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<title>Arq, Inc. (ARQ) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/arq/</link>
<description>Every dated entry in the public record on Arq, Inc.: 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>Arq, Inc.: short interest 444,926 shares at the 15 October 2026 settlement, 2.21 days to cover</title><link>https://greeksoup.ai/stocks/us/arq/short-interest/</link><guid isPermaLink="false">us:ARQ:short-interest:2026-10-15:35d7f4b4de</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/arq/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: short interest 497,934 shares at the 30 September 2026 settlement, 2.29 days to cover</title><link>https://greeksoup.ai/stocks/us/arq/short-interest/</link><guid isPermaLink="false">us:ARQ:short-interest:2026-09-30:f008c9d62a</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/arq/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc. filed S-8: s-8</title><link>https://greeksoup.ai/stocks/us/arq/filings/</link><guid isPermaLink="false">us:ARQ:filing:2026-09-17:08bfd77499</guid><pubDate>Thu, 17 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/1515156/000151515626000132/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: short interest 466,211 shares at the 15 September 2026 settlement, 1.89 days to cover</title><link>https://greeksoup.ai/stocks/us/arq/short-interest/</link><guid isPermaLink="false">us:ARQ:short-interest:2026-09-15:128be1f5c6</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/arq/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: Steinmetz Shimon (Chief Financial Officer) bought 1,098 shares at $2.34 on 8 September 2026, $2,569</title><link>https://greeksoup.ai/stocks/us/arq/insiders/</link><guid isPermaLink="false">us:ARQ:insider:2026-09-10:f997b53c34</guid><pubDate>Thu, 10 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/1515156/000151515626000129/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: Steinmetz Shimon (Chief Financial Officer), by Steinmetz Advisory Group LLC, bought 1,874 shares at $2.34 on 8 September 2026, $4,384</title><link>https://greeksoup.ai/stocks/us/arq/insiders/</link><guid isPermaLink="false">us:ARQ:insider:2026-09-10:7058376b4f</guid><pubDate>Thu, 10 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/1515156/000151515626000129/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: Steinmetz Shimon (Chief Financial Officer) bought 1,402 shares at $2.29 on 4 September 2026, $3,209</title><link>https://greeksoup.ai/stocks/us/arq/insiders/</link><guid isPermaLink="false">us:ARQ:insider:2026-09-09:fb23e18bc8</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/1515156/000151515626000127/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: Steinmetz Shimon (Chief Financial Officer), by Steinmetz Advisory Group LLC, bought 4,356 shares at $2.27 on 4 September 2026, $9,904</title><link>https://greeksoup.ai/stocks/us/arq/insiders/</link><guid isPermaLink="false">us:ARQ:insider:2026-09-09:4532af62fc</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/1515156/000151515626000127/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: Steinmetz Shimon (Chief Financial Officer) bought 7,500 shares at $2.22 on 3 September 2026, $16,634</title><link>https://greeksoup.ai/stocks/us/arq/insiders/</link><guid isPermaLink="false">us:ARQ:insider:2026-09-08:900c8d2f47</guid><pubDate>Tue, 08 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/1515156/000151515626000125/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: Steinmetz Shimon (Chief Financial Officer), by Steinmetz Advisory Group LLC, bought 8,770 shares at $2.23 on 3 September 2026, $19,514</title><link>https://greeksoup.ai/stocks/us/arq/insiders/</link><guid isPermaLink="false">us:ARQ:insider:2026-09-08:83caa4fff7</guid><pubDate>Tue, 08 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/1515156/000151515626000125/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: short interest 479,713 shares at the 31 August 2026 settlement, 2.66 days to cover</title><link>https://greeksoup.ai/stocks/us/arq/short-interest/</link><guid isPermaLink="false">us:ARQ:short-interest:2026-08-31:4e1a946f8a</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/arq/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc. filed 8-K: officer or director change, other events</title><link>https://greeksoup.ai/stocks/us/arq/filings/</link><guid isPermaLink="false">us:ARQ:filing:2026-08-28:4d4fb8577a</guid><pubDate>Fri, 28 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/1515156/000151515626000121/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc.: short interest 437,030 shares at the 14 August 2026 settlement, 1.54 days to cover</title><link>https://greeksoup.ai/stocks/us/arq/short-interest/</link><guid isPermaLink="false">us:ARQ:short-interest:2026-08-14:2c858ff4cb</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/arq/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc. Q2 FY2026 results: revenue $30 million, net income -$733,000</title><link>https://greeksoup.ai/stocks/us/arq/results/fy2026-q2/</link><guid isPermaLink="false">us:ARQ:result:2026-08-10:3bf7a2fcbf</guid><pubDate>Mon, 10 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=0001515156&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/arq/filings/</link><guid isPermaLink="false">us:ARQ:filing:2026-08-10:0d8eb1af4b</guid><pubDate>Mon, 10 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/1515156/000151515626000116/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Arq, Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/arq/filings/</link><guid isPermaLink="false">us:ARQ:filing:2026-08-10:9d3eac1054</guid><pubDate>Mon, 10 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/1515156/000151515626000114/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/arq/filings/">The page on GreekSoup</a>.</p>]]></description></item>
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