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 51-75 of 802 matching filings.

Per page
25
Current page
3
4/A

FORM 4/A SUBMISSION

Filing date
01 Mar 2023
Reporting date
30 Jan 2023
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SC 13G/A File 005-86778

SCHEDULE 13G/A, AMENDMENT #1

Filing date
14 Feb 2023
Reporting date
Not listed
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SC 13G/A File 005-86778

AMENDMENT NO. 3 TO THE SCHEDULE 13G

Filing date
13 Feb 2023
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
01 Feb 2023
Reporting date
30 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
31 Jan 2023
Reporting date
27 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
17 Jan 2023
Reporting date
12 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
09 Jan 2023
Reporting date
06 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
04 Jan 2023
Reporting date
03 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
03 Jan 2023
Reporting date
29 Dec 2022
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S-8 File 333-268609

S-8

Filing date
30 Nov 2022
Reporting date
Not listed
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SC 13G File 005-86778

SCHEDULE 13G

Filing date
04 Aug 2022
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
15 Jul 2022
Reporting date
13 Jul 2022
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4

FORM 4 SUBMISSION

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
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4

FORM 4 SUBMISSION

Filing date
11 Jul 2022
Reporting date
07 Jul 2022
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4

FORM 4 SUBMISSION

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
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4

FORM 4 SUBMISSION

Filing date
27 Jun 2022
Reporting date
23 Jun 2022
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