ImmunityBio Addresses FDA Regulatory Concerns
- Regulatory Compliance Measures: ImmunityBio has responded to concerns raised by the U.S. FDA by submitting a detailed reply outlining corrective actions regarding promotional content for its cancer therapy, aiming to strengthen compliance standards to prevent future issues.
- Positive Market Reaction: Following the announcement of these measures, ImmunityBio's stock rose over 3% in premarket trading on Monday, indicating investor recognition and confidence in the company's compliance efforts.
- Content Removal Actions: In response, ImmunityBio has removed the referenced podcast from its website and requested its deletion from external platforms, demonstrating the company's commitment to adhering to FDA requirements.
- FDA Communication Context: This action follows a March 13 communication from the FDA regarding ImmunityBio's marketing materials, including a podcast and television advertisement, reflecting the company's transparency and accountability in its marketing practices.
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COVID-19 and Cancer Link: Upcoming data will highlight a connection between COVID-related immune cell loss and the spread of breast cancer, to be presented at a cancer summit next week.
Funding and Market Expansion: Immunity Bio has secured $100 million in financing to support its European rollout plans under an "immunotherapy 2.0" strategy, expanding its reach across 33 countries.
Stock Performance: Shares of Immunity Bio (IBRX) rose by 6% in premarket trading following positive announcements regarding upcoming cancer data and the company's European campaign launch.
Clinical Observations: Clinicians are reporting increased incidences of metastatic disease and cancer recurrence in patients post-COVID infection, validating concerns about immune imbalances exacerbated by the virus.
- Lawsuit Background: ImmunityBio is facing a securities class action lawsuit due to misleading claims made by its Chief Scientific Officer regarding Anktiva's efficacy, involving investors who purchased shares between January 19 and March 24, 2026, highlighting serious concerns about the company's promotional practices.
- FDA Warning Letter: The FDA issued a warning letter to ImmunityBio, stating that its advertising and podcast content were misleading, resulting in a more than 21% drop in share price on March 24, 2026, erasing nearly $2 billion in market capitalization and severely impacting investor confidence.
- Investor Losses: Hagens Berman is investigating whether ImmunityBio intentionally misled investors, urging those who suffered significant losses to come forward, indicating potential legal risks that could affect the company's future financing and market reputation.
- Public Health Implications: The FDA emphasized that ImmunityBio's promotional materials grossly misrepresent the benefits of Anktiva, potentially misleading patients about treatment expectations, which raises compliance issues and could lead to stricter regulatory scrutiny.
- Class Action Initiation: Robbins Geller Rudman & Dowd LLP announces that investors who purchased ImmunityBio (NASDAQ:IBRX) securities between January 19 and March 24, 2026, can seek lead plaintiff status by May 26, 2026, highlighting investor concerns over potential fraudulent activities by the company.
- False Statement Allegations: The lawsuit alleges that ImmunityBio and its Executive Chairman made false and misleading statements during the class period, claiming that their lead biologic product Anktiva could make all NMIBC patients cancer-free long-term, a claim that has not been substantiated, potentially leading to significant investor losses.
- FDA Warning Impact: On March 24, 2026, a warning letter from the FDA to CEO Richard Adcock indicated that promotional materials for Anktiva were misleading and violated the Federal Food, Drug, and Cosmetic Act, resulting in a 21% drop in ImmunityBio's stock price, reflecting market concerns about the company's compliance.
- Law Firm Background: Robbins Geller is one of the world's leading law firms in securities fraud and shareholder rights litigation, having recovered over $916 million for investors in 2025, demonstrating its strong capabilities and influence in the securities class action landscape.
- Class Action Notice: Investors in ImmunityBio, Inc. are reminded that those who purchased the company's securities between January 19, 2026, and March 24, 2026, must file lead plaintiff applications by May 26, 2026, to participate in the securities class action lawsuit against the company.
- FDA Warning Impact: On March 24, 2026, a warning letter from the FDA to CEO Richard Adcock highlighted misleading advertising claims regarding Anktiva, which violated the Federal Food, Drug, and Cosmetic Act, directly affecting investor confidence and raising concerns about the company's compliance.
- Significant Stock Drop: Following the FDA warning, ImmunityBio's stock price plummeted by 21%, losing $1.98 per share to close at $7.42, reflecting market apprehension regarding the company's regulatory compliance and future outlook.
- Legal Consequences: The lawsuit alleges that ImmunityBio and certain executives failed to disclose material information during the class period, violating federal securities laws, which could expose the company to substantial legal and financial risks.
- Lawsuit Background: ImmunityBio, Inc. (IBRX) is facing a class action lawsuit for securities fraud, alleging significant misstatements and omissions regarding its lead biologic product, Anktiva, during the period from January 19 to March 24, 2026, which may have resulted in investor losses.
- Stock Price Plunge: Following an FDA warning on March 24, 2026, regarding false claims about Anktiva, ImmunityBio's stock price fell by $1.98, or 21.12%, closing at $7.42 per share, indicating severe market concerns about the company's future prospects.
- Investor Action: Affected investors are encouraged to apply for lead plaintiff status by May 26, 2026, to represent other investors in the lawsuit, with Kessler Topaz Meltzer & Check, LLP offering free consultations and emphasizing no cost obligations.
- Law Firm Background: Kessler Topaz Meltzer & Check, LLP is a leading law firm specializing in securities fraud class actions, having recovered over $25 billion for clients and represented major institutional investors, showcasing its significant influence and expertise in securities litigation.
- Class Action Notice: Rosen Law Firm reminds investors who purchased ImmunityBio securities between January 19 and March 24, 2026, to apply as lead plaintiffs by May 26, 2026, to participate in the class action and seek compensation.
- Fee Arrangement: Investors joining the class action will incur no upfront costs, as the law firm operates on a contingency fee basis, allowing investors to pursue claims without additional financial burden.
- Case Background: The lawsuit alleges that ImmunityBio made false or misleading statements during the class period, resulting in investor losses when the truth emerged, highlighting significant implications for the company's operations and prospects.
- Law Firm Credentials: Rosen Law Firm is renowned for its success in securities class actions, having recovered over $438 million for investors in 2019 alone, demonstrating its expertise and resource advantages in handling such cases.










