<SEC-DOCUMENT>0001209191-15-071723-index.html : 20150921 <SEC-HEADER>0001209191-15-071723.hdr.sgml : 20150921 <ACCEPTANCE-DATETIME>20150921200407 ACCESSION NUMBER: 0001209191-15-071723 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150910 FILED AS OF DATE: 20150921 DATE AS OF CHANGE: 20150921 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CoreSite Realty Corp CENTRAL INDEX KEY: 0001490892 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 000000000 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1001 17TH STREET STREET 2: SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: (866) 777-2673 MAIL ADDRESS: STREET 1: 1001 17TH STREET STREET 2: SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Warren Brian CENTRAL INDEX KEY: 0001653309 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34877 FILM NUMBER: 151118330 MAIL ADDRESS: STREET 1: C/O CORESITE REALTY CORPORATION STREET 2: 1001 17TH STREET, SUITE 500 CITY: DENVER STATE: CO ZIP: 80202 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>doc3.xml <DESCRIPTION>FORM 3 SUBMISSION <TEXT> Document 1 - file: doc3.html
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