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    <title>CECO ENVIRONMENTAL CORP (CECO) - Company Filings</title>
    <link>https://www.developersdigest.tech/markets/ceco/filings</link>
    <description>Latest company filings for CECO ENVIRONMENTAL CORP (CECO) - annual reports, quarterly reports, major events, and insider trades, newest first.</description>
    <language>en</language>
    <lastBuildDate>Fri, 10 Jul 2026 19:34:45 GMT</lastBuildDate>
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    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926063866/tm2615122d1_425.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-05-19.]]></description>
      <pubDate>Tue, 19 May 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: SCHEDULE 13G]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000189761226000470/xslSCHEDULE_13G_X02/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13G (SCHEDULE 13G) on 2026-05-15.]]></description>
      <pubDate>Fri, 15 May 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526203739/xslF345X06/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-05-04.]]></description>
      <pubDate>Mon, 04 May 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider sale notice (144)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000195917326003193/xsl144X01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider sale notice (144) on 2026-05-01.]]></description>
      <pubDate>Fri, 01 May 2026 12:00:00 GMT</pubDate>
      <category>144</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526201388/xslF345X06/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-05-01.]]></description>
      <pubDate>Fri, 01 May 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526197428/ceco-20260331.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Quarterly report (10-Q) on 2026-04-30.]]></description>
      <pubDate>Thu, 30 Apr 2026 12:00:00 GMT</pubDate>
      <category>10-Q</category>
    </item>
    <item>
      <title><![CDATA[CECO: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526183496/ceco-20260428.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Major company event (8-K) on 2026-04-28.]]></description>
      <pubDate>Tue, 28 Apr 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[CECO: Annual report to shareholders (ARS)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926048548/tm2533079d2_ars.pdf</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Annual report to shareholders (ARS) on 2026-04-24.]]></description>
      <pubDate>Fri, 24 Apr 2026 12:00:00 GMT</pubDate>
      <category>ARS</category>
    </item>
    <item>
      <title><![CDATA[CECO: 424B3]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926047714/tm2611145-7_424b3.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 424B3 (424B3) on 2026-04-23.]]></description>
      <pubDate>Thu, 23 Apr 2026 12:00:00 GMT</pubDate>
      <category>424B3</category>
    </item>
    <item>
      <title><![CDATA[CECO: EFFECT]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/999999999526001298/xslEFFECTX01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a EFFECT (EFFECT) on 2026-04-22.]]></description>
      <pubDate>Wed, 22 Apr 2026 12:00:00 GMT</pubDate>
      <category>EFFECT</category>
    </item>
    <item>
      <title><![CDATA[CECO: Company correspondence (CORRESP)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926046168/filename1.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Company correspondence (CORRESP) on 2026-04-21.]]></description>
      <pubDate>Tue, 21 Apr 2026 12:00:00 GMT</pubDate>
      <category>CORRESP</category>
    </item>
    <item>
      <title><![CDATA[CECO: S-4/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926046151/tm2611145-3_s4a.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a S-4/A (S-4/A) on 2026-04-21.]]></description>
      <pubDate>Tue, 21 Apr 2026 12:00:00 GMT</pubDate>
      <category>S-4/A</category>
    </item>
    <item>
      <title><![CDATA[CECO: SEC correspondence (UPLOAD)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000000000026003792/filename1.pdf</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SEC correspondence (UPLOAD) on 2026-04-15.]]></description>
      <pubDate>Wed, 15 Apr 2026 12:00:00 GMT</pubDate>
      <category>UPLOAD</category>
    </item>
    <item>
      <title><![CDATA[CECO: S-4]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926040556/tm2611145-1_s4.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a S-4 (S-4) on 2026-04-08.]]></description>
      <pubDate>Wed, 08 Apr 2026 12:00:00 GMT</pubDate>
      <category>S-4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526139885/xslF345X06/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-04-02.]]></description>
      <pubDate>Thu, 02 Apr 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526139880/xslF345X06/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-04-02.]]></description>
      <pubDate>Thu, 02 Apr 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526139876/xslF345X06/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-04-02.]]></description>
      <pubDate>Thu, 02 Apr 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526139875/ceco-20260330.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Major company event (8-K) on 2026-04-02.]]></description>
      <pubDate>Thu, 02 Apr 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926033841/tm269572d2_425.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-03-24.]]></description>
      <pubDate>Tue, 24 Mar 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926032902/tm269572d1_425.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-03-23.]]></description>
      <pubDate>Mon, 23 Mar 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526111583/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-03-17.]]></description>
      <pubDate>Tue, 17 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526111580/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-03-17.]]></description>
      <pubDate>Tue, 17 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526111578/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-03-17.]]></description>
      <pubDate>Tue, 17 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526111577/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-03-17.]]></description>
      <pubDate>Tue, 17 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926027041/tm267108d6_425.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-03-12.]]></description>
      <pubDate>Thu, 12 Mar 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526098095/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-03-09.]]></description>
      <pubDate>Mon, 09 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526098094/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-03-09.]]></description>
