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COSTAR GROUP, INC.
CSGPCIK: 0001057352
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COSTAR GROUP, INC. (CSGP) has recorded 36 insider filings from 15 unique insiders, totaling $13.0M in trading activity (net selling). Insiders have sold $5.1M while purchasing $2.6M. Insider sales can reflect personal financial planning rather than a bearish view — always consider the full context. The most active insider by volume is FLORANCE ANDREW C. All data sourced from SEC Form 4 filings and updated as new disclosures are filed.
Total Volume
$13.0M
Purchases
$2.6M
Sales
$5.1M
Unique Insiders
15
Recent Insider Trades
36 loaded
| Jun 24 | CSGP COSTAR GROUP, INC. | McCarthy Christine M | Director | Grant | $0 |
| Jun 24 | CSGP COSTAR GROUP, INC. | Glaser Rachel C | Director | Grant | $0 |
| Jun 24 | CSGP COSTAR GROUP, INC. | BERISFORD JOHN L | Director | Grant | $0 |
| Jun 24 | CSGP COSTAR GROUP, INC. | Musslewhite Robert W | Director | Grant | $0 |
| Jun 24 | CSGP COSTAR GROUP, INC. | Hill John W | Director | Grant | $0 |
| Jun 24 | CSGP COSTAR GROUP, INC. | Sams Louise S | Director | Grant | $0 |
| Jun 24 | CSGP COSTAR GROUP, INC. | Brunner Angelique G. | Director | Grant | $0 |
| Jun 16 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Other | $0 |
| May 4 | CSGP COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO, Director | Buy | $2.5M |
| Mar 17 | CSGP COSTAR GROUP, INC. | Boxer Gene | General Counsel and Secretary | Other | $0 |
| Mar 9 | CSGP COSTAR GROUP, INC. | Sams Louise S | Director | Buy | $48.4K |
| Mar 3 | CSGP COSTAR GROUP, INC. | DESMARAIS MICHAEL J | Chief Human Resources Officer | Other | $0 |
| Mar 3 | CSGP COSTAR GROUP, INC. | LOWN CHRISTIAN M. | Chief Financial Officer | Other | $0 |
| Mar 3 | CSGP COSTAR GROUP, INC. | Boxer Gene | General Counsel and Secretary | Other | $0 |
| Mar 3 | CSGP COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO, Director | Other | $0 |
| Mar 3 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Other | $0 |
| Feb 23 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Other | $0 |
| Feb 23 | CSGP COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO, Director | Other | $0 |
| Feb 23 | CSGP COSTAR GROUP, INC. | SIMURO FRANK | Chief Technology Officer | Other | $0 |
| Feb 23 | CSGP COSTAR GROUP, INC. | Ruggles Lisa | Senior VP, Global Operations | Other | $0 |
| Feb 18 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Other | $0 |
| Feb 18 | CSGP COSTAR GROUP, INC. | Ruggles Lisa | Senior VP, Global Operations | Other | $0 |
| Nov 17 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Sell | $126.6K |
| Nov 17 | CSGP COSTAR GROUP, INC. | Hill John W | Director | Sell | $154.5K |
| Sep 11 | CSGP COSTAR GROUP, INC. | Musslewhite Robert W | Director | Grant | $0 |
| Sep 11 | CSGP COSTAR GROUP, INC. | Hill John W | Director | Grant | $0 |
| Sep 11 | CSGP COSTAR GROUP, INC. | Brunner Angelique G. | Director | Grant | $0 |
| Sep 11 | CSGP COSTAR GROUP, INC. | Sams Louise S | Director | Grant | $0 |
| Sep 11 | CSGP COSTAR GROUP, INC. | Glaser Rachel C | Director | Grant | $0 |
| Sep 11 | CSGP COSTAR GROUP, INC. | BERISFORD JOHN L | Director | Grant | $0 |
| Sep 11 | CSGP COSTAR GROUP, INC. | McCarthy Christine M | Director | Grant | $0 |
| Sep 2 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Sell | $2.3M |
| Aug 5 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Other | $0 |
| Aug 5 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Other | $0 |
| Jul 29 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Sell | $2.3M |
| Jul 29 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Sell | $188.8K |
36 filings