{"id":948969,"date":"2026-04-03T18:05:33","date_gmt":"2026-04-03T22:05:33","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/"},"modified":"2026-04-03T18:05:33","modified_gmt":"2026-04-03T22:05:33","slug":"ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/","title":{"rendered":"Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE"},"content":{"rendered":"<p>        <!--.bwuline { text-decoration: underline }\n.bwalignl { text-align: left }body {font:normal small Arial,Helvetica,sans-serif;color:#000;background-color:#fff;padding:24px;margin:0;} a img {border:0;} h3 {font-size:medium;color:#000;margin:0 0 1em 0; text-align:center;}-->  <\/p>\n<p style=\"text-align:justify\">Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE<\/p>\n<p style=\"text-align:justify\">NEW YORK &amp; NEW ORLEANS&#8211;(<a href=\"http:\/\/www.businesswire.com\">BUSINESS WIRE<\/a>)&#8211;<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fksfcounsel.com%2F&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=Kahn%20Swick%20%26%20Foti%2C%20LLC&amp;index=801&amp;md5=a83d073fa0c6cb6b64e49934b4df1a39\">Kahn Swick &amp; Foti, LLC<\/a> (\u201cKSF\u201d) and KSF partner, the former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors that they have until <b><span class=\"bwuline\">April 6, 2026<\/span><\/b>\u00a0to file lead plaintiff applications in a securities class action lawsuit against\u00a0<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.ksfcounsel.com%2Fcases%2Fnasdaqgs-rare%2F&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=Ultragenyx%20Pharmaceutical&amp;index=802&amp;md5=fcb33b6a508c5d71e440d4faa112c506\">Ultragenyx Pharmaceutical<\/a> Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE), if they\u00a0purchased or otherwise acquired the Company\u2019s securities between August 3, 2023 and December 26, 2025, inclusive (the \u201cClass Period\u201d). This action is pending in the United States District Court for the\u00a0Northern District of California.<\/p>\n<p style=\"text-align:justify\"><b>What You May Do<\/b><\/p>\n<p style=\"text-align:justify\">If you purchased securities of Ultragenyx and would like to discuss your legal rights and how this case might affect you and your right to recover for your economic loss, you may, without obligation or cost to you, contact KSF Managing Partner Lewis Kahn toll-free at 1-877-515-1850 or via email (<a rel=\"nofollow\" href=\"mailto:lewis.kahn@ksfcounsel.com\"><span class=\"bwuline\">lewis.kahn@ksfcounsel.com<\/span><\/a>), or visit <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.ksfcounsel.com%2Fcases%2Fnasdaqgs-rare%2F&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=https%3A%2F%2Fwww.ksfcounsel.com%2Fcases%2Fnasdaqgs-rare%2F&amp;index=803&amp;md5=7106bcdbe620913c5faa82774ae4f8c1\">https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/<\/a> to learn more. If you wish to serve as a lead plaintiff in this class action by overseeing lead counsel with the goal of obtaining a fair and just resolution, you must request this position by application to the Court by <b><span class=\"bwuline\">April 6, 2026<\/span><\/b>.<\/p>\n<p style=\"text-align:justify\"><b>About the Lawsuit<\/b><\/p>\n<p style=\"text-align:justify\">Ultragenyx and certain of its executives are charged with failing to disclose material information during the Class Period, violating federal securities laws.<\/p>\n<p style=\"text-align:justify\">On December 26, 2025, the Company announced the \u201cresults from the Phase 3 Orbit and Cosmic studies for setrusumab (UX143) in Osteogenesis Imperfecta\u201d disclosing that both its Phase III Orbit and Cosmic studies failed to demonstrate that setrusumab triggered a statistically significant reduction in annualized fracture rates for patients with osteogenesis imperfecta, and, as a result the Company \u201cis evaluating its planned operations and will promptly define and implement significant expense reductions.\u201d On this news, the price of Ultragenyx\u2019s shares fell approximately 42%, from $34.19 per share on December 26, 2025 to $19.72 per share on December 29, 2025.<\/p>\n<p style=\"text-align:justify\">The case is <i>Steven Bailey v. Ultragenyx Pharmaceutical Inc., et al<\/i>., No. 26-cv-01097.<\/p>\n<p style=\"text-align:justify\">About <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DERl52xsyj0s&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=Kahn%20Swick%20%26%20Foti&amp;index=804&amp;md5=a4aaeb8b24b545391f28ca14407f5a6e\">Kahn Swick &amp; Foti<\/a>, LLC<\/p>\n<p style=\"text-align:justify\">KSF, whose partners include former Louisiana Attorney General Charles C. Foti, Jr., is one of the nation&#8217;s premier boutique securities litigation law firms. This past year, KSF was ranked by SCAS among the top 10 firms nationally based upon total settlement value. KSF serves a variety of clients, including public and private institutional investors, and retail investors &#8211; in seeking recoveries for investment losses emanating from corporate fraud or malfeasance by publicly traded companies. KSF has offices in New York, Delaware, California, Louisiana, Chicago, and a representative office in Luxembourg.<\/p>\n<p style=\"text-align:justify\">TOP 10 Plaintiff Law Firms &#8211; According to ISS Securities Class Action Services<\/p>\n<p style=\"text-align:justify\">To learn more about KSF, you may visit <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.ksfcounsel.com&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=www.ksfcounsel.com&amp;index=805&amp;md5=b6183dee397ba4f0252e72479ccef550\">www.ksfcounsel.com<\/a>.