MERRIMACK PHARMACEUTICALS INC reports

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

MERRIMACK PHARMACEUTICALS INC has filed 807 SEC EDGAR filings since 29 Dec 2003

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SEC filing history

Showing 126-150 of 802 matching filings.

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25

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6

4

FORM 4 SUBMISSION

Filing date: 14 Jun 2021
Reporting date: 10 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-35409

10-Q

Filing date: 06 May 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

DEF 14A File 001-35409

DEF 14A

Filing date: 22 Apr 2021
Reporting date: 10 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 16 Apr 2021
Reporting date: 14 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 15 Apr 2021
Reporting date: 13 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Apr 2021
Reporting date: 12 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Apr 2021
Reporting date: 12 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 12 Apr 2021
Reporting date: 09 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 09 Apr 2021
Reporting date: 07 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 01 Apr 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Mar 2021
Reporting date: 25 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 25 Mar 2021
Reporting date: 23 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Mar 2021
Reporting date: 16 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-35409

8-K

Filing date: 11 Mar 2021
Reporting date: 10 Mar 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-K File 001-35409

10-K

Filing date: 10 Mar 2021
Reporting date: 31 Dec 2020
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Mar 2021
Reporting date: 23 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Feb 2021
Reporting date: 12 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 12 Feb 2021
Reporting date: 10 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-86778

SEC SCHEDULE 13G

Filing date: 12 Feb 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-86778

AMENDMENT NO. 1

Filing date: 12 Feb 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-86778

SCHEDULE 13G/A

Filing date: 12 Feb 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Dec 2020
Reporting date: 01 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-86778

SC 13D/A

Filing date: 03 Dec 2020
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-86778

SC 13D/A

Filing date: 02 Dec 2020
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 27 Nov 2020
Reporting date: 24 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

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