0001104659-23-070364.txt : 20230612
0001104659-23-070364.hdr.sgml : 20230612
20230612161920
ACCESSION NUMBER: 0001104659-23-070364
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230608
FILED AS OF DATE: 20230612
DATE AS OF CHANGE: 20230612
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Diaz Allene M.
CENTRAL INDEX KEY: 0001773314
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 231008332
MAIL ADDRESS:
STREET 1: C/O ALLENA PHARMACEUTIALS, INC.
STREET 2: ONEW NEWTON EXECUTIVE PARK SUITE 202
CITY: NEWTON
STATE: MA
ZIP: 02462
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
tm2318463-6_4seq1.xml
OWNERSHIP DOCUMENT
X0407
4
2023-06-08
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001773314
Diaz Allene M.
C/O MERSANA THERAPEUTICS, INC.
840 MEMORIAL DRIVE
CAMBRIDGE
MA
02139
1
0
0
0
0
Common Stock
2023-06-08
4
A
0
14467
0
A
14467
D
Stock Option (right to buy)
8.64
2023-06-08
4
A
0
18355
0
A
2033-06-07
Common Stock
18355
18355
D
Represents a restricted stock unit ("RSU") award. Each RSU represents the contingent right to receive one share of Common Stock of the Issuer.
The award will vest in full on the earlier of the first anniversary of the date of grant or the date of the 2024 Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continuous service with the Issuer on such vesting date.
/s/ Alejandra Carvajal, Attorney-in-Fact
2023-06-12