0001209191-18-001959.txt : 20180104 0001209191-18-001959.hdr.sgml : 20180104 20180104163130 ACCESSION NUMBER: 0001209191-18-001959 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180102 FILED AS OF DATE: 20180104 DATE AS OF CHANGE: 20180104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Nayeem Sara M. CENTRAL INDEX KEY: 0001709110 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 18510523 MAIL ADDRESS: STREET 1: 5425 WISCONSIN AVENUE STREET 2: SUITE 800 CITY: CHEVY CHASE STATE: MD ZIP: 20815 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Mersana Therapeutics, Inc. CENTRAL INDEX KEY: 0001442836 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 840 MEMORIAL DRIVE CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-498-0020 MAIL ADDRESS: STREET 1: 840 MEMORIAL DRIVE CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: MERSANA THERAPEUTICS INC DATE OF NAME CHANGE: 20080813 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2018-01-02 0 0001442836 Mersana Therapeutics, Inc. MRSN 0001709110 Nayeem Sara M. 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 1 0 0 0 Stock Option (right to buy) 17.39 2018-01-02 4 A 0 3560 0.00 A 2028-01-02 Common Stock 3560 3560 D The option becomes exercisable in equal quarterly installments on the last day of each calendar quarter of 2018. /s/ Sasha Keough, attorney-in-fact 2018-01-04