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 926-950 of 1,000 matching filings.

Per page
25
Current page
38
SC 13G/A File 005-40774

SC 13G/A filing

Filing date
29 Jan 2014
Reporting date
Not listed
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4

FORM 4 -

Filing date
23 Jan 2014
Reporting date
21 Jan 2014
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4

FORM 4 -

Filing date
13 Jan 2014
Reporting date
10 Jan 2014
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3

FORM 3 -

Filing date
06 Jan 2014
Reporting date
30 Dec 2013
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4

FORM 4 -

Filing date
06 Jan 2014
Reporting date
02 Jan 2014
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4

FORM 4 -

Filing date
02 Jan 2014
Reporting date
31 Dec 2013
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4

FORM 4 -

Filing date
02 Jan 2014
Reporting date
31 Dec 2013
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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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4

FORM 4 -

Filing date
27 Dec 2013
Reporting date
26 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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4

FORM 4 -

Filing date
12 Dec 2013
Reporting date
10 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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SC 13G/A File 005-40774

NONE

Filing date
09 Dec 2013
Reporting date
Not listed
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4

FORM 4 -

Filing date
03 Dec 2013
Reporting date
02 Dec 2013
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4

FORM 4 -

Filing date
27 Nov 2013
Reporting date
26 Nov 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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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
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4

FORM 4 -

Filing date
13 Nov 2013
Reporting date
12 Nov 2013
SEC evidence
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