0001104659-20-004761.txt : 20200116 0001104659-20-004761.hdr.sgml : 20200116 20200116163159 ACCESSION NUMBER: 0001104659-20-004761 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200115 FILED AS OF DATE: 20200116 DATE AS OF CHANGE: 20200116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Kaufman Michael J. CENTRAL INDEX KEY: 0001709996 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20531340 MAIL ADDRESS: STREET 1: 840 MEMORIAL DRIVE CITY: CAMBRIDGE STATE: MA ZIP: 02139 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 a4.xml 4 X0306 4 2020-01-15 0 0001442836 Mersana Therapeutics, Inc. MRSN 0001709996 Kaufman Michael J. C/O MERSANA THERAPEUTICS, INC. 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 0 1 0 0 Sr., VP, CHEM., MFG,Controls Stock Option (right to buy) 6.16 2020-01-15 4 A 0 120000 0 A 2030-01-15 Common Stock 120000 120000 D Restricted Stock Units 2020-01-15 4 A 0 26667 0 A Common Stock 26667 26667 D The options vest in equal quarterly installments over the first four years after the vesting commencement date, January 15, 2020. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock upon vesting. The restricted stock units vest in equal annual installments over the first four years after the vesting commencement date, January 15, 2020. /s/ Eva Jack, as Attorney-in-Fact 2020-01-16