0001104659-18-006860.txt : 20180206
0001104659-18-006860.hdr.sgml : 20180206
20180206162707
ACCESSION NUMBER: 0001104659-18-006860
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20180202
FILED AS OF DATE: 20180206
DATE AS OF CHANGE: 20180206
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Jack Eva M.
CENTRAL INDEX KEY: 0001709771
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 18577912
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
a4.xml
4
X0306
4
2018-02-02
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001709771
Jack Eva M.
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
0
1
0
0
CBO, Treasurer & Secretary
Stock Option (right to buy)
14.23
2018-02-02
4
A
0
50057
0.00
A
2028-02-01
Common Stock
50057
50057
D
The options vest in equal quarterly installments over the first four years after the vesting commencement date, February 2, 2018.
/s/ Eva M. Jack
2018-02-06