0001209191-17-042048.txt : 20170627
0001209191-17-042048.hdr.sgml : 20170627
20170627201452
ACCESSION NUMBER: 0001209191-17-042048
CONFORMED SUBMISSION TYPE: 3
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20170627
FILED AS OF DATE: 20170627
DATE AS OF CHANGE: 20170627
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
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: NEA 14 GP, LTD
CENTRAL INDEX KEY: 0001551532
STATE OF INCORPORATION: E9
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 3
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 17933541
BUSINESS ADDRESS:
STREET 1: 1954 GREENSPRING DRIVE
STREET 2: SUITE 600
CITY: TIMONIUM
STATE: MD
ZIP: 21093
BUSINESS PHONE: 410-842-4000
MAIL ADDRESS:
STREET 1: 1954 GREENSPRING DRIVE
STREET 2: SUITE 600
CITY: TIMONIUM
STATE: MD
ZIP: 21093
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: NEA Partners 14, L.P.
CENTRAL INDEX KEY: 0001551531
STATE OF INCORPORATION: E9
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 3
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 17933542
BUSINESS ADDRESS:
STREET 1: 1954 GREENSPRING DRIVE
STREET 2: SUITE 600
CITY: TIMONIUM
STATE: MD
ZIP: 21093
BUSINESS PHONE: 410-842-4000
MAIL ADDRESS:
STREET 1: 1954 GREENSPRING DRIVE
STREET 2: SUITE 600
CITY: TIMONIUM
STATE: MD
ZIP: 21093
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: New Enterprise Associates 14, L.P.
CENTRAL INDEX KEY: 0001544328
STATE OF INCORPORATION: E9
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 3
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38129
FILM NUMBER: 17933543
BUSINESS ADDRESS:
STREET 1: 1954 GREENSPRING DRIVE
STREET 2: SUITE 600
CITY: TIMONIUM
STATE: MD
ZIP: 21093
BUSINESS PHONE: 410-842-4000
MAIL ADDRESS:
STREET 1: 1954 GREENSPRING DRIVE
STREET 2: SUITE 600
CITY: TIMONIUM
STATE: MD
ZIP: 21093
3
1
doc3.xml
FORM 3 SUBMISSION
X0206
3
2017-06-27
0
0001442836
Mersana Therapeutics, Inc.
MRSN
0001544328
New Enterprise Associates 14, L.P.
1954 GREENSPRING DRIVE
SUITE 600
TIMONIUM
MD
21093
0
0
1
0
0001551531
NEA Partners 14, L.P.
1954 GREENSPRING DRIVE
SUITE 600
TIMONIUM
MD
21093
0
0
1
0
0001551532
NEA 14 GP, LTD
1954 GREENSPRING DRIVE
SUITE 600
TIMONIUM
MD
21093
0
0
1
0
Series A-1 Preferred Stock
Common Stock
2647241
D
Series B-1 Preferred Stock
Common Stock
4000314
D
Series C-1 Preferred Stock
Common Stock
492583
D
Stock Purchase Warrant (right to buy)
0.05
2013-09-27
2023-09-27
Common Stock
70593
D
The Series A-1 Convertible Preferred Stock is convertible into shares of common stock at any time at the holder's election and automatically upon the consummation of a public offering of the registrant. There is no expiration date for the Series A-1 Convertible Preferred Stock.
The securities are directly held by New Enterprise Associates 14, L.P. ("NEA 14") and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are M. James Barrett, Peter J. Barris, Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, David M. Mott, Scott D. Sandell, Peter W. Sonsini and Ravi Viswanathan. The Indirect Reporting Persons disclaim 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 securities in which the Indirect Reporting Persons have no pecuniary interest.
The Series B-1 Convertible Preferred Stock is convertible into shares of common stock at any time at the holder's election and automatically upon the consummation of a public offering of the registrant. There is no expiration date for the Series B-1 Convertible Preferred Stock.
The Series C-1 Convertible Preferred Stock is convertible into shares of common stock at any time at the holder's election and automatically upon the consummation of a public offering of the registrant. There is no expiration date for the Series C-1 Convertible Preferred Stock.
/s/ Sasha Keough, attorney-in-fact
2017-06-27