0001104659-20-129040.txt : 20201124
0001104659-20-129040.hdr.sgml : 20201124
20201124163132
ACCESSION NUMBER: 0001104659-20-129040
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20201120
FILED AS OF DATE: 20201124
DATE AS OF CHANGE: 20201124
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Lowinger Timothy B
CENTRAL INDEX KEY: 0001709775
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 201344568
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
2020-11-20
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001709775
Lowinger Timothy B
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
0
1
0
0
Chief Science & Tech. Officer
Common Stock
2020-11-20
4
M
0
1874
3.51
A
1874
D
Common Stock
2020-11-20
4
S
0
1874
23.06
D
0
D
Common Stock
2020-11-20
4
M
0
2227
6.16
A
2227
D
Common Stock
2020-11-20
4
S
0
2227
23.06
D
0
D
Common Stock
2020-11-20
4
M
0
1875
3.51
A
1875
D
Common Stock
2020-11-20
4
S
0
1875
23.04
D
0
D
Common Stock
2020-11-20
4
M
0
2227
6.16
A
2227
D
Common Stock
2020-11-20
4
S
0
2227
23.04
D
0
D
Stock Option (right to buy)
3.51
2020-11-20
4
M
0
1874
0
D
2029-01-22
Common Stock
1874
32803
D
Stock Option (right to buy)
6.16
2020-11-20
4
M
0
2227
0
D
2030-01-14
Common Stock
2227
108362
D
Stock Option (right to buy)
3.51
2020-11-20
4
M
0
1875
0
D
2029-01-22
Common Stock
1875
30928
D
Stock Option (right to buy)
6.16
2020-11-20
4
M
0
2227
0
D
2030-01-14
Common Stock
2227
106135
D
Transaction effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2020.
This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.605 to $23.37, inclusive. The reporting person undertakes to provide to Mersana Therapeutics, Inc., any other security holder of Mersana Therapeutics Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.60 to $23.37, inclusive. The reporting person undertakes to provide to Mersana Therapeutics, Inc., any other security holder of Mersana Therapeutics Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
The options vest in equal quarterly installments over the first four years after the vesting commencement date, January 23, 2019.
The options vest in equal quarterly installments over the first four years after the vesting commencement date, January 15, 2020.
/s/ Brian DeSchuytner, as Attorney-in-Fact
2020-11-24