COSTAR GROUP, INC.
CSGP · Services Business Services, Nec
Latest available SEC filing: 10-Q ·
Latest disclosures
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Latest financial period: Q3 2026
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Rossmann Robin Jack: Form 4
Insider disclosure · Filed · Report period 15 Oct 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- CSGP · 22160N109 - Common Stock ($0.01 par value)
Company details and SEC sources
CIK 0001057352 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- CSGP on Nasdaq
- SEC industry group
- Services Business Services, Nec (Office of Trade and Services)
- Business address
- 1201 Wilson Blvd., Arlington, VA, 22209
- Incorporated in
- DE
- Fiscal year end
- 31 December
- Former names on EDGAR
- REALTY INFORMATION GROUP INC (to 05 May 1999)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields