A business in context
CSGP research notebook
Read the disclosures. Follow the relationships. Keep the dates in view.
Filing timeline
Download filings CSVReported insider transactions
Download transactions CSVP · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift
| Transaction / filed | Reporting owner | Type | Security | Shares | Reported price |
|---|---|---|---|---|---|
| 2026-06-23 | Sams Louise S | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-23 | Brunner Angelique G. | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-23 | McCarthy Christine M | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-23 | Glaser Rachel C | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-23 | BERISFORD JOHN L | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-23 | Musslewhite Robert W | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-23 | Hill John W | A · Grant / award | Common Stock, par value $0.01 per share | 8262.0 | 0.0 |
| 2026-06-15 | Cann Cynthia Cammett | F · Tax / exercise payment | Common Stock, par value $0.01 per share | 461.0 | 32.04 |
| 2026-05-01 | FLORANCE ANDREW C | P · Purchase | Common Stock, par value $0.01 per share | 68330.0 | 35.17 |
| 2026-05-01 | FLORANCE ANDREW C | P · Purchase | Common Stock, par value $0.01 per share | 3100.0 | 35.82 |
Identity & relationships
SEC issuer · 0001057352COSTAR GROUP, INC.
LoopNetSTR, Inc.Apartments.comHomes.comOnTheMarketDomain GroupZonda Home
- Legal Entity Identifier
- 984500Q1D53D08E2E698
- GLEIF legal name
- COSTAR GROUP, INC.
- Entity / LEI registration status
- ACTIVE / ISSUED
- Reference data updated
- 2026-01-21T15:02:44Z
Search names and former names
View Wikidata identity and references ↗
- CoStar Group · alias · wikidata
- CoStar Realty Information, Inc. · alias · wikidata
- LoopNet · subsidiary · wikidata
- LoopNet, Inc. · subsidiary · wikidata
- LoopNet Inc · subsidiary · wikidata
- LoopNet Canada Inc. · subsidiary · wikidata
- STR, Inc. · subsidiary · wikidata
- STR Inc · subsidiary · wikidata
- STR · subsidiary · wikidata
- Smith Travel Research, Inc. · subsidiary · wikidata
- Smith Travel Research · subsidiary · wikidata
- STR, Inc · subsidiary · wikidata
- STR, LLC · subsidiary · wikidata
- STR LLC · subsidiary · wikidata
- Apartments.com · subsidiary · wikidata
- Apartmentscom · subsidiary · wikidata
- Apartments-com · subsidiary · wikidata
- Homes.com · subsidiary · wikidata
- OnTheMarket · subsidiary · wikidata
- Domain Group · subsidiary · wikidata
- DOMAIN HOLDINGS AUSTRALIA LIMITED. · subsidiary · wikidata
- Zonda Home · subsidiary · wikidata
- COSTAR GROUP, INC. · former SEC name · 2019-07-23 to 2026-08-21
- COSTAR GROUP INC · former SEC name · 1999-12-10 to 2019-06-25
- REALTY INFORMATION GROUP INC · former SEC name · 1998-07-17 to 1999-05-05
Revenue in constant purchasing power
| Year ended | Reported USD revenue | CPI-adjusted USD revenue |
|---|---|---|
| 2024-12-31 | $2.74B | $2.91B |
| 2023-12-31 | $2.46B | $2.69B |
| 2022-12-31 | $2.18B | $2.49B |
| 2021-12-31 | $1.94B | $2.40B |
| 2020-12-31 | $1.66B | $2.14B |
| 2019-12-31 | $1.40B | $1.83B |
| 2018-12-31 | $1.19B | $1.58B |
| 2017-12-31 | $965.23M | $1.31B |