| Klein Michael RDirector · 59 transactions | — | 1.85Mas of Dec 2024 | 50.8K | — | 974.6K |
| Florance Andrew CPresident and CEO, Director · 199 transactions | — | 1.72M | 3.23M | 141.9K | 1.47M |
| Wheeler Scott TChief Financial Officer · 89 transactions | — | 745.3K†as of Apr 2024 | 437.4K | — | 213.4K |
| Nassetta Christopher JDirector · 36 transactions | — | 549.3K†as of Dec 2024 | 48.6K | — | 14.4K |
| Simuro FrankChief Technology Officer · 28 transactions | — | 414.5K | 399.5K | — | 127.5K |
| Bonderman DavidDirector · 14 transactions | — | 294.3Kas of Sep 2014 | 31.7K | — | — |
| Saint Frederick G.President, Marketplaces · 39 transactions | — | 279.9K | 284.2K | 20.0K | 115.3K |
| Ruggles LisaSenior VP, Global Operations · 67 transactions | — | 174.9K | 247.3K | — | 81.2K |
| Lown Christian M.Chief Financial Officer · 4 transactions | — | 135.3K | 109.9K | — | — |
| Haber Warren HDirector · 21 transactions | — | 121.0Kas of Sep 2018 | 47.2K | — | 3.6K |
| Glosserman Michael JDirector · 18 transactions | — | 101.5Kas of Oct 2023 | 25.6K | — | 5.0K |
| Boxer GeneGeneral Counsel and Secretary · 13 transactions | — | 95.5K | 102.3K | — | — |
| Desmarais Michael JChief Human Resources Officer · 23 transactions | — | 87.7K | 86.9K | — | 19.2K |
| Radecki Brian JChief Financial Officer · 78 transactions | — | 46.0Kas of Mar 2015 | 205.2K | — | 133.1K |
| Sams Louise SDirector · 8 transactions | — | 28.7K | 25.6K | 1.0K | — |
| Marples PaulManaging Director, CoStar UK · 33 transactions | — | 28.6Kas of Jul 2012 | 28.2K | — | 19.3K |
| Musslewhite Robert WDirector · 7 transactions | — | 26.5K | 24.6K | — | — |
| Hill John WDirector · 39 transactions | — | 26.5K | 33.5K | — | 38.8K |
| Cann Cynthia CammettChief Accounting Officer · 16 transactions | — | 24.7K | 19.5K | — | 8.1K |
| Kitchen JenniferSr. Vice President, Research · 46 transactions | — | 22.2Kas of Sep 2013 | 79.5K | — | 53.2K |
| Low Josiah O IIIDirector · 6 transactions | — | 20.7Kas of Sep 2010 | 12.5K | — | — |
| Linnington MatthewExecutive VP, Sales · 43 transactions | — | 19.8Kas of Aug 2020 | 74.4K | — | 37.9K |
| Brunner Angelique G.Director · 4 transactions | — | 18.4K | 18.4K | — | — |
| Kaplan Laura CoxDirector · 12 transactions | — | 17.8Kas of Jul 2024 | 16.0K | — | 5.7K |
| Stanfill John LSr. VP-Sales, Customer Service · 62 transactions | — | 14.3Kas of Mar 2014 | 152.4K | — | 109.6K |
| Glaser Rachel CDirector · 3 transactions | — | 12.4K | 11.4K | 1.0K | — |
| McCarthy Christine MDirector · 2 transactions | — | 11.6K | 11.2K | — | — |
| Berisford John LDirector · 2 transactions | — | 11.2K | 11.2K | — | — |
| Tully ChristopherSr. VP-Sales, Customer Service · 11 transactions | — | 10.7Kas of May 2008 | 11.2K | — | — |
| Carchedi FrancisExecutive VP, Corp. Dev. · 71 transactions | — | 6.5Kas of Sep 2018 | 223.7K | — | 183.3K |
| Steinberg David JayDirector · 11 transactions | — | 6.5Kas of Mar 2020 | 8.5K | — | 2.1K |
| Farrington CraigVice President, Research · 11 transactions | — | 6.3Kas of Apr 2007 | 17.4K | — | 17.5K |
| Reynolds Catherine BDirector · 2 transactions | — | 5.7Kas of Sep 2007 | 3.9K | — | — |