0000921895-19-000848.txt : 20190320 0000921895-19-000848.hdr.sgml : 20190320 20190320194123 ACCESSION NUMBER: 0000921895-19-000848 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190313 FILED AS OF DATE: 20190320 DATE AS OF CHANGE: 20190320 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: 22NW, LP CENTRAL INDEX KEY: 0001694297 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 19695721 BUSINESS ADDRESS: STREET 1: 1455 NW LEARY WAY, SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 BUSINESS PHONE: 650-862-4295 MAIL ADDRESS: STREET 1: 1455 NW LEARY WAY, SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: 22NW Fund, LP CENTRAL INDEX KEY: 0001640809 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 19695722 BUSINESS ADDRESS: STREET 1: 1455 NW LEARY WAY STREET 2: SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 BUSINESS PHONE: 206-227-3078 MAIL ADDRESS: STREET 1: 1455 NW LEARY WAY STREET 2: SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: 22NW Fund GP, LLC CENTRAL INDEX KEY: 0001770575 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 19695723 BUSINESS ADDRESS: STREET 1: 1455 NW LEARY WAY, SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 BUSINESS PHONE: 206-227-3078 MAIL ADDRESS: STREET 1: 1455 NW LEARY WAY, SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: English Aron R. CENTRAL INDEX KEY: 0001770436 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 19695724 MAIL ADDRESS: STREET 1: 1455 NW LEARY WAY, SUITE 400 CITY: SEATTLE STATE: WA ZIP: 98107 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MERRIMACK PHARMACEUTICALS INC CENTRAL INDEX KEY: 0001274792 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: ONE KENDALL SQUARE STREET 2: SUITE B7201 CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-441-1000 MAIL ADDRESS: STREET 1: ONE KENDALL SQUARE STREET 2: SUITE B7201 CITY: CAMBRIDGE STATE: MA ZIP: 02139 3 1 form310680006_03202019.xml OWNERSHIP DOCUMENT X0206 3 2019-03-13 0 0001274792 MERRIMACK PHARMACEUTICALS INC MACK 0001694297 22NW, LP 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107 0 0 1 1 See Explanation of Responses 0001640809 22NW Fund, LP 1455 NW LEARY WAY SUITE 400 SEATTLE WA 98107 0 0 1 1 See Explanation of Responses 0001770575 22NW Fund GP, LLC 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107 0 0 1 1 See Explanation of Responses 0001770436 English Aron R. 1455 NW LEARY WAY, SUITE 400 SEATTLE WA 98107 0 0 1 1 See Explanation of Responses Common Stock 1092263 I By: 22NW Fund, LP This Form 3 is filed jointly by 22NW Fund, LP ("22NW Fund"), 22NW, LP ("22NW"), 22NW Fund GP, LLC ("22NW GP") and Aron R. English (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. Securities owned directly by 22NW Fund. As the general partner and investment adviser to 22NW Fund, 22NW may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW, 22NW GP may be deemed to beneficially own the securities owned directly by 22NW Fund. Mr. English, as the Portfolio Manager of 22NW and Managing Member of 22NW GP, may be deemed to beneficially own the securities owned directly by 22NW Fund. 22NW Fund, LP; By: 22NW, LP; By: 22NW Fund GP, LLC; By: /s/ Aron R. English, Managing Member 2019-03-20 22NW, LP; By: 22NW Fund GP, LLC; By: /s/ Aron R. English, Managing Member 2019-03-20 22NW Fund GP, LLC; By: /s/ Aron R. English, Managing Member 2019-03-20 /s/ Aron R. English 2019-03-20