Ultragenyx faces securities class action over August 2023–December 2025 disclosures

Reuters03-11

Ultragenyx faces securities class action over August 2023–December 2025 disclosures

Ultragenyx is facing a pending securities class action covering the period from Aug. 3, 2023 to Dec. 26, 2025. Investors seeking to serve as lead plaintiff must file by April 6, 2026. The suit names Ultragenyx CEO Emil Kakkis and CMO Eric Crombez as individual defendants under Section 20(a) control-person claims. The complaint alleges they had authority over SEC filings and other public statements, and that they had access to non-public information related to study progress and risks.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ultragenyx Pharmaceutical Inc. published the original content used to generate this news brief via PR Newswire (Ref. ID: 202603110900PR_NEWS_USPR_____NY07394) on March 11, 2026, and is solely responsible for the information contained therein.

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