0000950170-24-072570.txt : 20240612
0000950170-24-072570.hdr.sgml : 20240612
20240612173106
ACCESSION NUMBER: 0000950170-24-072570
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240611
FILED AS OF DATE: 20240612
DATE AS OF CHANGE: 20240612
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Hack Andrew A. F.
CENTRAL INDEX KEY: 0001657434
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 241039428
MAIL ADDRESS:
STREET 1: 300 THIRD STREET, FIRST FLOOR
CITY: CAMBRIDGE
STATE: MA
ZIP: 02142
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Mersana Therapeutics, Inc.
CENTRAL INDEX KEY: 0001442836
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
ORGANIZATION NAME: 03 Life Sciences
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
ownership.xml
4
X0508
4
2024-06-11
0001442836
Mersana Therapeutics, Inc.
MRSN
0001657434
Hack Andrew A. F.
C/O BAIN CAPITAL LIFE SCIENCES INVESTORS
200 CLARENDON STREET
BOSTON
MA
02116
true
false
false
false
false
Stock Option (right to buy)
2.26
2024-06-11
4
A
false
55000
0.00
A
2034-06-10
Common Stock
55000
55000
D
The award will vest in full on the earlier of the first anniversary of the date of grant or the date of the 2025 Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continuous service with the Issuer on such vesting date.
/s/ Andrew Hack
2024-06-12