0001104659-23-106841.txt : 20231004
0001104659-23-106841.hdr.sgml : 20231004
20231004163051
ACCESSION NUMBER: 0001104659-23-106841
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20231002
FILED AS OF DATE: 20231004
DATE AS OF CHANGE: 20231004
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Dere Willard H
CENTRAL INDEX KEY: 0001311569
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 231308407
MAIL ADDRESS:
STREET 1: ONE AMGEN CENTER DRIVE
CITY: THOUSAND OAKS
STATE: CA
ZIP: 91320-1799
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
tm2327613d4_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2023-10-02
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001311569
Dere Willard H
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
1
0
0
0
0
Common Stock
2023-10-02
4
A
0
11011
0
A
33070
D
These shares were granted in connection with the Reporting Person's election to receive the Reporting Person's quarterly retainer for director services in the form of fully vested shares of stock rather than cash. The shares were granted to the Reporting Person pursuant to the Issuer's Amended & Restated Non-Employee Director Compensation Policy in lieu of retainer fees of $13,875 for the quarter ended September 30, 2023. The number of shares issued was based on the closing price per share of the Issuer's common stock on October 2, 2023, which was $1.26.
/s/ Alejandra Carvajal, Attorney-in-Fact
2023-10-04