ImmunityBio Faces Class Action Lawsuit Over Misleading Statements
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Apr 17 2026
0mins
Should l Buy IBRX?
Source: Globenewswire
ImmunityBio Inc. (NASDAQ: IBRX) has seen its stock price rise by 6.75% during regular trading, reaching a 5-day high, despite the broader market decline with the Nasdaq-100 down 0.55% and the S&P 500 down 0.33%.
The company is currently facing multiple class action lawsuits alleging that it made false and misleading statements regarding Anktiva's capabilities, which has raised significant investor concerns. The lawsuits, filed by various law firms, claim that these misrepresentations have led to substantial investor losses, prompting affected investors to seek compensation. The legal actions highlight serious transparency issues within the company, which could lead to further stock price volatility as the situation develops.
As the legal proceedings unfold, investors are advised to stay informed about the potential implications for ImmunityBio's stock performance. The ongoing lawsuits may affect investor confidence and the company's reputation, which could have long-term effects on its market position.
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Analyst Views on IBRX
Wall Street analysts forecast IBRX stock price to fall
3 Analyst Rating
3 Buy
0 Hold
0 Sell
Strong Buy
Current: 7.760
Low
5.00
Averages
7.33
High
9.00
Current: 7.760
Low
5.00
Averages
7.33
High
9.00
About IBRX
Immunitybio, Inc. is a vertically integrated, clinical-stage biotechnology company developing therapies and vaccines that bolster the natural immune system to defeat cancers and infectious diseases. Using its applied science and platforms to treat cancers, including the development of potential cancer vaccines, as well as developing immunotherapies and cell therapies to reduce or eliminate the need for standard high-dose chemotherapy. Its platforms and their associated product candidates are designed to attack cancer and infectious pathogens by activating both the innate immune system, including NK cells, dendritic cells, and macrophages, as well as the adaptive immune system comprising B and T cells, in an orchestrated manner. Its platforms for the development of biologic product candidates include antibody-cytokine fusion proteins, vaccine vectors, and cell therapies. Its biologic commercial product candidate, Anktiva, is an IL-15 superagonist antibody-cytokine fusion protein.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
ImmunityBio's Immunotherapy Approved in Saudi Arabia
- Saudi FDA Approval: ImmunityBio's Quilt 3005 immunotherapy has received approval from the Saudi FDA, enhancing the company's reputation in the Middle East and providing strong support for its global expansion strategy.
- FDA Review Dynamics: Investors are closely monitoring the FDA's review of ImmunityBio's resubmitted BLA for Anktiva plus BCG, with data indicating that 58.2% of patients remained cancer-free after 12 months, which could significantly impact future market performance.
- Stock Price Volatility: Although IBRX shares slid over 1% in Monday trading, they surged 20% last week, reflecting ongoing market interest and potential confidence in the company's immunotherapy.
- Global Expansion Plans: ImmunityBio's launch of Anktiva in Saudi Arabia and partnerships with local biopharma firms signify its expansion in the Middle East and North Africa, further solidifying its competitive position in the global market.
See More
Reminder of ImmunityBio Securities Class Action
- Class Action Notification: 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, which reduces financial barriers and encourages broader participation.
- Lawsuit Background: The lawsuit alleges that ImmunityBio made false and misleading statements during the class period, resulting in investor losses when the true facts emerged, potentially impacting the company's reputation and stock price.
- Law Firm's Strength: Rosen Law Firm is renowned for its successful track record in securities class actions, having recovered over $438 million for investors in 2019 alone, demonstrating its expertise and influence in handling such cases.
See More
Reminder of ImmunityBio Securities Class Action
- Class Action Notice: Rosen Law Firm reminds investors who purchased ImmunityBio securities between January 19 and March 24, 2026, that they must apply to be lead plaintiff by May 26, 2026, to participate in the class action and seek compensation.
- Fee Arrangement: Investors joining the class action will not incur any upfront costs, as the law firm operates on a contingency fee basis, allowing investors to pursue claims without financial burden.
- Lawsuit Background: The lawsuit alleges that executives of ImmunityBio made false and misleading statements during the class period, resulting in investor losses when the true information was revealed, highlighting misconduct within the company.
