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   <title>Form  4          ClearSign Technologies    For: Sep 30  Filed by: Basenese Lou</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++ClearSign+Technologies++++For%3A+Sep+30++Filed+by%3A+Basenese+Lou/27143978.html</link>
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   <pubDate>Fri, 02 Oct 2026 19:01:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>Form  4          ClearSign Technologies    For: Sep 30  Filed by: Silva Gil Todd</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++ClearSign+Technologies++++For%3A+Sep+30++Filed+by%3A+Silva+Gil+Todd/27143975.html</link>
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   <pubDate>Fri, 02 Oct 2026 19:01:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>Form  4          ClearSign Technologies    For: Sep 30  Filed by: Saddler Larry Michael</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++ClearSign+Technologies++++For%3A+Sep+30++Filed+by%3A+Saddler+Larry+Michael/27143972.html</link>
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   <pubDate>Fri, 02 Oct 2026 19:00:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>Form  4          ClearSign Technologies    For: Sep 30  Filed by: DIGIANDOMENICO ANTHONY</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++ClearSign+Technologies++++For%3A+Sep+30++Filed+by%3A+DIGIANDOMENICO+ANTHONY/27143970.html</link>
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   <pubDate>Fri, 02 Oct 2026 19:00:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign Receives Order for &quot;M1&quot; Series Burner from Tulsa Heaters Midstream (THM)</title>
   <link>http://www.streetinsider.com/Press+Releases/ClearSign+Receives+Order+for+%22M1%22+Series+Burner+from+Tulsa+Heaters+Midstream+%28THM%29/27132143.html</link>
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      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / October 1, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (NASDAQ:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it has received another purchase order for a ClearSign Core&lt;sup&gt;™&lt;/sup&gt; M1 burner. The order was received from heater manufacturer Tulsa Heaters Midstream (&quot;THM&quot;) and is the fourth order from this customer destined for the Permian Basin in West Texas.&lt;/p&gt;&lt;p&gt;&quot;THM has been an outstanding customer and</description>
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   <pubDate>Thu, 01 Oct 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign Receives Order for &quot;M1&quot; Series Burner from Tulsa Heaters Midstream (THM)</title>
   <link>http://www.streetinsider.com/ACCESS+Newswire/ClearSign+Receives+Order+for+%22M1%22+Series+Burner+from+Tulsa+Heaters+Midstream+%28THM%29/27132143.html</link>
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      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / October 1, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (NASDAQ:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it has received another purchase order for a ClearSign Core&lt;sup&gt;™&lt;/sup&gt; M1 burner. The order was received from heater manufacturer Tulsa Heaters Midstream (&quot;THM&quot;) and is the fourth order from this customer destined for the Permian Basin in West Texas.&lt;/p&gt;&lt;p&gt;&quot;THM has been an outstanding customer and</description>
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   <pubDate>Thu, 01 Oct 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>DOE selects ClearSign and Kern Energy for technology validation</title>
   <link>http://www.streetinsider.com/Corporate+News/DOE+selects+ClearSign+and+Kern+Energy+for+technology+validation/27125875.html</link>
   <description>&lt;p&gt;ClearSign Technologies Corporation (Nasdaq: CLIR) and Kern Energy have been selected by the U.S. Department of Energy's Industrial Technologies Office for its Industrial Technology Validation program, according to a press release issued September 30, 2026.&lt;/p&gt;&lt;p&gt;The project will support the installation and operation of ClearSign's Core Gen 2 Flex Fuel Process Burner at Kern Energy's California refinery facility. The DOE selected nine projects in total under the program.&lt;/p&gt;&lt;p&gt;The project is designed to demonstrate ClearSign's technology for reducing air pollutants while enabling Kern Energy to use refinery byproduct gas as a substitute for natural gas, with the goal of reducing energy costs.</description>
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   <pubDate>Wed, 30 Sep 2026 08:34:19 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign and Kern Energy Selected for U.S. Department of Energy Industrial Technology Validation Program</title>
   <link>http://www.streetinsider.com/Press+Releases/ClearSign+and+Kern+Energy+Selected+for+U.S.+Department+of+Energy+Industrial+Technology+Validation+Program/27125832.html</link>
   <description>
      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / September 30, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (Nasdaq:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, and Kern Energy, a critical California fuel supplier and renewable fuel pioneer, announce today that The U.S. Department of Energy's (&quot;DOE&quot;) Industrial Technologies Office (&quot;ITO&quot;) has selected ClearSign and Kern Energy for its Industrial Technology Validation (&quot;ITV&quot;) program. The project is to support the installation and operation of</description>
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   <pubDate>Wed, 30 Sep 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
   	  </item>
  <item>
   <title>ClearSign and Kern Energy Selected for U.S. Department of Energy Industrial Technology Validation Program</title>
   <link>http://www.streetinsider.com/ACCESS+Newswire/ClearSign+and+Kern+Energy+Selected+for+U.S.+Department+of+Energy+Industrial+Technology+Validation+Program/27125832.html</link>
   <description>
