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<title>Regeneron Pharmaceuticals, Inc. (REGN) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/regn/</link>
<description>Every dated entry in the public record on Regeneron Pharmaceuticals, 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>Regeneron Pharmaceuticals, Inc.: Form 144, McCourt Marion plans to sell 1,131 shares worth $969,267 around 3 September 2026</title><link>https://greeksoup.ai/stocks/us/regn/planned-sales/</link><guid isPermaLink="false">us:REGN:planned-sale:2026-09-03:16fcca8bd3</guid><pubDate>Thu, 03 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/872589/000196922326000991/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Mccourt Marion (EVP Commercial) sold 1,131 shares at $857.39 on 3 September 2026, $969,708</title><link>https://greeksoup.ai/stocks/us/regn/insiders/</link><guid isPermaLink="false">us:REGN:insider:2026-09-03:7328c1524e</guid><pubDate>Thu, 03 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/872589/000166375826000002/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Mccourt Marion (EVP Commercial) sold 1,215 shares at $850.00 on 2 September 2026, $1.0 million</title><link>https://greeksoup.ai/stocks/us/regn/insiders/</link><guid isPermaLink="false">us:REGN:insider:2026-09-03:4d6b005360</guid><pubDate>Thu, 03 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/872589/000166375826000002/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Guarini Kathryn (Director) sold 400 shares at $850.00 on 2 September 2026, $340,000</title><link>https://greeksoup.ai/stocks/us/regn/insiders/</link><guid isPermaLink="false">us:REGN:insider:2026-09-03:119336abe9</guid><pubDate>Thu, 03 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/872589/000199235226000007/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Form 144, Guarini Kathryn plans to sell 400 shares worth $340,000 around 2 September 2026</title><link>https://greeksoup.ai/stocks/us/regn/planned-sales/</link><guid isPermaLink="false">us:REGN:planned-sale:2026-09-02:d42a3f6450</guid><pubDate>Wed, 02 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/872589/000196922326000987/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Form 144, McCourt Marion plans to sell 1,215 shares worth $1.0 million around 2 September 2026</title><link>https://greeksoup.ai/stocks/us/regn/planned-sales/</link><guid isPermaLink="false">us:REGN:planned-sale:2026-09-02:f4cf374f61</guid><pubDate>Wed, 02 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/872589/000196922326000988/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: short interest 2,552,029 shares at the 31 August 2026 settlement, 3.85 days to cover</title><link>https://greeksoup.ai/stocks/us/regn/short-interest/</link><guid isPermaLink="false">us:REGN:short-interest:2026-08-31:833b2054d6</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/regn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: short interest 2,396,152 shares at the 14 August 2026 settlement, 3.15 days to cover</title><link>https://greeksoup.ai/stocks/us/regn/short-interest/</link><guid isPermaLink="false">us:REGN:short-interest:2026-08-14:86194ffbe7</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/regn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Guarini Kathryn (Director) sold 400 shares at $800.00 on 10 August 2026, $320,000</title><link>https://greeksoup.ai/stocks/us/regn/insiders/</link><guid isPermaLink="false">us:REGN:insider:2026-08-12:1da0477d8e</guid><pubDate>Wed, 12 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/872589/000199235226000005/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Zoghbi Huda Y (Director) sold 800 shares at $800.00 on 10 August 2026, $640,000</title><link>https://greeksoup.ai/stocks/us/regn/insiders/</link><guid isPermaLink="false">us:REGN:insider:2026-08-12:29ad02adc9</guid><pubDate>Wed, 12 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/872589/000168164326000006/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Form 144, Guarini Kathryn plans to sell 400 shares worth $320,000 around 10 August 2026</title><link>https://greeksoup.ai/stocks/us/regn/planned-sales/</link><guid isPermaLink="false">us:REGN:planned-sale:2026-08-10:61b5d098d2</guid><pubDate>Mon, 10 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/872589/000196922326000870/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Form 144, Zoghbi Huda Y plans to sell 800 shares worth $640,000 around 10 August 2026</title><link>https://greeksoup.ai/stocks/us/regn/planned-sales/</link><guid isPermaLink="false">us:REGN:planned-sale:2026-08-10:d64f6203f7</guid><pubDate>Mon, 10 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/872589/000196922326000871/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: short interest 3,385,841 shares at the 31 July 2026 settlement, 3.94 days to cover</title><link>https://greeksoup.ai/stocks/us/regn/short-interest/</link><guid isPermaLink="false">us:REGN:short-interest:2026-07-31:606171683e</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/regn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc. Q2 FY2026 results: revenue $4.3 billion, net income $1.3 billion</title><link>https://greeksoup.ai/stocks/us/regn/results/fy2026-q2/</link><guid isPermaLink="false">us:REGN:result:2026-07-30:8ed1436b87</guid><pubDate>Thu, 30 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=0000872589&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/regn/filings/</link><guid isPermaLink="false">us:REGN:filing:2026-07-30:87680e84bd</guid><pubDate>Thu, 30 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/872589/000087258926000025/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/regn/filings/</link><guid isPermaLink="false">us:REGN:filing:2026-07-30:785ef75aac</guid><pubDate>Thu, 30 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/872589/000087258926000023/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: short interest 3,501,203 shares at the 15 July 2026 settlement, 4.72 days to cover</title><link>https://greeksoup.ai/stocks/us/regn/short-interest/</link><guid isPermaLink="false">us:REGN:short-interest:2026-07-15:39f1533162</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/regn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Ryan Arthur F (Director) sold 200 shares at $650.15 on 2 July 2026, $130,030</title><link>https://greeksoup.ai/stocks/us/regn/insiders/</link><guid isPermaLink="false">us:REGN:insider:2026-07-07:15b0a97fbb</guid><pubDate>Tue, 07 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/872589/000118744326000010/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/regn/filings/</link><guid isPermaLink="false">us:REGN:filing:2026-07-06:def8f2c959</guid><pubDate>Mon, 06 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/872589/000110465926080562/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: Form 144, Arthur F. Ryan plans to sell 400 shares worth $249,888 around 2 July 2026</title><link>https://greeksoup.ai/stocks/us/regn/planned-sales/</link><guid isPermaLink="false">us:REGN:planned-sale:2026-07-02:f73a098db3</guid><pubDate>Thu, 02 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/872589/000196858226000693/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/regn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Regeneron Pharmaceuticals, Inc.: short interest 3,494,420 shares at the 30 June 2026 settlement, 2.91 days to cover</title><link>https://greeksoup.ai/stocks/us/regn/short-interest/</link><guid isPermaLink="false">us:REGN:short-interest:2026-06-30:c9455ac82b</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/regn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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