0001104659-23-099019.txt : 20230907 0001104659-23-099019.hdr.sgml : 20230907 20230907175334 ACCESSION NUMBER: 0001104659-23-099019 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230905 FILED AS OF DATE: 20230907 DATE AS OF CHANGE: 20230907 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MISRA TUSHAR CENTRAL INDEX KEY: 0001877233 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 231243227 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 tm2325674-3_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2023-09-05 0 0001442836 Mersana Therapeutics, Inc. MRSN 0001877233 MISRA TUSHAR C/O MERSANA THERAPEUTICS, INC. 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 0 1 0 0 SVP, Chief Manuf. Officer 0 Restricted stock unit 2023-09-05 4 A 0 50000 0 A Common Stock 50000 50000 D Each restricted stock unit ("RSU") represents the contingent right to receive one share of common stock of the Issuer. The RSUs will vest on October 1, 2024, subject to the Reporting Person's continued service to the Issuer on such vesting date. /s/ Alejandra Carvajal, as attorney-in-fact 2023-09-07