---
schema_version: "secwatch.filing_event.v1"
accession: "0001057352-26-000012"
form_type: "8-K"
ticker: "CSGP"
cik: "0001057352"
company_name: "COSTAR GROUP, INC."
filed_at: "2026-02-24T23:59:59+00:00"
generated_at: "2026-05-16T00:37:46.553115+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CoStar Q4 revenue $900M (+27% YoY); FY Adj. EBITDA $442M (+83%); affirms 2026 guidance

## Summary
- FY2025 revenue $3.2B (+19% YoY); net income $7M; Adj. EBITDA $442M (+83%).
- Q4 revenue $900M (+27% YoY); Adj. EBITDA $177M (+58%); Adj. EPS $0.31.
- Record net new bookings of $308M in 2025; $700M share repurchase planned for 2026.
- Affirms FY2026 revenue guidance $3.78B-$3.82B; Adj. EBITDA $740M-$800M.
- Segment structure changed to Commercial and Residential from geography-based.

## SEC filing metadata
- accession: 0001057352-26-000012
- form_type: 8-K
- ticker: CSGP
- cik: 0001057352
- company_name: COSTAR GROUP, INC.
- filed_at: 2026-02-24T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1057352/000105735226000012/0001057352-26-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1057352/000105735226000012/csgp-20260224.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001057352-26-000012
- JSON: https://secwatch.observer/filing/0001057352-26-000012.json
- Plain text: https://secwatch.observer/filing/0001057352-26-000012.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.