Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-13-005117
Filing Date
2013-02-14
Accepted
2013-02-14 14:11:50
Documents
1

Document Format Files

Seq Description Document Type Size
1 corporateofficeproperties.htm SC 13G/A 44770
  Complete submission text file 0000932471-13-005117.txt   46816
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106691000
VANGUARD SPECIALIZED FUNDS (Filed by) CIK: 0000734383 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0131
Type: SC 13G/A

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/A | Act: 34 | File No.: 005-51779 | Film No.: 13611569
SIC: 6798 Real Estate Investment Trusts