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COSTAR GROUP, INC.
CSGPNasdaqCIK: 0001057352
Over the 44 most recent insider filings, COSTAR GROUP, INC. (CSGP) has seen activity from 16 distinct insiders — 2 buying and 3 selling. The activity is a roughly balanced mix of buying and selling: $5.1M bought versus $5.3M sold, net sales of $259.6K. FLORANCE ANDREW C (Founder and CEO, Director) is the most active by dollar volume, and the single largest transaction was $2.7M by FLORANCE ANDREW C. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$16.0M
Purchases
$5.1M
Sales
$5.3M
Unique Insiders
16
Recent Insider Trades
44 loaded
| Aug 10 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Sell | $147.4K |
| Aug 10 | CSGP COSTAR GROUP, INC. | Hill John W | Director | Sell | $105.7K |
| Aug 5 | CSGP COSTAR GROUP, INC. | FLORANCE ANDREW C | Founder and CEO, Director | Buy | $2.5M |
| Aug 4 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Tax withheld | $41.3K |
| Aug 4 | CSGP COSTAR GROUP, INC. | Rossmann Robin Jack | Chief Financial Officer | Award | $0 |
| Aug 4 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Award | $31.0K |
| Aug 4 | CSGP COSTAR GROUP, INC. | Rossmann Robin Jack | Chief Financial Officer | Other | $0 |
| Jul 6 | CSGP COSTAR GROUP, INC. | LOWN CHRISTIAN M. | Chief Financial Officer | Tax withheld | $164.3K |
| 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 | Tax withheld | $14.8K |
| 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 | Tax withheld | $21.0K |
| 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 | Award | $283.5K |
| Mar 3 | CSGP COSTAR GROUP, INC. | LOWN CHRISTIAN M. | Chief Financial Officer | Award | $320.2K |
| Mar 3 | CSGP COSTAR GROUP, INC. | Boxer Gene | General Counsel and Secretary | Award | $202.9K |
| Mar 3 | CSGP COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO, Director | Award | $2.7M |
| Mar 3 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Award | $0 |
| Feb 23 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Tax withheld | $105.5K |
| Feb 23 | CSGP COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO, Director | Tax withheld | $943.2K |
| Feb 23 | CSGP COSTAR GROUP, INC. | SIMURO FRANK | Chief Technology Officer | Tax withheld | $216.9K |
| Feb 23 | CSGP COSTAR GROUP, INC. | Ruggles Lisa | Senior VP, Global Operations | Tax withheld | $158.0K |
| Feb 18 | CSGP COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | Tax withheld | $109.1K |
| Feb 18 | CSGP COSTAR GROUP, INC. | Ruggles Lisa | Senior VP, Global Operations | Tax withheld | $160.9K |
| 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 | Tax withheld | $136.7K |
| Aug 5 | CSGP COSTAR GROUP, INC. | Cann Cynthia Cammett | Chief Accounting Officer | Tax withheld | $68.4K |
| 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 |
44 filings