Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) Q4 2022 Earnings Conference Call February 16, 2023 5:00 PM ET Company Participants Joshua Higa - Head of Investor Relations Emil Kakkis - Founder, President and Chief Executive Officer Erik Harris - Executive Vice President and Chief Commercial Officer Camille Bedrosian - Executive Vice President and Chief Medical Officer Aaron Olson - SVP, Corporate Strategy and Finance Ted Hazinga - Chief Accounting Officer Conference Call Participants Gena Wang - Barclays Chri ...