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<title>Allison Transmission Holdings Inc. (ALSN) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/alsn/</link>
<description>Every dated entry in the public record on Allison Transmission Holdings Inc.: 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>Allison Transmission Holdings Inc.: short interest 2,419,049 shares at the 15 September 2026 settlement, 3.83 days to cover</title><link>https://greeksoup.ai/stocks/us/alsn/short-interest/</link><guid isPermaLink="false">us:ALSN:short-interest:2026-09-15:80b7549b66</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/alsn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: short interest 2,772,809 shares at the 31 August 2026 settlement, 3.37 days to cover</title><link>https://greeksoup.ai/stocks/us/alsn/short-interest/</link><guid isPermaLink="false">us:ALSN:short-interest:2026-08-31:ca0a73854d</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/alsn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Graziosi David S. (Chair, President and CEO) sold 13,100 shares at $132.44 on 21 August 2026, $1.7 million</title><link>https://greeksoup.ai/stocks/us/alsn/insiders/</link><guid isPermaLink="false">us:ALSN:insider:2026-08-25:24f02e1980</guid><pubDate>Tue, 25 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/1411207/000119312526365668/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Graziosi David S. (Chair, President and CEO) sold 9,050 shares at $133.21 on 21 August 2026, $1.2 million</title><link>https://greeksoup.ai/stocks/us/alsn/insiders/</link><guid isPermaLink="false">us:ALSN:insider:2026-08-25:7f8391e7a4</guid><pubDate>Tue, 25 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/1411207/000119312526365668/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Graziosi David S. (Chair, President and CEO) sold 4,558 shares at $134.05 on 21 August 2026, $610,990</title><link>https://greeksoup.ai/stocks/us/alsn/insiders/</link><guid isPermaLink="false">us:ALSN:insider:2026-08-25:40a564eae2</guid><pubDate>Tue, 25 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/1411207/000119312526365668/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Form 144, Graziosi David S. plans to sell 26,708 shares worth $3.6 million around 21 August 2026</title><link>https://greeksoup.ai/stocks/us/alsn/planned-sales/</link><guid isPermaLink="false">us:ALSN:planned-sale:2026-08-21:5c875b2ae1</guid><pubDate>Fri, 21 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/1411207/000196430626000407/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: short interest 3,132,232 shares at the 14 August 2026 settlement, 3.70 days to cover</title><link>https://greeksoup.ai/stocks/us/alsn/short-interest/</link><guid isPermaLink="false">us:ALSN:short-interest:2026-08-14:a440da62d8</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/alsn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Scroggins Eric C. (CLO &amp; Asst. Secretary) sold 1,050 shares at $125.00 on 11 August 2026, $131,250</title><link>https://greeksoup.ai/stocks/us/alsn/insiders/</link><guid isPermaLink="false">us:ALSN:insider:2026-08-13:ace8b9cc84</guid><pubDate>Thu, 13 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/1411207/000119312526349536/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Form 144, Scroggins Eric C. plans to sell 1,050 shares worth $131,250 around 11 August 2026</title><link>https://greeksoup.ai/stocks/us/alsn/planned-sales/</link><guid isPermaLink="false">us:ALSN:planned-sale:2026-08-11:5b68fc5ef9</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/1411207/000196430626000381/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Bohley G Frederick (See Remarks) sold 3,961 shares at $122.38 on 10 August 2026, $484,748</title><link>https://greeksoup.ai/stocks/us/alsn/insiders/</link><guid isPermaLink="false">us:ALSN:insider:2026-08-11:5d07eec0e8</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/1411207/000119312526344582/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Form 144, Bohley G Frederick plans to sell 3,961 shares worth $484,748 around 10 August 2026</title><link>https://greeksoup.ai/stocks/us/alsn/planned-sales/</link><guid isPermaLink="false">us:ALSN:planned-sale:2026-08-10:3c81a885d6</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/1411207/000196430626000376/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc. Q2 FY2026 results: revenue $1.6 billion, net income $181 million</title><link>https://greeksoup.ai/stocks/us/alsn/results/fy2026-q2/</link><guid isPermaLink="false">us:ALSN:result:2026-08-05:e2cc4c848f</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=0001411207&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/alsn/filings/</link><guid isPermaLink="false">us:ALSN:filing:2026-08-05:4e2bca58da</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/1411207/000119312526334039/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/alsn/filings/</link><guid isPermaLink="false">us:ALSN:filing:2026-08-03:362dd385b3</guid><pubDate>Mon, 03 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/1411207/000119312526330544/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: Schedule 13G/A filed by Vanguard Portfolio Management, 4.8% of the class</title><link>https://greeksoup.ai/stocks/us/alsn/holders/</link><guid isPermaLink="false">us:ALSN:schedule-13:2026-07-31:8520fa54fc</guid><pubDate>Fri, 31 Jul 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/1411207/000210012126000911/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/alsn/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: short interest 3,628,341 shares at the 31 July 2026 settlement, 4.27 days to cover</title><link>https://greeksoup.ai/stocks/us/alsn/short-interest/</link><guid isPermaLink="false">us:ALSN:short-interest:2026-07-31:e406e09f96</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/alsn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Allison Transmission Holdings Inc.: short interest 3,940,795 shares at the 15 July 2026 settlement, 1.75 days to cover</title><link>https://greeksoup.ai/stocks/us/alsn/short-interest/</link><guid isPermaLink="false">us:ALSN:short-interest:2026-07-15:f4add1d19a</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/alsn/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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