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 | 2023-12-01 16:04:07 | 2,003,725 0 | 2,003,725 | Form 4 |
| FLORANCE ANDREW C President and CEO | 2024-03-05 16:34:56 | 1,248,367 0 | 1,248,367 | 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 | 2024-03-19 16:17:37 | 303,417 5701 | 309,118 | Form 4 |
| BONDERMAN DAVID Director | 2014-09-15 17:41:07 | 294,277 0 | 294,277 | Form 4 |
| SAINT FREDERICK G. President, Marketplaces | 2024-03-05 16:34:38 | 285,356 0 | 285,356 | Form 4 |
| NASSETTA CHRISTOPHER J Director | 2023-11-09 16:05:18 | 273,615 0 | 273,615 | Form 4 |
| Ruggles Lisa Senior VP, Global Operations | 2024-03-19 16:17:19 | 192,616 0 | 192,616 | 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 1500 | 91,412 | Form 4 |
| DESMARAIS MICHAEL J Chief Human Resources Officer | 2024-03-19 16:18:33 | 67,887 0 | 67,887 | 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 |
| 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 |
| Hill John W Director | 2023-11-29 16:08:39 | 17,870 0 | 17,870 | Form 4 |
| Kaplan Laura Cox Director | 2023-11-01 16:13:20 | 14,383 0 | 14,383 | Form 4 |
| Sams Louise S Director | 2023-11-01 16:12:40 | 12,627 0 | 12,627 | Form 4 |
| Musslewhite Robert W Director | 2023-11-01 16:12:08 | 11,863 0 | 11,863 | Form 4 |
| Tully Christopher Sr. VP-Sales, Customer Service | 2008-05-29 11:30:46 | 10,682 0 | 10,682 | Form 4 |
| CARCHEDI FRANCIS Executive VP, Corp. Dev. | 2018-10-02 16:17:56 | 6540 0 | 6540 | Form 4 |
| Steinberg David Jay Director | 2020-03-05 16:46:36 | 6456 0 | 6456 | Form 4 |
| FARRINGTON CRAIG Vice President, Research | 2007-05-01 16:27:06 | 6307 0 | 6307 | Form 4 |
| Reynolds Catherine B Director | 2007-09-18 16:16:44 | 5736 0 | 5736 | Form 4 |
| Yinger Scott L Interim CFO | 2015-08-11 17:23:23 | 4583 0 | 4583 | Form 3 |
| Brunner Angelique G. Director | 2023-11-01 16:13:34 | 3532 0 | 3532 | Form 4 |