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 210 matching filings.

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25
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5
8-K File 000-17999

8-K

Filing date
06 Oct 2017
Reporting date
05 Oct 2017
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8-K File 000-17999

8-K

Filing date
04 Oct 2017
Reporting date
04 Oct 2017
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8-K File 000-17999

8-K

Filing date
26 Sep 2017
Reporting date
25 Sep 2017
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8-K File 000-17999

8-K

Filing date
12 Sep 2017
Reporting date
06 Sep 2017
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8-K File 000-17999

8-K

Filing date
01 Sep 2017
Reporting date
31 Aug 2017
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8-K File 000-17999

8-K

Filing date
29 Aug 2017
Reporting date
28 Aug 2017
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8-K File 000-17999

8-K

Filing date
16 Jun 2017
Reporting date
13 Jun 2017
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8-K File 000-17999

8-K

Filing date
30 May 2017
Reporting date
26 May 2017
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8-K File 000-17999

8-K

Filing date
23 May 2017
Reporting date
23 May 2017
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8-K File 000-17999

8-K

Filing date
05 May 2017
Reporting date
05 May 2017
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8-K File 000-17999

8-K

Filing date
05 Apr 2017
Reporting date
31 Mar 2017
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8-K File 000-17999

8-K

Filing date
17 Feb 2017
Reporting date
17 Feb 2017
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8-K File 000-17999

8-K

Filing date
23 Jan 2017
Reporting date
17 Jan 2017
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8-K File 000-17999

8-K

Filing date
12 Jan 2017
Reporting date
11 Jan 2017
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8-K File 000-17999

8-K

Filing date
04 Jan 2017
Reporting date
01 Jan 2017
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8-K File 000-17999

8-K

Filing date
13 Dec 2016
Reporting date
09 Dec 2016
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8-K/A File 000-17999

8-K/A

Filing date
04 Nov 2016
Reporting date
23 Sep 2016
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8-K File 000-17999

8-K

Filing date
28 Oct 2016
Reporting date
28 Oct 2016
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8-K File 000-17999

8-K

Filing date
29 Sep 2016
Reporting date
23 Sep 2016
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8-K File 000-17999

8-K

Filing date
16 Sep 2016
Reporting date
14 Sep 2016
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8-K File 000-17999

8-K

Filing date
25 Aug 2016
Reporting date
25 Aug 2016
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8-K File 000-17999

8-K

Filing date
17 Aug 2016
Reporting date
12 Aug 2016
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8-K File 000-17999

8-K

Filing date
09 Aug 2016
Reporting date
04 Aug 2016
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8-K File 000-17999

8-K

Filing date
04 Aug 2016
Reporting date
04 Aug 2016
SEC evidence
Open document Open filing
Next action
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