Merrimack Pharmaceuticals, Inc. (NASDAQ:MACK) Files An 8-K Results of Operations and Financial Condition

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Merrimack Pharmaceuticals, Inc. (NASDAQ:MACK) Files An 8-K Results of Operations and Financial Condition

Item 2.02. Results of Operations and Financial Condition.

On May10, 2017, Merrimack Pharmaceuticals, Inc. announced its
financial results for the quarter ended March31, 2017.The full
text of the press release issued in connection with the
announcement is furnished as Exhibit99.1 to this Current Report
on Form8-K.

The information in this Form8-K (including Exhibit99.1) shall not
be deemed filed for purposes of Section18 of the Securities
Exchange Act of 1934, as amended (the Exchange Act), or otherwise
subject to the liabilities of that section, nor shall it be
deemed incorporated by reference in any filing under the
Securities Act of 1933, as amended, or the Exchange Act, except
as expressly set forth by specific reference in such a filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

The following exhibit relating to Item 2.02 shall be deemed to be
furnished, and not filed:

99.1 Press release issued by the Registrant on May10, 2017


About Merrimack Pharmaceuticals, Inc. (NASDAQ:MACK)

Merrimack Pharmaceuticals, Inc. is a biopharmaceutical company. The Company is engaged in discovering, developing and commercializing medicines consisting of therapeutics paired with companion diagnostics for the treatment of cancer. Its therapeutic oncology candidates in clinical development include MM-398, MM-302, MM-121, MM-141 and MM-151. Its ONIVYDE (irinotecan liposome injection), also known as MM-398, is an encapsulation of the marketed chemotherapy drug irinotecan in a liposomal formulation. MM-302 is an antibody drug conjugated liposomal doxorubicin that targets the ErbB2 (HER2) receptor. MM-121 is a fully human monoclonal antibody that targets Erb-B2 Receptor Tyrosine Kinase 3 (ErbB3). MM-141 is a fully human tetravalent bispecific antibody designed to block tumor survival signals by targeting receptor complexes. MM-151 is an oligoclonal therapeutic designed to bind to non-overlapping epitopes of EGFR (ErbB1).

Merrimack Pharmaceuticals, Inc. (NASDAQ:MACK) Recent Trading Information

Merrimack Pharmaceuticals, Inc. (NASDAQ:MACK) closed its last trading session up +0.11 at 3.38 with 1,640,793 shares trading hands.