Filing Details

Accession Number:
0001057352-10-000053
Form Type:
4
Zero Holdings:
No
Publication Time:
2010-08-06 13:00:00
Reporting Period:
2010-08-04
Filing Date:
2010-08-06
Accepted Time:
2010-08-06 16:49:40
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
1066061 C Andrew Florance C/O Costar Group, Inc.
2 Bethesda Metro Center, 10Th Floor
Bethesda MD 20814-5388
President And Ceo Yes Yes No No
Reported Non-Derivative Transactions
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 Acquisiton 2010-08-04 8,725 $18.06 231,202 No 4 M Direct
Common Stock, Par Value $0.01 Per Share Disposition 2010-08-04 8,725 $44.35 222,477 No 4 S Direct
Common Stock, Par Value $0.01 Per Share Acquisiton 2010-08-05 3,855 $18.06 226,332 No 4 M Direct
Common Stock, Par Value $0.01 Per Share Disposition 2010-08-05 3,855 $44.08 222,477 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Option to Acquire Common Stock Disposition 2010-08-04 8,725 $0.00 8,725 $18.06
Common Stock Option to Acquire Common Stock Disposition 2010-08-05 3,855 $0.00 3,855 $18.06
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
13,738 2011-04-16 No 4 M Direct
9,883 2011-04-16 No 4 M Direct
Footnotes
  1. Represents all shares of Common Stock owned, consisting of 144,951 shares of Common Stock and 86,251 shares of Common Stock subject to unvested Restricted Stock Grants.
  2. Average based on sales prices ranging from $44.20 to $44.54.
  3. Represents all shares of Common Stock owned, consisting of 136,226 shares of Common Stock and 86,251 shares of Common Stock subject to unvested Restricted Stock Grants.
  4. Represents all shares of Common Stock owned, consisting of 140,081 shares of Common Stock and 86,251 shares of Common Stock subject to unvested Restricted Stock Grants.
  5. Average based on sales prices ranging from $44.00 to $44.27.
  6. The option vested in four equal installments on April 17, 2002, April 17, 2003, April 17, 2004 and April 17, 2005.