SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): January 15, 2015
Merrimack Pharmaceuticals, Inc.
(Exact Name of Registrant as Specified in its Charter)
(State or Other Jurisdiction
One Kendall Square, Suite B7201
|(Address of Principal Executive Offices)||(Zip Code)|
Registrants telephone number, including area code: (617) 441-1000
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
|¨||Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)|
|¨||Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)|
|¨||Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))|
|¨||Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))|
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
(b) On January 15, 2015, Ulrik B. Nielsen provided notice of his resignation as Senior Vice President and Chief Scientific Officer of Merrimack Pharmaceuticals, Inc. (the Company), effective as of January 30, 2015.
On January 19, 2015, Anthony J. Sinskey provided notice of his resignation from the Companys Board of Directors (the Board), effective as of January 30, 2015. Dr. Sinskey will continue to serve the Company as a scientific advisor.
(d) On January 20, 2015, the Board elected Dr. Nielsen as a director of the Company, effective as of January 30, 2015, to fill the vacancy created by the resignation of Dr. Sinskey.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
|MERRIMACK PHARMACEUTICALS, INC.|
|Date: January 22, 2015||By:|
|Jeffrey A. Munsie|
|Vice President and General Counsel|