ImmunityBio Faces Class Action Over Misleading Claims
- Class Action Initiated: Robbins LLP reminds shareholders that a class action has been filed on behalf of investors who purchased ImmunityBio, Inc. (NASDAQ: IBRX) securities between January 19, 2026, and March 25, 2026, highlighting concerns over potential misleading actions by the company.
- FDA Warning Letter Exposed: The complaint alleges that CEO Soon-Shiong materially overstated Anktiva's capabilities, with a warning letter from the FDA on March 24, 2026, indicating that promotional communications misled the public by claiming Anktiva could cure and prevent all cancers.
- Significant Stock Drop: Following the FDA warning letter, ImmunityBio's stock fell by 21% on March 24, 2026, losing $1.98 per share and closing at $7.42, reflecting market concerns about the company's future prospects.
- Shareholder Action Guidance: Shareholders wishing to serve as lead plaintiffs in the class action must submit their papers by May 26, 2026, indicating a growing emphasis on corporate governance and shareholder rights protection.
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- Trial Statistical Power Confirmed: The Independent Data Monitoring Committee (IDMC) confirmed that ImmunityBio's pivotal randomized trial for Anktiva is adequately powered with the current 366 participants, ensuring the study's effectiveness in detecting clinically meaningful differences in complete response rates.
- Clinical Trial Progress: The QUILT-2.005 trial evaluates Anktiva in combination with Bacillus Calmette-Guérin (BCG) for patients with non-muscle invasive bladder cancer, showing promising results from earlier phases with prolonged complete remission durations, enhancing confidence for subsequent research.
- FDA Regulatory Dynamics: The U.S. FDA reviewed direct-to-consumer advertising for Anktiva, deeming it misleading and unsupported in claims of curing or preventing cancer, highlighting the importance of compliance in promotional materials.
- Analyst Ratings and Targets: ImmunityBio's stock carries a Buy rating with an average price target of $12.57, while D. Boral Capital maintains a target of $23.00, reflecting market confidence in the company's future potential.
- Class Action Initiated: Robbins LLP reminds shareholders that a class action has been filed on behalf of investors who purchased ImmunityBio, Inc. (NASDAQ: IBRX) securities between January 19, 2026, and March 25, 2026, highlighting concerns over potential misleading actions by the company.
- FDA Warning Letter Exposed: The complaint alleges that CEO Soon-Shiong materially overstated Anktiva's capabilities, with a warning letter from the FDA on March 24, 2026, indicating that promotional communications misled the public by claiming Anktiva could cure and prevent all cancers.
- Significant Stock Drop: Following the FDA warning letter, ImmunityBio's stock fell by 21% on March 24, 2026, losing $1.98 per share and closing at $7.42, reflecting market concerns about the company's future prospects.
- Shareholder Action Guidance: Shareholders wishing to serve as lead plaintiffs in the class action must submit their papers by May 26, 2026, indicating a growing emphasis on corporate governance and shareholder rights protection.
- Price Range Analysis: The XBI ETF's 52-week low is $66.66 per share, with a high of $132.09, and a recent trading price of $119.75, indicating stability within its volatility range that may attract investor interest.
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- FDA Warning Letter: On March 24, 2026, ImmunityBio received a warning letter from the FDA indicating that Executive Chairman Patrick Soon-Shiong made false claims on a podcast about the company's lead biologic product, Anktiva, stating it could 'cure and even prevent all cancer,' leading the FDA to deem the advertising misleading.
- Stock Price Plunge: Following the FDA's warning, ImmunityBio's stock price fell by $1.98, or 21.12%, closing at $7.42 per share, which directly impacted investors and raised concerns about the company's compliance with federal regulations.
- Legal Consultation Opportunity: The Law Offices of Howard G. Smith announced an investigation into ImmunityBio, encouraging affected investors to reach out to explore potential claims for recovering losses, highlighting the importance of legal support for investor rights.
- Investor Rights Protection: This investigation aims to assist impacted investors in understanding their legal rights and may provide avenues for loss recovery, emphasizing the necessity for investors to seek legal assistance when companies face compliance issues.
- Class Action Initiation: ImmunityBio, Inc. (NASDAQ: IBRX) is facing a class action lawsuit due to alleged false statements regarding its lead product Anktiva, with a deadline of May 26, 2026, for investors to seek lead plaintiff status for losses incurred between January 19, 2026, and March 24, 2026.
- FDA Warning Letter Impact: A warning letter from the FDA dated March 13, 2026, highlighted misleading advertising practices regarding Anktiva, resulting in a 21% drop in stock price following the news, indicating significant market concerns over the company's compliance and credibility.
- False Advertising Allegations: The lawsuit claims that ImmunityBio failed to disclose that Anktiva's long-term efficacy was unproven and falsely marketed it as a cancer vaccine, which not only harmed investor interests but could also adversely affect the company's future market performance.
- Law Firm Background: Robbins Geller Rudman & Dowd LLP, a leading firm in securities fraud and shareholder rights litigation, recovered over $916 million for investors in 2025, showcasing its strong capabilities and influence in handling similar cases.

Phase 2 Long COVID Study Launch: The company has initiated a Phase 2 study to assess the effectiveness of Anktiva in improving recovery from long COVID by restoring immune cells, with plans to enroll about 20 participants and complete the study by October.
Expansion Beyond Cancer: Anktiva's platform has expanded its applications beyond cancer treatments to include severe pneumonia, sepsis, and acute respiratory distress syndrome, indicating a broader potential for immune activation therapies.
Stock Performance and Market Sentiment: Shares of ImmunityBio (IBRX) have surged over 270% this year, significantly outperforming the S&P Biotech ETF, reflecting positive market sentiment and renewed interest in the company's therapies.
Regulatory Progress and Future Plans: The therapy has been added to approved drug lists for bladder cancer and is being positioned as a recommended option for patients who do not respond to standard therapies, with ongoing efforts to expand its use in various diseases.










