0001555573-12-000004.txt : 20120809 0001555573-12-000004.hdr.sgml : 20120809 20120809145526 ACCESSION NUMBER: 0001555573-12-000004 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506 FILED AS OF DATE: 20120809 DATE AS OF CHANGE: 20120809 EFFECTIVENESS DATE: 20120809 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MERSANA THERAPEUTICS INC CENTRAL INDEX KEY: 0001442836 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-182471 FILM NUMBER: 121020009 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 D 1 primary_doc.xml X0706 D LIVE 0001442836 MERSANA THERAPEUTICS INC 840 MEMORIAL DRIVE CAMBRIDGE MA MASSACHUSETTS 02139 617-498-0020 DELAWARE None None Corporation true Nicholas G. Bacopoulos 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Executive Officer Director Michael Metzger 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Executive Officer Sara Nayeem 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Director David Mott 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Director Karen Hong 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Director Thomas Beck 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Director Timothy B. Lowinger 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Executive Officer Burkhard Blank 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Executive Officer Biotechnology Decline to Disclose 06 false 2012-07-27 true true true true false 0 26999708 12500164 14499544 false 12 0 0 0 false MERSANA THERAPEUTICS INC Michael Metzger Michael Metzger Chief Operating Officer & Assistant Secretary & Treasurer 2012-08-09