{"id":876314,"date":"2025-08-15T12:09:15","date_gmt":"2025-08-15T16:09:15","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\/"},"modified":"2025-08-15T12:09:15","modified_gmt":"2025-08-15T16:09:15","slug":"berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\/","title":{"rendered":"Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. (NASDAQ: ALT)"},"content":{"rendered":"<div class=\"xn-newslines\">\n<p class=\"xn-distributor\">PR Newswire<\/p>\n<\/p><\/div>\n<div class=\"xn-content\">\n<p id=\"temp_ReleaseStart\">\n        <span class=\"legendSpanClass\"><br \/>\n          <span class=\"xn-location\">PHILADELPHIA<\/span><br \/>\n        <\/span>, <span class=\"legendSpanClass\"><span class=\"xn-chron\">Aug. 15, 2025<\/span><\/span> \/PRNewswire\/ &#8212; <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=4489127-1&amp;h=1985419226&amp;u=https%3A%2F%2Fbergermontague.com%2F&amp;a=Berger+Montague+PC\" target=\"_blank\" rel=\"nofollow\"><span class=\"xn-person\">Berger Montague PC<\/span><\/a><\/u>\u00a0is investigating potential securities <span>fraud<\/span> claims on behalf of investors of\u00a0<b>Altimmune, Inc. (NASDAQ: ALT) <\/b>(&#8220;Altimmune&#8221; or the &#8220;Company&#8221;) following the filing of a securities class action lawsuit filed on behalf of investors who purchased or otherwise acquired Altimmune securities between\u00a0<b><span class=\"xn-chron\">August 10, 2023<\/span> through <span class=\"xn-chron\">June 25, 2025<\/span><\/b>(the &#8220;Class Period&#8221;).<\/p>\n<div class=\"PRN_ImbeddedAssetReference\" id=\"DivAssetPlaceHolder1\">\n<p>\n          <a href=\"https:\/\/mma.prnewswire.com\/media\/232479\/berger_montague.html\" target=\"_blank\" rel=\"nofollow\"><br \/>\n            <img decoding=\"async\" src=\"https:\/\/mma.prnewswire.com\/media\/232479\/berger_montague.jpg\" title=\"A national class action and commercial litigation law firm with nationally known attorneys highly sought after for their legal skills. (PRNewsFoto\/Berger Montague)\" alt=\"A national class action and commercial litigation law firm with nationally known attorneys highly sought after for their legal skills. (PRNewsFoto\/Berger Montague)\" \/><br \/>\n          <\/a>\n        <\/p>\n<\/p><\/div>\n<p class=\"prntaj\">\n        <b><br \/>\n          <i>Investor Deadline:<\/i><br \/>\n        <\/b><br \/>\n        <i>\u00a0Investors who purchased or acquired Altimmune securities during the Class Period may, no later than <b><span class=\"xn-chron\">October 6, 2025<\/span><\/b>, seek to be appointed as a lead plaintiff representative of the class. To learn your rights,<\/i>\u00a0<b><u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=4489127-1&amp;h=3569364923&amp;u=https%3A%2F%2Finvestigations.bergermontague.com%2Faltimmune%2F&amp;a=CLICK+HERE\" target=\"_blank\" rel=\"nofollow\">CLICK HERE<\/a><\/u><\/b><b>.<\/b><\/p>\n<p class=\"prntaj\">Altimmune, headquartered in <span class=\"xn-location\">Gaithersburg, Maryland<\/span>, is a\u00a0clinical-stage biopharmaceutical company.<\/p>\n<p class=\"prntaj\">The lawsuit <span>alleges<\/span> that on <span class=\"xn-chron\">June 26, 2025<\/span>, Altimmune announced that\u00a0its IMPACT study had failed to achieve statistical significance in the trial&#8217;s primary endpoint of fibrosis reduction, citing a\u00a0higher-than-expected placebo response. Despite management&#8217;s prior optimistic statements, the Company downplayed the poor results, attributing the outcome to the Phase 2 nature of the trial and suggesting improvements in a future Phase 3 study.<\/p>\n<p class=\"prntaj\">Following this disclosure, Altimmune&#8217;s stock\u00a0plunged <b><i>53%<\/i><\/b>, from\u00a0a close of <span class=\"xn-money\">$7.71<\/span> per share on <span class=\"xn-chron\">June 25, 2025<\/span>, to a close of <span class=\"xn-money\">$3.61<\/span> on <span class=\"xn-chron\">June 26, 2025<\/span>, causing heavy losses for investors.