0001104659-23-042247.txt : 20230405
0001104659-23-042247.hdr.sgml : 20230405
20230405171543
ACCESSION NUMBER: 0001104659-23-042247
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230403
FILED AS OF DATE: 20230405
DATE AS OF CHANGE: 20230405
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Hege Kristen
CENTRAL INDEX KEY: 0001299171
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 23803481
MAIL ADDRESS:
STREET 1: 500 FORBES BLVD
CITY: SOUTH SAN FRANCISCO
STATE: CA
ZIP: 94070
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
tm2311858-5_4seq1.xml
OWNERSHIP DOCUMENT
X0407
4
2023-04-03
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001299171
Hege Kristen
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
1
0
0
0
0
Stock Option (right to buy)
4.25
2023-04-03
4
A
0
3451
0
A
2033-04-02
Common Stock
3451
3451
D
This stock option was granted in connection with the Reporting Person's election to receive the Reporting Person's quarterly retainer for director services in the form of stock options rather than cash. The options were granted to the Reporting Person pursuant to the Issuer's Amended & Restated Non-Employee Director Compensation Policy in lieu of retainer fees of $11,250 for the quarter ended March 31, 2023.
Fully vested as of the date of grant
/s/Alejandra Carvajal, Attorney-in-Fact
2023-04-05