Levi & Korsinsky Reminds Shareholders of a Lead Plaintiff Deadline of April 6, 2026 in Ultragenyx Lawsuit - RARE

NEW YORK, April 1, 2026 /PRNewswire/ -- Levi & Korsinsky, LLP notifies investors in Ultragenyx Pharmaceutical Inc. ("Ultragenyx" or the "Company") (NASDAQ: RARE) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit seeks to recover losses on behalf of Ultragenyx investors who were adversely affected by alleged securities fraud between August 3, 2023 and December 26, 2025.