Financial Data and Key Metrics Changes - The net loss for fiscal year 2025 was $2 million, a significant improvement from a net loss of approximately $599 million in fiscal year 2024, resulting in a loss of $0.01 per share compared to a loss of $5 per share [32] - Revenue for fiscal year 2025 totaled $829 million, driven primarily by licensing and collaboration agreements, with $697 million from Sarepta Therapeutics [32][33] - Total operating expenses increased to approximately $731 million in fiscal year 2025 from $605 million in fiscal 2024, primarily due to higher R&D and SG&A costs [35] Business Line Data and Key Metrics Changes - The FDA approval of Redemplo marked a major milestone, being the first FDA-approved siRNA medicine for familial chylomicronemia syndrome (FCS) [7][8] - Redemplo achieved an unprecedented reduction in triglycerides by approximately 80% from baseline as early as one month, with 50% of patients at the 25-mg dose achieving triglyceride levels below 500 mg per deciliter [24] - The company has made progress with Zodasiran, initiating the Yosemite phase III clinical trial for homozygous familial hypercholesterolemia (HoFH) [11][12] Market Data and Key Metrics Changes - There are an estimated 6,500 people in the U.S. living with genetic or clinical FCS, and approximately 750,000 patients with persistent chylomicronemia at high risk for acute pancreatitis [10][25] - The One Redemplo pricing model is set at $60,000 annually, aimed at providing consistent pricing across current and future indications [25] Company Strategy and Development Direction - The company is focusing on the cardiometabolic space, with ongoing development programs for Zodasiran and ArrowDiamond PA, targeting large populations without proper treatment options [14][15] - Arrowhead aims to have 20 individual drug candidates in clinical trials by the end of 2025, with a balanced pipeline of wholly owned and partnered programs [41] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the commercial launch of Redemplo and the positive feedback received from healthcare professionals and patient societies [24][25] - The company anticipates that the commercial sales of Redemplo will not have a substantial impact on financial statements in fiscal year 2026, but believes its cash runway is sufficient to extend into fiscal year 2028 [39] Other Important Information - Arrowhead received a $200 million upfront payment from Novartis for a licensing agreement and is eligible for up to $2 billion in future milestone payments [18][37] - The company has expanded its clinical pipeline in CNS with AROMAPT, targeting tauopathies including Alzheimer's disease [15] Q&A Session Summary Question: Can you discuss the plan to show benefit in terms of acute pancreatitis for Plozasiran? - Management indicated that shots at three and four were powered for triglyceride reduction, with a reasonable chance to show a difference in acute pancreatitis, but emphasized that shots at five are specifically designed to demonstrate benefit in acute pancreatitis [45][46] Question: Can you provide more details on the upcoming data for obesity programs? - Management confirmed that initial data from the AROINHBE program will be shared in early January, with a focus on safety and biomarker data, while ARO-ALK7 will provide limited data focused on monotherapy safety [50][52] Question: What are the estimates on acute pancreatitis events accrual based on patient baseline characteristics? - Management noted that it is difficult to estimate the number of events due to the new criteria being used, but they expect to have a sufficient number of events based on the percentage of patients with a history of pancreatitis enrolled in the study [56] Question: Can you discuss the differentiation of the ArrowMapT program from J&J's failed anti-tau antibody? - Management highlighted that ArrowMapT targets intracellular tau, potentially reducing both intracellular and extracellular tau levels, unlike J&J's approach which primarily targets extracellular tau [62] Question: What is the visibility on launching a CBOT study? - Management indicated that they expect to have a clearer idea by summer regarding the data from ongoing studies, which will inform the timeline for launching pivotal studies [65]

Financial Data and Key Metrics Changes - The net loss for fiscal year 2025 was $2 million, a significant improvement from a net loss of approximately $599 million in fiscal year 2024, resulting in a loss of $0.01 per share compared to a loss of $5 per share [32] - Revenue for fiscal year 2025 totaled $829 million, driven primarily by licensing and collaboration agreements, with $697 million from Sarepta Therapeutics [32][33] - Total operating expenses for fiscal year 2025 were approximately $731 million, an increase from $605 million in fiscal 2024, primarily due to higher R&D and SG&A costs [33][34] - Cash and investments totaled $919 million as of September 30, 2025, up from $681 million a year earlier, reflecting strong cash flow from licensing agreements [35][36] Business Line Data and Key Metrics Changes - The FDA approved Redemplo, Arrowhead's first FDA-approved medicine, marking a major milestone as it transitions into the commercial stage [6][7] - Redemplo is indicated for reducing triglycerides in adults with familial chylomicronemia syndrome (FCS) and can be self-administered at home [19][20] - The One Redemplo pricing model is set at $60,000 annually, aimed at providing consistent pricing across indications [11][25] Market Data and Key Metrics Changes - There are an estimated 6,500 people in the U.S. living with genetic or clinical FCS, with a prescriber base comprising specialists such as lipidologists and endocrinologists [25] - The broader patient population at risk of acute pancreatitis includes approximately 750,000 patients with persistent chylomicronemia [10] Company Strategy and Development Direction - The company is focusing on the cardiometabolic space, with ongoing clinical trials for Zodasiran and ArrowDiamond PA, targeting conditions like homozygous familial hypercholesterolemia and atherosclerotic cardiovascular disease [12][13] - Arrowhead aims to have 20 individual drug candidates in clinical trials by the end of 2025, with a balanced pipeline of wholly owned and partnered programs [39] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism about the commercial launch of Redemplo and the encouraging feedback from the FCS community [39] - The company does not anticipate substantial financial impact from Redemplo sales in fiscal year 2026 but believes its cash runway is sufficient to support operations into fiscal year 2028 [38] Other Important Information - Arrowhead received a $200 million upfront payment from Novartis for a licensing agreement and is eligible for up to $2 billion in future milestone payments [36][37] - The company has made significant progress in business development, including a $200 million milestone payment from Sarepta for ARO-DM1 [17][38] Q&A Session Summary Question: What is the plan to show benefit in terms of acute pancreatitis for Plozasiran? - Management indicated that while shots at three and four were powered for triglyceride reduction, there is reasonable power to see a difference in acute pancreatitis, with a specific design for SHASTA-5 to demonstrate benefit [42][44][45] Question: Can you provide details on the upcoming data for obesity programs? - Management confirmed that initial data from the ARO-INHBE program will be shared in early January, with a focus on safety and biomarker data [48][50] Question: What are the estimates on acute pancreatitis events accrual based on patient baseline characteristics? - Management noted that it is challenging to predict due to the adoption of modified Atlanta criteria for adjudication, but they expect a sufficient number of events based on patient history [53][54] Question: Can you discuss the differentiation of ArrowMapT from J&J's failed anti-tau antibody? - Management highlighted that ArrowMapT targets intracellular tau, potentially reducing both intracellular and extracellular tau levels, unlike J&J's approach [57][59] Question: What is the visibility on launching a CBOT study? - Management stated that they expect to have a clearer idea by summer 2026 based on data from ongoing studies, with plans to move into pivotal studies if results are favorable [62][63]