<SEC-DOCUMENT>0001104659-18-026394-index.html : 20180425 <SEC-HEADER>0001104659-18-026394.hdr.sgml : 20180425 <ACCEPTANCE-DATETIME>20180425080745 ACCESSION NUMBER: 0001104659-18-026394 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 5 FILED AS OF DATE: 20180425 DATE AS OF CHANGE: 20180425 EFFECTIVENESS DATE: 20180425 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Equity Commonwealth CENTRAL INDEX KEY: 0000803649 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 046558834 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-09317 FILM NUMBER: 18772771 BUSINESS ADDRESS: STREET 1: TWO NORTH RIVERSIDE PLAZA STREET 2: SUITE 2100 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 312.646.2800 MAIL ADDRESS: STREET 1: TWO NORTH RIVERSIDE PLAZA STREET 2: SUITE 2100 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: CommonWealth REIT DATE OF NAME CHANGE: 20100702 FORMER COMPANY: FORMER CONFORMED NAME: HRPT PROPERTIES TRUST DATE OF NAME CHANGE: 19980701 FORMER COMPANY: FORMER CONFORMED NAME: HEALTH & RETIREMENT PROPERTIES TRUST DATE OF NAME CHANGE: 19940811 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>a18-2821_3defa14a.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: a18-2821_3defa14a.htm
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