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 501-525 of 1,000 matching filings.

Per page
25
Current page
21
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
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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
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SC 13G/A File 005-40774

SCHEDULE 13G/A

Filing date
14 Feb 2019
Reporting date
Not listed
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SC 13G/A File 005-40774

NONE

Filing date
14 Feb 2019
Reporting date
Not listed
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SC 13G File 005-40774

IMMUNOGEN, INC.

Filing date
14 Feb 2019
Reporting date
Not listed
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SC 13G/A File 005-40774

SC 13G/A filing

Filing date
12 Feb 2019
Reporting date
Not listed
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8-K File 000-17999

8-K

Filing date
08 Feb 2019
Reporting date
08 Feb 2019
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4

FORM 4 -

Filing date
06 Feb 2019
Reporting date
05 Feb 2019
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SC 13G/A File 005-40774

SC 13G/A filing

Filing date
04 Feb 2019
Reporting date
Not listed
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
Open document Open filing
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Feb 2019
Reporting date
31 Jan 2019
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SC 13G File 005-40774

MS INITIAL

Filing date
11 Jan 2019
Reporting date
Not listed
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8-K/A File 000-17999

8-K/A

Filing date
08 Jan 2019
Reporting date
08 Jan 2019
SEC evidence
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8-K File 000-17999

8-K

Filing date
08 Jan 2019
Reporting date
08 Jan 2019
SEC evidence
Open document Open filing
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8-K File 000-17999

8-K

Filing date
08 Jan 2019
Reporting date
08 Jan 2019
SEC evidence
Open document Open filing
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4

FORM 4 -

Filing date
08 Jan 2019
Reporting date
07 Jan 2019
SEC evidence
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4

FORM 4 -

Filing date
04 Jan 2019
Reporting date
03 Jan 2019
SEC evidence
Open document Open filing
Next action
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