Key Takeaways:
- A securities fraud lawsuit was filed against ImmunityBio Inc. on behalf of investors.
- The suit alleges false statements were made about the drug Anktiva.
- Investors who bought IBRX stock have until May 26 to seek lead plaintiff status.
Key Takeaways:

A securities fraud class action lawsuit has been filed against ImmunityBio Inc. (NASDAQ: IBRX), alleging the company made material misstatements regarding its lead drug candidate, Anktiva, during a more than two-month period.
"Defendants' statements about ImmunityBio's business, operations, and prospects were materially false and misleading and/or lacked a reasonable basis at all relevant times," according to the lawsuit first filed by The Rosen Law Firm. When the true details entered the market, the lawsuit claims that investors suffered damages.
The class period covers investors who purchased securities between January 19, 2026, and March 24, 2026. Multiple law firms, including Kessler Topaz Meltzer & Check, LLP, have since announced similar actions, reminding investors of the May 26, 2026 lead plaintiff deadline. A lead plaintiff is a representative party that acts on behalf of other class members in directing the litigation.
The legal action introduces significant uncertainty for the biotechnology company, whose valuation is closely tied to the clinical and commercial prospects of its pipeline. Such lawsuits can result in substantial legal costs and a loss of investor confidence, regardless of the final outcome.
The core of the lawsuit alleges that ImmunityBio and its defendant, Patrick Soon-Shiong, materially overstated the capabilities and commercial prospects of the biologic product Anktiva. The filings claim that the company failed to disclose adverse information that later impacted investor perceptions of the drug's viability.
For investors who purchased shares during the specified period, the law firms offer representation on a contingency fee basis, meaning there are no out-of-pocket fees or costs. The firms encourage investors with losses to contact them to discuss their options for joining the class action.
The filing of these lawsuits is a critical development for ImmunityBio shareholders, as the outcome could have a lasting impact on the company's financial health and stock performance. Investors will be closely watching for the court's decision on the lead plaintiff and any subsequent developments in the case.
This article is for informational purposes only and does not constitute investment advice.