0001209191-19-028674.txt : 20190510 0001209191-19-028674.hdr.sgml : 20190510 20190510073926 ACCESSION NUMBER: 0001209191-19-028674 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190508 FILED AS OF DATE: 20190510 DATE AS OF CHANGE: 20190510 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Peters Richard CENTRAL INDEX KEY: 0001697628 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 19812865 MAIL ADDRESS: STREET 1: MERRIMACK PHARMACEUTICALS, INC. STREET 2: ONE KENDALL SQUARE, SUITE B7201 CITY: CAMBRIDGE STATE: MA ZIP: 02139 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 2019-05-08 0 0001274792 MERRIMACK PHARMACEUTICALS INC MACK 0001697628 Peters Richard C/O MERRIMACK PHARMACEUTICALS, INC. ONE KENDALL SQUARE, SUITE B7201 CAMBRIDGE MA 02139 1 1 0 0 President and CEO Stock Option (right to buy) 10.74 2019-05-08 4 J 0 25000 0.00 D 2028-02-14 Common Stock 25000 200000 D Stock Option (right to buy) 4.15 2019-05-08 4 J 0 225000 0.00 D 2028-12-10 Common Stock 225000 0 D An option to purchase 225,000 shares was originally granted to the Reporting Person on February 15, 2018. 25,000 shares underlying this option were rescinded on May 8, 2019. This option vested as to 1/12th of the total number of shares originally granted on 5/15/18 and an additional 1/12th of the total number of shares originally granted at the end of each successive three month period thereafter until 2/15/21. An option to purchase 225,000 shares was originally granted to the Reporting Person on December 11, 2018. This option was rescinded in full on May 8, 2019. The original vesting schedule for this option was 1/12th of the total number of shares granted on 3/11/19 and an additional 1/12th of the total number of shares granted at the end of each successive three month period thereafter until 12/11/21. /s/ Brian J. Kickham, attorney-in-fact 2019-05-10