COSTAR GROUP, INC.
CSGP · Services-Business Services, NEC · 408.4M shares · +3%/yr ↑ shares · EDGAR filings ↗
Reference price $35.17 · est. market cap ~$14.4B — last insider purchase, 2026-05-01 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
C68gen composite 51pct→68
Notable findings
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC, Bridgewater Associates, LP
- Strong balance sheetStrong balance sheet — $1.6B cash & investments
- Notable holderHeld by 5 notable fund(s): STATE STREET CORP, GOLDMAN SACHS GROUP INC, FMR LLC +2 more (as of 2026-03-31)
Congressional trades
| Date | Member | Type | Owner | Amount |
|---|---|---|---|---|
| 2026-01-28 | Cisneros, Gilbert · CA31 | buy | self | $1K–$15K |
STOCK Act Periodic Transaction Reports (U.S. House Clerk). Amounts are disclosed ranges, not exact figures.
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
78.9%
Operating margin
-2.2%
Net margin
0.2%
Return on equity
0.1%
Return on assets
0.1%
ROIC
-0.6%
Revenue growth (QoQ)
22.5%
Net-income growth
-95.0%
Debt / equity
0.1×
Net debt / EBITDA
-3.4×
Current ratio
2.8×
Free cash flow
$123M
EBITDA
$191M
Tangible book value
$1.6B
Cash & investments
$1.6B
Stock comp / revenue
6.0%
Leadership & compensation
| Name | Role | Latest total comp |
|---|---|---|
| Andrew C. Florance | President and CEO | $36M FY2025 |
| Boxer Gene | General Counsel and Secretary | — |
| Cann Cynthia Cammett | Chief Accounting Officer | — |
| Christian M. Lown | Chief Financial Officer | $8M FY2025 |
| DESMARAIS MICHAEL J | Chief Human Resources Officer | — |
| Frank A. Simuro | Chief Technology Officer | $10M FY2025 |
| Frederick G. Saint | Marketplaces | $8M FY2025 |
| Lisa C. Ruggles | Global Operations | $6M FY2025 |
| Angelique G. Brunner | Director | $327K FY2025 |
| Christine M. McCarthy | Director | $299K FY2025 |
| Christopher J. Nassetta | Director | $25K FY2025 |
| John L. Berisford | Director | $299K FY2025 |
| John W. Hill | Director | $330K FY2025 |
| Laura Cox Kaplan | Director | $25K FY2025 |
| Louise S. Sams | Director | $395K FY2025 |
| Michael R. Klein | Director | $20K FY2025 |
| Rachel C. Glaser | Director | $314K FY2025 |
| Robert W. Musslewhite | Director | $325K FY2025 |
Officers & directors from SEC filings (Form 4 + DEF 14A proxy); compensation is the latest reported fiscal year.
Insider transactions · last 6 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-23 | Glaser Rachel C | Grant | 8.3K | — |
| 2026-06-23 | BERISFORD JOHN L | Grant | 8.3K | — |
| 2026-06-23 | Musslewhite Robert W | Grant | 8.3K | — |
| 2026-06-23 | Sams Louise S | Grant | 8.3K | — |
| 2026-06-23 | Hill John W | Grant | 8.3K | — |
| 2026-06-23 | Brunner Angelique G. | Grant | 8.3K | — |
| 2026-06-23 | McCarthy Christine M | Grant | 8.3K | — |
| 2026-06-15 | Cann Cynthia Cammett | Tax withheld | 461 | $32.04 |
| 2026-05-01 | FLORANCE ANDREW C | Buy | 3.1K | $35.82 |
| 2026-05-01 | FLORANCE ANDREW C | Buy | 68K | $35.17 |
| 2026-03-15 | Boxer Gene | Tax withheld | 482 | $43.63 |
| 2026-03-15 | Boxer Gene | Tax withheld | 428 | $43.63 |
| 2026-03-15 | Ruggles Lisa | Tax withheld | 3.0K | $43.63 |
