 Oct 2023
Reporting date
16 Oct 2023
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144 File 000-17999

144 filing

Filing date
16 Oct 2023
Reporting date
Not listed
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4

4 filing

Filing date
02 Oct 2023
Reporting date
29 Sep 2023
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4

4 filing

Filing date
02 Oct 2023
Reporting date
29 Sep 2023
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4

4 filing

Filing date
02 Oct 2023
Reporting date
29 Sep 2023
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4

4 filing

Filing date
26 Sep 2023
Reporting date
22 Sep 2023
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4

4 filing

Filing date
19 Sep 2023
Reporting date
18 Sep 2023
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3

3 filing

Filing date
19 Sep 2023
Reporting date
18 Sep 2023
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4

4 filing

Filing date
19 Sep 2023
Reporting date
15 Sep 2023
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144 File 000-17999

144 filing

Filing date
19 Sep 2023
Reporting date
Not listed
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144 File 000-17999

144 filing

Filing date
18 Sep 2023
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144 File 000-17999

144 filing

Filing date
15 Sep 2023
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Not listed
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4

4 filing

Filing date
14 Sep 2023
Reporting date
13 Sep 2023
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4

4 filing

Filing date
14 Sep 2023
Reporting date
13 Sep 2023
SEC evidence
Open document Open filing
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