0001209191-19-036109.txt : 20190611 0001209191-19-036109.hdr.sgml : 20190611 20190611164905 ACCESSION NUMBER: 0001209191-19-036109 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190607 FILED AS OF DATE: 20190611 DATE AS OF CHANGE: 20190611 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MOTT DAVID M CENTRAL INDEX KEY: 0001219871 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 19891466 MAIL ADDRESS: STREET 1: 1119 ST. PAUL STREET CITY: BALTIMORE STATE: MD ZIP: 21202 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 2019-06-07 0 0001442836 Mersana Therapeutics, Inc. MRSN 0001219871 MOTT DAVID M 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 1 0 1 0 Stock Option (right to buy) 4.31 2019-06-07 4 A 0 25000 0.00 A 2029-06-07 Common Stock 25000 25000 D The option vests in full on the earlier of the first anniversary of the date of grant or the date of the 2020 Annual Meeting of Stockholders of Mersana Therapeutics, Inc. /s/ Sasha Keough, Attorney-in-Fact 2019-06-11