0001104659-23-052984.txt : 20230428
0001104659-23-052984.hdr.sgml : 20230428
20230428161555
ACCESSION NUMBER: 0001104659-23-052984
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230426
FILED AS OF DATE: 20230428
DATE AS OF CHANGE: 20230428
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Carvajal Alejandra
CENTRAL INDEX KEY: 0001645755
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 23866428
MAIL ADDRESS:
STREET 1: C/O CERULEAN PHARMA INC.
STREET 2: 840 MEMORIAL DRIVE, 5TH FLOOR
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
tm2314135-1_4seq1.xml
OWNERSHIP DOCUMENT
X0407
4
2023-04-26
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001645755
Carvajal Alejandra
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
0
1
0
0
SVP, Chief Legal Officer
1
Common Stock
2023-04-26
4
M
0
13250
0
A
24270
D
Common Stock
2023-04-27
4
S
0
3944
3.89
D
20326
D
Restricted stock unit
2023-04-26
4
M
0
13250
0
D
Common Stock
13250
0
D
Represents shares of common stock received upon the vesting of a portion of the restricted stock units ("RSUs") awarded to the Reporting Person on April 26, 2021.
Pursuant to automatic sell-to-cover instructions adopted by the Reporting Person on April 26, 2021, the shares were sold upon the vesting of the RSUs solely to cover applicable withholding taxes. The automatic sale instructions for the sell-to-cover were intended to comply with the requirements of Rule 10b5-1(c). The sale was not a discretionary trade by the Reporting Person.
Each RSU represents the contingent right to receive one share of common stock of the Issuer.
The RSUs vested as to 50% of the shares on April 26, 2022 and as to 50% of the shares on April 26, 2023.
/s/Alejandra Carvajal
2023-04-28