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    <title>ASPEN AEROGELS INC (ASPN) - Company Filings</title>
    <link>https://www.developersdigest.tech/markets/aspn/filings</link>
    <description>Latest company filings for ASPEN AEROGELS INC (ASPN) - annual reports, quarterly reports, major events, and insider trades, newest first.</description>
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    <lastBuildDate>Mon, 13 Jul 2026 11:01:44 GMT</lastBuildDate>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Major company event (8-K) on 2026-05-18.]]></description>
      <pubDate>Mon, 18 May 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[ASPN: Insider trade (4)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Insider trade (4) on 2026-05-14.]]></description>
      <pubDate>Thu, 14 May 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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      <pubDate>Thu, 14 May 2026 12:00:00 GMT</pubDate>
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      <pubDate>Thu, 14 May 2026 12:00:00 GMT</pubDate>
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      <pubDate>Thu, 14 May 2026 12:00:00 GMT</pubDate>
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      <pubDate>Thu, 14 May 2026 12:00:00 GMT</pubDate>
      <category>4</category>
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    <item>
      <title><![CDATA[ASPN: Quarterly report (10-Q)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1145986/000119312526214672/aspn-20260331.htm</link>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Quarterly report (10-Q) on 2026-05-08.]]></description>
      <pubDate>Fri, 08 May 2026 12:00:00 GMT</pubDate>
      <category>10-Q</category>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <description><![CDATA[ASPEN AEROGELS 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>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Major company event (8-K) on 2026-04-21.]]></description>
      <pubDate>Tue, 21 Apr 2026 12:00:00 GMT</pubDate>
      <category>8-K</category>
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    <item>
      <title><![CDATA[ASPN: Annual report to shareholders (ARS)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1145986/000119312526129482/aspn_ars_2025.pdf</link>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Annual report to shareholders (ARS) on 2026-03-27.]]></description>
      <pubDate>Fri, 27 Mar 2026 12:00:00 GMT</pubDate>
      <category>ARS</category>
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    <item>
      <title><![CDATA[ASPN: Proxy materials (DEFA14A)]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1145986/000119312526129357/aspen_defa14a_2026.htm</link>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Proxy materials (DEFA14A) on 2026-03-27.]]></description>
      <pubDate>Fri, 27 Mar 2026 12:00:00 GMT</pubDate>
      <category>DEFA14A</category>
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      <title><![CDATA[ASPN: Proxy statement (DEF 14A)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Proxy statement (DEF 14A) on 2026-03-27.]]></description>
      <pubDate>Fri, 27 Mar 2026 12:00:00 GMT</pubDate>
      <category>DEF 14A</category>
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      <title><![CDATA[ASPN: SCHEDULE 13G/A]]></title>
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      <pubDate>Thu, 26 Mar 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G/A</category>
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      <title><![CDATA[ASPN: Annual report (amended) (10-K/A)]]></title>
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      <pubDate>Mon, 23 Mar 2026 12:00:00 GMT</pubDate>
      <category>10-K/A</category>
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      <title><![CDATA[ASPN: PRE 14A]]></title>
      <link>https://www.sec.gov/Archives/edgar/data/1145986/000119312526106471/aspn-20260313.htm</link>
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      <description><![CDATA[ASPEN AEROGELS INC filed a PRE 14A (PRE 14A) on 2026-03-13.]]></description>
      <pubDate>Fri, 13 Mar 2026 12:00:00 GMT</pubDate>
      <category>PRE 14A</category>
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      <title><![CDATA[ASPN: Annual report (10-K)]]></title>
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      <pubDate>Fri, 13 Mar 2026 12:00:00 GMT</pubDate>
      <category>10-K</category>
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      <title><![CDATA[ASPN: Insider trade (4)]]></title>
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      <pubDate>Tue, 10 Mar 2026 12:00:00 GMT</pubDate>
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      <pubDate>Tue, 10 Mar 2026 12:00:00 GMT</pubDate>
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      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
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      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
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      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
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      <pubDate>Fri, 06 Mar 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <pubDate>Wed, 25 Feb 2026 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: SCHEDULE 13G]]></title>
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      <pubDate>Fri, 13 Feb 2026 12:00:00 GMT</pubDate>
      <category>SCHEDULE 13G</category>
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      <title><![CDATA[ASPN: Insider trade (amended) (4/A)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Insider trade (amended) (4/A) on 2025-12-19.]]></description>
      <pubDate>Fri, 19 Dec 2025 12:00:00 GMT</pubDate>
      <category>4/A</category>
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      <title><![CDATA[ASPN: 3/A]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a 3/A (3/A) on 2025-12-19.]]></description>
      <pubDate>Fri, 19 Dec 2025 12:00:00 GMT</pubDate>
      <category>3/A</category>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Major company event (8-K) on 2025-12-18.]]></description>
      <pubDate>Thu, 18 Dec 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Insider trade (4)]]></title>
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      <pubDate>Fri, 14 Nov 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Insider sale notice (144)]]></title>
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      <pubDate>Thu, 13 Nov 2025 12:00:00 GMT</pubDate>
      <category>144</category>
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      <title><![CDATA[ASPN: Quarterly report (10-Q)]]></title>
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      <description><![CDATA[ASPEN AEROGELS INC filed a Quarterly report (10-Q) on 2025-11-06.]]></description>
      <pubDate>Thu, 06 Nov 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <pubDate>Fri, 03 Oct 2025 12:00:00 GMT</pubDate>
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      <pubDate>Thu, 02 Oct 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: New insider ownership (3)]]></title>
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      <title><![CDATA[ASPN: New insider ownership (3)]]></title>
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      <pubDate>Mon, 15 Sep 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Major company event (8-K)]]></title>
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      <title><![CDATA[ASPN: Insider trade (4)]]></title>
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      <pubDate>Wed, 13 Aug 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Insider sale notice (144)]]></title>
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      <pubDate>Tue, 12 Aug 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Quarterly report (10-Q)]]></title>
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      <pubDate>Thu, 07 Aug 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: Insider trade (4)]]></title>
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      <pubDate>Tue, 27 May 2025 12:00:00 GMT</pubDate>
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      <title><![CDATA[ASPN: SCHEDULE 13G/A]]></title>
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      <pubDate>Thu, 15 May 2025 12:00:00 GMT</pubDate>
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      <pubDate>Thu, 15 May 2025 12:00:00 GMT</pubDate>
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      <pubDate>Mon, 12 May 2025 12:00:00 GMT</pubDate>
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