4
FORM 4 -
- Filing date
- 02 Apr 2015
- Reporting date
- 31 Mar 2015
- SEC evidence
- Open document Open filing
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ImmunoGen, Inc. reports
- Company location
- Waltham, MA
- Fiscal year end
- 31 December
Company
Names, identifiers, and filing context for this profile.
1 identity field
SEC filing record 1 source field available
ImmunoGen, Inc. has filed 1,766 SEC EDGAR filings since 14 Feb 1994
SEC filing history
Showing 851-875 of 1,000 matching filings.
Per page
25
Current page
35
4
FORM 4 -
- Filing date
- 02 Apr 2015
- Reporting date
- 01 Apr 2015
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 30 Mar 2015
- Reporting date
- 24 Mar 2015
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- Open document Open filing
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CT ORDER
File 000-17999
CT ORDER filing
- Filing date
- 26 Mar 2015
- Reporting date
- Not listed
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CT ORDER
File 000-17999
CT ORDER filing
- Filing date
- 26 Mar 2015
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 26 Mar 2015
- Reporting date
- 20 Mar 2015
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-40774
SC 13G/A
- Filing date
- 13 Feb 2015
- Reporting date
- Not listed
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SC 13G/A
File 005-40774
SC 13G/A filing
- Filing date
- 13 Feb 2015
- Reporting date
- Not listed
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SC 13G/A
File 005-40774
NONE
- Filing date
- 10 Feb 2015
- Reporting date
- Not listed
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SC 13G/A
File 005-40774
SC 13G/A filing
- Filing date
- 10 Feb 2015
- Reporting date
- Not listed
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10-Q
File 000-17999
10-Q
- Filing date
- 05 Feb 2015
- Reporting date
- 31 Dec 2014
- SEC evidence
- Open document Open filing Open XBRL
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8-K
File 000-17999
8-K
- Filing date
- 30 Jan 2015
- Reporting date
- 30 Jan 2015
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-40774
SC 13G/A filing
- Filing date
- 29 Jan 2015
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 14 Jan 2015
- Reporting date
- 13 Jan 2015
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 12 Jan 2015
- Reporting date
- 11 Jan 2015
- SEC evidence
- Open document Open filing
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3
FORM 3 -
- Filing date
- 07 Jan 2015
- Reporting date
- 05 Jan 2015
- SEC evidence
- Open document Open filing
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4
FORM 4 -
- Filing date
- 02 Jan 2015
- Reporting date
- 31 Dec 2014
- SEC evidence
- Open document Open filing
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CT ORDER
File 000-17999
CT ORDER filing
- Filing date
- 17 Dec 2014
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 15 Dec 2014
- Reporting date
- 11 Dec 2014
- SEC evidence
- Open document Open filing
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4
FORM 4 -
- Filing date
- 02 Dec 2014
- Reporting date
- 28 Nov 2014
- SEC evidence
- Open document Open filing
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S-8
File 333-200432
8-K
- Filing date
- 21 Nov 2014
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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S-8 POS
File 333-75372
S-8 POS
- Filing date
- 21 Nov 2014
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
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8-K
File 000-17999
8-K
- Filing date
- 13 Nov 2014
- Reporting date
- 11 Nov 2014
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
FORM 4 -
- Filing date
- 12 Nov 2014
- Reporting date
- 11 Nov 2014
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
FORM 4 -
- Filing date
- 12 Nov 2014
- Reporting date
- 11 Nov 2014
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing