EDGAR Filing Documents for 0000950123-11-052743

Form 8-K - Current report:

SEC Accession No. 0000950123-11-052743

Filing Date

2011-05-23

Accepted

2011-05-23 06:37:38

Documents

Period of Report

2011-05-20

Items

Item 1.01: Entry into a Material Definitive Agreement
Item 7.01: Regulation FD Disclosure
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 8-K	w82866e8vk.htm	8-K	26387
2	EX-2.1	w82866exv2w1.htm	EX-2.1	13592
3	EX-99.1	w82866exv99w1.htm	EX-99.1	535808
4	EX-99.2	w82866exv99w2.htm	EX-99.2	50518
5	EX-99.3	w82866exv99w3.htm	EX-99.3	214052
	Complete submission text file	0000950123-11-052743.txt		841511

Mailing Address 1331 L STREET NW WASHINGTON DC 20005

Business Address 1331 L STREET NW WASHINGTON DC 20005 2023466500

COSTAR GROUP INC (Filer) CIK: 0001057352 (see all company filings)