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 476-500 of 1,000 matching filings.

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25
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20
4

FORM 4 -

Filing date
01 Jul 2019
Reporting date
30 Jun 2019
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4

FORM 4 -

Filing date
01 Jul 2019
Reporting date
30 Jun 2019
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8-K File 000-17999

8-K

Filing date
27 Jun 2019
Reporting date
26 Jun 2019
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8-K File 000-17999

8-K

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
24 Jun 2019
Reporting date
20 Jun 2019
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8-K File 000-17999

8-K

Filing date
15 May 2019
Reporting date
15 May 2019
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SC 13G/A File 005-40774

MS AMENDMENT

Filing date
09 May 2019
Reporting date
Not listed
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8-K File 000-17999

8-K

Filing date
03 May 2019
Reporting date
03 May 2019
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DEFA14A File 000-17999

DEFA14A

Filing date
30 Apr 2019
Reporting date
Not listed
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DEF 14A File 000-17999

DEF 14A

Filing date
30 Apr 2019
Reporting date
20 Jun 2019
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4

FORM 4 -

Filing date
08 Apr 2019
Reporting date
01 Apr 2019
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4

FORM 4 -

Filing date
01 Apr 2019
Reporting date
31 Mar 2019
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4

FORM 4 -

Filing date
01 Apr 2019
Reporting date
31 Mar 2019
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CT ORDER File 000-17999

CT ORDER filing

Filing date
19 Mar 2019
Reporting date
Not listed
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CT ORDER File 000-17999

CT ORDER filing

Filing date
19 Mar 2019
Reporting date
Not listed
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8-K File 000-17999

8-K

Filing date
01 Mar 2019
Reporting date
27 Feb 2019
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4

FORM 4 -

Filing date
25 Feb 2019
Reporting date
22 Feb 2019
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4

FORM 4 -

Filing date
25 Feb 2019
Reporting date
22 Feb 2019
SEC evidence
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