Company facts
- Industry
- Services-Business Services, NEC
- Headquarters
- Arlington, Virginia
- Most recent report
- 10-Q, filed Jul 29, 2026
- Incorporated
- Delaware
- Filings on record
- 1,003+ filings
- On EDGAR
- CIK 1057352
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 61
News 8 of 136
Prospectuses and Registrations 8 of 25
- S-8 Registration statement for an employee plan Jul 29, 2026
- S-8 Registration statement for an employee plan Jul 23, 2025
- S-8 Registration statement for an employee plan Feb 28, 2025
- 424B3 Prospectus supplement for an offering Jun 10, 2024
- S-4/A Registration statement for a merger or exchange, amended Jun 10, 2024
- S-4 Registration statement for a merger or exchange May 21, 2024
- 424B2 Prospectus supplement for an offering Sep 19, 2022
- FWP Free writing prospectus Sep 14, 2022
Proxies 8 of 37
- DEFA14A Extra proxy material May 18, 2026
- DEFA14A Extra proxy material Apr 30, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 30, 2026
- DEFA14A Extra proxy material Jun 13, 2025
- DEFA14A Extra proxy material May 1, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 30, 2025
- DEFA14A Extra proxy material Apr 26, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 26, 2024
Ownership 8 of 697
- SCHEDULE 13G Large holder reported a passive stake Aug 14, 2026
- 4 Insider reported a trade Aug 10, 2026
- 4 Insider reported a trade Aug 10, 2026
- 144 Notice of a proposed sale of restricted stock Aug 5, 2026
- 4 Insider reported a trade Aug 5, 2026
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Aug 4, 2026
Other 8 of 47
- SD Conflict minerals disclosure May 20, 2026
- ARS Annual report sent to shareholders Apr 30, 2026
- ARS Annual report sent to shareholders Apr 30, 2025
- EFFECT Notice that a registration became effective Jun 10, 2024
- CORRESP Reply to SEC staff Jun 7, 2024
- UPLOAD Comment letter from SEC staff May 30, 2024
- ARS Annual report sent to shareholders Apr 26, 2024
- 425 Apr 24, 2024
Everything here comes from Costar Group, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.