- Law Firm Credentials: Rosen Law Firm is renowned for its successful track record in securities class actions, having secured hundreds of millions in settlements, and was ranked first in 2017 for the number of securities class action settlements, demonstrating its expertise and influence in the field.
See More
ImmunityBio Shareholder Class Action Reminder
- Class Action Notice: Robbins LLP reminds all shareholders who purchased ImmunityBio (NASDAQ: IBRX) securities between January 19, 2026, and March 25, 2026, that a class action has been filed to protect investor rights and seek compensation.
- False Statement Allegations: The complaint alleges that CEO Soon-Shiong materially overstated the capabilities of the company's lead biologic product, ANKTIVA, leading investors to misunderstand its potential effects.
- FDA Warning Letter Impact: On March 24, 2026, a warning letter from the U.S. Food and Drug Administration (FDA) indicated that Soon-Shiong's promotional claims misleadingly suggested that ANKTIVA could cure and prevent all cancers, resulting in a 21% drop in ImmunityBio's stock price to $7.42 per share on that day.
- Shareholder Action Guidance: Shareholders wishing to serve as lead plaintiffs in the class action must submit their papers to the court by May 26, 2026, while those who choose not to participate can remain absent class members and still retain their rights to recovery.
See More
ImmunityBio Faces Securities Fraud Class Action Lawsuit
- Lawsuit Announcement: Kessler Topaz Meltzer & Check, LLP has filed a securities fraud class action against ImmunityBio (NASDAQ:IBRX) for investors who purchased shares between January 19 and March 24, 2026, highlighting significant investor concerns regarding the company's financial transparency.
- False Statement Allegations: The lawsuit alleges that ImmunityBio made materially misleading statements during this period, particularly regarding the efficacy of its cancer vaccine Anktiva, which has severely undermined investor confidence in the company's prospects.
- FDA Warning Impact: On March 24, 2026, the FDA issued a warning letter to ImmunityBio, citing inaccurate claims made by executives about Anktiva on a podcast, resulting in a 21.12% drop in stock price to $7.42 per share, illustrating the direct impact of regulatory risks on the company's valuation.
- Investor Action Recommendations: Investors are advised to file for lead plaintiff status by May 26, 2026, to represent other investors in the class action, reflecting a strong emphasis on legal rights and expectations for improved corporate governance.
See More
ImmunityBio Faces Class Action Lawsuit for Securities Violations
- Class Action Initiated: Bronstein, Gewirtz & Grossman has filed a class action lawsuit against ImmunityBio, seeking damages for investors who purchased securities between January 19 and March 24, 2026, highlighting concerns over potential financial losses among investors.
- False Statement Allegations: The complaint alleges that ImmunityBio's executive Soon-Shion materially overstated Anktiva's capabilities, rendering the company's statements about its business, operations, and prospects materially false and misleading, which could have long-term repercussions on the company's reputation and stock price.
- Investor Action Call: Affected investors are encouraged to apply to be lead plaintiffs by May 26, 2026, to participate in potential recovery, indicating a proactive stance among investors to protect their rights.
- Law Firm Background: Bronstein, Gewirtz & Grossman is recognized for recovering hundreds of millions for investors, emphasizing its expertise in securities fraud class actions, which may bolster investor confidence in the case.
See More
ImmunityBio's Immunotherapy Approved in Saudi Arabia
- Saudi FDA Approval: ImmunityBio's Quilt 3005 immunotherapy has received approval from the Saudi FDA, enhancing the company's reputation in the Middle East and providing strong support for its global expansion strategy.
- FDA Review Dynamics: Investors are closely monitoring the FDA's review of ImmunityBio's resubmitted BLA for Anktiva plus BCG, with data indicating that 58.2% of patients remained cancer-free after 12 months, which could significantly impact future market performance.
- Stock Price Volatility: Although IBRX shares slid over 1% in Monday trading, they surged 20% last week, reflecting ongoing market interest and potential confidence in the company's immunotherapy.
- Global Expansion Plans: ImmunityBio's launch of Anktiva in Saudi Arabia and partnerships with local biopharma firms signify its expansion in the Middle East and North Africa, further solidifying its competitive position in the global market.
See More
Reminder of ImmunityBio Securities Class Action
- Class Action Notification: 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, which reduces financial barriers and encourages broader participation.
