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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001086521-09-000019
Filing Date
2009-11-12
Accepted
2009-11-12 09:38:06
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENT corpoff1208.txt SC 13G 5466
  Complete submission text file 0001086521-09-000019.txt   7954
Mailing Address 8815 CENTRE PARK DR SUITE 400 COLUMBIA MD 21045
Business Address 8815 CENTRE PARK DR SUITE 400 COLUMBIA MD 21045 6105381800
CORPORATE OFFICE PROPERTIES TRUST (Subject) CIK: 0000860546 (see all company filings)

IRS No.: 232947217 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-51779 | Film No.: 091174650
SIC: 6798 Real Estate Investment Trusts

Mailing Address NEW TOKYO BUILDING 5TH FLOOR 3-1 MARUNOUCHI 3 CHOME CHIYODA-KU TOKYO M0 100-0005
Business Address NEW TOKYO BUILDING 5TH FLOOR 3-1 MARUNOUCHI 3 CHOME CHIYODA-KU TOKYO M0 100-0005 81-3-3216-0193
DIAM Co., Ltd. (Filed by) CIK: 0001068855 (see all company filings)

IRS No.: 000000000 | Fiscal Year End: 0331
Type: SC 13G