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<title>Axcelis Technologies Inc. (ACLS) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/acls/</link>
<description>Every dated entry in the public record on Axcelis Technologies 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, 28 Oct 2026 00:00:00 +0000</lastBuildDate>
<item><title>Axcelis Technologies Inc. filed 8-K: officer or director change, regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/acls/filings/</link><guid isPermaLink="false">us:ACLS:filing:2026-10-27:a7633f9f94</guid><pubDate>Tue, 27 Oct 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1113232/000110465926118986/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/acls/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: short interest 1,449,872 shares at the 15 October 2026 settlement, 4.73 days to cover</title><link>https://greeksoup.ai/stocks/us/acls/short-interest/</link><guid isPermaLink="false">us:ACLS:short-interest:2026-10-15:0453c09f93</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/acls/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: short interest 1,439,547 shares at the 30 September 2026 settlement, 3.80 days to cover</title><link>https://greeksoup.ai/stocks/us/acls/short-interest/</link><guid isPermaLink="false">us:ACLS:short-interest:2026-09-30:1616bbceb6</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/acls/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: short interest 1,434,982 shares at the 15 September 2026 settlement, 4.48 days to cover</title><link>https://greeksoup.ai/stocks/us/acls/short-interest/</link><guid isPermaLink="false">us:ACLS:short-interest:2026-09-15:5222e5708b</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/acls/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: short interest 1,625,367 shares at the 31 August 2026 settlement, 5.28 days to cover</title><link>https://greeksoup.ai/stocks/us/acls/short-interest/</link><guid isPermaLink="false">us:ACLS:short-interest:2026-08-31:7ff0fe1bde</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/acls/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: short interest 1,682,955 shares at the 14 August 2026 settlement, 4.14 days to cover</title><link>https://greeksoup.ai/stocks/us/acls/short-interest/</link><guid isPermaLink="false">us:ACLS:short-interest:2026-08-14:bd2b5fd0b7</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/acls/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc. Q2 FY2026 results: revenue $215 million, net income $23 million</title><link>https://greeksoup.ai/stocks/us/acls/results/fy2026-q2/</link><guid isPermaLink="false">us:ACLS:result:2026-08-06:3428ce8174</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=0001113232&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/acls/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/acls/filings/</link><guid isPermaLink="false">us:ACLS:filing:2026-08-06:14bad10ba3</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/1113232/000110465926091999/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/acls/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/acls/filings/</link><guid isPermaLink="false">us:ACLS:filing:2026-08-06:36de0553bc</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/1113232/000110465926091697/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/acls/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: Schedule 13G/A filed by FMR LLC, 13.4% of the class</title><link>https://greeksoup.ai/stocks/us/acls/holders/</link><guid isPermaLink="false">us:ACLS:schedule-13:2026-08-06:062524261b</guid><pubDate>Thu, 06 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/1113232/000031506626001947/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/acls/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Axcelis Technologies Inc.: short interest 1,612,811 shares at the 31 July 2026 settlement, 3.97 days to cover</title><link>https://greeksoup.ai/stocks/us/acls/short-interest/</link><guid isPermaLink="false">us:ACLS:short-interest:2026-07-31:e41e32b2fe</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/acls/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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