MERRIMACK PHARMACEUTICALS INC

Pharmaceutical Preparations·CAMBRIDGE, MA

Merrimack Pharmaceuticals, Inc. is a pharmaceutical company based in Cambridge, Massachusetts, United States.

Financials

20 shown

Type	Period	Ended	Filed
10-Q	Q1 2024	3/31/24	5/15/24	→
10-K/A	FY 2023	12/31/23	3/21/24	→
10-K	FY 2023	12/31/23	3/7/24	→
10-Q	Q3 2023	9/30/23	11/2/23	→
10-Q	Q2 2023	6/30/23	8/3/23	→
10-Q	Q1 2023	3/31/23	5/4/23	→
↓

Earnings Releases (8-K)

12 shown

Filed	Period
5/10/19	Q2 FY2019	→
3/6/19	Q1 FY2019	→
11/7/18	Q4 FY2018	→
8/7/18	Q3 FY2018	→
5/8/18	Q2 FY2018	→
3/12/18	Q1 FY2018	→
↓

News (8-K)

68 shown

Filed	Type	Description
5/10/24	Reg FD	Submission of Matters to a Vote of Security Holders	→
5/9/24	Reg FD	Regulation FD Disclosure	→
4/30/24	Delisting	Notice of Delisting or Failure to Satisfy a Continued Listing Rule	→
3/27/24	Reg FD	Regulation FD Disclosure	→
3/7/24	Reg FD	Regulation FD Disclosure	→
2/13/24	Reg FD	Regulation FD Disclosure	→
↓

Prospectuses & Registrations

28 shown

Filed	Form	Description
11/30/22	S-8	S-8	→
3/13/20	S-8	S-8	→
3/6/19	S-8	S-8	→
3/12/18	S-8	S-8	→
12/15/17	S-3	S-3	→
2/26/16	S-8	S-8	→
↓

Filing History(807 filings)

TypeDateAccessionPeriodSize

15-12G

May 20, 2024

0001193125-24-14283715-12G

—

11.6 KB

10-Q

May 15, 2024

0000950170-24-06047810-Q

Mar 31, 2024

3.3 MB

May 10, 2024

0001193125-24-136243FORM 25

—

11.8 KB

8-K

May 10, 2024

0001193125-24-136237FORM 8-K

May 10, 2024

185.3 KB

DEFA14A

May 9, 2024

0001193125-24-134775DEFA14A

—

55.6 KB

8-K

May 9, 2024

0001193125-24-134773FORM 8-K

May 8, 2024

193.0 KB

DEFA14A

Apr 30, 2024

0001193125-24-125372DEFA14A

—

57.8 KB

8-K

Apr 30, 2024

0001193125-24-1253678-K

Apr 30, 2024

196.6 KB

DEFR14A

Apr 1, 2024

0001193125-24-083441DEFR14A

—

605.5 KB

DEFA14A

Mar 27, 2024

0001193125-24-078920DEFA14A

—

52.6 KB

8-K

Mar 27, 2024

0001193125-24-0789108-K

Mar 27, 2024

189.5 KB

DEFA14A

Mar 22, 2024

0001193125-24-074722DEFA14A

—

55.6 KB

DEF 14A

Mar 21, 2024

0001193125-24-073941DEF 14A

May 10, 2024

947.9 KB

10-K/A

Mar 21, 2024

0001193125-24-07392910-K/A

Dec 31, 2023

447.6 KB

425

Mar 7, 2024

0001193125-24-062268425

—

48.7 KB

8-K

Mar 7, 2024

0001193125-24-0622608-K

Mar 7, 2024

183.1 KB

10-K

Mar 7, 2024

0000950170-24-02796610-K

Dec 31, 2023

4.9 MB

SC 13G/A

Mar 7, 2024

0001086364-24-007251

—

12.1 KB

PRE 14A

Mar 5, 2024

0001193125-24-059357PRE 14A

Mar 5, 2024

1.1 MB

SCHEDULE 13G

Feb 22, 2024

0001758866-24-000002

—

15.2 KB

SC 13G/A

Feb 14, 2024

0000921895-24-000491AMENDMENT NO. 4 TO THE SCHEDULE 13G

—

150.3 KB

DEFA14A

Feb 13, 2024

0001193125-24-033779DEFA14A

—

58.9 KB

8-K

Feb 13, 2024

0001193125-24-0337618-K

Feb 13, 2024

198.2 KB

SC 13G

Jan 31, 2024

0001086364-24-006061

—

13.0 KB

SC 13D/A

Jan 25, 2024

0001493152-24-003744

—

196.2 KB

25 filings shown

MERRIMACK PHARMACEUTICALS INC

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(807 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
5/20/24	15-12G	15-12G	→
5/10/24	25	FORM 25	→
3/7/24	425	425	→
2/22/24	SCHEDULE 13G	SCHEDULE 13G	→
12/3/19	8-A12G	8-A12G	→
9/24/19	DFAN14A	DFAN14A	→
↓