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Costar Group, Inc. documents

Costar Group (CSGP) annual report: the 10-K filed 26 February 2026 for the year ended 31 December 2025. Proxy statement (DEF 14A) filed 30 April 2026; latest 10-Q filed 28 October 2026 for the quarter ended 30 September 2026. Each links to the document on EDGAR, with 4 earnings press releases.

Earnings press releases (exhibit 99 to each results 8-K)

FiledDocumentOpenWhere
27 October 2026Results press release, exhibit 99 to the 8-K filed 27 October 2026The releaseEDGAR folder
28 July 2026Results press release, exhibit 99 to the 8-K filed 28 July 2026The releaseEDGAR folder
28 April 2026Results press release, exhibit 99 to the 8-K filed 28 April 2026The releaseEDGAR folder
24 February 2026Results press release, exhibit 99 to the 8-K filed 24 February 2026The releaseEDGAR folder

Annual reports (10-K)

FiledDocumentOpenWhere
26 February 202610-K, period ended 31 December 2025The documentEDGAR folder

Quarterly reports (10-Q)

FiledDocumentOpenWhere
28 October 202610-Q, period ended 30 September 2026The documentEDGAR folder
29 July 202610-Q, period ended 30 June 2026The documentEDGAR folder
29 April 202610-Q, period ended 31 March 2026The documentEDGAR folder

Proxy statements

FiledDocumentOpenWhere
30 April 2026DEF 14A, period ended 23 June 2026The documentEDGAR folder

Annual report to shareholders

FiledDocumentOpenWhere
30 April 2026ARS, period ended 31 December 2025The documentEDGAR folder