0001104659-24-004545.txt : 20240117
0001104659-24-004545.hdr.sgml : 20240117
20240117171930
ACCESSION NUMBER: 0001104659-24-004545
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240115
FILED AS OF DATE: 20240117
DATE AS OF CHANGE: 20240117
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Huber Martin H. Jr.
CENTRAL INDEX KEY: 0001653276
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 24539347
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]
ORGANIZATION NAME: 03 Life Sciences
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
tm243529-4_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2024-01-15
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001653276
Huber Martin H. Jr.
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
1
1
0
0
President, CEO
0
Stock Option (Right to Buy)
3.02
2024-01-15
4
A
0
199125
0
A
2034-01-14
Common Stock
199125
199125
D
Restricted Stock Unit
2024-01-15
4
A
0
44250
0
A
Common Stock
44250
44250
D
The option shall vest in equal quarterly installments over four years from the date of grant.
Each restricted stock unit ("RSU") represents the contingent right to receive one share of common stock of the Issuer.
The RSUs shall vest in equal annual installments over four years from the date of grant.
/s/ Alejandra Carvajal, Attorney-in-Fact
2023-01-17