ImmunoGen, Inc. reports

Company location: Waltham, MA
Fiscal year end: 31 December

ImmunoGen, Inc. has filed 1,766 SEC EDGAR filings since 14 Feb 1994

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SEC filing history

Showing 726-750 of 1,000 matching filings.

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25

Current page

30

4

FORM 4 -

Filing date: 03 Nov 2016
Reporting date: 02 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 000-17999

DEFA14A

Filing date: 28 Oct 2016
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-17999

DEF 14A

Filing date: 28 Oct 2016
Reporting date: 09 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 28 Oct 2016
Reporting date: 28 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Oct 2016
Reporting date: 19 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 03 Oct 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 03 Oct 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 03 Oct 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 29 Sep 2016
Reporting date: 23 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 16 Sep 2016
Reporting date: 14 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 000-17999

10-K

Filing date: 25 Aug 2016
Reporting date: 30 Jun 2016
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 25 Aug 2016
Reporting date: 25 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 17 Aug 2016
Reporting date: 12 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 09 Aug 2016
Reporting date: 04 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-17999

8-K

Filing date: 04 Aug 2016
Reporting date: 04 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 20 Jul 2016
Reporting date: 18 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 06 Jul 2016
Reporting date: 30 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 -

Filing date: 06 Jul 2016
Reporting date: 30 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

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