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<title>Ciena Corp. (CIEN) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/cien/</link>
<description>Every dated entry in the public record on Ciena Corp.: results, filings, insider trades and the rest, from the filings, the last 90 days.</description>
<language>en</language>
<atom:link href="https://greeksoup.ai/stocks/us/cien/feed.xml" rel="self" type="application/rss+xml"/>
<lastBuildDate>Wed, 23 Sep 2026 00:00:00 +0000</lastBuildDate>
<item><title>Ciena Corp.: Diperna Dino (EVP &amp; Chief R&amp;D Officer) sold 249 shares at $350.00 on 16 September 2026, $87,150</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-09-17:55c7d38dfb</guid><pubDate>Thu, 17 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199846026000011/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Smith Gary B (President &amp; CEO) sold 2,952 shares at $330.18 on 15 September 2026, $974,688</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-09-17:0b617062dc</guid><pubDate>Thu, 17 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000103255326000039/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Rothenstein David M (EVP &amp; Chief Strategy Officer) sold 2,500 shares at $330.48 on 15 September 2026, $826,208</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-09-17:53c7058e9f</guid><pubDate>Thu, 17 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000144415726000024/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Gage Brodie (EVP &amp; Chief Product &amp;) sold 1,200 shares at $324.86 on 15 September 2026, $389,832</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-09-17:8d09d60d26</guid><pubDate>Thu, 17 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199882626000018/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Diperna Dino (EVP &amp; Chief R&amp;D Officer) sold 249 shares at $324.86 on 15 September 2026, $80,890</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-09-17:29ad36309a</guid><pubDate>Thu, 17 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199846026000011/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, DINO DIPERNA plans to sell 249 shares worth $87,150 around 16 September 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-09-16:9023b36c31</guid><pubDate>Wed, 16 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726009584/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, DINO DIPERNA plans to sell 249 shares worth $80,890 around 15 September 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-09-15:a0c5b2fc7f</guid><pubDate>Tue, 15 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726009486/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, BRODIE GAGE plans to sell 1,200 shares worth $389,832 around 15 September 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-09-15:8ee174b5f6</guid><pubDate>Tue, 15 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726009463/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, DAVID ROTHENSTEIN plans to sell 2,500 shares worth $799,100 around 15 September 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-09-15:e2653834f7</guid><pubDate>Tue, 15 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726009494/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp. Q3 FY2026 results: revenue $1.7 billion, net income $266 million</title><link>https://greeksoup.ai/stocks/us/cien/results/fy2026-q3/</link><guid isPermaLink="false">us:CIEN:result:2026-09-03:893cd1428c</guid><pubDate>Thu, 03 Sep 2026 00:00:00 +0000</pubDate><category>Results</category><description><![CDATA[<p>Results. <a href="https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0000936395&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/results/fy2026-q3/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/cien/filings/</link><guid isPermaLink="false">us:CIEN:filing:2026-09-03:ec0fd25696</guid><pubDate>Thu, 03 Sep 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/936395/000162828026060361/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp. filed 8-K: results of operations</title><link>https://greeksoup.ai/stocks/us/cien/filings/</link><guid isPermaLink="false">us:CIEN:filing:2026-09-03:cbf93e378c</guid><pubDate>Thu, 03 Sep 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/936395/000162828026060245/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Schedule 13G/A filed by JPMORGAN CHASE &amp; CO., 3.9% of the class</title><link>https://greeksoup.ai/stocks/us/cien/holders/</link><guid isPermaLink="false">us:CIEN:schedule-13:2026-09-03:93d0f7af0f</guid><pubDate>Thu, 03 Sep 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/936395/000001961726000338/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Smith Gary B (President, CEO) sold 2,952 shares at $362.90 on 1 September 2026, $1.1 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-09-02:01e298ba46</guid><pubDate>Wed, 02 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000103255326000037/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: short interest 3,345,857 shares at the 31 August 2026 settlement, 1.99 days to cover</title><link>https://greeksoup.ai/stocks/us/cien/short-interest/</link><guid isPermaLink="false">us:CIEN:short-interest:2026-08-31:776d1c43e9</guid><pubDate>Mon, 31 Aug 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Smith Gary B (President, CEO) sold 2,952 shares at $447.78 on 17 August 2026, $1.3 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-08-18:01eba8f996</guid><pubDate>Tue, 18 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000103255326000035/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Gage Brodie (SVP Global Products &amp; Supply) sold 1,200 shares at $439.24 on 17 August 2026, $527,088</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-08-18:4a85c82ad3</guid><pubDate>Tue, 18 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199882626000016/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Graff Marc D. (SVP &amp; Chief Financial Officer) sold 4,995 shares at $430.72 on 14 August 2026, $2.2 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-08-18:7bc476e1d7</guid><pubDate>Tue, 18 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000208015726000010/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Rothenstein David M (SVP and Chief Strategy Officer) sold 2,500 shares at $438.10 on 14 August 2026, $1.1 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-08-18:278d775935</guid><pubDate>Tue, 18 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000144415726000022/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, BRODIE GAGE plans to sell 1,200 shares worth $527,088 around 17 August 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-08-17:2ed4d218c9</guid><pubDate>Mon, 17 Aug 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726008216/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, DAVID ROTHENSTEIN plans to sell 2,500 shares worth $1.1 million around 14 August 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-08-14:af680bd672</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726008136/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, MARC GRAFF plans to sell 4,995 shares worth $2.2 million around 14 August 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-08-14:33e9ecec46</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726008131/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: short interest 2,921,400 shares at the 14 August 2026 settlement, 1.37 days to cover</title><link>https://greeksoup.ai/stocks/us/cien/short-interest/</link><guid