0001522380-12-000045.txt : 20120418 0001522380-12-000045.hdr.sgml : 20120418 20120418124608 ACCESSION NUMBER: 0001522380-12-000045 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506 FILED AS OF DATE: 20120418 DATE AS OF CHANGE: 20120418 EFFECTIVENESS DATE: 20120418 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/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-158771 FILM NUMBER: 12765414 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/A 1 primary_doc.xml X0705 D/A 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 C. Boyd Clarke 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Director Joyce Tsang 840 Memorial Drive Cambridge MA MASSACHUSETTS 02139 Director Martin Vogelbaum 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 true 0001442836-11-000001 2011-04-12 false true false 0 10000000 10000000 0 false 7 0 0 0 false MERSANA THERAPEUTICS INC Nicholas G. Bacopoulos Nicholas G. Bacopoulos President & CEO 2012-04-18