4
FORM 4 -
- Filing date
- 04 Apr 2017
- Reporting date
- 31 Mar 2017
- SEC evidence
- Open document Open filing
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- Verify source filing
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 676-700 of 1,000 matching filings.
Per page
25
Current page
28
4
FORM 4 -
- Filing date
- 04 Apr 2017
- Reporting date
- 31 Mar 2017
- SEC evidence
- Open document Open filing
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4
FORM 4 -
- Filing date
- 04 Apr 2017
- Reporting date
- 31 Mar 2017
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-40774
SC 13G/A
- Filing date
- 06 Mar 2017
- Reporting date
- Not listed
- SEC evidence
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S-3
File 333-216438
S-3
- Filing date
- 03 Mar 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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10-KT
File 000-17999
10-KT filing
- Filing date
- 03 Mar 2017
- Reporting date
- 31 Dec 2016
- SEC evidence
- Open document Open filing Open XBRL
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4
FORM 4 -
- Filing date
- 24 Feb 2017
- Reporting date
- 23 Feb 2017
- SEC evidence
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 21 Feb 2017
- SEC evidence
- Open document Open filing
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 21 Feb 2017
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- Open document Open filing
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 22 Feb 2017
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- Open document Open filing
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 21 Feb 2017
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 21 Feb 2017
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- Open document Open filing
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 21 Feb 2017
- SEC evidence
- Open document Open filing
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4
FORM 4 -
- Filing date
- 23 Feb 2017
- Reporting date
- 21 Feb 2017
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 17 Feb 2017
- Reporting date
- 17 Feb 2017
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-40774
SC 13G/A
- Filing date
- 14 Feb 2017
- Reporting date
- Not listed
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SC 13G/A
File 005-40774
NONE
- Filing date
- 14 Feb 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-40774
13G/A
- Filing date
- 13 Feb 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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SC 13G/A
File 005-40774
SC 13G/A filing
- Filing date
- 10 Feb 2017
- Reporting date
- Not listed
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SC 13G/A
File 005-40774
SC 13G/A
- Filing date
- 09 Feb 2017
- Reporting date
- Not listed
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SC 13G/A
File 005-40774
SC 13G/A filing
- Filing date
- 25 Jan 2017
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
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8-K
File 000-17999
8-K
- Filing date
- 23 Jan 2017
- Reporting date
- 17 Jan 2017
- SEC evidence
- Open document Open filing
- Next action
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8-K
File 000-17999
8-K
- Filing date
- 12 Jan 2017
- Reporting date
- 11 Jan 2017
- SEC evidence
- Open document Open filing
- Next action
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8-K
File 000-17999
8-K
- Filing date
- 04 Jan 2017
- Reporting date
- 01 Jan 2017
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
FORM 4 -
- Filing date
- 03 Jan 2017
- Reporting date
- 03 Jan 2017
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing