{"id":937643,"date":"2026-02-17T18:06:10","date_gmt":"2026-02-17T23:06:10","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/"},"modified":"2026-02-17T18:06:10","modified_gmt":"2026-02-17T23:06:10","slug":"ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/","title":{"rendered":"Ultragenyx Pharmaceutical Inc. Notice of April 6, 2026 Application Deadline for Class Action Lawsuit &#8211; Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline"},"content":{"rendered":"<div class=\"mw_release\">\n<p align=\"justify\">NEW YORK and NEW ORLEANS, Feb.  17, 2026  (GLOBE NEWSWIRE) &#8212; <a href=\"https:\/\/ksfcounsel.com\/\" rel=\"nofollow\" target=\"_blank\">Kahn Swick &amp; Foti<\/a>, LLC (\u201cKSF\u201d) and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., notifies investors in <a href=\"https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/\" rel=\"nofollow\" target=\"_blank\">Ultragenyx Pharmaceutical<\/a> Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE) of a class action securities lawsuit.<\/p>\n<p align=\"justify\">CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of investors of Ultragenyx who were adversely affected by alleged securities fraud between August 3, 2023 and December 26, 2025. Follow the link below to get more information and be contacted by a member of our team:<\/p>\n<p align=\"center\">\n        <a href=\"https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/\" rel=\"nofollow\" target=\"_blank\">https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/<\/a>\n      <\/p>\n<p align=\"justify\">Ultragenyx investors should contact KSF Managing Partner Lewis Kahn toll-free at 1-877-515-1850 or via email (lewis.kahn@ksfcounsel.com), or visit <a href=\"https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/\" rel=\"nofollow\" target=\"_blank\">https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/<\/a> to learn more.<\/p>\n<p align=\"justify\">CASE DETAILS:\u00a0\u00a0 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\u00a0\u00a0 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 align=\"justify\">The case is <em>Steven Bailey v. Ultragenyx Pharmaceutical Inc., et al<\/em>., No. 26-cv-01097.<\/p>\n<p align=\"justify\">WHAT TO DO? If you invested in Ultragenyx and suffered a loss during the relevant time frame, you have until April 6, 2026 to request that the Court appoint you as lead plaintiff; however, your ability to share in any recovery does not require that you serve as a lead plaintiff.<\/p>\n<p align=\"justify\">About <a href=\"https:\/\/www.youtube.com\/watch?v=ERl52xsyj0s\" rel=\"nofollow\" target=\"_blank\">Kahn Swick &amp; Foti<\/a>, LLC<\/p>\n<p 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 align=\"justify\">TOP 10 Plaintiff Law Firms &#8211; According to ISS Securities Class Action Services<\/p>\n<p align=\"justify\">To learn more about KSF, you may visit <a href=\"http:\/\/www.ksfcounsel.com\" rel=\"nofollow\" target=\"_blank\">www.ksfcounsel.com<\/a>.<\/p>\n<p>Contact:<\/p>\n<p \/>\n<p>Kahn Swick &amp; Foti, LLC<br \/>Lewis Kahn, Managing Partner<br \/><a href=\"mailto:lewis.kahn@ksfcounsel.com\" rel=\"nofollow\" target=\"_blank\"><u>lewis.kahn@ksfcounsel.com<\/u><\/a><br \/>1-877-515-1850<br \/>1100 Poydras St., Suite 960<br \/>New Orleans, LA 70163<\/p>\n<p>CONNECT WITH US: <a href=\"https:\/\/www.facebook.com\/profile.php?id=61575733915628\" rel=\"nofollow\" target=\"_blank\">Facebook<\/a> || <a href=\"https:\/\/www.instagram.com\/kahn_swick_and_foti\/\" rel=\"nofollow\" target=\"_blank\">Instagram<\/a> || <a href=\"https:\/\/www.youtube.com\/@kahnswickandfoti\" rel=\"nofollow\" target=\"_blank\">YouTube<\/a> || <a href=\"https:\/\/www.tiktok.com\/@kahn.swick.foti\" rel=\"nofollow\" target=\"_blank\">TikTok<\/a> || <a href=\"https:\/\/www.linkedin.com\/company\/ksfcounsel\" rel=\"nofollow\" target=\"_blank\">LinkedIn<\/a><\/p>\n<p>      <img decoding=\"async\" alt=\"\" class=\"__GNW8366DE3E__IMG\" src=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTY1NjM3MyM3NDMwODg1IzIwMTc2NzE=\" \/><br \/>\n      <br \/>\n      <img decoding=\"async\" alt=\"\" src=\"https:\/\/ml.globenewswire.com\/media\/N2U1Mjk2YWQtYmY3My00YTA4LThjNzQtOTFhNjU4Yjg0N2Y0LTEwMjkyNDEtMjAyNi0wMi0xNy1lbg==\/tiny\/Kahn-Swick-Foti-LLC.png\" \/>\n    <\/div>\n<div class=\"mw_contactinfo\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>NEW YORK and NEW ORLEANS, Feb. 17, 2026 (GLOBE NEWSWIRE) &#8212; Kahn Swick &amp; Foti, LLC (\u201cKSF\u201d) and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., notifies investors in Ultragenyx Pharmaceutical Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of investors of Ultragenyx who were adversely affected by alleged securities fraud between August 3, 2023 and December 26, 2025. Follow the link below to get more information and be contacted by a member of our team: https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/ Ultragenyx investors should contact KSF Managing Partner Lewis Kahn toll-free at 1-877-515-1850 or via email (lewis.kahn@ksfcounsel.com), or visit https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/ to learn more. CASE DETAILS:\u00a0\u00a0 On &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Ultragenyx Pharmaceutical Inc. Notice of April 6, 2026 Application Deadline for Class Action Lawsuit &#8211; Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline&#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-937643","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ultragenyx Pharmaceutical Inc. Notice of April 6, 2026 Application Deadline for Class Action Lawsuit - Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline - 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-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ultragenyx Pharmaceutical Inc. Notice of April 6, 2026 Application Deadline for Class Action Lawsuit - Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"NEW YORK and NEW ORLEANS, Feb. 17, 2026 (GLOBE NEWSWIRE) &#8212; Kahn Swick &amp; Foti, LLC (\u201cKSF\u201d) and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., notifies investors in Ultragenyx Pharmaceutical Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of investors of Ultragenyx who were adversely affected by alleged securities fraud between August 3, 2023 and December 26, 2025. Follow the link below to get more information and be contacted by a member of our team: https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/ Ultragenyx investors should contact KSF Managing Partner Lewis Kahn toll-free at 1-877-515-1850 or via email (lewis.kahn@ksfcounsel.com), or visit https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/ to learn more. CASE DETAILS:\u00a0\u00a0 On &hellip; Continue reading &quot;Ultragenyx Pharmaceutical Inc. 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Notice of April 6, 2026 Application Deadline for Class Action Lawsuit - Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline - Market Newsdesk","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/","og_locale":"en_US","og_type":"article","og_title":"Ultragenyx Pharmaceutical Inc. Notice of April 6, 2026 Application Deadline for Class Action Lawsuit - Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline - Market Newsdesk","og_description":"NEW YORK and NEW ORLEANS, Feb. 17, 2026 (GLOBE NEWSWIRE) &#8212; Kahn Swick &amp; Foti, LLC (\u201cKSF\u201d) and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., notifies investors in Ultragenyx Pharmaceutical Inc. (\u201cUltragenyx\u201d or the \u201cCompany\u201d) (NasdaqGS: RARE) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of investors of Ultragenyx who were adversely affected by alleged securities fraud between August 3, 2023 and December 26, 2025. Follow the link below to get more information and be contacted by a member of our team: https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/ Ultragenyx investors should contact KSF Managing Partner Lewis Kahn toll-free at 1-877-515-1850 or via email (lewis.kahn@ksfcounsel.com), or visit https:\/\/www.ksfcounsel.com\/cases\/nasdaqgs-rare\/ to learn more. CASE DETAILS:\u00a0\u00a0 On &hellip; Continue reading \"Ultragenyx Pharmaceutical Inc. Notice of April 6, 2026 Application Deadline for Class Action Lawsuit &#8211; Contact Lewis Kahn, Esq. at Kahn Swick &amp; Foti, LLC, Before Application Deadline\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/","og_site_name":"Market Newsdesk","article_published_time":"2026-02-17T23:06:10+00:00","og_image":[{"url":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTY1NjM3MyM3NDMwODg1IzIwMTc2NzE=","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ultragenyx-pharmaceutical-inc-notice-of-april-6-2026-application-deadline-for-class-action-lawsuit-contact-lewis-kahn-esq-at-kahn-swick-foti-llc-before-application-deadline-3\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Ultragenyx Pharmaceutical Inc. 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