CoStar Group Announces Results for Quarter Ended June 30, 2026

What Happened
CoStar Group, Inc. (CSGP) announced its financial and operating results for the quarter ended June 30, 2026 via a press release dated July 28, 2026. The company furnished that press release as Exhibit 99.1 to its Form 8-K (filed July 28, 2026), disclosing its quarterly results under Item 2.02 (Results of Operations and Financial Condition).

Key Details

• Announcement date: July 28, 2026; results cover the quarter ended June 30, 2026.
• Press release furnished as Exhibit 99.1 to the Form 8-K.
• The filing includes an interactive XBRL cover page (Exhibit 104).
• Form 8-K signed by Chief Financial Officer Christian M. Lown.

Why It Matters
This Form 8-K notifies investors that CoStar has publicly released its quarterly results; those results (revenue, earnings, guidance and operating metrics) are contained in the attached press release. Investors should review the Exhibit 99.1 press release and related filings for the specific financial figures and management commentary, as quarterly results can affect valuation, guidance expectations, and short-term stock performance.