<\/p>\n<p class=\"prntaj\">\n        <b><br \/>\n          <i>If you are an Altimmune investor and would like to learn more about this action, <\/i><br \/>\n        <\/b><br \/>\n        <b><br \/>\n          <i><br \/>\n            <u><br \/>\n              <a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=4489127-1&amp;h=3569364923&amp;u=https%3A%2F%2Finvestigations.bergermontague.com%2Faltimmune%2F&amp;a=CLICK+HERE\" target=\"_blank\" rel=\"nofollow\">CLICK HERE<\/a><br \/>\n            <\/u><br \/>\n          <\/i><br \/>\n        <\/b>\u00a0<b><i>or please contact <span class=\"xn-person\">Berger Montague<\/span>: <span class=\"xn-person\">Andrew Abramowitz<\/span> at <\/i><\/b><b><i><u><a href=\"mailto:aabramowitz@bergermontague.com\" target=\"_blank\" rel=\"nofollow\">aabramowitz@bergermontague.com<\/a><\/u><\/i><\/b><b><i> or (215) 875-3015, or <span class=\"xn-person\">Caitlin Adorni<\/span> at <\/i><\/b><b><i><u><a href=\"mailto:cadorni@bergermontague.com\" target=\"_blank\" rel=\"nofollow\">cadorni@bergermontague.com<\/a><\/u><\/i><\/b><b><i> or (267)764-4865.<\/i><\/b><\/p>\n<p class=\"prntaj\">\n        <b>About <span class=\"xn-person\">Berger Montague<\/span><br \/><\/b><br \/>\n        <span class=\"xn-person\">Berger Montague<\/span>, with offices in <span class=\"xn-location\">Philadelphia<\/span>, <span class=\"xn-location\">Minneapolis<\/span>, <span class=\"xn-location\">Delaware<\/span>, <span class=\"xn-location\">Washington, D.C.<\/span>, <span class=\"xn-location\">San Diego<\/span>, <span class=\"xn-location\">San Francisco<\/span>, <span class=\"xn-location\">Chicago<\/span>, <span class=\"xn-location\">Malvern, PA<\/span>, and <span class=\"xn-location\">Toronto<\/span> has been a pioneer in <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=4489127-1&amp;h=1077497645&amp;u=https%3A%2F%2Fbergermontague.com%2Fsecurities%2F&amp;a=securities+class+action+litigation\" target=\"_blank\" rel=\"nofollow\">securities class action litigation<\/a><\/u>\u00a0since its founding in 1970. <span class=\"xn-person\">Berger Montague<\/span> has represented individual and institutional investors for over five decades and serves as lead counsel in courts throughout <span class=\"xn-location\">the United States<\/span>.<\/p>\n<p class=\"prntaj\">\n        <b>For more information or to discuss your rights, please contact:<br \/><\/b><br \/>\n        <span class=\"xn-person\">Andrew Abramowitz<\/span>, Senior Counsel<br \/><span class=\"xn-person\">Berger Montague<\/span><br \/>(215) 875-3015<br \/><a href=\"mailto:aabramowitz@bergermontague.com\" target=\"_blank\" rel=\"nofollow\">aabramowitz@bergermontague.com<\/a><\/p>\n<p class=\"prntaj\">\n        <span class=\"xn-person\">Caitlin Adorni<\/span><br \/>\n        <br \/>\n        <span class=\"xn-person\">Berger Montague<\/span><br \/>\n        <br \/>(267) 764-4865<br \/><a href=\"mailto:cadorni@bergermontague.com\" target=\"_blank\" rel=\"nofollow\">cadorni@bergermontague.com<\/a><\/p>\n<p id=\"PURL\">\n        <img loading=\"lazy\" decoding=\"async\" title=\"Cision\" width=\"12\" height=\"12\" alt=\"Cision\" src=\"https:\/\/c212.net\/c\/img\/favicon.png?sn=DC52187&amp;sd=2025-08-15\" \/> View original content to download multimedia:<a id=\"PRNURL\" rel=\"nofollow\" href=\"https:\/\/www.prnewswire.com\/news-releases\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt-302530712.html\" target=\"_blank\">https:\/\/www.prnewswire.com\/news-releases\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt-302530712.html<\/a><\/p>\n<p>SOURCE  <span class=\"xn-person\">Berger Montague<\/span><\/p>\n<\/p><\/div>\n<p>    <img decoding=\"async\" alt=\"\" src=\"https:\/\/rt.prnewswire.com\/rt.gif?NewsItemId=DC52187&amp;Transmission_Id=202508151206PR_NEWS_USPR_____DC52187&amp;DateId=20250815\" style=\"border:0px;width:1px;height:1px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PR