-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, QVASC1hYVGJ7KVVUxvTrjiVCw+L6hpKLzOsZ8xIeZQQP+GqD5hy4RetEZxXF6mU8 c+6Tq8T99ItZZv3FWqfzwg== 0001057352-07-000080.txt : 20070918 0001057352-07-000080.hdr.sgml : 20070918 20070918162018 ACCESSION NUMBER: 0001057352-07-000080 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20070914 FILED AS OF DATE: 20070918 DATE AS OF CHANGE: 20070918 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COSTAR GROUP INC CENTRAL INDEX KEY: 0001057352 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-BUSINESS SERVICES, NEC [7389] IRS NUMBER: 522091509 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2 BETHESDA METRO CENTER STREET 2: 10TH FLOOR CITY: BETHESDA STATE: MD ZIP: 20814 BUSINESS PHONE: 3012158300 MAIL ADDRESS: STREET 1: 2 BETHESDA METRO CENTER STREET 2: 10TH FLOOR CITY: BETHESDA STATE: MD ZIP: 20814 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KLEIN MICHAEL R CENTRAL INDEX KEY: 0001066062 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24531 FILM NUMBER: 071122683 BUSINESS ADDRESS: STREET 1: WILMER, CUTLER & PICKERING STREET 2: 2445 M STREET NW CITY: WASHINGTON STATE: DC ZIP: 20037-1420 BUSINESS PHONE: 202-689-1240 MAIL ADDRESS: STREET 1: 2001 K STREET, N.W. STREET 2: SUITE 206 CITY: WASHINGTON STATE: DC ZIP: 20006 4 1 edgar.xml PRIMARY DOCUMENT