List of insiders holdings for COSTAR GROUP INC.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| KLEIN MICHAEL R Director | 2024-12-12 16:16:17 | 1,848,592 0 | 1,848,592 | Form 4 |
| FLORANCE ANDREW C President and CEO | 2024-10-28 17:13:24 | 1,263,098 0 | 1,263,098 | Form 4 |
| SIMURO FRANK Chief Technology Officer | 2024-03-19 16:18:01 | 390,504 0 | 390,504 | Form 4 |
| Wheeler Scott T Chief Financial Officer | 2024-04-30 16:13:35 | 328,651 5,701 | 334,352 | Form 4 |
| SAINT FREDERICK G. President, Marketplaces | 2024-07-30 16:12:08 | 295,594 0 | 295,594 | Form 4 |
| BONDERMAN DAVID Director | 2014-09-15 17:41:07 | 294,277 0 | 294,277 | Form 4 |
| NASSETTA CHRISTOPHER J Director | 2024-12-02 16:55:38 | 229,715 46,000 | 275,715 | Form 4 |
| Ruggles Lisa Senior VP, Global Operations | 2024-06-04 16:11:59 | 172,605 0 | 172,605 | Form 4 |
| HABER WARREN H Director | 2018-09-24 16:28:08 | 121,049 0 | 121,049 | Form 4 |
| Glosserman Michael J Director | 2023-11-01 16:13:10 | 101,465 0 | 101,465 | Form 4 |
| ARABE MICHAEL D Sen. VP- Sales & Cust. Service | 2004-03-02 19:00:38 | 89,912 1,500 | 91,412 | Form 4 |
| DESMARAIS MICHAEL J Chief Human Resources Officer | 2024-11-27 18:33:50 | 58,798 0 | 58,798 | Form 4 |
| Radecki Brian J Chief Financial Officer | 2015-03-13 17:07:54 | 45,973 0 | 45,973 | Form 4 |
| Boxer Gene General Counsel and Secretary | 2024-03-19 16:16:53 | 43,308 0 | 43,308 | Form 4 |
| LOWN CHRISTIAN M. Chief Financial Officer | 2024-08-05 16:13:09 | 37,223 0 | 37,223 | Form 4/A |
| Cann Cynthia Cammett Chief Accounting Officer | 2024-07-30 16:12:19 | 28,995 0 | 28,995 | Form 4 |
| SCHAFFEL DAVID M Chief Information Officer | 2005-03-14 17:09:59 | 28,635 0 | 28,635 | Form 4 |
| Marples Paul Managing Director, CoStar UK Director | 2012-08-01 17:35:24 | 28,632 0 | 28,632 | Form 4 |
| Kitchen Jennifer Sr. Vice President, Research | 2013-09-11 16:55:40 | 22,220 0 | 22,220 | Form 4 |
| LOW JOSIAH O III Director | 2010-09-07 16:45:43 | 20,705 0 | 20,705 | Form 4 |
| Stanfill John L Sr. VP-Sales, Customer Service | 2014-03-12 17:50:06 | 20,105 0 | 20,105 | Form 4 |
| Linnington Matthew Executive VP, Sales | 2020-08-13 16:31:31 | 19,766 0 | 19,766 | Form 4 |
| Kaplan Laura Cox Director | 2024-08-05 16:13:30 | 17,835 0 | 17,835 | Form 4 |
| Hill John W Director | 2024-12-12 16:16:28 | 17,304 0 | 17,304 | Form 4 |
| Sams Louise S Director | 2024-08-05 16:13:51 | 16,118 0 | 16,118 | Form 4 |
| Musslewhite Robert W Director | 2024-08-05 16:13:41 | 15,156 0 | 15,156 | Form 4 |
| Tully Christopher Sr. VP-Sales, Customer Service | 2008-05-29 11:30:46 | 10,682 0 | 10,682 | Form 4 |
| Brunner Angelique G. Director | 2024-08-05 16:14:01 | 7,023 0 | 7,023 | Form 4 |
| CARCHEDI FRANCIS Executive VP, Corp. Dev. | 2018-10-02 16:17:56 | 6,540 0 | 6,540 | Form 4 |
| Steinberg David Jay Director | 2020-03-05 16:46:36 | 6,456 0 | 6,456 | Form 4 |
| FARRINGTON CRAIG Vice President, Research | 2007-05-01 16:27:06 | 6,307 0 | 6,307 | Form 4 |
| Reynolds Catherine B Director | 2007-09-18 16:16:44 | 5,736 0 | 5,736 | Form 4 |
| Yinger Scott L Interim CFO | 2015-08-11 17:23:23 | 4,583 0 | 4,583 | Form 3 |