0001209191-20-024272.txt : 20200413 0001209191-20-024272.hdr.sgml : 20200413 20200413203916 ACCESSION NUMBER: 0001209191-20-024272 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190828 FILED AS OF DATE: 20200413 DATE AS OF CHANGE: 20200413 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SANDELL SCOTT D CENTRAL INDEX KEY: 0001237289 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789793 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789794 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 14 GP, LTD CENTRAL INDEX KEY: 0001551532 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789795 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: KERINS PATRICK J CENTRAL INDEX KEY: 0001235112 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789796 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Florence Anthony A. Jr. CENTRAL INDEX KEY: 0001559827 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789797 MAIL ADDRESS: STREET 1: 5425 WISCONSIN AVENUE, SUITE 800 CITY: CHEVY CHASE STATE: MD ZIP: 20815 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: BASKETT FOREST CENTRAL INDEX KEY: 0001277631 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789798 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: 20789799 MAIL ADDRESS: STREET 1: 2855 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38129 FILM NUMBER: 20789800 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 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 2019-08-28 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 0001559807 Sonsini Peter W. 2855 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001277631 BASKETT FOREST 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001559827 Florence Anthony A. Jr. 5425 WISCONSIN AVENUE, SUITE 800 CHEVY CHASE MD 20815 0 0 1 0 0001235112 KERINS PATRICK J 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 0001551531 NEA Partners 14, L.P. 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001237289 SANDELL SCOTT D 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 Common Stock 2019-08-28 4 X 0 70593 0.05 A 11960731 D Common Stock 2019-08-28 4 S 0 1211 2.91 D 11959520 D Stock Purchase Warrant (right to buy) 0.05 2019-08-28 4 X 0 70593 0.00 D 2013-09-27 2023-09-27 Common Stock 70593 0 D 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 Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, Scott D. Sandell and Peter Sonsini. 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. On August 28, 2019, NEA 14 exercised a stock purchase warrant to purchase 70,593 shares of the Issuer's common stock for $0.05 per share. NEA 14 paid the exercise price on a cashless exercise basis resulting in the Issuer withholding 1,211 of the warrant shares to pay the exercise price and issuing NEA 14 the remaining 69,382 shares. /s/ Sasha Keough, Attorney-in-Fact 2020-04-13