0001209191-17-053003.txt : 20170915 0001209191-17-053003.hdr.sgml : 20170915 20170915164220 ACCESSION NUMBER: 0001209191-17-053003 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170913 FILED AS OF DATE: 20170915 DATE AS OF CHANGE: 20170915 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MENDELSOHN JOHN CENTRAL INDEX KEY: 0001234382 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 171088362 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 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2017-09-13 0 0001274792 MERRIMACK PHARMACEUTICALS INC MACK 0001234382 MENDELSOHN JOHN C/O MERRIMACK PHARMACEUTICALS, INC. ONE KENDALL SQUARE, SUITE B7201 CAMBRIDGE MA 02139 1 0 0 0 Stock Option (right to buy) 13.99 2017-09-13 4 A 0 7500 0.00 A 2027-09-12 Common Stock 7500 7500 D This option is fully vested. /s/ Brian J. Kickham, attorney-in-fact 2017-09-15