ImmunityBio Faces Class Action Lawsuit Over Anktiva Claims
- 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.
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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 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.
- Class Action Initiated: Bronstein, Gewirtz & Grossman, LLC has announced a class action lawsuit against ImmunityBio, seeking damages for investors who purchased the company's securities between January 19, 2026, and March 24, 2026, reflecting strong investor response to potential fraud allegations.
- False Statement Allegations: The complaint alleges that ImmunityBio's executive Soon-Shion materially overstated Anktiva's capabilities, resulting in the company's statements about its business, operations, and prospects being deemed materially false and misleading, which could significantly impact the company's reputation and stock price.
- Investor Participation Opportunity: Affected investors are encouraged to apply to be lead plaintiffs by May 26, 2026, indicating that the legal process offers a chance for investors to recover losses, potentially attracting more attention from investors to the case.
- No-Risk Legal Services: Bronstein, Gewirtz & Grossman, LLC offers legal services on a contingency fee basis, charging only if they successfully recover funds, which lowers the barrier for investor participation in the lawsuit and enhances confidence in legal action.
- Class Action Initiation: Rosen Law Firm has filed a class action lawsuit on behalf of ImmunityBio securities purchasers from January 19 to March 24, 2026, alleging that the company made false or misleading statements during this period, resulting in investor losses.
- Compensation Mechanism: Investors participating in the lawsuit may be entitled to compensation without any out-of-pocket fees, indicating a risk-free legal avenue for investors to seek recovery of their losses.
- Law Firm Background: Rosen Law Firm is renowned for its successful track record in securities class actions, having recovered over $438 million for investors in 2019 alone, showcasing its strength and experience in handling such cases.
- Lawsuit Details: The lawsuit claims that ImmunityBio's executive Patrick Soon-Shiong materially overstated Anktiva's capabilities, leading to materially false statements about the company's business prospects, which resulted in investor damages when the truth emerged.
- Legal Investigation Launched: Faruq & Faruqi, LLP is investigating potential claims against ImmunityBio, particularly for investors who purchased securities between January 19, 2026, and March 24, 2026, aiming to protect investor rights.
- Investor Contact Information: The firm encourages investors who suffered losses during the specified period to contact partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310) to discuss their legal options.
- Class Action Reminder: Faruq & Faruqi reminds investors that May 26, 2026, is the deadline to seek the role of lead plaintiff in a federal securities class action filed against ImmunityBio, emphasizing the importance of timely action.
- Securities Law Expertise: As a leading national securities law firm, Faruq & Faruqi focuses on protecting investor rights and investigating potential securities fraud, demonstrating its expertise in maintaining market integrity.










