---
schema_version: "secwatch.filing_event.v1"
accession: "0001057352-26-000048"
form_type: "8-K"
ticker: "CSGP"
cik: "0001057352"
company_name: "COSTAR GROUP, INC."
filed_at: "2026-06-25T13:00:20+00:00"
generated_at: "2026-06-25T13:01:26.891949+00:00"
event_type: "other"
sentiment: "positive"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# CoStar stockholders reelect all directors and approve say-on-pay at 2026 annual meeting

## Summary
- All eight director nominees reelected; Andrew Florance received 99.46% votes for.
- Advisory say-on-pay approved with 71.38% votes for after compensation redesign.
- Stockholders approved 2026 Employee Stock Purchase Plan authorizing 2.5M shares.
- Ernst & Young ratified as independent auditor for fiscal year 2026.
- CEO highlights focus on revenue growth, EBITDA margin expansion, and AI investments.

## SEC filing metadata
- accession: 0001057352-26-000048
- form_type: 8-K
- ticker: CSGP
- cik: 0001057352
- company_name: COSTAR GROUP, INC.
- filed_at: 2026-06-25T13:00:20+00:00
- event_type: other
- sentiment: positive
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 5.07, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1057352/000105735226000048/0001057352-26-000048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1057352/000105735226000048/csgp-20260623.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001057352-26-000048
- JSON: https://secwatch.observer/filing/0001057352-26-000048.json
- Plain text: https://secwatch.observer/filing/0001057352-26-000048.txt

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