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    <title>AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) - Company Filings</title>
    <link>https://www.developersdigest.tech/markets/amsc/filings</link>
    <description>Latest company filings for AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) - annual reports, quarterly reports, major events, and insider trades, newest first.</description>
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      <title><![CDATA[AMSC: SCHEDULE 13G]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ 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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    <item>
      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Insider trade (4) on 2026-04-07.]]></description>
      <pubDate>Tue, 07 Apr 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Tue, 07 Apr 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Tue, 07 Apr 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Tue, 07 Apr 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Tue, 07 Apr 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Tue, 07 Apr 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[AMSC: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ 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[AMSC: Insider trade (4)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Insider trade (4) on 2026-02-26.]]></description>
      <pubDate>Thu, 26 Feb 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[AMSC: Major company event (amended) (8-K/A)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/880807/000143774926004349/amsc20260217_8ka.htm</link>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Major company event (amended) (8-K/A) on 2026-02-17.]]></description>
      <pubDate>Tue, 17 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K/A</category>
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      <title><![CDATA[AMSC: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/880807/000143774926002978/amsc20251231_10q.htm</link>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Quarterly report (10-Q) on 2026-02-04.]]></description>
      <pubDate>Wed, 04 Feb 2026 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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      <title><![CDATA[AMSC: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/880807/000143774926002977/amsc20251203_8k.htm</link>
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      <pubDate>Wed, 04 Feb 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[AMSC: SCHEDULE 13G/A]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ 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>
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      <title><![CDATA[AMSC: Major company event (8-K)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Major company event (8-K) on 2025-12-23.]]></description>
      <pubDate>Tue, 23 Dec 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[AMSC: 424B7]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a 424B7 (424B7) on 2025-12-23.]]></description>
      <pubDate>Tue, 23 Dec 2025 12:00:00 GMT</pubDate>
      <category>424B7</category>
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      <title><![CDATA[AMSC: Major company event (8-K)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ 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>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Insider trade (4) on 2025-11-13.]]></description>
      <pubDate>Thu, 13 Nov 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[AMSC: Quarterly report (10-Q)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ 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[AMSC: Major company event (8-K)]]></title>
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      <pubDate>Wed, 05 Nov 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Insider sale notice (144) on 2025-08-08.]]></description>
      <pubDate>Fri, 08 Aug 2025 12:00:00 GMT</pubDate>
      <category>144</category>
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      <pubDate>Fri, 08 Aug 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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      <pubDate>Wed, 06 Aug 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Wed, 06 Aug 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <pubDate>Wed, 06 Aug 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Insider sale notice (144) on 2025-08-04.]]></description>
      <pubDate>Mon, 04 Aug 2025 12:00:00 GMT</pubDate>
      <category>144</category>
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    <item>
      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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      <pubDate>Mon, 04 Aug 2025 12:00:00 GMT</pubDate>
      <category>144</category>
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    <item>
      <title><![CDATA[AMSC: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/880807/000143774925023968/amsc20250630_10q.htm</link>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Quarterly report (10-Q) on 2025-07-30.]]></description>
      <pubDate>Wed, 30 Jul 2025 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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    <item>
      <title><![CDATA[AMSC: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/880807/000143774925023965/amsc20250515_8k.htm</link>
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      <pubDate>Wed, 30 Jul 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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      <title><![CDATA[AMSC: Major company event (8-K)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/880807/000143774925023783/amsc20250728_8k.htm</link>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Major company event (8-K) on 2025-07-29.]]></description>
      <pubDate>Tue, 29 Jul 2025 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[AMSC: Annual report to shareholders (ARS)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Annual report to shareholders (ARS) on 2025-06-13.]]></description>
      <pubDate>Fri, 13 Jun 2025 12:00:00 GMT</pubDate>
      <category>ARS</category>
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    <item>
      <title><![CDATA[AMSC: Proxy materials (DEFA14A)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Proxy materials (DEFA14A) on 2025-06-13.]]></description>
      <pubDate>Fri, 13 Jun 2025 12:00:00 GMT</pubDate>
      <category>DEFA14A</category>
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    <item>
      <title><![CDATA[AMSC: Proxy statement (DEF 14A)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Proxy statement (DEF 14A) on 2025-06-13.]]></description>
      <pubDate>Fri, 13 Jun 2025 12:00:00 GMT</pubDate>
      <category>DEF 14A</category>
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      <title><![CDATA[AMSC: Insider trade (4)]]></title>
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      <description><![CDATA[AMERICAN SUPERCONDUCTOR CORP /DE/ filed a Insider trade (4) on 2025-06-12.]]></description>
      <pubDate>Thu, 12 Jun 2025 12:00:00 GMT</pubDate>
      <category>4</category>
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      <pubDate>Thu, 12 Jun 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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      <pubDate>Wed, 11 Jun 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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      <pubDate>Wed, 11 Jun 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Major company event (8-K)]]></title>
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      <pubDate>Wed, 11 Jun 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Prospectus supplement (424B5)]]></title>
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      <title><![CDATA[AMSC: Prospectus supplement (424B5)]]></title>
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      <pubDate>Tue, 10 Jun 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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      <title><![CDATA[AMSC: Insider sale notice (144)]]></title>
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