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<title>ATI Inc. (ATI) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/ati/</link>
<description>Every dated entry in the public record on ATI 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>ATI Inc.: Harris Timothy J (Senior VP and CDIO) sold 9,000 shares at $191.82 on 21 September 2026, $1.7 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-09-23:6269e9784d</guid><pubDate>Wed, 23 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/1018963/000119312526398695/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Harris Timothy J plans to sell 9,000 shares worth $1.7 million around 21 September 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-09-21:a979899f7f</guid><pubDate>Mon, 21 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/1018963/000195917326007054/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Harris Timothy J (Senior VP and CDIO) sold 16,500 shares at $193.06 on 14 September 2026, $3.2 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-09-16:338f62a43b</guid><pubDate>Wed, 16 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/1018963/000119312526393438/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: short interest 4,335,143 shares at the 15 September 2026 settlement, 2.79 days to cover</title><link>https://greeksoup.ai/stocks/us/ati/short-interest/</link><guid isPermaLink="false">us:ATI:short-interest:2026-09-15:89a5a93cbb</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/ati/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Harris Timothy J plans to sell 16,500 shares worth $3.2 million around 14 September 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-09-14:1b83437e48</guid><pubDate>Mon, 14 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/1018963/000195917326006916/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Harris Timothy J (Senior VP and CDIO) sold 16,500 shares at $207.54 on 8 September 2026, $3.4 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-09-10:9116101cd6</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/1018963/000119312526387885/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Harris Timothy J plans to sell 16,500 shares worth $3.4 million around 8 September 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-09-08:da5ec051bd</guid><pubDate>Tue, 08 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/1018963/000195917326006774/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Morehouse David J (Director) sold 2,485 shares at $201.61 on 2 September 2026, $501,001</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-09-04:b05d8119f2</guid><pubDate>Fri, 04 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/1018963/000119312526383696/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Morehouse David J plans to sell 2,485 shares worth $501,003 around 2 September 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-09-02:f948fdd1dc</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/1018963/000195917326006643/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Harris Timothy J (Senior VP and CDIO) sold 16,500 shares at $210.01 on 31 August 2026, $3.5 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-09-02:641cd20390</guid><pubDate>Wed, 02 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/1018963/000119312526380514/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Harris Timothy J plans to sell 16,500 shares worth $3.5 million around 31 August 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-08-31:ae25919727</guid><pubDate>Mon, 31 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/1018963/000195917326006534/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: short interest 3,700,619 shares at the 31 August 2026 settlement, 1.72 days to cover</title><link>https://greeksoup.ai/stocks/us/ati/short-interest/</link><guid isPermaLink="false">us:ATI:short-interest:2026-08-31:47f9ca4037</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/ati/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Harris Timothy J (Senior VP and CDIO) sold 16,500 shares at $206.92 on 24 August 2026, $3.4 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-08-26:e05f0f1268</guid><pubDate>Wed, 26 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/1018963/000119312526368175/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Harris Timothy J plans to sell 16,500 shares worth $3.4 million around 24 August 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-08-24:b261fec837</guid><pubDate>Mon, 24 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/1018963/000195917326006357/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Fields Kimberly A (Chair, President and CEO) sold 1,000 shares at $228.32 on 17 August 2026, $228,320</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-08-19:70547cc604</guid><pubDate>Wed, 19 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/1018963/000119312526357113/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Fields Kimberly A (Chair, President and CEO) sold 2,000 shares at $229.56 on 17 August 2026, $459,120</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-08-19:c18f4d7900</guid><pubDate>Wed, 19 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/1018963/000119312526357113/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Fields Kimberly A (Chair, President and CEO) sold 8,131 shares at $230.66 on 17 August 2026, $1.9 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-08-19:30fbbd5a07</guid><pubDate>Wed, 19 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/1018963/000119312526357113/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Fields Kimberly A (Chair, President and CEO) sold 9,116 shares at $231.72 on 17 August 2026, $2.1 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-08-19:7b0545848f</guid><pubDate>Wed, 19 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/1018963/000119312526357113/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Fields Kimberly A (Chair, President and CEO) sold 4,598 shares at $232.43 on 17 August 2026, $1.1 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-08-19:7261b3965a</guid><pubDate>Wed, 19 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/1018963/000119312526357113/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Fields Kimberly A plans to sell 34,823 shares worth $8.0 million around 17 August 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-08-17:ecf9e8a260</guid><pubDate>Mon, 17 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/1018963/000195917326006084/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: short interest 3,446,485 shares at the 14 August 2026 settlement, 2.02 days to cover</title><link>https://greeksoup.ai/stocks/us/ati/short-interest/</link><guid isPermaLink="false">us:ATI:short-interest:2026-08-14:2812b096cf</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/ati/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, WETHERBEE ROBERT S plans to sell 43,500 shares worth $10.0 million around 10 August 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-08-10:8de8b685fd</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/1018963/000195917326005858/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc. Q2 FY2026 results: revenue $1.3 billion, net income $151 million</title><link>https://greeksoup.ai/stocks/us/ati/results/fy2026-q2/</link><guid isPermaLink="false">us:ATI:result:2026-08-06:807ceccdc4</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=0001018963&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/ati/filings/</link><guid isPermaLink="false">us:ATI:filing:2026-08-06:11356f80e8</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/1018963/000162828026054233/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/ati/filings/</link><guid isPermaLink="false">us:ATI:filing:2026-08-06:0cb8ff3d38</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/1018963/000162828026053856/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: short interest 3,685,690 shares at the 31 July 2026 settlement, 2.51 days to cover</title><link>https://greeksoup.ai/stocks/us/ati/short-interest/</link><guid isPermaLink="false">us:ATI:short-interest:2026-07-31:8d45bde764</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/ati/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Fields Kimberly A (Chair, President and CEO) sold 31,757 shares at $190.99 on 28 July 2026, $6.1 million</title><link>https://greeksoup.ai/stocks/us/ati/insiders/</link><guid isPermaLink="false">us:ATI:insider:2026-07-30:6bb7d3ce91</guid><pubDate>Thu, 30 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/1018963/000119312526326296/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: Form 144, Fields Kimberly A plans to sell 31,757 shares worth $6.1 million around 28 July 2026</title><link>https://greeksoup.ai/stocks/us/ati/planned-sales/</link><guid isPermaLink="false">us:ATI:planned-sale:2026-07-28:91b67215ed</guid><pubDate>Tue, 28 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/1018963/000195917326005392/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/ati/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>ATI Inc.: short interest 3,736,256 shares at the 15 July 2026 settlement, 2.84 days to cover</title><link>https://greeksoup.ai/stocks/us/ati/short-interest/</link><guid isPermaLink="false">us:ATI:short-interest:2026-07-15:35e0824824</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/ati/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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