      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / September 30, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (Nasdaq:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, and Kern Energy, a critical California fuel supplier and renewable fuel pioneer, announce today that The U.S. Department of Energy's (&quot;DOE&quot;) Industrial Technologies Office (&quot;ITO&quot;) has selected ClearSign and Kern Energy for its Industrial Technology Validation (&quot;ITV&quot;) program. The project is to support the installation and operation of</description>
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   <pubDate>Wed, 30 Sep 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign to Present at The Water Tower Research Insights Conference on September 23, 2026</title>
   <link>http://www.streetinsider.com/Press+Releases/ClearSign+to+Present+at+The+Water+Tower+Research+Insights+Conference+on+September+23%2C+2026/27088204.html</link>
   <description>
      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / September 22, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (Nasdaq:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced today that Chief Executive Officer, Jim Deller, Ph.D., will present at the Water Tower Research Insights Conference, a two-day virtual event taking place September 22 and 23, 2026. Jim Deller will give the company's presentation on Wednesday, September 23, 2026 at 09:30am ET and ClearSign will be</description>
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   <pubDate>Tue, 22 Sep 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign to Present at The Water Tower Research Insights Conference on September 23, 2026</title>
   <link>http://www.streetinsider.com/ACCESS+Newswire/ClearSign+to+Present+at+The+Water+Tower+Research+Insights+Conference+on+September+23%2C+2026/27088204.html</link>
   <description>
      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / September 22, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (Nasdaq:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced today that Chief Executive Officer, Jim Deller, Ph.D., will present at the Water Tower Research Insights Conference, a two-day virtual event taking place September 22 and 23, 2026. Jim Deller will give the company's presentation on Wednesday, September 23, 2026 at 09:30am ET and ClearSign will be</description>
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   <pubDate>Tue, 22 Sep 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>Form  8-K        ClearSign Technologies    For: Sep 14</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++ClearSign+Technologies++++For%3A+Sep+14/27056042.html</link>
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   <pubDate>Mon, 14 Sep 2026 08:46:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign Technologies Corporation to Present at H.C. Wainwright 28th Annual Global Investment Conference</title>
   <link>http://www.streetinsider.com/Press+Releases/ClearSign+Technologies+Corporation+to+Present+at+H.C.+Wainwright+28th+Annual+Global+Investment+Conference/27045683.html</link>
   <description>
      &lt;p&gt;&lt;i&gt;&lt;strong&gt;Company to Present on Tuesday, September 15th at 3:30pm ET&lt;/strong&gt;&lt;/i&gt;&lt;/p&gt; &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / September 10, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (NASDAQ:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced today that Chief Executive Officer, Jim Deller, Ph.D., will present at the upcoming H.C. Wainwright 28&lt;sup&gt;th&lt;/sup&gt; Annual Global Investment Conference. The conference will be held September 14 - 16, 2025 with presentations, one-on-one meetings, and networking at</description>
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   <pubDate>Thu, 10 Sep 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign Technologies Corporation to Present at H.C. Wainwright 28th Annual Global Investment Conference</title>
   <link>http://www.streetinsider.com/ACCESS+Newswire/ClearSign+Technologies+Corporation+to+Present+at+H.C.+Wainwright+28th+Annual+Global+Investment+Conference/27045683.html</link>
   <description>
      &lt;p&gt;&lt;i&gt;&lt;strong&gt;Company to Present on Tuesday, September 15th at 3:30pm ET&lt;/strong&gt;&lt;/i&gt;&lt;/p&gt; &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / September 10, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (NASDAQ:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced today that Chief Executive Officer, Jim Deller, Ph.D., will present at the upcoming H.C. Wainwright 28&lt;sup&gt;th&lt;/sup&gt; Annual Global Investment Conference. The conference will be held September 14 - 16, 2025 with presentations, one-on-one meetings, and networking at</description>
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   <pubDate>Thu, 10 Sep 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>H.C. Wainwright Reiterates Buy Rating on ClearSign Combustion (CLIR)</title>
   <link>http://www.streetinsider.com/Analyst+Comments/H.C.+Wainwright+Reiterates+Buy+Rating+on+ClearSign+Combustion+%28CLIR%29/26958417.html</link>
   <description>&lt;p&gt;H.C. Wainwright analyst Amit Dayal reiterated a Buy rating and $20.00 price target on ClearSign Combustion (NASDAQ: CLIR).&lt;/p&gt;&lt;p&gt;The analyst commented: &quot;ClearSign filed its 10-Q on August 14 with 2Q26 revenues of $560K vs $133K a year ago (up 321%), generated predominantly by delivering a portion of its flare system equipment order, fulfilling multiple spare parts orders, and finalizing process burner CFD studies. Gross profit rose 314.5% to $228K at roughly a 41% gross margin, essentially flat YoY. Total operating expenses fell 8.8% to $1.7M as G&amp;A declined 22.4% to $1.3M, partially offset by R&amp;D rising 81.4% to $448K. Net loss</description>
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   <pubDate>Fri, 21 Aug 2026 07:05:13 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>Form  8-K        ClearSign Technologies    For: Aug 19</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++ClearSign+Technologies++++For%3A+Aug+19/26956380.html</link>
