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    <title>Ecovyst Inc. (ECVT) - Company Filings</title>
    <link>https://www.developersdigest.tech/markets/ecvt/filings</link>
    <description>Latest company filings for Ecovyst Inc. (ECVT) - annual reports, quarterly reports, major events, and insider trades, newest first.</description>
    <language>en</language>
    <lastBuildDate>Sat, 11 Jul 2026 15:57:39 GMT</lastBuildDate>
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      <title><![CDATA[ECVT: New insider ownership (3)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a New insider ownership (3) on 2026-05-26.]]></description>
      <pubDate>Tue, 26 May 2026 12:00:00 GMT</pubDate>
      <category>3</category>
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    <item>
      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803526000070/ecvt-20260520.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2026-05-21.]]></description>
      <pubDate>Thu, 21 May 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[ECVT: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2026-05-08.]]></description>
      <pubDate>Fri, 08 May 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
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      <title><![CDATA[ECVT: Quarterly report (10-Q)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Quarterly report (10-Q) on 2026-05-05.]]></description>
      <pubDate>Tue, 05 May 2026 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2026-05-05.]]></description>
      <pubDate>Tue, 05 May 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2026-05-04.]]></description>
      <pubDate>Mon, 04 May 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[ECVT: SCHEDULE 13G]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13G (SCHEDULE 13G) on 2026-04-29.]]></description>
      <pubDate>Wed, 29 Apr 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G</category>
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      <title><![CDATA[ECVT: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2026-04-24.]]></description>
      <pubDate>Fri, 24 Apr 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
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    <item>
      <title><![CDATA[ECVT: Annual report to shareholders (ARS)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Annual report to shareholders (ARS) on 2026-04-15.]]></description>
      <pubDate>Wed, 15 Apr 2026 12:00:00 GMT</pubDate>
      <category>ARS</category>
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    <item>
      <title><![CDATA[ECVT: Proxy statement (DEF 14A)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000114036126014838/ny20066677x1_def14a.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Proxy statement (DEF 14A) on 2026-04-15.]]></description>
      <pubDate>Wed, 15 Apr 2026 12:00:00 GMT</pubDate>
      <category>DEF 14A</category>
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      <title><![CDATA[ECVT: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2026-03-26.]]></description>
      <pubDate>Thu, 26 Mar 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-03-16.]]></description>
      <pubDate>Mon, 16 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-03-06.]]></description>
      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[ECVT: Annual report (10-K)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Annual report (10-K) on 2026-02-27.]]></description>
      <pubDate>Fri, 27 Feb 2026 12:00:00 GMT</pubDate>
      <category>10-K</category>
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      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803526000047/ecvt-20260226.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2026-02-26.]]></description>
      <pubDate>Thu, 26 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-02-05.]]></description>
      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-02-05.]]></description>
      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-01-26.]]></description>
      <pubDate>Mon, 26 Jan 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <pubDate>Mon, 26 Jan 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-01-07.]]></description>
      <pubDate>Wed, 07 Jan 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2026-01-07.]]></description>
      <pubDate>Wed, 07 Jan 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803526000010/ecvt-20251231.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2026-01-07.]]></description>
      <pubDate>Wed, 07 Jan 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-12-12.]]></description>
      <pubDate>Fri, 12 Dec 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[ECVT: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[Ecovyst Inc. 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>
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      <title><![CDATA[ECVT: SCHEDULE 13G]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13G (SCHEDULE 13G) on 2025-11-14.]]></description>
      <pubDate>Fri, 14 Nov 2025 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G</category>
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      <title><![CDATA[ECVT: Insider trade (4)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider trade (4) on 2025-11-10.]]></description>
      <pubDate>Mon, 10 Nov 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[ECVT: Insider sale notice (144)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Insider sale notice (144) on 2025-11-07.]]></description>
      <pubDate>Fri, 07 Nov 2025 12:00:00 GMT</pubDate>
      <category>144</category>
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    <item>
      <title><![CDATA[ECVT: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000118/ecvt-20250930.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Quarterly report (10-Q) on 2025-11-05.]]></description>
      <pubDate>Wed, 05 Nov 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000115/ecvt-20251104.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-11-04.]]></description>
      <pubDate>Tue, 04 Nov 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-09-11.]]></description>
      <pubDate>Thu, 11 Sep 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[ECVT: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2025-08-13.]]></description>
      <pubDate>Wed, 13 Aug 2025 12:00:00 GMT</pubDate>
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      <category>8-K</category>
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      <title><![CDATA[ECVT: Quarterly report (10-Q)]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a Quarterly report (10-Q) on 2025-08-07.]]></description>
      <pubDate>Thu, 07 Aug 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000104/ecvt-20250807.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-08-07.]]></description>
      <pubDate>Thu, 07 Aug 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[ECVT: SCHEDULE 13D/A]]></title>
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      <description><![CDATA[Ecovyst Inc. filed a SCHEDULE 13D/A (SCHEDULE 13D/A) on 2025-07-02.]]></description>
      <pubDate>Wed, 02 Jul 2025 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13D/A</category>
    </item>
    <item>
      <title><![CDATA[ECVT: Employee plan annual report (11-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000093/form11-kxsavingplanfinanci.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Employee plan annual report (11-K) on 2025-06-20.]]></description>
      <pubDate>Fri, 20 Jun 2025 12:00:00 GMT</pubDate>
      <category>11-K</category>
    </item>
    <item>
      <title><![CDATA[ECVT: SD]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000089/formsd-2025conflictmineral.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a SD (SD) on 2025-05-30.]]></description>
      <pubDate>Fri, 30 May 2025 12:00:00 GMT</pubDate>
      <category>SD</category>
    </item>
    <item>
      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000086/ecvt-20250508.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-05-09.]]></description>
      <pubDate>Fri, 09 May 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ECVT: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000083/ecvt-20250331.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Quarterly report (10-Q) on 2025-05-02.]]></description>
      <pubDate>Fri, 02 May 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
    </item>
    <item>
      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000170803525000076/ecvt-20250501.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-05-01.]]></description>
      <pubDate>Thu, 01 May 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ECVT: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1708035/000119312525078475/d924691d8k.htm</link>
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      <description><![CDATA[Ecovyst Inc. filed a Major company event (8-K) on 2025-04-11.]]></description>
      <pubDate>Fri, 11 Apr 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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