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 151-175 of 1,000 matching filings.

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04 Aug 2023
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02 Aug 2023
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144 File 000-17999

144 filing

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04 Aug 2023
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144 File 000-17999

144 filing

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144 File 000-17999

144 filing

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03 Aug 2023
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144 File 000-17999

144 filing

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02 Aug 2023
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144 File 000-17999

144 filing

Filing date
02 Aug 2023
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144 File 000-17999

144 filing

Filing date
02 Aug 2023
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4

4 filing

Filing date
05 Jul 2023
Reporting date
30 Jun 2023
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30 Jun 2023
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4 filing

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05 Jul 2023
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30 Jun 2023
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05 Jul 2023
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30 Jun 2023
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05 Jul 2023
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30 Jun 2023
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05 Jul 2023
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05 Jul 2023
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30 Jun 2023
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4 filing

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
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4 filing

Filing date
16 Jun 2023
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14 Jun 2023
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4 filing

Filing date
16 Jun 2023
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14 Jun 2023
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4 filing

Filing date
16 Jun 2023
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14 Jun 2023
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4 filing

Filing date
16 Jun 2023
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14 Jun 2023
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4 filing

Filing date
16 Jun 2023
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14 Jun 2023
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4

4 filing

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
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