<?xml version="1.0"?>
<rss version="2.0">
 <channel>
  <title>StreetInsider.com News Articles</title>
  <link>http://www.streetinsider.com</link>
  <description>Latest StreetInsider.com News Articles</description>
  <language>en-us</language>
  <copyright>Copyright 2026, StreetInsider.com</copyright>
  <managingEditor>rss@streetinsider.com (SI RSS)</managingEditor>
  <webMaster>rss@streetinsider.com (SI RSS)</webMaster>
  <lastBuildDate>Thu, 15 Oct 2026 16:46:00 -0400</lastBuildDate>
  <docs>http://blogs.law.harvard.edu/tech/rss</docs>
  <image>
   <url>http://www.streetinsider.com/images/rss_logo.gif</url>
   <title>StreetInsider.com News Articles</title>
   <link>http://www.streetinsider.com</link>
   <width>143</width>
   <height>28</height>
  </image>
  <skipHours>
   <hour>0</hour>
   <hour>1</hour>
   <hour>2</hour>
   <hour>3</hour>
   <hour>21</hour>
   <hour>22</hour>
   <hour>23</hour>
  </skipHours>
  <skipDays>
   <day>Saturday</day>
   <day>Sunday</day>
  </skipDays>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 13  Filed by: Leaver Andrew</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+13++Filed+by%3A+Leaver+Andrew/27193938.html</link>
   <description>si-local-file:///var/storage/secattach/20261015/27193938.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+13++Filed+by%3A+Leaver+Andrew/27193938.html</guid>
   <pubDate>Thu, 15 Oct 2026 16:46:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 12  Filed by: Leaver Andrew</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+12++Filed+by%3A+Leaver+Andrew/27182109.html</link>
   <description>si-local-file:///var/storage/secattach/20261013/27182109.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+12++Filed+by%3A+Leaver+Andrew/27182109.html</guid>
   <pubDate>Tue, 13 Oct 2026 17:48:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  144        Arqit Quantum Inc.                     Filed by: Leaver Andrew</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++144++++++++Arqit+Quantum+Inc.+++++++++++++++++++++Filed+by%3A+Leaver+Andrew/27180836.html</link>
   <description>si-local-file:///var/storage/secattach/20261013/27180836.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++144++++++++Arqit+Quantum+Inc.+++++++++++++++++++++Filed+by%3A+Leaver+Andrew/27180836.html</guid>
   <pubDate>Tue, 13 Oct 2026 15:20:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 06  Filed by: Nilan Nicholas William</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Nilan+Nicholas+William/27167885.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27167885.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Nilan+Nicholas+William/27167885.html</guid>
   <pubDate>Thu, 08 Oct 2026 18:19:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 06  Filed by: Wilder Ben Simon</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Wilder+Ben+Simon/27167886.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27167886.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Wilder+Ben+Simon/27167886.html</guid>
   <pubDate>Thu, 08 Oct 2026 18:19:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 06  Filed by: Ritchie Garth</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Ritchie+Garth/27167884.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27167884.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Ritchie+Garth/27167884.html</guid>
   <pubDate>Thu, 08 Oct 2026 18:18:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 06  Filed by: Willcocks Patrick</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Willcocks+Patrick/27167883.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27167883.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Willcocks+Patrick/27167883.html</guid>
   <pubDate>Thu, 08 Oct 2026 18:17:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 06  Filed by: Feenan Paul</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Feenan+Paul/27167881.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27167881.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Feenan+Paul/27167881.html</guid>
   <pubDate>Thu, 08 Oct 2026 18:16:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 06  Filed by: Leaver Andrew</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Leaver+Andrew/27167880.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27167880.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+06++Filed+by%3A+Leaver+Andrew/27167880.html</guid>
   <pubDate>Thu, 08 Oct 2026 18:15:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  6-K        Arqit Quantum Inc.        For: Oct 08</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+08/27166934.html</link>
   <description>si-local-file:///var/storage/secattach/20261008/27166934.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++6-K++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+08/27166934.html</guid>
   <pubDate>Thu, 08 Oct 2026 16:01:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Arqit Quantum Inc. Announces Select Preliminary Financial Results for the Second Half and Full Fiscal Year 2026</title>
   <link>http://www.streetinsider.com/Press+Releases/Arqit+Quantum+Inc.+Announces+Select+Preliminary+Financial+Results+for+the+Second+Half+and+Full+Fiscal+Year+2026/27164283.html</link>
   <description>&lt;p align=&quot;justify&quot;&gt;LONDON, Oct.  08, 2026  (GLOBE NEWSWIRE) -- &lt;/p&gt;  &lt;p align=&quot;justify&quot;&gt;Arqit Quantum Inc. (Nasdaq: ARQQ) (“Arqit”), a global leader in quantum-safe encryption, announces select preliminary financial results for the second half and full fiscal year 2026.&lt;/p&gt;  &lt;p align=&quot;justify&quot;&gt;Based on preliminary unaudited results, management expects revenue for the second half period ended 30 September 2026 of approximately $355,000 to $380,000. For the full fiscal year ended 30 September 2026, revenue is expected to be $975,000 to $1,000,000. Cash and cash equivalents were approximately $51 million as of 30 September 2026.&lt;/p&gt;  &lt;p align=&quot;justify&quot;&gt;Revenue for the second half</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Arqit+Quantum+Inc.+Announces+Select+Preliminary+Financial+Results+for+the+Second+Half+and+Full+Fiscal+Year+2026/27164283.html</guid>
   <pubDate>Thu, 08 Oct 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Arqit Quantum Inc. Announces Select Preliminary Financial Results for the Second Half and Full Fiscal Year 2026</title>
