{"id":963657,"date":"2026-05-15T15:03:14","date_gmt":"2026-05-15T19:03:14","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit\/"},"modified":"2026-05-15T15:03:14","modified_gmt":"2026-05-15T19:03:14","slug":"atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit\/","title":{"rendered":"Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit"},"content":{"rendered":"<div class=\"xn-newslines\">\n<p class=\"xn-distributor\">PR Newswire<\/p>\n<\/p><\/div>\n<div class=\"xn-content\">\n<p>\n        <span class=\"legendSpanClass\">BENSALEM, Pa.<\/span>, <span class=\"legendSpanClass\">May 15, 2026<\/span> \/PRNewswire\/ &#8212; <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4690060-1&amp;h=1989720284&amp;u=http%3A%2F%2Fwww.howardsmithlaw.com%2F&amp;a=The+Law+Offices+of+Howard+G.+Smith\" target=\"_blank\" rel=\"nofollow\">The Law Offices of Howard G. Smith<\/a> announces that investors with substantial losses have opportunity to lead the securities <span>fraud<\/span> class action lawsuit against Atara Biotherapeutics, Inc. (&#8220;Atara&#8221; or the &#8220;Company&#8221;) (NASDAQ: <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4690060-1&amp;h=2308515194&amp;u=https%3A%2F%2Ffinance.yahoo.com%2Fquote%2Fatra&amp;a=ATRA\" target=\"_blank\" rel=\"nofollow\">ATRA<\/a>).<\/p>\n<p class=\"prntac\">\n        <b>IF YOU ARE AN INVESTOR WHO SUFFERED A LOSS IN ATARA BIOTHERAPEUTICS, INC. (ATRA), CONTACT THE LAW OFFICES OF HOWARD G. SMITH<\/b>\u00a0<b>BEFORE MAY 22, 2026 (LEAD PLAINTIFF DEADLINE) TO PARTICIPATE IN THE ONGOING SECURITIES <span>FRAUD<\/span> LAWSUIT.<\/b><\/p>\n<p>Contact the Law Offices of Howard G. Smith to discuss your legal rights by email at\u00a0<a href=\"mailto:howardsmith@howardsmithlaw.com\" target=\"_blank\" rel=\"nofollow\">howardsmith@howardsmithlaw.com<\/a>, by telephone at (215) 638-4847 or visit our website at <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4690060-1&amp;h=103955449&amp;u=http%3A%2F%2Fwww.howardsmithlaw.com%2F&amp;a=www.howardsmithlaw.com\" target=\"_blank\" rel=\"nofollow\">www.howardsmithlaw.com<\/a>.<\/p>\n<p>\n        <b>What Is The Lawsuit About? <\/b><br \/>\n        <br \/>The complaint filed <span>alleges<\/span> that, between May 20, 2024 and January 9, 2026, Defendants failed to disclose to investors that: (1) certain manufacturing issues, as well as deficiencies inherent in the ALLELE study, made it unlikely that the FDA would approve the tabelecleucel BLA; (2) accordingly, tabelecleucel&#8217;s regulatory prospects were overstated; (3) the aforementioned manufacturing issues also subjected Atara to a heightened risk of regulatory scrutiny, as well as jeopardized its ongoing clinical trials; (4) all the foregoing was likely to have a significant negative impact on Atara&#8217;s business and financial condition; and (5) as a result, Defendants&#8217; positive statements about the Company&#8217;s business, operations, and prospects were materially misleading and\/or lacked a reasonable basis at all relevant times.<\/p>\n<p>\n        <b>Contact Us To Participate or Learn More:<br \/><\/b>If you wish to\u00a0learn more\u00a0about this class action, or if you have any questions concerning this announcement or your rights or interests with respect to the pending class action lawsuit, please contact: <br \/>Howard G. Smith, Esq., <br \/>Law Offices of Howard G. Smith, <br \/>3070 Bristol Pike, Suite 112, <br \/>Bensalem, Pennsylvania 19020, <br \/>Call us at: (215) 638-4847<br \/>Email us at: <a href=\"mailto:howardsmith@howardsmithlaw.com\" target=\"_blank\" rel=\"nofollow\">howardsmith@howardsmithlaw.com<\/a>, <br \/>Visit our website at: <a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4690060-1&amp;h=103955449&amp;u=http%3A%2F%2Fwww.howardsmithlaw.com%2F&amp;a=www.howardsmithlaw.com\" target=\"_blank\" rel=\"nofollow\">www.howardsmithlaw.com<\/a>.<\/p>\n<p>To be a member of the class action you need not take any action at this time; you may retain counsel of your choice or take no action and remain an absent member of the class action.<\/p>\n<p>This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules.<\/p>\n<p>\n        <b>Contact Us:<br \/><\/b><br \/>\n        <span>Law Offices of Howard G. Smith<br \/><\/span>Howard G. Smith, Esquire<br \/>215-638-4847<br \/><a href=\"mailto:howardsmith@howardsmithlaw.com\" target=\"_blank\" rel=\"nofollow\">howardsmith@howardsmithlaw.com<\/a><br \/><a href=\"https:\/\/edge.prnewswire.com\/c\/link\/?t=0&amp;l=en&amp;o=4690060-1&amp;h=103955449&amp;u=http%3A%2F%2Fwww.howardsmithlaw.com%2F&amp;a=www.howardsmithlaw.com\" target=\"_blank\" rel=\"nofollow\">www.howardsmithlaw.com<\/a><\/p>\n<p id=\"PURL\">\n        <img loading=\"lazy\" decoding=\"async\" title=\"Cision\" width=\"12\" height=\"12\" alt=\"Cision\" src=\"https:\/\/edge.prnewswire.com\/c\/img\/favicon.png?sn=PH61049&amp;sd=2026-05-15\" \/> View original content:<a id=\"PRNURL\" rel=\"nofollow\" href=\"https:\/\/www.prnewswire.com\/news-releases\/atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit-302773762.html\" target=\"_blank\">https:\/\/www.prnewswire.com\/news-releases\/atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit-302773762.html<\/a><\/p>\n<p>SOURCE Law Offices of Howard G. Smith<\/p>\n<\/p><\/div>\n<p>    <img decoding=\"async\" alt=\"\" src=\"https:\/\/rt.prnewswire.com\/rt.gif?NewsItemId=PH61049&amp;Transmission_Id=202605151500PR_NEWS_USPR_____PH61049&amp;DateId=20260515\" style=\"border:0px;width:1px;height:1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PR Newswire BENSALEM, Pa., May 15, 2026 \/PRNewswire\/ &#8212; The Law Offices of Howard G. Smith announces that investors with substantial losses have opportunity to lead the securities fraud class action lawsuit against Atara Biotherapeutics, Inc. (&#8220;Atara&#8221; or the &#8220;Company&#8221;) (NASDAQ: ATRA). IF YOU ARE AN INVESTOR WHO SUFFERED A LOSS IN ATARA BIOTHERAPEUTICS, INC. (ATRA), CONTACT THE LAW OFFICES OF HOWARD G. SMITH\u00a0BEFORE MAY 22, 2026 (LEAD PLAINTIFF DEADLINE) TO PARTICIPATE IN THE ONGOING SECURITIES FRAUD LAWSUIT. Contact the Law Offices of Howard G. Smith to discuss your legal rights by email at\u00a0howardsmith@howardsmithlaw.com, by telephone at (215) 638-4847 or visit our website at www.howardsmithlaw.com. What Is The Lawsuit About? The complaint filed alleges that, between May 20, 2024 and &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit&#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-963657","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit - 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\/atara-biotherapeutics-inc-atra-shareholders-who-lost-money-have-opportunity-to-lead-securities-fraud-lawsuit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"PR Newswire BENSALEM, Pa., May 15, 2026 \/PRNewswire\/ &#8212; The Law Offices of Howard G. Smith announces that investors with substantial losses have opportunity to lead the securities fraud class action lawsuit against Atara Biotherapeutics, Inc. (&#8220;Atara&#8221; or the &#8220;Company&#8221;) (NASDAQ: ATRA). IF YOU ARE AN INVESTOR WHO SUFFERED A LOSS IN ATARA BIOTHERAPEUTICS, INC. (ATRA), CONTACT THE LAW OFFICES OF HOWARD G. SMITH\u00a0BEFORE MAY 22, 2026 (LEAD PLAINTIFF DEADLINE) TO PARTICIPATE IN THE ONGOING SECURITIES FRAUD LAWSUIT. Contact the Law Offices of Howard G. Smith to discuss your legal rights by email at\u00a0howardsmith@howardsmithlaw.com, by telephone at (215) 638-4847 or visit our website at www.howardsmithlaw.com. What Is The Lawsuit About? The complaint filed alleges that, between May 20, 2024 and &hellip; Continue reading &quot;Atara Biotherapeutics, Inc. 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