0001209191-20-024299.txt : 20200413
0001209191-20-024299.hdr.sgml : 20200413
20200413211049
ACCESSION NUMBER: 0001209191-20-024299
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20200409
FILED AS OF DATE: 20200413
DATE AS OF CHANGE: 20200413
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Sonsini Peter W.
CENTRAL INDEX KEY: 0001559807
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 20789842
MAIL ADDRESS:
STREET 1: 2855 SAND HILL ROAD
CITY: MENLO PARK
STATE: CA
ZIP: 94025
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
doc4.xml
FORM 4 SUBMISSION
X0306
4
2020-04-09
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001559807
Sonsini Peter W.
2855 SAND HILL ROAD
MENLO PARK
CA
94025
0
0
1
0
Common Stock
2020-04-09
4
J
0
4000000
0.00
D
7959520
I
See Note 2
Common Stock
2020-04-09
4
J
0
40000
0.00
A
40000
I
See Note 4
Common Stock
2020-04-09
4
J
0
40000
0.00
D
0
I
See Note 4
Common Stock
2020-04-09
4
J
0
20000
0.00
A
20000
I
See Note 7
Common Stock
2020-04-09
4
J
0
20000
0.00
D
0
I
See Note 7
Common Stock
2020-04-09
4
J
0
1146
0.00
A
1146
I
See Note 10
Common Stock
2020-04-09
4
J
0
497
0.00
A
497
D
New Enterprise Associates 14, L.P. ("NEA 14") made a pro rata distribution for no consideration of an aggregate of 4,000,000 shares of Common Stock of the Issuer to its general partner and its limited partners on April 9, 2020.
The Reporting Person is a director of NEA 14 GP, LTD ("NEA 14 LTD"), which is the sole general partner of NEA Partners 14, L.P. ("NEA Partners 14"). NEA Partners 14 is the sole general partner of NEA 14, which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 shares in which the Reporting Person has no pecuniary interest.
NEA Partners 14 received 40,000 shares of Common Stock of the Issuer in the distribution by NEA 14 on April 9, 2020.
The Reporting Person is a director of NEA 14 LTD, which is the sole general partner of NEA Partners 14, the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA Partners 14 shares in which the Reporting Person has no pecuniary interest.
NEA Partners 14 made a pro rata distribution for no consideration of an aggregate of 40,000 shares of Common Stock of the Issuer to its limited partners on April 9, 2020.
NEA 14 Manager Fund, L.P. ("NEA 14 Manager Fund") received 20,000 shares of Common Stock of the Issuer in the distribution by NEA 14 on April 9, 2020.
The Reporting Person is a director of NEA 14 LTD, which is the sole general partner of NEA 14 Manager Fund. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities of the Issuer held by NEA 14 Manager Fund in which the Reporting Person has no pecuniary interest.
NEA 14 Manager Fund made a pro rata distribution for no consideration of an aggregate of 20,000 shares of Common Stock of the Issuer to its limited partners on April 9, 2020.
Peter W. Sonsini and Diane C. Sonsini as Trustees of the Peter & Diane Sonsini Family Trust dated January 17, 2007 (the "Sonsini Trust") received 1,146 shares of Common Stock of the Issuer in the distribution by NEA Partners 14 on April 9, 2020.
The securities are held directly by the Sonsini Trust. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the 1934 Act, as amended, of such portion of the shares of Common Stock of the Issuer held by the Sonsini Trust in which the Reporting Person has no pecuniary interest.
The Reporting Person received 497 shares of Common Stock of the Issuer in the distribution by NEA 14 Manager Fund on April 9, 2020.
/s/ Sasha Keough, Attorney-in-Fact
2020-04-13