0000899243-19-025794.txt : 20191021 0000899243-19-025794.hdr.sgml : 20191021 20191021080144 ACCESSION NUMBER: 0000899243-19-025794 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20191017 FILED AS OF DATE: 20191021 DATE AS OF CHANGE: 20191021 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Nielsen Ulrik B. CENTRAL INDEX KEY: 0001531962 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 191158787 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 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 2019-10-17 0 0001274792 MERRIMACK PHARMACEUTICALS INC MACK 0001531962 Nielsen Ulrik B. C/O MERRIMACK PHARMACEUTICALS, INC., ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142 1 0 0 0 Stock Option (right to buy) 4.18 2019-10-17 4 A 0 7000 0.00 A 2029-10-16 Common Stock 7000 7000 D This option vests as to 1/4th of the total number of shares on 1/17/20 and an additional 1/4th of the total number of shares at the end of each successive three month period thereafter until 10/17/20, provided that such option shall vest in full on the date that is one business day prior to the date of the issuer's next annual meeting of stockholders (if earlier than 10/17/20). /s/ Ulrik B. Nielsen 2019-10-20