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 210 matching filings.

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25
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7
8-K File 000-17999

8-K

Filing date
07 Oct 2014
Reporting date
03 Oct 2014
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8-K File 000-17999

8-K

Filing date
30 Sep 2014
Reporting date
29 Sep 2014
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8-K File 000-17999

8-K

Filing date
19 Sep 2014
Reporting date
15 Sep 2014
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8-K File 000-17999

8-K

Filing date
18 Sep 2014
Reporting date
17 Sep 2014
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8-K File 000-17999

8-K

Filing date
01 Aug 2014
Reporting date
01 Aug 2014
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8-K File 000-17999

8-K

Filing date
17 Jun 2014
Reporting date
13 Jun 2014
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8-K File 000-17999

8-K

Filing date
16 Jun 2014
Reporting date
10 Jun 2014
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8-K File 000-17999

8-K

Filing date
29 Apr 2014
Reporting date
28 Apr 2014
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8-K File 000-17999

8-K

Filing date
25 Apr 2014
Reporting date
25 Apr 2014
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8-K File 000-17999

8-K

Filing date
31 Jan 2014
Reporting date
31 Jan 2014
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8-K File 000-17999

8-K

Filing date
31 Dec 2013
Reporting date
30 Dec 2013
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8-K File 000-17999

8-K

Filing date
17 Dec 2013
Reporting date
16 Dec 2013
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8-K File 000-17999

8-K

Filing date
13 Dec 2013
Reporting date
09 Dec 2013
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8-K File 000-17999

8-K

Filing date
10 Dec 2013
Reporting date
09 Dec 2013
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8-K File 000-17999

8-K

Filing date
10 Dec 2013
Reporting date
09 Dec 2013
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8-K File 000-17999

8-K

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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8-K File 000-17999

8-K

Filing date
05 Nov 2013
Reporting date
05 Nov 2013
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8-K File 000-17999

8-K

Filing date
25 Oct 2013
Reporting date
25 Oct 2013
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8-K File 000-17999

8-K

Filing date
19 Sep 2013
Reporting date
13 Sep 2013
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8-K File 000-17999

8-K

Filing date
28 Aug 2013
Reporting date
26 Aug 2013
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8-K File 000-17999

8-K

Filing date
27 Aug 2013
Reporting date
27 Aug 2013
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8-K File 000-17999

8-K

Filing date
15 Aug 2013
Reporting date
08 Aug 2013
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8-K File 000-17999

8-K

Filing date
02 Aug 2013
Reporting date
02 Aug 2013
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8-K File 000-17999

8-K

Filing date
07 Jun 2013
Reporting date
03 Jun 2013
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8-K File 000-17999

8-K

Filing date
26 Apr 2013
Reporting date
26 Apr 2013
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