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 801-825 of 1,000 matching filings.

Per page
25
Current page
33
8-K File 000-17999

8-K

Filing date
27 Oct 2015
Reporting date
27 Oct 2015
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8-K File 000-17999

8-K

Filing date
22 Oct 2015
Reporting date
22 Oct 2015
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ARS File 000-17999

AUTO-GENERATED PAPER DOCUMENT

Filing date
02 Oct 2015
Reporting date
30 Jun 2015
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4

FORM 4 -

Filing date
02 Oct 2015
Reporting date
01 Oct 2015
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4

FORM 4 -

Filing date
01 Oct 2015
Reporting date
30 Sep 2015
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4

FORM 4 -

Filing date
01 Oct 2015
Reporting date
30 Sep 2015
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DEFA14A File 000-17999

DEFA14A

Filing date
30 Sep 2015
Reporting date
Not listed
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DEF 14A File 000-17999

DEF 14A

Filing date
30 Sep 2015
Reporting date
10 Nov 2015
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4

4

Filing date
21 Sep 2015
Reporting date
17 Sep 2015
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4

FORM 4 -

Filing date
09 Sep 2015
Reporting date
09 Sep 2015
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4

FORM 4 -

Filing date
01 Sep 2015
Reporting date
01 Sep 2015
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4

FORM 4 -

Filing date
01 Sep 2015
Reporting date
01 Sep 2015
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CT ORDER File 000-17999

CT ORDER filing

Filing date
27 Aug 2015
Reporting date
Not listed
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S-3ASR File 333-206621

S-3ASR

Filing date
27 Aug 2015
Reporting date
Not listed
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10-Q/A File 000-17999

10-Q/A

Filing date
19 Aug 2015
Reporting date
31 Mar 2015
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4

FORM 4 -

Filing date
18 Aug 2015
Reporting date
17 Aug 2015
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4

FORM 4 -

Filing date
04 Aug 2015
Reporting date
03 Aug 2015
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4

FORM 4 -

Filing date
04 Aug 2015
Reporting date
03 Aug 2015
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4

FORM 4 -

Filing date
04 Aug 2015
Reporting date
03 Aug 2015
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8-K File 000-17999

8-K

Filing date
31 Jul 2015
Reporting date
31 Jul 2015
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CT ORDER File 000-17999

CT ORDER filing

Filing date
21 Jul 2015
Reporting date
Not listed
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4

FORM 4 -

Filing date
14 Jul 2015
Reporting date
13 Jul 2015
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4

FORM 4 -

Filing date
14 Jul 2015
Reporting date
13 Jul 2015
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4

FORM 4 -

Filing date
14 Jul 2015
Reporting date
13 Jul 2015
SEC evidence
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