Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001193125-12-058939
Filing Date
2012-02-14
Accepted
2012-02-14 10:29:59
Documents
1
Group Members
CHUO MITSUI ASSET MANAGEMENT COMPANY, LTDCHUO MITSUI ASSET TRUST & BANKING COMPANY, LTDNIKKO ASSET MANAGEMENT CO., LTD.STB ASSET MANAGEMENT CO., LTD.

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G d299714dsc13g.htm SC 13G 169049
  Complete submission text file 0001193125-12-058939.txt   171266
Mailing Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046
Business Address 6711 COLUMBIA GATEWAY DRIVE SUITE 300 COLUMBIA MD 21046 4432855400
CORPORATE OFFICE PROPERTIES TRUST (Subject) CIK: 0000860546 (see all company filings)

EIN.: 232947217 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-51779 | Film No.: 12603693
SIC: 6798 Real Estate Investment Trusts

Mailing Address 9-2, MARUNOUCHI, 1-CHOME CHIYODA-KU, TOKYO 100-6611 M0 -
Business Address 9-2, MARUNOUCHI, 1-CHOME CHIYODA-KU, TOKYO 100-6611 M0 - 81-3-5445-3500
Sumitomo Mitsui Trust Holdings, Inc. (Filed by) CIK: 0001475365 (see all company filings)

EIN.: 000000000 | State of Incorp.: M0
Type: SC 13G
SIC: 6029 Commercial Banks, NEC