0001104659-20-131574.txt : 20201202
0001104659-20-131574.hdr.sgml : 20201202
20201202163055
ACCESSION NUMBER: 0001104659-20-131574
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20201130
FILED AS OF DATE: 20201202
DATE AS OF CHANGE: 20201202
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Yang Arvin
CENTRAL INDEX KEY: 0001834321
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 201364147
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
2020-11-30
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001834321
Yang Arvin
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
0
1
0
0
Chief Medical Officer
Stock Option (right to buy)
25.48
2020-11-30
4
A
0
200000
0
A
2030-11-29
Common Stock
200000
200000
D
Restricted stock unit
2020-11-30
4
A
0
37000
0
A
2030-11-29
Common Stock
37000
37000
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 as to 50% of the shares on the first anniversary of the grant date and 50% of the shares on the second anniversary of the grant date.
Brian DeSchuytner, as Attorney-in-Fact
2020-12-02