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REGENXBIO Inc. Sued for Securities Law Violations – Investors Should Contact The Gross Law Firm Before April 14, 2026 to Discuss Your Rights – RGNX

Key Takeaway: REGENXBIO Inc. is facing a class action lawsuit for securities law violations concerning the development of RGX-111, a gene therapy for Hurler syndrome. Allegations include the dissemination of misleading statements regarding the safety and efficacy of the therapy, coupled with the concealment of adverse data. Following the announcement of a clinical hold by the FDA due to a CNS tumor found in a trial participant, REGENXBIO's stock price plummeted by nearly 18%. Shareholders are encouraged to register for potential recovery by a specified deadline.

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POSITIVE FACTORS

  • There is an opportunity for investors to recover losses through legal action.
  • The lawsuit highlights the involvement of a recognized law firm protecting shareholder rights.

CONCERNS & RISKS

  • REGENXBIO is facing a class action lawsuit for securities law violations due to misleading information.
  • The company's stock price dropped significantly following the announcement of a clinical hold on RGX-111 due to safety concerns.

Full Press Release Details

NEW YORK, March 06, 2026 (GLOBE NEWSWIRE) -- The Gross Law Firm issues the following notice to shareholders of REGENXBIO Inc. (NASDAQ: RGNX).
Shareholders who purchased shares of RGNX during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointment. Appointment as lead plaintiff is not required to partake in any recovery.
CLASS PERIOD: February 9, 2022 to January 27, 2026
ALLEGATIONS: According to the complaint, defendants provided investors with material information concerning REGENXBIO’s plan to develop and commercialize its product candidate RGX-111, a one-time gene therapy for the treatment of severe Mucopolysaccharidosis Type I, also known as Hurler syndrome. Defendants’ statements included, among other things, REGENXBIO’s positive assertions of RGX-111’s future trial success based on continuing positive biomarker and safety data from the ongoing PhaseI/II study. 3. Defendants provided these overwhelmingly positive statements to investors while, at the same time, disseminating false and misleading statements and/or concealing material adverse facts concerning the efficacy and safety of its RGX-111 trial study. On January 28, 2026, REGENXBIO issued a press release announcing that the FDA placed a clinical hold on its investigational gene therapy RGX-111. Defendants announced that an intraventricular CNS tumor was found in a participant treated in its RGX-111 Phase I/II study. Following this news, the price of REGENXBIO’s common stock declined from a closing market price of $13.41 per share on January 27, 2026, REGENXBIO’s stock price fell to $11.01 per share on January 28, 2026, a decline of 17.8% in the span of just a single day.
DEADLINE: April 14, 2026 Shareholders should not delay in registering for this class action. Register your information here: https://securitiesclasslaw.com/securities/regenxbio-inc-loss-submission-form/?id=184114&from=3
NEXT STEPS FOR SHAREHOLDERS: Once you register as a shareholder who purchased shares of RGNX during the timeframe listed above, you will be enrolled in a portfolio monitoring software to provide you with status updates throughout the lifecycle of the case. The deadline to seek to be a lead plaintiff is April 14, 2026. There is no cost or obligation to you to participate in this case.
WHY GROSS LAW FIRM? The Gross Law Firm is a nationally recognized class action law firm, and our mission is to protect the rights of all investors who have suffered as a result of deceit, fraud, and illegal business practices. The Gross Law Firm is committed to ensuring that companies adhere to responsible business practices and engage in good corporate citizenship. The firm seeks recovery on behalf of investors who incurred losses when false and/or misleading statements or the omission of material information by a company lead to artificial inflation of the company's stock. Attorney advertising. Prior results do not guarantee similar outcomes.
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Frequently Asked Questions

What is the class period for REGENXBIO shareholders?

The class period for REGENXBIO shareholders runs from February 9, 2022, to January 27, 2026.

What was the key allegation against REGENXBIO?

REGENXBIO allegedly misled investors regarding the efficacy and safety of RGX-111 while claiming positive trial results.

What caused REGENXBIO's stock price to decline?

The stock price fell after the FDA placed a clinical hold on RGX-111 due to a CNS tumor found in a trial participant.

Is there a deadline to register for the class action?

Yes, the deadline to register is April 14, 2026.

What does registration as a shareholder provide?

Registration provides access to portfolio monitoring software for status updates on the case.

Last updated: Mar 6, 2026