Newswire PHILADELPHIA , Aug. 15, 2025 \/PRNewswire\/ &#8212; Berger Montague PC\u00a0is investigating potential securities fraud claims on behalf of investors of\u00a0Altimmune, Inc. (NASDAQ: ALT) (&#8220;Altimmune&#8221; or the &#8220;Company&#8221;) following the filing of a securities class action lawsuit filed on behalf of investors who purchased or otherwise acquired Altimmune securities between\u00a0August 10, 2023 through June 25, 2025(the &#8220;Class Period&#8221;). Investor Deadline: \u00a0Investors who purchased or acquired Altimmune securities during the Class Period may, no later than October 6, 2025, seek to be appointed as a lead plaintiff representative of the class. To learn your rights,\u00a0CLICK HERE. Altimmune, headquartered in Gaithersburg, Maryland, is a\u00a0clinical-stage biopharmaceutical company. The lawsuit alleges that on June 26, 2025, Altimmune announced that\u00a0its IMPACT study had failed &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. (NASDAQ: ALT)&#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-876314","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>Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. (NASDAQ: ALT) - 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\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. (NASDAQ: ALT) - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"PR Newswire PHILADELPHIA , Aug. 15, 2025 \/PRNewswire\/ &#8212; Berger Montague PC\u00a0is investigating potential securities fraud claims on behalf of investors of\u00a0Altimmune, Inc. (NASDAQ: ALT) (&#8220;Altimmune&#8221; or the &#8220;Company&#8221;) following the filing of a securities class action lawsuit filed on behalf of investors who purchased or otherwise acquired Altimmune securities between\u00a0August 10, 2023 through June 25, 2025(the &#8220;Class Period&#8221;). Investor Deadline: \u00a0Investors who purchased or acquired Altimmune securities during the Class Period may, no later than October 6, 2025, seek to be appointed as a lead plaintiff representative of the class. To learn your rights,\u00a0CLICK HERE. Altimmune, headquartered in Gaithersburg, Maryland, is a\u00a0clinical-stage biopharmaceutical company. The lawsuit alleges that on June 26, 2025, Altimmune announced that\u00a0its IMPACT study had failed &hellip; Continue reading &quot;Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. (NASDAQ: ALT)&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-15T16:09:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mma.prnewswire.com\/media\/232479\/berger_montague.jpg\" \/>\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=\"2 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\\\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/berger-montague-pc-investigates-securities-claims-against-altimmune-inc-nasdaq-alt\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. 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(NASDAQ: ALT) (&#8220;Altimmune&#8221; or the &#8220;Company&#8221;) following the filing of a securities class action lawsuit filed on behalf of investors who purchased or otherwise acquired Altimmune securities between\u00a0August 10, 2023 through June 25, 2025(the &#8220;Class Period&#8221;). Investor Deadline: \u00a0Investors who purchased or acquired Altimmune securities during the Class Period may, no later than October 6, 2025, seek to be appointed as a lead plaintiff representative of the class. To learn your rights,\u00a0CLICK HERE. Altimmune, headquartered in Gaithersburg, Maryland, is a\u00a0clinical-stage biopharmaceutical company. The lawsuit alleges that on June 26, 2025, Altimmune announced that\u00a0its IMPACT study had failed &hellip; Continue reading \"Berger Montague PC Investigates Securities Claims Against Altimmune, Inc. 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