      <pubDate>Mon, 09 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: Annual report (10-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526085815/ceco-20251231.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Annual report (10-K) on 2026-03-02.]]></description>
      <pubDate>Mon, 02 Mar 2026 12:00:00 GMT</pubDate>
      <category>10-K</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926021838/tm267108d5_425.htm</link>
      <guid isPermaLink="false">0001104659-26-021838</guid>
      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-03-02.]]></description>
      <pubDate>Mon, 02 Mar 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926020776/tm267108d4_425.htm</link>
      <guid isPermaLink="false">0001104659-26-020776</guid>
      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-02-27.]]></description>
      <pubDate>Fri, 27 Feb 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: SCHEDULE 13D/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926020760/xslSCHEDULE_13D_X01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13D/A (SCHEDULE 13D/A) on 2026-02-26.]]></description>
      <pubDate>Thu, 26 Feb 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13D/A</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926020666/tm267108d3_425.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-02-26.]]></description>
      <pubDate>Thu, 26 Feb 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926019291/tm267108d2_425.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-02-25.]]></description>
      <pubDate>Wed, 25 Feb 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526065166/ceco-20260224.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Major company event (8-K) on 2026-02-24.]]></description>
      <pubDate>Tue, 24 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926019197/tm267108d1_425.htm</link>
      <guid isPermaLink="false">0001104659-26-019197</guid>
      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-02-24.]]></description>
      <pubDate>Tue, 24 Feb 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: 425]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926018828/tm267105d1_8k.htm</link>
      <guid isPermaLink="false">0001104659-26-018828</guid>
      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a 425 (425) on 2026-02-24.]]></description>
      <pubDate>Tue, 24 Feb 2026 12:00:00 GMT</pubDate>
      <category>425</category>
    </item>
    <item>
      <title><![CDATA[CECO: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000110465926018825/tm267105d1_8k.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Major company event (8-K) on 2026-02-24.]]></description>
      <pubDate>Tue, 24 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[CECO: SCHEDULE 13G]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000005238826000057/xslSCHEDULE_13G_X01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13G (SCHEDULE 13G) on 2026-02-13.]]></description>
      <pubDate>Fri, 13 Feb 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G</category>
    </item>
    <item>
      <title><![CDATA[CECO: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526036815/ceco-20260130.htm</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Major company event (8-K) on 2026-02-04.]]></description>
      <pubDate>Wed, 04 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[CECO: SCHEDULE 13G/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000010290926000103/xslSCHEDULE_13G_X01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2026-01-30.]]></description>
      <pubDate>Fri, 30 Jan 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
    </item>
    <item>
      <title><![CDATA[CECO: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526015147/xslF345X05/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider trade (4) on 2026-01-16.]]></description>
      <pubDate>Fri, 16 Jan 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[CECO: New insider ownership (3)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526015141/xslF345X02/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a New insider ownership (3) on 2026-01-16.]]></description>
      <pubDate>Fri, 16 Jan 2026 12:00:00 GMT</pubDate>
      <category>3</category>
    </item>
    <item>
      <title><![CDATA[CECO: New insider ownership (3)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000119312526010710/xslF345X02/ownership.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a New insider ownership (3) on 2026-01-12.]]></description>
      <pubDate>Mon, 12 Jan 2026 12:00:00 GMT</pubDate>
      <category>3</category>
    </item>
    <item>
      <title><![CDATA[CECO: SCHEDULE 13G/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000121465925016481/xslSCHEDULE_13G_X01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2025-11-14.]]></description>
      <pubDate>Fri, 14 Nov 2025 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
    </item>
    <item>
      <title><![CDATA[CECO: SCHEDULE 13G/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/3197/000156223025000133/xslSCHEDULE_13G_X01/primary_doc.xml</link>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2025-11-13.]]></description>
      <pubDate>Thu, 13 Nov 2025 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
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      <title><![CDATA[CECO: SCHEDULE 13G]]></title>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a SCHEDULE 13G (SCHEDULE 13G) on 2025-10-30.]]></description>
      <pubDate>Thu, 30 Oct 2025 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G</category>
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      <title><![CDATA[CECO: Quarterly report (10-Q)]]></title>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Quarterly report (10-Q) on 2025-10-28.]]></description>
      <pubDate>Tue, 28 Oct 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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      <title><![CDATA[CECO: Major company event (8-K)]]></title>
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      <pubDate>Tue, 28 Oct 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[CECO: S-3ASR]]></title>
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      <pubDate>Tue, 28 Oct 2025 12:00:00 GMT</pubDate>
      <category>S-3ASR</category>
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      <title><![CDATA[CECO: Insider sale notice (144)]]></title>
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      <description><![CDATA[CECO ENVIRONMENTAL CORP filed a Insider sale notice (144) on 2025-09-22.]]></description>
      <pubDate>Mon, 22 Sep 2025 12:00:00 GMT</pubDate>
      <category>144</category>
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