RARE Stock Posts

12/30/2025 11:14:11 AM

Unusual Option Volume

RARE Ultragenyx Pharmaceutical21.66+1.94 (+9.8%)

Ultragenyx Pharmaceutical trades 2,826 contracts.

12/29/2025 10:22:20 AM

Unusual Option Volume

RARE Ultragenyx Pharmaceutical19.97-14.22 (-41.6%)

Ultragenyx Pharmaceutical trades 5,572 contracts. The company has the following event: Phase 3 Orbit and Cosmic Results Announcement for Setrusumab (UX143) in Osteogenesis Imperfecta on Dec 29, 2025. News: Ultragenyx Announces Phase 3 Orbit and Cosmic Results for Setrusumab (UX143) in Osteogenesis Imperfecta

12/29/2025 9:17:09 AM

RARE #UltragenyxPharmaceutical stock declines -47.5% in premarket,

Premarket Decliner

RARE Ultragenyx Pharmaceutical34.19-0.39-1.1%

Premarket:17.95-16.24 (-47.5%)

Globe NewswireMon, 29-Dec 8:30 AM

12/22/2025 4:19:46 PM

Unusual Option Volume

RARE Ultragenyx Pharmaceutical34.75+1.25 (+3.7%)

After Hours:34.750.00 (0.0%)