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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000932471-11-001064
Filing Date
2011-02-10
Accepted
2011-02-09 19:52:16
Documents
1

Document Format Files

Seq Description Document Type Size
1 corpofficeprop.htm SC 13G 35167
  Complete submission text file 0000932471-11-001064.txt   37619
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106696295
VANGUARD SPECIALIZED FUNDS (Filed by) CIK: 0000734383 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0131
Type: SC 13G

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)

IRS No.: 232947217 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-51779 | Film No.: 11588868
SIC: 6798 Real Estate Investment Trusts