isPermaLink="false">us:CIEN:short-interest:2026-08-14:43df0b0aec</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Schedule 13G/A filed by FMR LLC, 13.5% of the class</title><link>https://greeksoup.ai/stocks/us/cien/holders/</link><guid isPermaLink="false">us:CIEN:schedule-13:2026-08-06:312ec5b937</guid><pubDate>Thu, 06 Aug 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/936395/000031506626001963/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Smith Gary B (President, CEO) sold 2,952 shares at $379.81 on 3 August 2026, $1.1 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-08-04:74de3684ad</guid><pubDate>Tue, 04 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000103255326000033/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: short interest 3,711,106 shares at the 31 July 2026 settlement, 1.62 days to cover</title><link>https://greeksoup.ai/stocks/us/cien/short-interest/</link><guid isPermaLink="false">us:CIEN:short-interest:2026-07-31:cd356e7ebd</guid><pubDate>Fri, 31 Jul 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Smith Gary B (President, CEO) sold 2,952 shares at $421.10 on 15 July 2026, $1.2 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-17:9422c145b3</guid><pubDate>Fri, 17 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000103255326000031/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Rothenstein David M (SVP and Chief Strategy Officer) sold 2,500 shares at $420.91 on 15 July 2026, $1.1 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-17:b343147e8d</guid><pubDate>Fri, 17 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000144415726000020/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Gage Brodie (SVP Global Products &amp; Supply) sold 1,200 shares at $449.15 on 15 July 2026, $538,980</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-17:5fb895085a</guid><pubDate>Fri, 17 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199882626000014/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Diperna Dino (SVP Global R&amp;D) sold 391 shares at $449.15 on 15 July 2026, $175,618</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-17:31ef572feb</guid><pubDate>Fri, 17 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199846026000009/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Diperna Dino (SVP Global R&amp;D) sold 391 shares at $449.15 on 15 July 2026, $175,618</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-17:31ef572feb</guid><pubDate>Fri, 17 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000199846026000009/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, DINO DIPERNA plans to sell 782 shares worth $351,235 around 15 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-15:9ad0b646a2</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726007083/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, BRODIE GAGE plans to sell 1,200 shares worth $538,980 around 15 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-15:bcf2b7fd24</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726007084/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, DAVID ROTHENSTEIN plans to sell 2,500 shares worth $1.1 million around 15 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-15:806bf8f549</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726007112/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, Gary B. Smith plans to sell 17,712 shares worth $7.4 million around 15 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-15:beb5911ab2</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195824426000454/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: short interest 3,993,188 shares at the 15 July 2026 settlement, 2.40 days to cover</title><link>https://greeksoup.ai/stocks/us/cien/short-interest/</link><guid isPermaLink="false">us:CIEN:short-interest:2026-07-15:57ae88738b</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Kosaraju Sheela (SVP and General Counsel) sold 2,013 shares at $466.20 on 1 July 2026, $938,461</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-06:d44a13bc7b</guid><pubDate>Mon, 06 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000196378126000010/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Graff Marc D. (SVP &amp; Chief Financial Officer) sold 126 shares at $466.20 on 1 July 2026, $58,741</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-06:40cc7393f1</guid><pubDate>Mon, 06 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000208015726000006/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Phipps Jason (SVP Global Sales and Marketing) sold 2,629 shares at $466.20 on 1 July 2026, $1.2 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-06:ce80171ec6</guid><pubDate>Mon, 06 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000169919326000006/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Smith Gary B (President, CEO) sold 2,952 shares at $468.83 on 1 July 2026, $1.4 million</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-07-06:816b8af718</guid><pubDate>Mon, 06 Jul 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000103255326000029/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, MARC GRAFF plans to sell 126 shares worth $61,811 around 1 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-01:725a662b68</guid><pubDate>Wed, 01 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726006772/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, SHEELA KOSARAJU plans to sell 2,013 shares worth $938,461 around 1 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-01:53ebbb3472</guid><pubDate>Wed, 01 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726006681/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, JASON PHIPPS plans to sell 2,629 shares worth $1.2 million around 1 July 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-07-01:5f8de09cc2</guid><pubDate>Wed, 01 Jul 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726006679/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Cumello Joseph (SVP, General Mgr. Blue Planet) sold 1,586 shares at $466.33 on 26 June 2026, $739,599</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-06-30:172a1290cf</guid><pubDate>Tue, 30 Jun 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000196363826000009/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: short interest 3,853,439 shares at the 30 June 2026 settlement, 1.00 days to cover</title><link>https://greeksoup.ai/stocks/us/cien/short-interest/</link><guid isPermaLink="false">us:CIEN:short-interest:2026-06-30:954a80f0f0</guid><pubDate>Tue, 30 Jun 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Form 144, JOSEPH CUMELLO plans to sell 1,586 shares worth $768,718 around 26 June 2026</title><link>https://greeksoup.ai/stocks/us/cien/planned-sales/</link><guid isPermaLink="false">us:CIEN:planned-sale:2026-06-26:c230c364a5</guid><pubDate>Fri, 26 Jun 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/936395/000195004726006548/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Ciena Corp.: Graff Marc D. (SVP &amp; Chief Financial Officer) sold 126 shares at $449.36 on 24 June 2026, $56,619</title><link>https://greeksoup.ai/stocks/us/cien/insiders/</link><guid isPermaLink="false">us:CIEN:insider:2026-06-26:aaf0839ba1</guid><pubDate>Fri, 26 Jun 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/936395/000208015726000004/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/cien/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
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