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<title>Zenas BioPharma, Inc. (ZBIO) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/zbio/</link>
<description>Every dated entry in the public record on Zenas BioPharma, Inc.: results, filings, insider trades and the rest, from the filings, the last 90 days.</description>
<language>en</language>
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<lastBuildDate>Wed, 28 Oct 2026 00:00:00 +0000</lastBuildDate>
<item><title>Zenas BioPharma, Inc.: Schedule 13G filed by BlackRock, Inc., 5.0% of the class</title><link>https://greeksoup.ai/stocks/us/zbio/holders/</link><guid isPermaLink="false">us:ZBIO:schedule-13:2026-10-27:5a281da0ad</guid><pubDate>Tue, 27 Oct 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/1953926/000201238326003867/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: short interest 12,538,549 shares at the 15 October 2026 settlement, 18.83 days to cover</title><link>https://greeksoup.ai/stocks/us/zbio/short-interest/</link><guid isPermaLink="false">us:ZBIO:short-interest:2026-10-15:b33f7d2497</guid><pubDate>Thu, 15 Oct 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/zbio/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc. filed 8-K: regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/zbio/filings/</link><guid isPermaLink="false">us:ZBIO:filing:2026-10-13:2bfa4d7e7a</guid><pubDate>Tue, 13 Oct 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1953926/000110465926115151/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: short interest 11,941,601 shares at the 30 September 2026 settlement, 15.48 days to cover</title><link>https://greeksoup.ai/stocks/us/zbio/short-interest/</link><guid isPermaLink="false">us:ZBIO:short-interest:2026-09-30:f552bcf0c9</guid><pubDate>Wed, 30 Sep 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/zbio/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: short interest 11,871,346 shares at the 15 September 2026 settlement, 22.43 days to cover</title><link>https://greeksoup.ai/stocks/us/zbio/short-interest/</link><guid isPermaLink="false">us:ZBIO:short-interest:2026-09-15:fdd944fab0</guid><pubDate>Tue, 15 Sep 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/zbio/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc. filed S-3ASR: s-3asr</title><link>https://greeksoup.ai/stocks/us/zbio/filings/</link><guid isPermaLink="false">us:ZBIO:filing:2026-09-11:7f40bffba7</guid><pubDate>Fri, 11 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/1953926/000110465926107108/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc. filed S-8: form s-8</title><link>https://greeksoup.ai/stocks/us/zbio/filings/</link><guid isPermaLink="false">us:ZBIO:filing:2026-09-11:091b2a6c2c</guid><pubDate>Fri, 11 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/1953926/000110465926107105/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: Schedule 13G/A filed by InnoCare Pharma Inc., 10.4% of the class</title><link>https://greeksoup.ai/stocks/us/zbio/holders/</link><guid isPermaLink="false">us:ZBIO:schedule-13:2026-09-08:eaf8e674e8</guid><pubDate>Tue, 08 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/1953926/000121390026097825/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: Schedule 13G filed by Wellington Management Group LLP, 10.1% of the class</title><link>https://greeksoup.ai/stocks/us/zbio/holders/</link><guid isPermaLink="false">us:ZBIO:schedule-13:2026-09-08:f481ac686a</guid><pubDate>Tue, 08 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/1953926/000090221926000315/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: short interest 11,702,288 shares at the 31 August 2026 settlement, 14.18 days to cover</title><link>https://greeksoup.ai/stocks/us/zbio/short-interest/</link><guid isPermaLink="false">us:ZBIO:short-interest:2026-08-31:22a8ccaa1b</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/zbio/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: Form 144, Zebra Aggregator, LP plans to sell 1,000,000 shares worth $31.9 million around 19 August 2026</title><link>https://greeksoup.ai/stocks/us/zbio/planned-sales/</link><guid isPermaLink="false">us:ZBIO:planned-sale:2026-08-19:8fa3214697</guid><pubDate>Wed, 19 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/1953926/000196858226000858/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: Schedule 13D/A filed by Enavate Sciences GP, LLC, 4.9% of the class</title><link>https://greeksoup.ai/stocks/us/zbio/holders/</link><guid isPermaLink="false">us:ZBIO:schedule-13:2026-08-19:d3f3fda159</guid><pubDate>Wed, 19 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/1953926/000195310726000015/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: Schedule 13D/A filed by SR One Capital Management, LLC, 7.7% of the class</title><link>https://greeksoup.ai/stocks/us/zbio/holders/</link><guid isPermaLink="false">us:ZBIO:schedule-13:2026-08-17:8e189db37d</guid><pubDate>Mon, 17 Aug 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p class="q">Not applicable.</p><p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/1953926/000107261326000694/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: short interest 11,658,986 shares at the 14 August 2026 settlement, 21.06 days to cover</title><link>https://greeksoup.ai/stocks/us/zbio/short-interest/</link><guid isPermaLink="false">us:ZBIO:short-interest:2026-08-14:493d8ed753</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/zbio/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc. Q2 FY2026 results: revenue $1 million, net income -$111 million</title><link>https://greeksoup.ai/stocks/us/zbio/results/fy2026-q2/</link><guid isPermaLink="false">us:ZBIO:result:2026-08-13:db01358bb8</guid><pubDate>Thu, 13 Aug 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=0001953926&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/zbio/filings/</link><guid isPermaLink="false">us:ZBIO:filing:2026-08-13:528218cefe</guid><pubDate>Thu, 13 Aug 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1953926/000110465926095448/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc. filed 8-K: results of operations, officer or director change</title><link>https://greeksoup.ai/stocks/us/zbio/filings/</link><guid isPermaLink="false">us:ZBIO:filing:2026-08-13:c1413669be</guid><pubDate>Thu, 13 Aug 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1953926/000110465926095437/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/zbio/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Zenas BioPharma, Inc.: short interest 11,753,566 shares at the 31 July 2026 settlement, 13.83 days to cover</title><link>https://greeksoup.ai/stocks/us/zbio/short-interest/</link><guid isPermaLink="false">us:ZBIO:short-interest:2026-07-31:19364e3bc3</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/zbio/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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