- Lawsuit Background: The lawsuit alleges that ImmunityBio made false and misleading statements during the class period, resulting in investor losses when the true facts emerged, potentially impacting the company's reputation and stock price.
- Law Firm's Strength: Rosen Law Firm is renowned for its successful track record in securities class actions, having recovered over $438 million for investors in 2019 alone, demonstrating its expertise and influence in handling such cases.
See More
Reminder of ImmunityBio Securities Class Action
- Class Action Notice: Rosen Law Firm reminds investors who purchased ImmunityBio securities between January 19 and March 24, 2026, that they must apply to be lead plaintiff by May 26, 2026, to participate in the class action and seek compensation.
- Fee Arrangement: Investors joining the class action will not incur any upfront costs, as the law firm operates on a contingency fee basis, allowing investors to pursue claims without financial burden.
- Lawsuit Background: The lawsuit alleges that executives of ImmunityBio made false and misleading statements during the class period, resulting in investor losses when the true information was revealed, highlighting misconduct within the company.
- Law Firm Credentials: Rosen Law Firm is renowned for its successful track record in securities class actions, having secured hundreds of millions in settlements, and was ranked first in 2017 for the number of securities class action settlements, demonstrating its expertise and influence in the field.
See More
ImmunityBio Shareholder Class Action Reminder
- Class Action Notice: Robbins LLP reminds all shareholders who purchased ImmunityBio (NASDAQ: IBRX) securities between January 19, 2026, and March 25, 2026, that a class action has been filed to protect investor rights and seek compensation.
- False Statement Allegations: The complaint alleges that CEO Soon-Shiong materially overstated the capabilities of the company's lead biologic product, ANKTIVA, leading investors to misunderstand its potential effects.
- FDA Warning Letter Impact: On March 24, 2026, a warning letter from the U.S. Food and Drug Administration (FDA) indicated that Soon-Shiong's promotional claims misleadingly suggested that ANKTIVA could cure and prevent all cancers, resulting in a 21% drop in ImmunityBio's stock price to $7.42 per share on that day.
- Shareholder Action Guidance: Shareholders wishing to serve as lead plaintiffs in the class action must submit their papers to the court by May 26, 2026, while those who choose not to participate can remain absent class members and still retain their rights to recovery.
See More
ImmunityBio Faces Securities Fraud Class Action Lawsuit
- Lawsuit Announcement: Kessler Topaz Meltzer & Check, LLP has filed a securities fraud class action against ImmunityBio (NASDAQ:IBRX) for investors who purchased shares between January 19 and March 24, 2026, highlighting significant investor concerns regarding the company's financial transparency.
- False Statement Allegations: The lawsuit alleges that ImmunityBio made materially misleading statements during this period, particularly regarding the efficacy of its cancer vaccine Anktiva, which has severely undermined investor confidence in the company's prospects.
- FDA Warning Impact: On March 24, 2026, the FDA issued a warning letter to ImmunityBio, citing inaccurate claims made by executives about Anktiva on a podcast, resulting in a 21.12% drop in stock price to $7.42 per share, illustrating the direct impact of regulatory risks on the company's valuation.
- Investor Action Recommendations: Investors are advised to file for lead plaintiff status by May 26, 2026, to represent other investors in the class action, reflecting a strong emphasis on legal rights and expectations for improved corporate governance.
See More
ImmunityBio Faces Class Action Lawsuit for Securities Violations
- Class Action Initiated: Bronstein, Gewirtz & Grossman has filed a class action lawsuit against ImmunityBio, seeking damages for investors who purchased securities between January 19 and March 24, 2026, highlighting concerns over potential financial losses among investors.
- False Statement Allegations: The complaint alleges that ImmunityBio's executive Soon-Shion materially overstated Anktiva's capabilities, rendering the company's statements about its business, operations, and prospects materially false and misleading, which could have long-term repercussions on the company's reputation and stock price.
- Investor Action Call: Affected investors are encouraged to apply to be lead plaintiffs by May 26, 2026, to participate in potential recovery, indicating a proactive stance among investors to protect their rights.
- Law Firm Background: Bronstein, Gewirtz & Grossman is recognized for recovering hundreds of millions for investors, emphasizing its expertise in securities fraud class actions, which may bolster investor confidence in the case.
See More
