0001104659-21-107356.txt : 20210818
0001104659-21-107356.hdr.sgml : 20210818
20210818163206
ACCESSION NUMBER: 0001104659-21-107356
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210816
FILED AS OF DATE: 20210818
DATE AS OF CHANGE: 20210818
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: MISRA TUSHAR
CENTRAL INDEX KEY: 0001877233
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 211187032
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
tm2125411-2_4seq1.xml
OWNERSHIP DOCUMENT
X0306
4
2021-08-16
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001877233
MISRA TUSHAR
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
0
1
0
0
Chief Manufacturing Officer
Stock Option (right to buy)
11.56
2021-08-16
4
A
0
112500
0
A
2031-08-15
Common Stock
112500
112500
D
Restricted stock unit
2021-08-16
4
A
0
25000
0
A
Common Stock
25000
25000
D
The options will vest as to 25% of the shares on the first anniversary of the grant date and in equal quarterly installments over the next three years.
Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock upon vesting.
The restricted stock units will vest in equal annual installments over the first four years after the vesting commencement date, August 16, 2021.
Brian DeSchuytner, as Attorney-in-Fact
2021-08-18