
RARE
Ultragenyx Pharmaceutical Inc
Biotechnology
Ultragenyx Pharmaceutical Inc (RARE) Stock News
The latest RARE headlines and market coverage — 1 recent story, updated throughout the day.
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INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Ultragenyx Pharmaceutical Inc. - RARE
Pomerantz LLP announced investigations into potential securities fraud at Ultragenyx Pharmaceutical, OSI Systems, and lululemon athletica. The investigation into Ultragenyx was triggered by the company's failure to meet primary endpoints in a Phase 3 clinical trial for apazunersen, resulting in a 44% stock price decline on September 3, 2026.