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Home > Insider Trading > Filing (0001057352-10-000027)

Filing Details

Accession Number:: 0001057352-10-000027
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-04-29 13:00:00
Reporting Period:: 2010-04-27

Filing Date:: 2010-04-29
Accepted Time:: 2010-04-29 16:32:49
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1057352	Costar Group Inc	CSGP	Services-Business Services, Nec (7389)	522091509

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1412635	Paul Marples	C/O Costar Group, Inc. 2 Bethesda Metro Center, 10Th Floor Bethesda MD 20814-5388	Managing Director, Focus	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Disposition	2010-04-27	3,800	$45.01	21,018	No	4	S	Direct
Common Stock, Par Value $0.01 Per Share	Disposition	2010-04-29	200	$45.00	20,818	No	4	S	Direct

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

Footnotes

Average based on sale prices ranging from $45.00 to $45.06.
Represents all shares of Common Stock owned, consisting of 12,184 shares of Common Stock and 8,834 shares of Common Stock subject to unvested Restricted Stock Grants.
Represents all shares of Common Stock owned, consisting of 11,984 shares of Common Stock and 8,834 shares of Common Stock subject to unvested Restricted Stock Grants.