Recent filings by CoStar Group, Inc.

Published Title Summary
2026-08-14 10:45:40 SCHEDULE 13G - COSTAR GROUP, INC. (0001057352) (Subject) Passive 5% Ownership Report SEC-SCHEDULE 13G filed by CoStar Group,...
Passive 5% Ownership Report SEC-SCHEDULE 13G filed by CoStar Group, Inc. on 2026-08-14 10:45:40-04:00
2026-07-29 16:06:11 10-Q - COSTAR GROUP, INC. (0001057352) (Filer) Quarterly Report SEC-10-Q filed by CoStar Group, Inc. on 2026-07-29...
Quarterly Report SEC-10-Q filed by CoStar Group, Inc. on 2026-07-29 16:06:11-04:00
2026-07-28 16:05:38 8-K - COSTAR GROUP, INC. (0001057352) (Filer)
Item 2.02: Results of Operations and Financial Condition
Item 9.01:...

Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits
2026-07-13 17:06:31 8-K - COSTAR GROUP, INC. (0001057352) (Filer)
Item 5.02: Departure of Directors or Certain Officers; Election of...

Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits
2026-06-25 09:00:20 8-K - COSTAR GROUP, INC. (0001057352) (Filer)
Item 5.02: Departure of Directors or Certain Officers; Election of...

Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits
2026-05-29 08:05:09 8-K - COSTAR GROUP, INC. (0001057352) (Filer)
Item 1.01: Entry into a Material Definitive Agreement
Item 7.01:...

Item 1.01: Entry into a Material Definitive Agreement
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits
2026-04-29 17:48:20 SCHEDULE 13G - COSTAR GROUP, INC. (0001057352) (Subject) Passive 5% Ownership Report SEC-SCHEDULE 13G filed by CoStar Group,...
Passive 5% Ownership Report SEC-SCHEDULE 13G filed by CoStar Group, Inc. on 2026-04-29 17:48:20-04:00
2026-04-29 16:09:41 10-Q - COSTAR GROUP, INC. (0001057352) (Filer) Quarterly Report SEC-10-Q filed by CoStar Group, Inc. on 2026-04-29...
Quarterly Report SEC-10-Q filed by CoStar Group, Inc. on 2026-04-29 16:09:41-04:00
2026-04-28 16:05:10 8-K - COSTAR GROUP, INC. (0001057352) (Filer)
Item 2.02: Results of Operations and Financial Condition
Item 7.01:...

Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits
2026-03-16 06:05:44 8-K - COSTAR GROUP, INC. (0001057352) (Filer)
Item 5.02: Departure of Directors or Certain Officers; Election of...

Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 7.01: Regulation FD Disclosure
2026-03-09 08:00:08 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-09 08:00:08-04:00
2026-03-03 19:06:40 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:40-05:00
2026-03-03 19:06:35 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:35-05:00
2026-03-03 19:06:29 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:29-05:00
2026-03-03 19:06:23 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:23-05:00
2026-03-03 19:06:17 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:17-05:00
2026-03-03 19:06:11 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:11-05:00
2026-03-03 19:06:04 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:06:04-05:00
2026-03-03 19:05:56 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 19:05:56-05:00
2026-03-03 16:09:37 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 16:09:37-05:00
2026-03-03 16:09:07 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-03 16:09:07-05:00
2026-03-02 16:00:49 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-03-02 16:00:49-05:00
2026-02-25 18:14:36 10-K - Annual report [Section 13 and 15(d), not S-K Item 405] Annual Report SEC-10-K filed by CoStar Group, Inc. on 2026-02-25...
Annual Report SEC-10-K filed by CoStar Group, Inc. on 2026-02-25 18:14:36-05:00
2026-02-24 16:04:19 8-K - Current report Filed: 2026-02-24 AccNo: 0001057352-26-000012 Size: 3 MB
Item 2.02: Results of...
Filed: 2026-02-24 AccNo: 0001057352-26-000012 Size: 3 MB
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits
2026-02-23 17:18:12 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-02-23 17:18:12-05:00
2026-02-23 17:18:06 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-02-23 17:18:06-05:00
2026-02-23 17:18:00 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-02-23 17:18:00-05:00
2026-02-23 17:17:55 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-02-23 17:17:55-05:00
2026-02-18 16:05:54 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-02-18 16:05:54-05:00
2026-02-18 16:05:47 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by CoStar Group, Inc. on 2026-02-18 16:05:47-05:00