0000899243-21-023538.txt : 20210614 0000899243-21-023538.hdr.sgml : 20210614 20210614160529 ACCESSION NUMBER: 0000899243-21-023538 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210610 FILED AS OF DATE: 20210614 DATE AS OF CHANGE: 20210614 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RAY RUSSELL T CENTRAL INDEX KEY: 0001225960 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 211014628 MAIL ADDRESS: STREET 1: 2525 DUPONT DR CITY: IRVINE STATE: CA ZIP: 92612 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 BROADWAY STREET 2: 14TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-441-1000 MAIL ADDRESS: STREET 1: ONE BROADWAY STREET 2: 14TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-06-10 0 0001274792 MERRIMACK PHARMACEUTICALS INC MACK 0001225960 RAY RUSSELL T C/O MERRIMACK PHARMACEUTICALS, INC. ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142 1 0 0 0 Stock Option (right to buy) 6.41 2021-06-10 4 A 0 7000 0.00 A 2031-06-09 Common Stock 7000 7000 D This option vests as to 1/4th of the total number of shares on 7/1/21 and an additional 1/4th of the total number of shares at the end of each successive three month period thereafter until 4/1/22. /s/ Russell T. Ray 2021-06-14