Financial Data and Key Metrics Changes - In Q3 2025, the company reported total product net sales of $1.13 billion, marking a historic milestone as it surpassed $1 billion in VYVGART sales for the first time in a single quarter [17] - The quarter saw a growth of 19% or $178 million in product net sales compared to the previous quarter, and a year-over-year growth of 96% or $554 million [17] - Total operating expenses for Q3 were $805 million, representing a 5% increase, with R&D expenses up by 9% and SG&A expenses by 4% [18] - The operating profit for the quarter was $346 million, with a year-to-date effective tax rate of 13% [19] Business Line Data and Key Metrics Changes - VYVGART's product net sales in the U.S. were $964 million, with a quarter-over-quarter growth of 20% driven by the pre-filled syringe (PFS) launch [17][18] - The company has three first-in-class molecules in Phase 3 development, including efgartigimod, empasiprubart, and ARGX-119, which represent significant pipeline opportunities [10] Market Data and Key Metrics Changes - The U.S. market saw a significant contribution to sales, with $964 million in product net sales, while Japan contributed $60 million and other markets contributed $94 million [17] - The company is actively expanding its operations in the U.S. with a new manufacturing facility in North Carolina to support growing demand [15] Company Strategy and Development Direction - The company is focused on its long-term growth strategy, Vision 2030, which includes advancing its pipeline and expanding its market presence in neurology and immunology [6][15] - The strategy includes investments in new molecules and expanding the label for VYVGART to address unmet needs in seronegative and ocular gMG [12][22] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the growth trajectory, highlighting the strong performance of VYVGART and the positive feedback from prescribers regarding its efficacy and safety [26][37] - The company anticipates five registration readouts next year, reflecting a disciplined approach to indication selection and strong commercial potential [13] Other Important Information - The company has made strategic decisions to halt development in certain areas, such as empasiprubart in dermatomyositis, while continuing to focus on high-potential indications [11] - The cash balance at the end of the quarter was $4.3 billion, indicating strong financial health and capacity for future investments [19] Q&A Session Summary Question: Clarification on the growth drivers for VYVGART - Management confirmed that while the pre-filled syringe is a major growth driver, other formulations are still contributing positively to sales [32][33] Question: Insights on CIDP launch and physician feedback - Positive feedback from prescribers indicates a strong interest in moving efgartigimod to frontline therapy, with ongoing efforts to expand market penetration [36][37] Question: Revenue potential for upcoming indications - Each Phase 3 indication is expected to represent an opportunity similar to that of MG, with further details to be provided closer to market readiness [40] Question: Update on empasiprubart and enrollment issues - Enrollment challenges in dermatomyositis were attributed to competitive environments, while CIDP trials are still in early stages [45][48] Question: Thoughts on competitive landscape and operating expenses - Management remains confident in their competitive positioning despite new trials and anticipates continued growth in operating expenses aligned with strategic investments [84][91]