0001104659-23-042244.txt : 20230405
0001104659-23-042244.hdr.sgml : 20230405
20230405171512
ACCESSION NUMBER: 0001104659-23-042244
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: Huber Martin H. Jr.
CENTRAL INDEX KEY: 0001653276
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 23803469
MAIL ADDRESS:
STREET 1: C/O TESARO, INC.
STREET 2: 1000 WINTER STREET, SUITE 3300
CITY: WALTHAM
STATE: MA
ZIP: 02451
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
tm2311858-4_4seq1.xml
OWNERSHIP DOCUMENT
X0407
4
2023-04-03
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001653276
Huber Martin H. Jr.
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
3375
0
A
2033-04-02
Common Stock
3375
3375
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 $11,000 for the quarter ended March 31, 2023.
Fully vested as of the date of grant
/s/Alejandra Carvajal, Attorney-in-Fact
2023-04-05