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    <title>AMTECH SYSTEMS INC (ASYS) - Company Filings</title>
    <link>https://www.developersdigest.tech/markets/asys/filings</link>
    <description>Latest company filings for AMTECH SYSTEMS INC (ASYS) - annual reports, quarterly reports, major events, and insider trades, newest first.</description>
    <language>en</language>
    <lastBuildDate>Tue, 14 Jul 2026 03:06:08 GMT</lastBuildDate>
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    <item>
      <title><![CDATA[ASYS: SD]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000072050026000004/2025_asys_sd_conflict_mi.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a SD (SD) on 2026-05-26.]]></description>
      <pubDate>Tue, 26 May 2026 12:00:00 GMT</pubDate>
      <category>SD</category>
    </item>
    <item>
      <title><![CDATA[ASYS: New insider ownership (3)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000142048526000004/xslF345X06/ownership.xml</link>
      <guid isPermaLink="false">0001420485-26-000004</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a New insider ownership (3) on 2026-05-14.]]></description>
      <pubDate>Thu, 14 May 2026 12:00:00 GMT</pubDate>
      <category>3</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526211962/asys-20260505.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2026-05-07.]]></description>
      <pubDate>Thu, 07 May 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526211854/asys-20260331.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Quarterly report (10-Q) on 2026-05-07.]]></description>
      <pubDate>Thu, 07 May 2026 12:00:00 GMT</pubDate>
      <category>10-Q</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526211838/asys-20260507.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2026-05-07.]]></description>
      <pubDate>Thu, 07 May 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526195969/asys-20260424.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2026-04-30.]]></description>
      <pubDate>Thu, 30 Apr 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: EFFECT]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/999999999526000911/xslEFFECTX01/primary_doc.xml</link>
      <guid isPermaLink="false">9999999995-26-000911</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a EFFECT (EFFECT) on 2026-03-23.]]></description>
      <pubDate>Mon, 23 Mar 2026 12:00:00 GMT</pubDate>
      <category>EFFECT</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Company correspondence (CORRESP)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000072050026000003/filename1.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Company correspondence (CORRESP) on 2026-03-18.]]></description>
      <pubDate>Wed, 18 Mar 2026 12:00:00 GMT</pubDate>
      <category>CORRESP</category>
    </item>
    <item>
      <title><![CDATA[ASYS: SEC correspondence (UPLOAD)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000000000026002672/filename1.pdf</link>
      <guid isPermaLink="false">0000000000-26-002672</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a SEC correspondence (UPLOAD) on 2026-03-16.]]></description>
      <pubDate>Mon, 16 Mar 2026 12:00:00 GMT</pubDate>
      <category>UPLOAD</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Securities registration (S-3)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000072050026000002/asys-20260313.htm</link>
      <guid isPermaLink="false">0000720500-26-000002</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Securities registration (S-3) on 2026-03-13.]]></description>
      <pubDate>Fri, 13 Mar 2026 12:00:00 GMT</pubDate>
      <category>S-3</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000125694926000003/xslF345X05/ownership.xml</link>
      <guid isPermaLink="false">0001256949-26-000003</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2026-03-06.]]></description>
      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526096720/xslF345X05/ownership.xml</link>
      <guid isPermaLink="false">0001193125-26-096720</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2026-03-06.]]></description>
      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526096467/xslF345X05/ownership.xml</link>
      <guid isPermaLink="false">0001193125-26-096467</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2026-03-06.]]></description>
      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000110465926024720/xslF345X05/tm268238-1_4seq1.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2026-03-06.]]></description>
      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000072050026000001/asys-20260304.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2026-03-06.]]></description>
      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: SCHEDULE 13G/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000139834426003122/xslSCHEDULE_13G_X01/primary_doc.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2026-02-13.]]></description>
      <pubDate>Fri, 13 Feb 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526039360/asys-20251231.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Quarterly report (10-Q) on 2026-02-05.]]></description>
      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
      <category>10-Q</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526039351/asys-20260205.htm</link>
      <guid isPermaLink="false">0001193125-26-039351</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2026-02-05.]]></description>
      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Annual report to shareholders (ARS)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526020766/asys_ars_2026_v1.pdf</link>
      <guid isPermaLink="false">0001193125-26-020766</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Annual report to shareholders (ARS) on 2026-01-23.]]></description>
      <pubDate>Fri, 23 Jan 2026 12:00:00 GMT</pubDate>
      <category>ARS</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Proxy statement (DEF 14A)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312526020762/asys-20260123.htm</link>
      <guid isPermaLink="false">0001193125-26-020762</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Proxy statement (DEF 14A) on 2026-01-23.]]></description>
      <pubDate>Fri, 23 Jan 2026 12:00:00 GMT</pubDate>
      <category>DEF 14A</category>
    </item>
    <item>
      <title><![CDATA[ASYS: SCHEDULE 13G/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000035420426000303/xslSCHEDULE_13G_X01/primary_doc.xml</link>
      <guid isPermaLink="false">0000354204-26-000303</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2026-01-21.]]></description>
