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<title>Westlake Corp. (WLK) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/wlk/</link>
<description>Every dated entry in the public record on Westlake Corp.: results, filings, insider trades and the rest, from the filings, the last 90 days.</description>
<language>en</language>
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<lastBuildDate>Fri, 09 Oct 2026 00:00:00 +0000</lastBuildDate>
<item><title>Westlake Corp. filed 8-K: exit or disposal costs, regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/wlk/filings/</link><guid isPermaLink="false">us:WLK:filing:2026-09-29:7d490ed89e</guid><pubDate>Tue, 29 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/1262823/000126282326000067/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: short interest 5,309,547 shares at the 15 September 2026 settlement, 7.42 days to cover</title><link>https://greeksoup.ai/stocks/us/wlk/short-interest/</link><guid isPermaLink="false">us:WLK:short-interest:2026-09-15:ccb8ac56d9</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/wlk/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp. filed 8-K: officer or director change</title><link>https://greeksoup.ai/stocks/us/wlk/filings/</link><guid isPermaLink="false">us:WLK:filing:2026-08-31:7dc98dc989</guid><pubDate>Mon, 31 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/1262823/000119312526376996/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: short interest 5,677,941 shares at the 31 August 2026 settlement, 7.91 days to cover</title><link>https://greeksoup.ai/stocks/us/wlk/short-interest/</link><guid isPermaLink="false">us:WLK:short-interest:2026-08-31:fbfb6b9863</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/wlk/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: short interest 4,936,041 shares at the 14 August 2026 settlement, 3.70 days to cover</title><link>https://greeksoup.ai/stocks/us/wlk/short-interest/</link><guid isPermaLink="false">us:WLK:short-interest:2026-08-14:37b9077892</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/wlk/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: Form 144, ALBERT Y CHAO plans to sell 38,873 shares worth $3.1 million around 11 August 2026</title><link>https://greeksoup.ai/stocks/us/wlk/planned-sales/</link><guid isPermaLink="false">us:WLK:planned-sale:2026-08-11:4738f05549</guid><pubDate>Tue, 11 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/1262823/000195004726007941/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: Chao Albert (Executive Chairman) sold 7,489 shares at $79.70 on 11 August 2026, $596,873</title><link>https://greeksoup.ai/stocks/us/wlk/insiders/</link><guid isPermaLink="false">us:WLK:insider:2026-08-11:75505bd53c</guid><pubDate>Tue, 11 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/1262823/000119312526345140/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: Chao Albert (Executive Chairman) sold 31,384 shares at $80.42 on 11 August 2026, $2.5 million</title><link>https://greeksoup.ai/stocks/us/wlk/insiders/</link><guid isPermaLink="false">us:WLK:insider:2026-08-11:0da4512e10</guid><pubDate>Tue, 11 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/1262823/000119312526345140/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp. Q2 FY2026 results: revenue $3.3 billion, net income $260 million</title><link>https://greeksoup.ai/stocks/us/wlk/results/fy2026-q2/</link><guid isPermaLink="false">us:WLK:result:2026-08-05:482940ea50</guid><pubDate>Wed, 05 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=0001262823&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/wlk/filings/</link><guid isPermaLink="false">us:WLK:filing:2026-08-05:0b5ca5a312</guid><pubDate>Wed, 05 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/1262823/000126282326000032/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp. filed 8-K: results of operations, regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/wlk/filings/</link><guid isPermaLink="false">us:WLK:filing:2026-08-04:ac3ed7b080</guid><pubDate>Tue, 04 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/1262823/000126282326000026/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: short interest 4,833,608 shares at the 31 July 2026 settlement, 4.84 days to cover</title><link>https://greeksoup.ai/stocks/us/wlk/short-interest/</link><guid isPermaLink="false">us:WLK:short-interest:2026-07-31:b42bf6de18</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/wlk/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp. filed 8-K: other events</title><link>https://greeksoup.ai/stocks/us/wlk/filings/</link><guid isPermaLink="false">us:WLK:filing:2026-07-29:02d2c069ae</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/1262823/000119312526324110/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/wlk/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Westlake Corp.: short interest 5,275,584 shares at the 15 July 2026 settlement, 4.48 days to cover</title><link>https://greeksoup.ai/stocks/us/wlk/short-interest/</link><guid isPermaLink="false">us:WLK:short-interest:2026-07-15:9486572af4</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/wlk/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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