ATLANTA, GA (Globe Newswire – January 28, 2026) — Holzer & Holzer, LLC is investigating whether REGENXBIO Inc. (“REGENXBIO” or the “Company”) (NASDAQ: RGNX) complied with federal securities laws. On January 28, 2026, REGENXBIO announced it “received communication from the U.S. Food and Drug Administration (“FDA”) that the Company’s Investigational New Drug applications for both its Phase I/II trial evaluating RGX-111 for Mucopolysaccharidosis type I and its Phase I/II/III trial of RGX-121 for Mucopolysaccharidosis type II were placed on clinical hold.” Following this news, the price of the Company’s stock dropped.

If you purchased REGENXBIO stock and suffered a loss on that investment, you are encouraged to contact Corey Holzer, Esq. at cholzer@holzerlaw.com or Joshua Karr, Esq. at jkarr@holzerlaw.com, call our toll-free number at (888) 508-6832, or visit our website at www.holzerlaw.com/case/regenxbio/  to discuss your legal rights.