      <pubDate>Wed, 21 Jan 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312525319228/asys-20251209.htm</link>
      <guid isPermaLink="false">0001193125-25-319228</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-12-15.]]></description>
      <pubDate>Mon, 15 Dec 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312525314185/asys-20251210.htm</link>
      <guid isPermaLink="false">0001193125-25-314185</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-12-10.]]></description>
      <pubDate>Wed, 10 Dec 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Annual report (10-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312525314147/asys-20250930.htm</link>
      <guid isPermaLink="false">0001193125-25-314147</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Annual report (10-K) on 2025-12-10.]]></description>
      <pubDate>Wed, 10 Dec 2025 12:00:00 GMT</pubDate>
      <category>10-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312525304022/asys-20251126.htm</link>
      <guid isPermaLink="false">0001193125-25-304022</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-12-01.]]></description>
      <pubDate>Mon, 01 Dec 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000119312525303881/asys-20251201.htm</link>
      <guid isPermaLink="false">0001193125-25-303881</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-12-01.]]></description>
      <pubDate>Mon, 01 Dec 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000110465925086997/xslF345X05/tm2525054-1_4seq1.xml</link>
      <guid isPermaLink="false">0001104659-25-086997</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-09-03.]]></description>
      <pubDate>Wed, 03 Sep 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025109373/xslF345X05/ownership.xml</link>
      <guid isPermaLink="false">0000950170-25-109373</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-08-15.]]></description>
      <pubDate>Fri, 15 Aug 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025104002/asys-20250630.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Quarterly report (10-Q) on 2025-08-06.]]></description>
      <pubDate>Wed, 06 Aug 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025103999/asys-20250806.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-08-06.]]></description>
      <pubDate>Wed, 06 Aug 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: SD]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025079283/2024_asys_sd_conflict_mi.htm</link>
      <guid isPermaLink="false">0000950170-25-079283</guid>
      <description><![CDATA[AMTECH SYSTEMS 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[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000110465925050117/xslF345X05/tm2515400-1_4seq1.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-05-16.]]></description>
      <pubDate>Fri, 16 May 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025073717/xslF345X05/ownership.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-05-16.]]></description>
      <pubDate>Fri, 16 May 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025069140/asys-20250512.htm</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-05-12.]]></description>
      <pubDate>Mon, 12 May 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025069135/asys-20250331.htm</link>
      <guid isPermaLink="false">0000950170-25-069135</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Quarterly report (10-Q) on 2025-05-12.]]></description>
      <pubDate>Mon, 12 May 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025052548/asys-20250409.htm</link>
      <guid isPermaLink="false">0000950170-25-052548</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-04-09.]]></description>
      <pubDate>Wed, 09 Apr 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
    <item>
      <title><![CDATA[ASYS: SCHEDULE 13G/A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000090630425000074/xslSCHEDULE_13G_X01/primary_doc.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2025-04-04.]]></description>
      <pubDate>Fri, 04 Apr 2025 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025043411/xslF345X05/ownership.xml</link>
      <guid isPermaLink="false">0000950170-25-043411</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-03-21.]]></description>
      <pubDate>Fri, 21 Mar 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Employee stock plan (S-8)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025041938/s8_equity_plan_amendment.htm</link>
      <guid isPermaLink="false">0000950170-25-041938</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Employee stock plan (S-8) on 2025-03-19.]]></description>
      <pubDate>Wed, 19 Mar 2025 12:00:00 GMT</pubDate>
      <category>S-8</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000110465925022964/xslF345X05/tm258981-1_4seq1.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-03-12.]]></description>
      <pubDate>Wed, 12 Mar 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000110465925021752/xslF345X05/tm258623-1_4seq1.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-03-07.]]></description>
      <pubDate>Fri, 07 Mar 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
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      <pubDate>Fri, 07 Mar 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025035589/xslF345X05/ownership.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-03-07.]]></description>
      <pubDate>Fri, 07 Mar 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Insider trade (4)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025035575/xslF345X05/ownership.xml</link>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a Insider trade (4) on 2025-03-07.]]></description>
      <pubDate>Fri, 07 Mar 2025 12:00:00 GMT</pubDate>
      <category>4</category>
    </item>
    <item>
      <title><![CDATA[ASYS: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/720500/000095017025034957/asys-20250305.htm</link>
      <guid isPermaLink="false">0000950170-25-034957</guid>
      <description><![CDATA[AMTECH SYSTEMS INC filed a Major company event (8-K) on 2025-03-07.]]></description>
      <pubDate>Fri, 07 Mar 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
    </item>
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      <title><![CDATA[ASYS: Insider trade (4)]]></title>
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      <title><![CDATA[ASYS: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[AMTECH SYSTEMS INC filed a SCHEDULE 13G/A (SCHEDULE 13G/A) on 2025-02-12.]]></description>
      <pubDate>Wed, 12 Feb 2025 12:00:00 GMT</pubDate>
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