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Midas Edge

COSTAR GROUP, INC.

For the period ended Jun 30, 2026. Filed Jul 29, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Jul 29, 2026

CSGP$31.24+2.3%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Exhibit No.Description
3.1Fourth Amended and Restated Certificate of Incorporation (Incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed with the SEC on June 7, 2021).
3.2Fourth Amended and Restated By-Laws (Incorporated by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed with the SEC on May 9, 2022).
*10.1CoStar Group, Inc. 2026 Employee Stock Purchase Plan (Incorporated by reference to Appendix B to Registrant’s Definitive Proxy Statement on Schedule 14A filed with the SEC on April 30, 2026, File No. 000-24531).
†#10.2Stock Purchase Agreement, dated May 28, 2026, by and among Bora Holdings Group, L.P., Bora, Inc. and CoStar Realty Information, Inc. (Incorporated by reference to Exhibit 10.1 to the Registrant's Current Report on Form 8-K filed with the SEC on May 29, 2026).
31.1Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith).
31.2Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith).
32.1Certification of Principal Executive Officer pursuant to 18 U.S.C. Sec. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith).
32.2Certification of Principal Financial Officer pursuant to 18 U.S.C. Sec. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith).
101.INSThe following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026, formatted in Inline XBRL: (i) Condensed Consolidated Statements of Operations; (ii) Condensed Consolidated Statements of Comprehensive Income; (iii) Condensed Consolidated Balance Sheets; (iv) Condensed Consolidated Statements of Changes in Stockholders’ Equity; (v) Condensed Consolidated Statements of Cash Flows; and (vi) Notes to Condensed Consolidated Financial Statements, tagged as blocks of text and including detailed tags.
101.SCHInline XBRL Taxonomy Extension Schema Document.
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document.
101.LABInline XBRL Taxonomy Extension Label Linkbase Document.
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document.
104The cover page from the Registrant's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026, formatted in Inline XBRL (included as Exhibit 101).
  • Management Contract or Compensatory Plan or Arrangement.

† Schedules and exhibits (or similar attachments) have been omitted from this exhibit pursuant to Item 601(a)(5) of Regulation S-K. The Company will furnish copies of any such schedules (or similar attachments) to the SEC upon request.

Certain personal information in this exhibit has been omitted in accordance with Item 601(a)(6) of Regulation S-K.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.