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Home > Insider Trading > Filing (0001179110-11-004771)

Filing Details

Accession Number:: 0001179110-11-004771
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-03-11 12:43:33
Reporting Period:: 2011-03-09

Filing Date:: 2011-03-11
Accepted Time:: 2011-03-11 12:43:33
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
860546	Corporate Office Properties Trust	OFC	Real Estate Investment Trusts (6798)	232947217

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1250529	M Karen Singer	6711 Columbia Gateway Drive Suite 300 Columbia MD 21046	Svp, General Counsel & Sec	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Shares	Acquisiton	2011-03-09	343	$0.00	56,286	No	4	F	Direct
Common Shares	Acquisiton	2011-03-11	7,500	$20.34	63,786	No	4	M	Direct
Common Shares	Disposition	2011-03-11	7,500	$34.53	56,286	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	F	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Options of Common Shares	Disposition	2011-03-11	7,500	$20.34	7,500	$20.34

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-01-01	2014-03-10	No	4	M	Direct

Footnotes

Thess shares were forfeited in a net share settlement in connection with restrictions lapsing on restricted shares.