<SEC-DOCUMENT>0001104659-17-033150-index.html : 20170516 <SEC-HEADER>0001104659-17-033150.hdr.sgml : 20170516 <ACCEPTANCE-DATETIME>20170516160637 ACCESSION NUMBER: 0001104659-17-033150 CONFORMED SUBMISSION TYPE: S-8 PUBLIC DOCUMENT COUNT: 4 FILED AS OF DATE: 20170516 DATE AS OF CHANGE: 20170516 EFFECTIVENESS DATE: 20170516 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CORPORATE OFFICE PROPERTIES TRUST CENTRAL INDEX KEY: 0000860546 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 232947217 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: S-8 SEC ACT: 1933 Act SEC FILE NUMBER: 333-218035 FILM NUMBER: 17848643 BUSINESS ADDRESS: STREET 1: 6711 COLUMBIA GATEWAY DRIVE STREET 2: SUITE 300 CITY: COLUMBIA STATE: MD ZIP: 21046 BUSINESS PHONE: 4432855400 MAIL ADDRESS: STREET 1: 6711 COLUMBIA GATEWAY DRIVE STREET 2: SUITE 300 CITY: COLUMBIA STATE: MD ZIP: 21046 FORMER COMPANY: FORMER CONFORMED NAME: CORPORATE OFFICE PROPERTIES TRUST INC DATE OF NAME CHANGE: 19980105 FORMER COMPANY: FORMER CONFORMED NAME: ROYALE INVESTMENTS INC DATE OF NAME CHANGE: 19930328 FORMER COMPANY: FORMER CONFORMED NAME: ROYALE REIT INC DATE OF NAME CHANGE: 19600201 </SEC-HEADER> <DOCUMENT> <TYPE>S-8 <SEQUENCE>1 <FILENAME>a17-13025_1s8.htm <DESCRIPTION>S-8 <TEXT> Document 1 - file: a17-13025_1s8.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>a17-13025_1ex5d1.htm <DESCRIPTION>EX-5.1 <TEXT> Document 2 - file: a17-13025_1ex5d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>3 <FILENAME>a17-13025_1ex23d1.htm <DESCRIPTION>EX-23.1 <TEXT> Document 3 - file: a17-13025_1ex23d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g130251ksi001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g130251ksi001.jpg
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