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The earnings call demonstrates a strong potential for growth with the anticipated rapid uptake of FILSPARI in FSGS, supported by existing payer access and high unmet needs. The management's confidence in broad coverage and high compliance rates for FILSPARI in IgAN further bolster this sentiment. Despite some lack of specific guidance on numbers, the overall outlook is positive with strong demand drivers and physician acceptance. The Q&A section reinforces the positive sentiment with a focus on education and alignment with treatment guidelines.
Total U.S. Net Product Sales $124.5 million in the first quarter of 2026, reflecting strong year-over-year growth.
FILSPARI U.S. Net Product Sales $105.2 million in the first quarter of 2026, representing approximately 88% year-over-year growth. The growth was achieved despite typical beginning-of-year gross-to-net impact and fewer revenue recognition days.
Thiola and Thiola EC U.S. Net Product Sales $19.3 million in the first quarter of 2026.
License and Collaboration Revenue $2.7 million in the first quarter of 2026.
Total Revenue $127.2 million in the first quarter of 2026.
Research and Development (R&D) Expenses $57.1 million in the first quarter of 2026, compared to $46.9 million in the same period in 2025. The increase was primarily driven by the restart of enrollment in the Phase III HARMONY study of pegtibatinase.
Selling, General and Administrative (SG&A) Expenses $80.3 million in the first quarter of 2026, compared to $60.4 million in the same period in 2025. The increase was primarily due to investments in preparation for FILSPARI's launch in FSGS and investments in IgA nephropathy.
Royalty Expense $24.8 million in the first quarter of 2026, compared to $12.4 million in the same period in 2025. The increase was due to the Thiola intangible asset reaching the end of its accounting useful life and an increase in capitalized FILSPARI royalties.
Net Loss $37.1 million or $0.40 per basic share in the first quarter of 2026, compared to a net loss of $41.2 million or $0.47 per basic share in the same period in 2025.
Non-GAAP Adjusted Net Income $4.1 million or $0.05 per basic share in the first quarter of 2026, compared to a net loss of $16.9 million or $0.19 per basic share in the same period in 2025.
Cash, Cash Equivalents, Marketable Securities, and Receivables Approximately $352 million as of March 31, 2026. This includes a $25 million sales-based milestone payment from Mirum Pharmaceuticals recognized in Q4 2025 and received in April.
FDA approval for FILSPARI in FSGS: FILSPARI became the first and only approved medicine for FSGS, a rare kidney condition, marking a significant milestone for the company and expanding its indication to help over 30,000 patients in the U.S. without nephrotic syndrome.
FILSPARI in IgA nephropathy: Achieved record new patient start forms and is estimated to have a $3 billion potential peak sales opportunity across IgA nephropathy and FSGS.
Phase III HARMONY study of pegtibatinase: Enrollment restarted, with the first new patient dosed. The study aims to evaluate pegtibatinase for classical homocystinuria, targeting 7,000-10,000 patients globally. Top-line results are expected in the second half of 2027.
Market expansion for FILSPARI: FILSPARI is now approved for both IgA nephropathy and FSGS, with an estimated 100,000 eligible patients in the U.S. This represents a significant market opportunity.
Revenue growth: FILSPARI generated $105.2 million in revenue in Q1 2026, an 88% year-over-year increase, despite fewer revenue recognition days.
Commercial performance: Achieved record demand for FILSPARI with 993 new patient start forms in Q1 2026. Early adoption in FSGS is expected to be faster due to existing prescriber familiarity from IgA nephropathy.
Financial performance: Generated $124.5 million in total U.S. net product sales in Q1 2026, with strong year-over-year growth. Maintains a cash balance of $264.7 million as of March 31, 2026.
Strategic focus on rare diseases: The company is prioritizing growth in rare kidney diseases and advancing its pipeline, including the late-stage development of pegtibatinase for classical homocystinuria.
Long-term growth trajectory: FILSPARI's dual approval in IgA nephropathy and FSGS positions the company for sustained growth and leadership in rare kidney disease indications.
Regulatory Risks: The transcript mentions forward-looking statements that involve known and unknown risks, uncertainties, and assumptions, which could cause actual results to differ materially. This highlights potential regulatory risks and uncertainties in achieving approvals or maintaining compliance.
Market Competition: There is a mention of new treatment options becoming available for IgA nephropathy, indicating competitive pressures in the market that could impact FILSPARI's market share and growth.
Supply Chain and Revenue Recognition: The transcript notes fewer revenue recognition days due to quarter-end timing and early week ordering patterns, which could impact financial reporting and cash flow.
Operational Costs: Increased R&D and SG&A expenses are highlighted, driven by the restart of the Phase III HARMONY study and investments in FILSPARI's launch. These rising costs could pressure profitability.
Economic and Financial Risks: The transcript mentions a net loss for the quarter despite revenue growth, indicating financial risks related to profitability and sustainability.
FILSPARI Revenue Potential: The company estimates that more than 100,000 patients in the U.S. could be eligible for FILSPARI, representing a $3 billion potential peak sales opportunity.
FSGS Market Opportunity: FILSPARI's approval for FSGS is expected to address more than 30,000 patients in the U.S., with the number anticipated to grow. Early adoption is expected to be faster compared to the IgAN launch.
HARMONY Study Timeline: The pivotal Phase III HARMONY study of pegtibatinase in classical homocystinuria is on track to deliver top-line results in the second half of 2027.
Pipeline Expansion: The company is advancing its pipeline, including the reinitiation of enrollment in the HARMONY study and the potential for pegtibatinase to become the first disease-modifying therapy for classical HCU.
Revenue Growth Outlook: FILSPARI's strong demand in IgA nephropathy and its recent approval in FSGS are expected to drive sustained revenue growth and long-term leadership in rare kidney disease indications.
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The earnings call demonstrates a strong potential for growth with the anticipated rapid uptake of FILSPARI in FSGS, supported by existing payer access and high unmet needs. The management's confidence in broad coverage and high compliance rates for FILSPARI in IgAN further bolster this sentiment. Despite some lack of specific guidance on numbers, the overall outlook is positive with strong demand drivers and physician acceptance. The Q&A section reinforces the positive sentiment with a focus on education and alignment with treatment guidelines.
The earnings call highlights strong financial performance and strategic growth opportunities, particularly with FILSPARI's expanding market presence and potential FSGS approval. The Q&A section reinforced confidence in the company's strategies and market positioning, with positive insights on FILSPARI's growth potential and FDA interactions. Despite some uncertainties in FDA requests and specific metrics, the overall sentiment remains positive due to robust market opportunities and strategic plans.
The earnings call highlights strong financial performance and strategic developments. FILSPARI's growth in IgA nephropathy and potential FSGS approval, along with positive REMS adjustments, suggest a positive outlook. The Q&A reveals consistent demand and effective communication strategies. Despite some management vagueness, the overall sentiment is positive, with expectations of revenue growth and strategic expansions. The market reaction is likely positive, considering these factors.
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