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<title>Costar Group, Inc. (CSGP) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/csgp/</link>
<description>Every dated entry in the public record on Costar Group, Inc.: results, filings, insider trades and the rest, from the filings, the last 90 days.</description>
<language>en</language>
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<lastBuildDate>Wed, 23 Sep 2026 00:00:00 +0000</lastBuildDate>
<item><title>Costar Group, Inc.: Gilbert Cisneros (CA31) disclosed a purchase, $1,001 - $15,000, traded 19 August 2026</title><link>https://greeksoup.ai/stocks/us/csgp/congress/</link><guid isPermaLink="false">us:CSGP:congress:2026-09-10:064fdd2179</guid><pubDate>Thu, 10 Sep 2026 00:00:00 +0000</pubDate><category>House trade</category><description><![CDATA[<p>House trade. <a href="https://disclosures-clerk.house.gov/public_disc/ptr-pdfs/2026/20035390.pdf">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/congress/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: short interest 18,901,758 shares at the 31 August 2026 settlement, 2.51 days to cover</title><link>https://greeksoup.ai/stocks/us/csgp/short-interest/</link><guid isPermaLink="false">us:CSGP:short-interest:2026-08-31:47603df9bc</guid><pubDate>Mon, 31 Aug 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. filed 8-K: regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/csgp/filings/</link><guid isPermaLink="false">us:CSGP:filing:2026-08-21:39f5781ac2</guid><pubDate>Fri, 21 Aug 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000105735226000072/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: Schedule 13G filed by BAMCO INC /NY/, 5.3% of the class</title><link>https://greeksoup.ai/stocks/us/csgp/holders/</link><guid isPermaLink="false">us:CSGP:schedule-13:2026-08-14:3d36a314f9</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000101791826000058/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: short interest 16,691,379 shares at the 14 August 2026 settlement, 2.79 days to cover</title><link>https://greeksoup.ai/stocks/us/csgp/short-interest/</link><guid isPermaLink="false">us:CSGP:short-interest:2026-08-14:3edd326c56</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: Cann Cynthia Cammett (Chief Accounting Officer) sold 4,788 shares at $30.78 on 7 August 2026, $147,375</title><link>https://greeksoup.ai/stocks/us/csgp/insiders/</link><guid isPermaLink="false">us:CSGP:insider:2026-08-10:e1ad14a9a5</guid><pubDate>Mon, 10 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000147276226000012/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: Hill John W (Director) sold 3,500 shares at $30.21 on 5 August 2026, $105,735</title><link>https://greeksoup.ai/stocks/us/csgp/insiders/</link><guid isPermaLink="false">us:CSGP:insider:2026-08-10:31200bbf9c</guid><pubDate>Mon, 10 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000135168926000005/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: Form 144, Hill John W plans to sell 3,500 shares worth $106,068 around 5 August 2026</title><link>https://greeksoup.ai/stocks/us/csgp/planned-sales/</link><guid isPermaLink="false">us:CSGP:planned-sale:2026-08-05:4724f84100</guid><pubDate>Wed, 05 Aug 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000196530126000108/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: Florance Andrew C (Founder and CEO) bought 83,300 shares at $29.89 on 4 August 2026, $2.5 million</title><link>https://greeksoup.ai/stocks/us/csgp/insiders/</link><guid isPermaLink="false">us:CSGP:insider:2026-08-05:bdd2cf4d64</guid><pubDate>Wed, 05 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000162828026052968/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: short interest 16,312,412 shares at the 31 July 2026 settlement, 1.92 days to cover</title><link>https://greeksoup.ai/stocks/us/csgp/short-interest/</link><guid isPermaLink="false">us:CSGP:short-interest:2026-07-31:0712f09d89</guid><pubDate>Fri, 31 Jul 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. Q2 FY2026 results: revenue $925 million, net income $55 million</title><link>https://greeksoup.ai/stocks/us/csgp/results/fy2026-q2/</link><guid isPermaLink="false">us:CSGP:result:2026-07-29:89ea346c5f</guid><pubDate>Wed, 29 Jul 2026 00:00:00 +0000</pubDate><category>Results</category><description><![CDATA[<p>Results. <a href="https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001057352&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. filed S-8: s-8</title><link>https://greeksoup.ai/stocks/us/csgp/filings/</link><guid isPermaLink="false">us:CSGP:filing:2026-07-29:3d6ad8b532</guid><pubDate>Wed, 29 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000119312526323889/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/csgp/filings/</link><guid isPermaLink="false">us:CSGP:filing:2026-07-29:fcaf16f645</guid><pubDate>Wed, 29 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000105735226000066/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/csgp/filings/</link><guid isPermaLink="false">us:CSGP:filing:2026-07-28:d33e23098a</guid><pubDate>Tue, 28 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000105735226000061/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: short interest 16,321,416 shares at the 15 July 2026 settlement, 2.45 days to cover</title><link>https://greeksoup.ai/stocks/us/csgp/short-interest/</link><guid isPermaLink="false">us:CSGP:short-interest:2026-07-15:6d5c0b48f8</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. filed 8-K: officer or director change, regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/csgp/filings/</link><guid isPermaLink="false">us:CSGP:filing:2026-07-13:47274ff21b</guid><pubDate>Mon, 13 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000105735226000054/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc.: short interest 15,266,339 shares at the 30 June 2026 settlement, 1.90 days to cover</title><link>https://greeksoup.ai/stocks/us/csgp/short-interest/</link><guid isPermaLink="false">us:CSGP:short-interest:2026-06-30:e71dbb3a8c</guid><pubDate>Tue, 30 Jun 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Costar Group, Inc. filed 8-K: officer or director change, shareholder vote, regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/csgp/filings/</link><guid isPermaLink="false">us:CSGP:filing:2026-06-25:e33b556ca6</guid><pubDate>Thu, 25 Jun 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1057352/000105735226000048/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/csgp/filings/">The page on GreekSoup</a>.</p>]]></description></item>
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