XNAS · SERVICES-BUSINESS SERVICES, NEC · SERVICES-BUSINESS SERVICES, NEC
Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.
TL;DR: CoStar Group stockholders reelected all eight director nominees and approved the company's executive compensation program at the Annual Meeting held June 23, 2026.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 6/23/2026 | McCarthy Christine M | — | GRANT | 8,262 | — | — |
| 6/23/2026 | Sams Louise S | — | GRANT | 8,262 | — | — |
| 6/23/2026 | Musslewhite Robert W | — | GRANT | 8,262 | — | — |
| 6/23/2026 | Brunner Angelique G. | — | GRANT | 8,262 | — | — |
| 6/23/2026 | Hill John W | — | GRANT | 8,262 | — | — |
| 6/23/2026 | BERISFORD JOHN L | — | GRANT | 8,262 | — | — |
| 6/23/2026 | Glaser Rachel C | — | GRANT | 8,262 | — | — |
| 6/15/2026 | Cann Cynthia Cammett | Chief Accounting Officer | TAX_WITHHOLD | -461 | $32 | $14,770 |
| 5/1/2026 | FLORANCE ANDREW C | President and CEO | BUY | 3,100 | $36 | $111,042 |
| 5/1/2026 | FLORANCE ANDREW C | President and CEO | BUY | 68,330 | $35 | $2,403,166 |
| 3/15/2026 | Boxer Gene | General Counsel and Secretary | TAX_WITHHOLD | -482 | $44 | $21,030 |
| 3/15/2026 | Ruggles Lisa | Senior VP, Global Operations | TAX_WITHHOLD | -2,977 | $44 | $129,887 |
| 3/15/2026 | Boxer Gene | General Counsel and Secretary | TAX_WITHHOLD | -428 | $44 | $18,674 |
| 3/15/2026 | SIMURO FRANK | Chief Technology Officer | TAX_WITHHOLD | -11,107 | $44 | $484,598 |
| 3/15/2026 | DESMARAIS MICHAEL J | Chief Human Resources Officer | TAX_WITHHOLD | -2,873 | $44 | $125,349 |
| 3/15/2026 | Cann Cynthia Cammett | Chief Accounting Officer | TAX_WITHHOLD | -1,194 | $44 | $52,094 |
| 3/10/2026 | Cann Cynthia Cammett | Chief Accounting Officer | GRANT | 4,374 | — | — |
| 3/10/2026 | FLORANCE ANDREW C | President and CEO | GRANT | 124,162 | — | — |
| 3/10/2026 | LOWN CHRISTIAN M. | Chief Financial Officer | GRANT | 12,268 | — | — |
| 3/10/2026 | Boxer Gene | General Counsel and Secretary | GRANT | 21,920 | — | — |
| Institution | Shares | Value ($) | Change % | Filing date |
|---|---|---|---|---|
| Vanguard Group | 70,108,999 | $4,714,129,093 | — | 1/29/2026 |
| BlackRock | 38,561,085 | $2,858,918,861 | — | 8/13/2024 |
| State Street | 18,632,352 | $1,252,839,348 | — | 2/13/2026 |
| Tiger Global | 2,259,109 | $151,902,489 | — | 2/17/2026 |
| Fidelity (FMR) | 1,202,153 | $80,832,771 | — | 2/17/2026 |
| Citadel Advisors | 925,241 | $62,213,204 | — | 2/17/2026 |
| DE Shaw | 905,488 | $60,885,013 | — | 2/17/2026 |
| Millennium Management | 799,775 | $53,776,871 | — | 2/17/2026 |
| JP Morgan Chase | 772,040 | $51,911,996 | — | 2/11/2026 |
| AQR Capital | 369,352 | $24,835,224 | — | 2/17/2026 |
| Bridgewater Associates | 9,020 | $606,505 | — | 2/13/2026 |
| Point72 | 3,600 | $242,064 | — | 2/17/2026 |
| Two Sigma | 3,000 | $201,720 | — | 2/17/2026 |