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<title>Cytosorbents Corp. (CTSO) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/ctso/</link>
<description>Every dated entry in the public record on Cytosorbents Corp.: results, filings, insider trades and the rest, from the filings, the last 90 days.</description>
<language>en</language>
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<lastBuildDate>Sat, 31 Oct 2026 00:00:00 +0000</lastBuildDate>
<item><title>Cytosorbents Corp.: short interest 114,402 shares at the 15 October 2026 settlement, 10.27 days to cover</title><link>https://greeksoup.ai/stocks/us/ctso/short-interest/</link><guid isPermaLink="false">us:CTSO:short-interest:2026-10-15:6f55be4d37</guid><pubDate>Thu, 15 Oct 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/ctso/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: short interest 123,890 shares at the 30 September 2026 settlement, 11.98 days to cover</title><link>https://greeksoup.ai/stocks/us/ctso/short-interest/</link><guid isPermaLink="false">us:CTSO:short-interest:2026-09-30:c7c5ecaf84</guid><pubDate>Wed, 30 Sep 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/ctso/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. filed 8-K: regulation fd disclosure, other events</title><link>https://greeksoup.ai/stocks/us/ctso/filings/</link><guid isPermaLink="false">us:CTSO:filing:2026-09-23:a05328c399</guid><pubDate>Wed, 23 Sep 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926109814/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Chan Phillip P. (Chief Executive Officer) bought 3,774 shares at $6.00 on 15 September 2026, $22,644</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-16:a199b73f83</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926108326/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Sobel Alan D. (Director) bought 1,900 shares at $6.12 on 15 September 2026, $11,628</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-16:c61fd0e0e1</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926108246/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Sobel Alan D. (Director) bought 500 shares at $6.05 on 15 September 2026, $3,025</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-16:f8d0b9a261</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926108246/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Sobel Alan D. (Director) bought 100 shares at $6.01 on 15 September 2026, $601</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-16:6d1f8634c1</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926108246/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Capponi Vincent (President and COO) bought 1,800 shares at $6.07 on 14 September 2026, $10,926</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-16:6267710bf3</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926108247/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Capponi Vincent (President and COO) bought 273 shares at $5.90 on 14 September 2026, $1,611</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-16:c1251f8d63</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926108247/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: short interest 120,606 shares at the 15 September 2026 settlement, 2.65 days to cover</title><link>https://greeksoup.ai/stocks/us/ctso/short-interest/</link><guid isPermaLink="false">us:CTSO:short-interest:2026-09-15:fa9257ccdc</guid><pubDate>Tue, 15 Sep 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/ctso/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: Chan Phillip P. (Chief Executive Officer) bought 200,000 shares at $0.35 on 4 September 2026, $70,000</title><link>https://greeksoup.ai/stocks/us/ctso/insiders/</link><guid isPermaLink="false">us:CTSO:insider:2026-09-09:5d3b2faf91</guid><pubDate>Wed, 09 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926106308/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. filed 8-K: charter or bylaw amendment, or fiscal year change</title><link>https://greeksoup.ai/stocks/us/ctso/filings/</link><guid isPermaLink="false">us:CTSO:filing:2026-09-08:300f89c4b9</guid><pubDate>Tue, 08 Sep 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1175151/000110465926105901/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: short interest 2,306,196 shares at the 31 August 2026 settlement, 18.30 days to cover</title><link>https://greeksoup.ai/stocks/us/ctso/short-interest/</link><guid isPermaLink="false">us:CTSO:short-interest:2026-08-31:e1d3e9e7f3</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/ctso/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. filed 8-K: shareholder vote</title><link>https://greeksoup.ai/stocks/us/ctso/filings/</link><guid isPermaLink="false">us:CTSO:filing:2026-08-14:c9615fe17f</guid><pubDate>Fri, 14 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/1175151/000110465926097092/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp.: short interest 2,158,099 shares at the 14 August 2026 settlement, 29.87 days to cover</title><link>https://greeksoup.ai/stocks/us/ctso/short-interest/</link><guid isPermaLink="false">us:CTSO:short-interest:2026-08-14:fcf866373d</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/ctso/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. filed 8-K: regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/ctso/filings/</link><guid isPermaLink="false">us:CTSO:filing:2026-08-07:961f5d1521</guid><pubDate>Fri, 07 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/1175151/000110465926092691/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. Q2 FY2026 results: revenue $10 million, net income -$4 million</title><link>https://greeksoup.ai/stocks/us/ctso/results/fy2026-q2/</link><guid isPermaLink="false">us:CTSO:result:2026-08-06:3520e3708b</guid><pubDate>Thu, 06 Aug 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=0001175151&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/ctso/filings/</link><guid isPermaLink="false">us:CTSO:filing:2026-08-06:d6819a307e</guid><pubDate>Thu, 06 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/1175151/000110465926092039/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Cytosorbents Corp. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/ctso/filings/</link><guid isPermaLink="false">us:CTSO:filing:2026-08-06:461754ddeb</guid><pubDate>Thu, 06 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/1175151/000110465926092006/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ctso/filings/">The page on GreekSoup</a>.</p>]]></description></item>
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