| Lastest Insider Transactions Of COSTAR GROUP, INC. ( CSGP ) |
| Symbol | Company Name | Insider Name | Title | Date | Transation | Share | Price | Amount | File Date |
| CSGP | COSTAR GROUP, INC. | NASSETTA CHRISTOPHER J | Directior | 2024-11-27 | Sell | 1,681 | 80.39 | 135,136 | 2024-12-02 16:55:38 |
| CSGP | COSTAR GROUP, INC. | DESMARAIS MICHAEL J | Chief Human Resources Officer | 2024-11-26 | Sell | 5,500 | 79.88 | 439,340 | 2024-11-27 18:33:50 |
| CSGP | COSTAR GROUP, INC. | KLEIN MICHAEL R | Directior | 2024-10-25 | Sell | 71,633 | 74.69 | 5,350,269 | 2024-10-28 17:14:32 |
| CSGP | COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO | 2024-10-25 | Buy | 14,731 | 74.67 | 1,099,966 | 2024-10-28 17:13:24 |
| CSGP | COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | 2024-05-16 | Sell | 2,500 | 88.43 | 221,075 | 2024-05-17 16:08:29 |
| CSGP | COSTAR GROUP, INC. | Ruggles Lisa | Senior VP, Global Operations | 2024-05-09 | Sell | 20,000 | 91.15 | 1,823,000 | 2024-05-10 16:11:58 |
| CSGP | COSTAR GROUP, INC. | DESMARAIS MICHAEL J | Chief Human Resources Officer | 2024-04-26 | Sell | 3,800 | 92.67 | 352,146 | 2024-04-30 16:13:49 |
| CSGP | COSTAR GROUP, INC. | Wheeler Scott T | Chief Financial Officer | 2024-04-26 | Sell | 122,736 | 92.61 | 11,366,581 | 2024-04-30 16:13:35 |
| CSGP | COSTAR GROUP, INC. | Wheeler Scott T | Chief Financial Officer | 2024-04-26 | Option Exercise | 122,736 | 58.03 | 7,121,813 | 2024-04-30 16:13:35 |
| CSGP | COSTAR GROUP, INC. | Hill John W | Directior | 2023-11-28 | Sell | 3,020 | 84.07 | 253,891 | 2023-11-29 16:08:39 |
| CSGP | COSTAR GROUP, INC. | NASSETTA CHRISTOPHER J | Directior | 2023-11-08 | Sell | 1,500 | 77.86 | 116,790 | 2023-11-09 16:05:18 |
| CSGP | COSTAR GROUP, INC. | Wheeler Scott T | Chief Financial Officer | 2023-06-28 | Sell | 21,530 | 89.30 | 1,922,629 | 2023-06-30 16:06:13 |
| CSGP | COSTAR GROUP, INC. | Ruggles Lisa | Senior VP, Global Research | 2023-06-30 | Sell | 30,474 | 91.42 | 2,785,933 | 2023-06-30 16:05:04 |
| CSGP | COSTAR GROUP, INC. | SIMURO FRANK | Chief Technology Officer | 2023-06-27 | Sell | 92,300 | 89.65 | 8,274,695 | 2023-06-28 16:08:39 |
| CSGP | COSTAR GROUP, INC. | Hill John W | Directior | 2023-06-26 | Sell | 1,500 | 86.57 | 129,855 | 2023-06-28 16:07:22 |
| CSGP | COSTAR GROUP, INC. | Wheeler Scott T | Chief Financial Officer | 2023-06-12 | Sell | 24,670 | 80.68 | 1,990,376 | 2023-06-14 18:12:31 |
| CSGP | COSTAR GROUP, INC. | SAINT FREDERICK G. | President, Marketplaces | 2023-06-07 | Sell | 30,000 | 80.24 | 2,407,200 | 2023-06-09 16:05:57 |
| CSGP | COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO | 2023-04-28 | Sell | 360,530 | 76.77 | 27,677,888 | 2023-05-02 17:45:53 |
| CSGP | COSTAR GROUP, INC. | FLORANCE ANDREW C | President and CEO | 2023-04-28 | Option Exercise | 360,530 | 18.28 | 6,590,489 | 2023-05-02 17:45:53 |
| CSGP | COSTAR GROUP, INC. | Hill John W | Directior | 2023-03-31 | Sell | 2,300 | 68.50 | 157,550 | 2023-04-04 16:39:39 |
| CSGP | COSTAR GROUP, INC. | SIMURO FRANK | Chief Technology Officer | 2023-03-17 | Option Exercise | 23,590 | 21.19 | 499,774 | 2023-03-21 17:09:06 |
| CSGP | COSTAR GROUP, INC. | DESMARAIS MICHAEL J | Chief Human Resources Officer | 2023-03-08 | Sell | 5,600 | 70.36 | 394,016 | 2023-03-09 16:57:24 |
| CSGP | COSTAR GROUP, INC. | SIMURO FRANK | Chief Technology Officer | 2023-03-01 | Sell | 35,220 | 70.09 | 2,468,570 | 2023-03-03 17:45:59 |
| CSGP | COSTAR GROUP, INC. | SIMURO FRANK | Chief Technology Officer | 2023-03-01 | Option Exercise | 35,220 | 10.22 | 359,948 | 2023-03-03 17:45:59 |
