Full Press Release Details
Ultragenyx Completes Rolling Submission of Biologics License Application (BLA) to U.S. FDA for DTX401 AAV Gene Therapy for Glycogen Storage Disease Type Ia (GSDIa).
RARE
Ultragenyx Completes Rolling Submission of Biologics License Application (BLA) to U.S. FDA for DTX401 AAV Gene Therapy for Glycogen Storage Disease Type Ia (GSDIa)
Key Takeaway: Ultragenyx Completes Rolling Submission of Biologics License Application (BLA) to U.S. FDA for DTX401 AAV Gene Therapy for Glycogen Storage Disease Type Ia (GSDIa)
Price reaction · baseline $19.72 (2025-12-29 close) · hit after-hours · 1 other RARE headline(s) in the window, move may be shared
day 0 close
+15.5%
day 1
+16.6%
day 3 · peak
+17.2%
BiopharmaWatch Analysis
From our catalyst data and publicly available data · not financial adviceBest trade, last catalyst
+43%
120-day peak, hindsight
Typical move
2.9%
average across 6 past catalysts
Cash runway
~13 mo
Low dilution risk
Lead asset
BPS804
Phase 2 · Hypophosphatasia