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   <pubDate>Thu, 20 Aug 2026 16:15:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
   	   	<category domain="http://rss.financialcontent.com/stocksymbol">O.13389943</category>
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   <title>Form  8-K        ClearSign Technologies    For: Aug 19</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++ClearSign+Technologies++++For%3A+Aug+19/26956380.html</link>
   <description>si-local-file:///var/storage/secattach/20260820/26956380.html</description>
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   <pubDate>Thu, 20 Aug 2026 16:15:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
   	   	<category domain="http://rss.financialcontent.com/stocksymbol">O.13389943</category>
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   <title>ClearSign Technologies (CLIR) Tops Q2 EPS by 8c</title>
   <link>http://www.streetinsider.com/Earnings/ClearSign+Technologies+%28CLIR%29+Tops+Q2+EPS+by+8c/26951193.html</link>
   <description>&lt;p&gt;ClearSign Technologies (NASDAQ: CLIR) reported Q2 EPS of ($0.22), $0.08 better than the analyst estimate of ($0.30). Revenue for the quarter came in at $560 thousand versus the consensus estimate of $682 thousand.&lt;/p&gt;
&lt;p&gt;For earnings history and earnings-related data on ClearSign Technologies (CLIR) &lt;a href=&quot;http://www.streetinsider.com/ec_earnings.php?q=CLIR&quot;&gt;click here&lt;/a&gt;.&lt;/p&gt;</description>
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   <pubDate>Wed, 19 Aug 2026 17:23:29 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign Technologies Corporation Provides Second Quarter 2026 Update</title>
   <link>http://www.streetinsider.com/Press+Releases/ClearSign+Technologies+Corporation+Provides+Second+Quarter+2026+Update/26949999.html</link>
   <description>
      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / August 19, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (Nasdaq:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today provides an update on operations for the second quarter ended June 30, 2026.&lt;/p&gt;&lt;p&gt;&quot;We made notable progress across multiple product lines,&quot; said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. &quot;The M Series midstream burners appear to be gaining market traction, with six burners sold to two major</description>
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   <pubDate>Wed, 19 Aug 2026 16:05:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>ClearSign Technologies Corporation Provides Second Quarter 2026 Update</title>
   <link>http://www.streetinsider.com/ACCESS+Newswire/ClearSign+Technologies+Corporation+Provides+Second+Quarter+2026+Update/26949999.html</link>
   <description>
      &lt;p&gt;&lt;strong id=&quot;dateline&quot;&gt;TULSA, OK / &lt;a href='https://www.accessnewswire.com/'&gt;ACCESS Newswire&lt;/a&gt; / August 19, 2026 / &lt;/strong&gt;ClearSign Technologies Corporation (Nasdaq:CLIR) (&quot;ClearSign&quot; or the &quot;Company&quot;), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today provides an update on operations for the second quarter ended June 30, 2026.&lt;/p&gt;&lt;p&gt;&quot;We made notable progress across multiple product lines,&quot; said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. &quot;The M Series midstream burners appear to be gaining market traction, with six burners sold to two major</description>
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   <pubDate>Wed, 19 Aug 2026 16:05:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">CLIR</category>
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   <title>Form  10-Q       ClearSign Technologies    For: Jun 30</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++10-Q+++++++ClearSign+Technologies++++For%3A+Jun+30/26925550.html</link>
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   <pubDate>Fri, 14 Aug 2026 09:01:00 -0400</pubDate>
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   <title>Form  10-Q       ClearSign Technologies    For: Jun 30</title>
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   <title>Form  3          ClearSign Technologies    For: Aug 06  Filed by: Saddler Larry Michael</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++3++++++++++ClearSign+Technologies++++For%3A+Aug+06++Filed+by%3A+Saddler+Larry+Michael/26907359.html</link>
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   <pubDate>Tue, 11 Aug 2026 18:00:00 -0400</pubDate>
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   <title>Form  3          ClearSign Technologies    For: Aug 06  Filed by: Saddler Larry Michael</title>
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   <pubDate>Tue, 11 Aug 2026 18:00:00 -0400</pubDate>
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   <title>ClearSign adds ex-ExxonMobil executive Larry Saddler to its board</title>
   <link>http://www.streetinsider.com/Board+Changes/ClearSign+adds+ex-ExxonMobil+executive+Larry+Saddler+to+its+board/26902120.html</link>
   <description>&lt;p&gt;ClearSign Technologies Corporation (NASDAQ: CLIR) has appointed Larry Saddler, a retired ExxonMobil executive, to its board of directors, according to a company press release.&lt;/p&gt;&lt;p&gt;Saddler brings nearly 40 years of experience in heat transfer technology, fired equipment engineering, and global operations support. During his career at ExxonMobil, he held senior technical leadership roles, including Global Technology Sponsor for Heat Transfer, where he oversaw the global fleet management of fired equipment covering technology, safety, environmental, reliability, and margin performance.&lt;/p&gt;&lt;p&gt;He also played a role in developing Ultra Low-NOx burner technology, overseeing its development, testing, and implementation across major capital projects. His career included</description>
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