   <link>http://www.streetinsider.com/Globe+Newswire/Arqit+Quantum+Inc.+Announces+Select+Preliminary+Financial+Results+for+the+Second+Half+and+Full+Fiscal+Year+2026/27164283.html</link>
   <description>&lt;p align=&quot;justify&quot;&gt;LONDON, Oct.  08, 2026  (GLOBE NEWSWIRE) -- &lt;/p&gt;  &lt;p align=&quot;justify&quot;&gt;Arqit Quantum Inc. (Nasdaq: ARQQ) (“Arqit”), a global leader in quantum-safe encryption, announces select preliminary financial results for the second half and full fiscal year 2026.&lt;/p&gt;  &lt;p align=&quot;justify&quot;&gt;Based on preliminary unaudited results, management expects revenue for the second half period ended 30 September 2026 of approximately $355,000 to $380,000. For the full fiscal year ended 30 September 2026, revenue is expected to be $975,000 to $1,000,000. Cash and cash equivalents were approximately $51 million as of 30 September 2026.&lt;/p&gt;  &lt;p align=&quot;justify&quot;&gt;Revenue for the second half</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Globe+Newswire/Arqit+Quantum+Inc.+Announces+Select+Preliminary+Financial+Results+for+the+Second+Half+and+Full+Fiscal+Year+2026/27164283.html</guid>
   <pubDate>Thu, 08 Oct 2026 08:30:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Leaver Andrew</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Leaver+Andrew/27162258.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162258.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Leaver+Andrew/27162258.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:53:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Calabria Carlo</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Calabria+Carlo/27162257.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162257.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Calabria+Carlo/27162257.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:51:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Feenan Paul</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Feenan+Paul/27162254.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162254.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Feenan+Paul/27162254.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:49:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Lefebvre d&amp;apos;Ovidio Manfredi</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Lefebvre+d%26apos%3BOvidio+Manfredi/27162253.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162253.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Lefebvre+d%26apos%3BOvidio+Manfredi/27162253.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:48:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Nilan Nicholas William</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Nilan+Nicholas+William/27162251.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162251.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Nilan+Nicholas+William/27162251.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:46:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Ritchie Garth</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Ritchie+Garth/27162250.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162250.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Ritchie+Garth/27162250.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:44:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Wilder Ben Simon</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Wilder+Ben+Simon/27162249.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162249.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Wilder+Ben+Simon/27162249.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:42:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 05  Filed by: Willcocks Patrick</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Willcocks+Patrick/27162248.html</link>
   <description>si-local-file:///var/storage/secattach/20261007/27162248.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+05++Filed+by%3A+Willcocks+Patrick/27162248.html</guid>
   <pubDate>Wed, 07 Oct 2026 19:40:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 02  Filed by: Willcocks Patrick</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Willcocks+Patrick/27156624.html</link>
   <description>si-local-file:///var/storage/secattach/20261006/27156624.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Willcocks+Patrick/27156624.html</guid>
   <pubDate>Tue, 06 Oct 2026 19:46:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 02  Filed by: Wilder Ben Simon</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Wilder+Ben+Simon/27156618.html</link>
   <description>si-local-file:///var/storage/secattach/20261006/27156618.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Wilder+Ben+Simon/27156618.html</guid>
   <pubDate>Tue, 06 Oct 2026 19:45:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 02  Filed by: Ritchie Garth</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Ritchie+Garth/27156613.html</link>
   <description>si-local-file:///var/storage/secattach/20261006/27156613.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Ritchie+Garth/27156613.html</guid>
   <pubDate>Tue, 06 Oct 2026 19:44:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 02  Filed by: Nilan Nicholas William</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Nilan+Nicholas+William/27156611.html</link>
   <description>si-local-file:///var/storage/secattach/20261006/27156611.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Nilan+Nicholas+William/27156611.html</guid>
   <pubDate>Tue, 06 Oct 2026 19:43:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
  <item>
   <title>Form  4          Arqit Quantum Inc.        For: Oct 02  Filed by: Leaver Andrew</title>
   <link>http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Leaver+Andrew/27156610.html</link>
   <description>si-local-file:///var/storage/secattach/20261006/27156610.html</description>
   <guid isPermaLink="true">http://www.streetinsider.com/SEC+Filings/Form++4++++++++++Arqit+Quantum+Inc.++++++++For%3A+Oct+02++Filed+by%3A+Leaver+Andrew/27156610.html</guid>
   <pubDate>Tue, 06 Oct 2026 19:42:00 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">ARQQ</category>
   	  </item>
 </channel>
</rss>
