← Screener

CSGPCoStar Group

Real estate · Business Services · Nasdaq

Compare with peers → Embed

Filings with the SEC since Jun 3, 2011

1,002 filings, 3 in the last 30 days

SEC filing index

Latest annual reportOpen ↗

Feb 26, 2026

10-K, period to Dec 31, 2025

Latest quarterly reportOpen ↗

Oct 28, 2026

10-Q, period to Sep 30, 2026

Latest current reportOpen ↗

Oct 27, 2026

8-K: Material agreement signed, Quarterly results, Regulation FD disclosure

Filed in the last 30 days

of 1,002 in all

Timeline

Every filing on one line

1 yr 2 yr 3 yr

Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)

20252026

All 30 events

Oct 28, 202610-Q Quarterly report (10-Q) period ended Sep 30, 2026
Oct 27, 20268-K Material agreement signed, Quarterly results, Regulation FD disclosure 8-K items 1.01, 2.02, 7.01
Aug 21, 20268-K Regulation FD disclosure 8-K item 7.01
Aug 5, 2026Buy FLORANCE ANDREW C (Founder and CEO) bought $2.5M open-market purchase on Aug 4, 2026
Jul 29, 202610-Q Quarterly report (10-Q) period ended Jun 30, 2026
Jul 28, 20268-K Quarterly results 8-K item 2.02
Jul 13, 2026Officer CFO change (the “Company” or “CoStar Group”) appointed Robin Rossmann to serve as the Company’s Chief Financial Officer, effective July 31, 2026 (“Effective Date”).
Jun 25, 20268-K Director or officer change, Shareholder vote results, Regulation FD disclosure 8-K items 5.02, 5.07, 7.01
May 29, 20268-K Material agreement signed, Regulation FD disclosure 8-K items 1.01, 7.01
May 4, 2026Buy FLORANCE ANDREW C (President and CEO) bought $2.5M open-market purchase on May 1, 2026
Apr 29, 202610-Q Quarterly report (10-Q) period ended Mar 31, 2026
Apr 28, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Mar 16, 20268-K Director or officer change, Regulation FD disclosure 8-K items 5.02, 7.01
Feb 26, 202610-K Annual report (10-K) period ended Dec 31, 2025
Feb 24, 20268-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Feb 13, 20268-K Director or officer change 8-K item 5.02
Jan 7, 20268-K Director or officer change, Regulation FD disclosure 8-K items 5.02, 7.01
Oct 29, 202510-Q Quarterly report (10-Q) period ended Sep 30, 2025
Oct 28, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Aug 27, 20258-K Regulation FD disclosure 8-K item 7.01
Jul 23, 202510-Q Quarterly report (10-Q) period ended Jun 30, 2025
Jul 22, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01
Jun 27, 20258-K Director or officer change, Shareholder vote results 8-K items 5.02, 5.07
May 9, 20258-K Material agreement signed, Regulation FD disclosure 8-K items 1.01, 7.01
May 1, 202510-Q Quarterly report (10-Q) period ended Mar 31, 2025
Apr 29, 20258-K Quarterly results 8-K item 2.02
Apr 7, 20258-K Material agreement signed, Director or officer change, Regulation FD disclosure 8-K items 1.01, 5.02, 7.01
Feb 28, 20258-K Acquisition or sale of assets completed, Regulation FD disclosure 8-K items 2.01, 7.01
Feb 20, 202510-K Annual report (10-K) period ended Dec 31, 2024
Feb 18, 20258-K Quarterly results, Regulation FD disclosure 8-K items 2.02, 7.01

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind

Each form links to sec.gov

All 1002 Annual & quarterly 62 Current reports (8-K) 137 Insiders 614 Proxy & votes 37 Big owners (13D/13G) 80 Shares & debt offered 23 SEC letters 19 Other 30

Filed	Form	What it is	Period
May 18, 2026	DEFA14A	Extra proxy material		all files
Apr 30, 2026	DEFA14A	Extra proxy material		all files
Apr 30, 2026	DEF 14A	Proxy statement	Jun 23, 2026	all files
Jun 13, 2025	DEFA14A	Extra proxy material		all files
May 1, 2025	DEFA14A	Extra proxy material		all files
Apr 30, 2025	DEF 14A	Proxy statement	Jun 26, 2025	all files
Apr 26, 2024	DEFA14A	Extra proxy material		all files
Apr 26, 2024	DEF 14A	Proxy statement	Jun 6, 2024	all files
May 12, 2023	PX14A6G	Shareholder's proxy letter		all files
Apr 27, 2023	DEFA14A	Extra proxy material		all files
Apr 27, 2023	DEF 14A	Proxy statement		all files
Apr 25, 2022	DEFA14A	Extra proxy material		all files
Apr 25, 2022	DEF 14A	Proxy statement	Jun 9, 2022	all files
Apr 26, 2021	DEFA14A	Extra proxy material		all files
Apr 19, 2021	DEFA14A	Extra proxy material		all files
Apr 19, 2021	DEF 14A	Proxy statement	Jun 2, 2021	all files
Apr 5, 2021	PRE 14A		Jun 2, 2021	all files
Apr 24, 2020	DEFA14A	Extra proxy material		all files
Apr 24, 2020	DEF 14A	Proxy statement	Jun 3, 2020	all files
Apr 24, 2019	DEFA14A	Extra proxy material		all files
Apr 24, 2019	DEF 14A	Proxy statement	Jun 5, 2019	all files
Apr 24, 2018	DEFA14A	Extra proxy material		all files
Apr 24, 2018	DEF 14A	Proxy statement	Jun 6, 2018	all files
Apr 24, 2017	DEFA14A	Extra proxy material		all files
Apr 24, 2017	DEF 14A	Proxy statement	Jun 6, 2017	all files
Apr 26, 2016	DEFA14A	Extra proxy material		all files
Apr 26, 2016	DEF 14A	Proxy statement	Jun 9, 2016	all files
Apr 20, 2015	DEFA14A	Extra proxy material		all files
Apr 20, 2015	DEF 14A	Proxy statement	Jun 3, 2015	all files
Apr 11, 2014	DEFA14A	Extra proxy material		all files
Apr 11, 2014	DEF 14A	Proxy statement	Jun 2, 2014	all files
Apr 25, 2013	DEFA14A	Extra proxy material		all files
Apr 25, 2013	DEF 14A	Proxy statement	Jun 4, 2013	all files
Apr 12, 2013	PRE 14A		Jun 4, 2013	all files
Apr 25, 2012	DEFA14A	Extra proxy material		all files
Apr 25, 2012	DEF 14A	Proxy statement	Jun 5, 2012	all files
Apr 11, 2012	PRE 14A		Jun 5, 2012	all files

Show the other 12 filings on this page

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

Next Earnings releases →