| 2026-03-15 | Cann Cynthia Cammett | Tax withheld | 1.2K | $43.63 |
| 2026-03-15 | SIMURO FRANK | Tax withheld | 11K | $43.63 |
| 2026-03-15 | DESMARAIS MICHAEL J | Tax withheld | 2.9K | $43.63 |
| 2026-03-10 | DESMARAIS MICHAEL J | Grant | 18K | — |
| 2026-03-10 | Boxer Gene | Grant | 22K | — |
| 2026-03-10 | LOWN CHRISTIAN M. | Grant | 12K | — |
| 2026-03-10 | Cann Cynthia Cammett | Grant | 4.4K | — |
| 2026-03-10 | FLORANCE ANDREW C | Grant | 124K | — |
| 2026-03-06 | Sams Louise S | Buy | 1.0K | $48.36 |
| 2026-03-02 | SAINT FREDERICK G. | Buy | 20K | $45.33 |
| 2026-03-02 | Glaser Rachel C | Buy | 1.0K | $44.94 |
| 2026-03-01 | SAINT FREDERICK G. | Tax withheld | 11K | $44.63 |
| 2026-03-01 | SIMURO FRANK | Tax withheld | 19K | $44.63 |
| 2026-03-01 | DESMARAIS MICHAEL J | Tax withheld | 6.4K | $44.63 |
| 2026-03-01 | Boxer Gene | Tax withheld | 4.5K | $44.63 |
| 2026-03-01 | Ruggles Lisa | Tax withheld | 8.9K | $44.63 |
| 2026-03-01 | LOWN CHRISTIAN M. | Tax withheld | 7.2K | $44.63 |
| 2026-03-01 | Cann Cynthia Cammett | Tax withheld | 1.4K | $44.63 |
| 2026-03-01 | FLORANCE ANDREW C | Tax withheld | 60K | $44.63 |
| 2026-02-27 | FLORANCE ANDREW C | Buy | 56K | $44.52 |
| 2026-02-19 | SIMURO FRANK | Disposition | 31K | — |
| 2026-02-19 | SIMURO FRANK | Tax withheld | 4.4K | $49.07 |
| 2026-02-19 | Ruggles Lisa | Disposition | 18K | — |
| 2026-02-19 | Ruggles Lisa | Tax withheld | 3.2K | $49.07 |
| 2026-02-19 | SAINT FREDERICK G. | Disposition | 18K | — |
| 2026-02-19 | SAINT FREDERICK G. | Tax withheld | 2.1K | $49.07 |
| 2026-02-19 | FLORANCE ANDREW C | Disposition | 105K | — |
| 2026-02-19 | FLORANCE ANDREW C | Tax withheld | 19K | $49.07 |
| 2026-02-15 | SIMURO FRANK | Tax withheld | 4.2K | $44.99 |
| 2026-02-15 | Ruggles Lisa | Tax withheld | 3.6K | $44.99 |
| 2026-02-15 | SAINT FREDERICK G. | Tax withheld | 2.4K | $44.99 |
| 2026-02-15 | FLORANCE ANDREW C | Tax withheld | 17K | $44.99 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-25 | Exec/director changeShareholder voteReg FDExhibits | filing ↗ |
| 2026-05-29 | Material agreementReg FDExhibits | filing ↗ |
| 2026-04-28 | ResultsReg FDExhibits | filing ↗ |
| 2026-03-16 | Exec/director changeReg FD | filing ↗ |
| 2026-02-24 | ResultsReg FDExhibits | filing ↗ |
| 2026-02-13 | Exec/director changeExhibits | filing ↗ |
| 2026-01-07 | Exec/director changeReg FDExhibits | filing ↗ |
| 2025-10-28 | ResultsReg FD | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-25 | 2026-06-23 | 0001057352-26-000048 ↗ |
| 8-K | 2026-05-29 | 2026-05-28 | 0001193125-26-246361 ↗ |
| DEF 14A | 2026-04-30 | 2026-06-23 | 0001193125-26-197205 ↗ |
| 10-Q | 2026-04-29 | 2026-03-31 | 0001057352-26-000035 ↗ |
| 8-K | 2026-04-28 | 2026-04-28 | 0001057352-26-000030 ↗ |
| 8-K | 2026-03-16 | 2026-03-15 | 0001057352-26-000024 ↗ |
| 10-K | 2026-02-26 | 2025-12-31 | 0001057352-26-000020 ↗ |
| 8-K | 2026-02-24 | 2026-02-24 | 0001057352-26-000012 ↗ |
| 8-K | 2026-02-13 | 2026-02-13 | 0001057352-26-000008 ↗ |
| 8-K | 2026-01-07 | 2026-01-07 | 0001057352-26-000004 ↗ |
| 10-Q | 2025-10-29 | 2025-09-30 | 0001057352-25-000120 ↗ |
| 8-K | 2025-10-28 | 2025-10-28 | 0001057352-25-000116 ↗ |