Costar Group

Louise S Sams bought 1,000 shares of CSGP on 6 March. They now own 20,409 CSGP shares, or a 5% holding increase.

Rachel C Glaser bought 1,000 shares of CSGP on 2 March. They now own 4,157 CSGP shares, or a 32% holding increase.

Frederick G Saint bought 20,000 shares of CSGP on 2 March. They now own 279,851 CSGP shares, or a 8% holding increase.

Cynthia Cammett Cann sold 1,841 shares of CSGP on 13 November. They now own 23,211 CSGP shares, or a 7% holding decrease.

John W Hill sold 2,250 shares of CSGP on 13 November. They now own 18,231 CSGP shares, or a 11% holding decrease.

Frederick G Saint sold 25,000 shares of CSGP on 28 August. They now own 293,103 CSGP shares, or a 8% holding decrease.

Cynthia Cammett Cann sold 2,033 shares of CSGP on 28 July. They now own 25,771 CSGP shares, or a 7% holding decrease.

Frederick G Saint sold 25,000 shares of CSGP on 28 July. They now own 319,539 CSGP shares, or a 7% holding decrease.

Frederick G Saint sold 25,000 shares of CSGP on 11 June. They now own 344,539 CSGP shares, or a 7% holding decrease.

Cynthia Cammett Cann sold 1,749 shares of CSGP on 10 March. They now own 29,456 CSGP shares, or a 6% holding decrease.

John W Hill sold 2,735 shares of CSGP on 10 December. They now own 17,499 CSGP shares, or a 14% holding decrease.

Michael J Desmarais sold 5,500 shares of CSGP on 26 November. They now own 58,798 CSGP shares, or a 9% holding decrease.

Scott T Wheeler sold 122,736 shares of CSGP on 26 April. They now own 303,417 CSGP shares, or a 29% holding decrease.

Michael J Desmarais sold 3,800 shares of CSGP on 26 April. They now own 64,087 CSGP shares, or a 6% holding decrease.

Lisa Ruggles sold 20,000 shares of CSGP on 9 May. They now own 172,616 CSGP shares, or a 10% holding decrease.