MERRIMACK PHARMACEUTICALS INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Cambridge, MA
SEC filing record 1 source field available
Fiscal year end
31 December
MERRIMACK PHARMACEUTICALS INC has filed 807 SEC EDGAR filings since 29 Dec 2003

SEC filing history

Showing 176-200 of 802 matching filings.

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25
Current page
8
4

FORM 4 SUBMISSION

Filing date
08 Apr 2020
Reporting date
07 Apr 2020
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4

FORM 4 SUBMISSION

Filing date
08 Apr 2020
Reporting date
07 Apr 2020
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2020
Reporting date
03 Apr 2020
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2020
Reporting date
03 Apr 2020
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8-K File 001-35409

8-K

Filing date
30 Mar 2020
Reporting date
27 Mar 2020
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S-8 File 333-237155

S-8

Filing date
13 Mar 2020
Reporting date
Not listed
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8-K File 001-35409

8-K

Filing date
21 Feb 2020
Reporting date
19 Feb 2020
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SC 13G/A File 005-86778

AMENDMENT NO 2 TO THE SCHEDULE 13G

Filing date
14 Feb 2020
Reporting date
Not listed
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SC 13G File 005-86778

SC 13G

Filing date
14 Feb 2020
Reporting date
Not listed
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SC 13G File 005-86778

SCHEDULE 13G

Filing date
12 Feb 2020
Reporting date
Not listed
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8-A12G File 000-56127

8-A12G

Filing date
03 Dec 2019
Reporting date
Not listed
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8-K File 001-35409

8-K

Filing date
03 Dec 2019
Reporting date
03 Dec 2019
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SC 13D/A File 005-86778

AMENDMENT NO. 6 TO THE SCHEDULE 13D

Filing date
19 Nov 2019
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
21 Oct 2019
Reporting date
17 Oct 2019
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4

FORM 4 SUBMISSION

Filing date
21 Oct 2019
Reporting date
17 Oct 2019
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
21 Oct 2019
Reporting date
17 Oct 2019
SEC evidence
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8-K File 001-35409

8-K

Filing date
21 Oct 2019
Reporting date
17 Oct 2019
SEC evidence
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SC 13D/A File 005-86778

SC 13D/A

Filing date
30 Sep 2019
Reporting date
Not listed
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SC 13D/A File 005-86778

SC 13D/A

Filing date
30 Sep 2019
Reporting date
Not listed
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3

FORM 3 SUBMISSION

Filing date
27 Sep 2019
Reporting date
18 Sep 2019
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3

FORM 3 SUBMISSION

Filing date
27 Sep 2019
Reporting date
18 Sep 2019
SEC evidence
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CORRESP

CORRESP filing

Filing date
26 Sep 2019
Reporting date
Not listed
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DEF 14A File 001-35409

DEF 14A

Filing date
26 Sep 2019
Reporting date
17 Oct 2019
SEC evidence
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