Core Viewpoint - Ultragenyx Pharmaceutical reported a wider loss per share in Q4 2024 compared to the previous year and the consensus estimate, despite a significant increase in total revenues driven by higher product sales [1][2][8]. Financial Performance - The total revenues for Q4 2024 were 164.9million,reflectinga29163 million [2]. - The net loss per share for Q4 2024 was 1.39,widerthantheconsensusestimateofalossof1.24 and compared to a loss of 1.52inthesamequarterlastyear[1][8].−Forthefullyear2024,totalrevenuesreached560.2 million, up 29% from 434.2millionin2023,exceedingtheZacksConsensusEstimateof558.6 million [8]. Product Performance - Crysvita generated 115.4millioninrevenuesforQ42024,a2331.1 million, up 34% due to strong new patient demand, while Mepsevii's revenues remained flat at 8million[5].−Evkeezarecordedsalesof10.4 million in Q4 2024 [5]. Operating Expenses - Operating expenses for Q4 2024 totaled 287.2million,a15187.8 million, up 17%, while selling, general and administrative expenses were 82.5million,up7745 million, down from 825millionasofSeptember30,2024[7].FutureGuidance−For2025,Ultragenyxexpectstotalrevenuesbetween640 million and 670million,indicatingagrowthofapproximately14−20460 million and 480million,whileDojolvirevenuesareexpectedtorangefrom90 million to $100 million [9]. Pipeline Developments - Ultragenyx is developing UX143 for osteogenesis imperfecta in collaboration with Mereo BioPharma, with updates expected in mid-2025 [12]. - The company is also evaluating UX701 for Wilson disease and plans to submit a biologics license application for DTX401 in mid-2025 [13]. - In December 2024, dosing began in the pivotal phase III Aspire study for GTX-102, targeting Angelman syndrome [14]. - A biologics license application for UX111 to treat Sanfilippo syndrome type A was submitted in December 2024, with a decision expected in the second half of 2025 [15].