# COSTAR GROUP, INC. — DEF 14A

COSTAR GROUP, INC. of ARLINGTON, VA filed a DEF 14A with the SEC on 2007-04-30. Industry: Services-Business Services, NEC.

## Filing

- Filed: 2007-04-30
- Form: DEF 14A
- Accession: 0000950133-07-001961
- Registrant: COSTAR GROUP, INC.
- CIK: 0001057352
- Industry (SIC): Services-Business Services, NEC (7389)
- State of incorporation: DE
- Location: ARLINGTON, VA

## Documents (5)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | COSTAR GROUP DEFINITIVE PROXY STATEMENT |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-05-18](https://search.stillhousedata.com/proxy/0001193125-26-227978) | DEFA14A |
| [2026-04-30](https://search.stillhousedata.com/proxy/0001193125-26-197269) | DEFA14A |
| [2026-04-30](https://search.stillhousedata.com/proxy/0001193125-26-197205) | DEF 14A |
| [2025-06-13](https://search.stillhousedata.com/proxy/0001057352-25-000076) | DEFA14A |
| [2025-05-01](https://search.stillhousedata.com/proxy/0001193125-25-108318) | DEFA14A |
| [2025-04-30](https://search.stillhousedata.com/proxy/0001193125-25-107493) | DEF 14A |
| [2024-04-26](https://search.stillhousedata.com/proxy/0001193125-24-117793) | DEFA14A |
| [2024-04-26](https://search.stillhousedata.com/proxy/0001193125-24-117787) | DEF 14A |
| [2024-04-24](https://search.stillhousedata.com/proxy/0001193125-24-108047) | 425 |
| [2024-04-24](https://search.stillhousedata.com/proxy/0001193125-24-107446) | 425 |
| [2024-04-22](https://search.stillhousedata.com/proxy/0001193125-24-103938) | 425 |
| [2023-05-12](https://search.stillhousedata.com/proxy/0001214659-23-006928) | PX14A6G |

## More

- [CIK 1057352 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1057352&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950133-07-001961.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
