CoStar Group, Inc. 8-K Report: Key Updates from October 28, 2025

Based on the provided section of the financial report, here are the key pieces of information extracted:

1. Entity Information:

• Company Name: CoStar Group, Inc.
• CIK (Central Index Key): 0001057352
• State of Incorporation: Delaware (DE)
• IRS Employer Identification Number (EIN): 52-2091509
• Address: 1201 Wilson Blvd., Arlington, VA 22209
• Contact Number: 202-346-6500

2. Filing Information:

• Filing Type: 8-K (Current Report)
• Filing Date: October 28, 2025
• Period Covered: The report covers the date of October 28, 2025.

3. Stock Information:

• Common Stock Par Value: $0.01
• Stock Ticker Symbol: CSGP
• Stock Exchange: NASDAQ

4. XBRL and XML Information:

• The document is formatted in XBRL (eXtensible Business Reporting Language), which is commonly used for financial reporting.
• Schema reference provided for validation purposes: csgp-20251028.xsd.

Insights:

• The filing is an 8-K report, which typically indicates that it contains important information that shareholders should be aware of regarding the company’s operations or financial status.
• The report was filed on the same date it covers, suggesting that it may contain timely and relevant updates or events that occurred on that specific day.
• The report is associated with CoStar Group, Inc., a company listed on NASDAQ under the ticker CSGP, indicating it operates in the public financial market and is subject to regulatory scrutiny.

This summary captures the essential details and context of the filing, which can be useful for further analysis or for stakeholders interested in the company's latest developments.