<\/p>\n<p>CONNECT WITH US:\u00a0<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.facebook.com%2Fprofile.php%3Fid%3D61575733915628&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=Facebook&amp;index=806&amp;md5=fbbdd7d0aa19881298df993ee8a071ed\">Facebook<\/a> ||\u00a0<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.instagram.com%2Fkahn_swick_and_foti%2F&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=Instagram&amp;index=807&amp;md5=5fd37f9f10faf6714ac611513fcbd89c\">Instagram<\/a> ||\u00a0<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.youtube.com%2F%40kahnswickandfoti&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=YouTube&amp;index=808&amp;md5=7ab74e1214d2ff7d173355acc450763b\">YouTube<\/a> ||\u00a0<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.tiktok.com%2F%40kahn.swick.foti&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=TikTok&amp;index=809&amp;md5=cd670c3812301317e37f33242672d316\">TikTok<\/a> ||\u00a0<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fksfcounsel&amp;esheet=54479006&amp;newsitemid=20260403698653&amp;lan=en-US&amp;anchor=LinkedIn&amp;index=810&amp;md5=b2b088b4854d8b9b35d5a8ef35078f1f\">LinkedIn<\/a><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260403698653r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" style=\"width:0;height:0\" \/><span class=\"bwct31415\" \/><\/p>\n<p id=\"mmgallerylink\"><span id=\"mmgallerylink-phrase\">View source version on businesswire.com: <\/span><span id=\"mmgallerylink-link\"><a href=\"https:\/\/www.businesswire.com\/news\/home\/20260403698653\/en\/\" rel=\"nofollow\">https:\/\/www.businesswire.com\/news\/home\/20260403698653\/en\/<\/a><\/span><\/p>\n<p class=\"bwalignl\">Kahn Swick &amp; Foti, LLC<br \/>Lewis Kahn, Managing Partner<br \/><a rel=\"nofollow\" href=\"mailto:lewis.kahn@ksfcounsel.com\"><span class=\"bwuline\">lewis.kahn@ksfcounsel.com<\/span><\/a><br \/>1-877-515-1850<br \/>1100 Poydras St., Suite 960<br \/>New Orleans, LA 70163<\/p>\n<p><b>KEYWORDS:<\/b> Louisiana United States North America<\/p>\n<p><b>INDUSTRY KEYWORDS:<\/b> Class Action Lawsuit Professional Services Legal<\/p>\n<p><b>MEDIA:<\/b><\/p>\n<table cellpadding=\"3\" cellspacing=\"3\">\n<tr>\n<td><font face=\"Arial\" size=\"2\"><b>Logo<\/b><\/font><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/mms.businesswire.com\/media\/20260403698653\/en\/2664611\/3\/2025-PR-SEC.jpg\" alt=\"Logo\" \/><\/td>\n<\/tr>\n<tr>\n<td><font face=\"Arial\" size=\"2\"><\/font><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE NEW YORK &amp; NEW ORLEANS&#8211;(BUSINESS WIRE)&#8211;Kahn Swick &amp; Foti, LLC (\u201cKSF\u201d) and KSF partner, the former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors that they have until April 6, 2026\u00a0to file lead plaintiff applications in a securities class action lawsuit against\u00a0Ultragenyx Pharmaceutical Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE), if they\u00a0purchased or otherwise acquired the Company\u2019s securities between August 3, 2023 and December 26, 2025, inclusive (the \u201cClass Period\u201d). This action is pending in the United States District Court for the\u00a0Northern District of California. What You May &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-948969","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. - RARE - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. - RARE - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE NEW YORK &amp; NEW ORLEANS&#8211;(BUSINESS WIRE)&#8211;Kahn Swick &amp; Foti, LLC (\u201cKSF\u201d) and KSF partner, the former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors that they have until April 6, 2026\u00a0to file lead plaintiff applications in a securities class action lawsuit against\u00a0Ultragenyx Pharmaceutical Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE), if they\u00a0purchased or otherwise acquired the Company\u2019s securities between August 3, 2023 and December 26, 2025, inclusive (the \u201cClass Period\u201d). This action is pending in the United States District Court for the\u00a0Northern District of California. What You May &hellip; Continue reading &quot;Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-03T22:05:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260403698653r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; 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RARE NEW YORK &amp; NEW ORLEANS&#8211;(BUSINESS WIRE)&#8211;Kahn Swick &amp; Foti, LLC (\u201cKSF\u201d) and KSF partner, the former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors that they have until April 6, 2026\u00a0to file lead plaintiff applications in a securities class action lawsuit against\u00a0Ultragenyx Pharmaceutical Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE), if they\u00a0purchased or otherwise acquired the Company\u2019s securities between August 3, 2023 and December 26, 2025, inclusive (the \u201cClass Period\u201d). This action is pending in the United States District Court for the\u00a0Northern District of California. What You May &hellip; Continue reading \"Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; Foti, LLC Reminds Investors With Losses In Excess Of $100,000 of Deadline in Class Action Lawsuit Against Ultragenyx Pharmaceutical Inc. &#8211; RARE\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/","og_site_name":"Market Newsdesk","article_published_time":"2026-04-03T22:05:33+00:00","og_image":[{"url":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260403698653r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-72-hour-deadline-alert-kahn-swick-foti-llc-reminds-investors-with-losses-in-excess-of-100000-of-deadline-in-class-action-lawsuit-against-ultragenyx-pharmaceutical-inc-rare\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Ultragenyx 72 Hour Deadline Alert: Kahn Swick &amp; 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