PTC Therapeutics (NasdaqGS:PTCT) FY 2025 Conference December 04, 2025 10:30 AM ET Company ParticipantsMatt Klein - CEOConference Call ParticipantsNone - Analyst 1None - Analyst 2NoneMy name's Jeff Beach. I'm the senior biopharma analyst there, and I have Jar Wei Fang from my team on here as well. We're thrilled today to have PTC Therapeutics with us. On stage is Matt Klein, CEO. Matt, welcome.Good to see you.Matt KleinThank you. Great to be here.Lots of questions on Translarna and on your R&D day, but maybe ...

Financial Data and Key Metrics Changes - PTC Therapeutics reported a successful year in 2025, highlighted by the US and EU approval of Sapphiens, which is expected to lead the company to cash flow break-even and beyond in the near future [5][9] - The company is seeing strong momentum in the fourth quarter following the launch of Sapphiens, with early launch numbers being strong and not solely driven by switches from existing therapies [9][26] Business Line Data and Key Metrics Changes - Sapphiens is positioned as a foundational product for PTC, addressing a significant unmet need in the PKU market, which consists of approximately 17,000 patients in the US [7][8] - The company has reported that the average time from patient services form (PSF) to getting on the drug is currently two to four weeks, indicating a seamless execution of the launch [10][11] Market Data and Key Metrics Changes - The launch of Sapphiens has seen uptake across all patient segments, including therapy-naive patients and those switching from Kuvan and Palynziq, indicating a broad market acceptance [24][25] - The company is preparing for a global launch, with expected approvals in Japan and Brazil, and has mapped out strategies for pricing and reimbursement negotiations in various markets [35][40] Company Strategy and Development Direction - PTC is focused on the successful launch of Sapphiens while also advancing its R&D pipeline, particularly in small molecule splicing programs, which hold potential for future therapies [58][62] - The company is committed to managing expenses and achieving cash flow break-even, with plans to reduce operating expenses in 2026 relative to 2025 [68][69] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the strong demand for Sapphiens and the ability to meet that demand through expanded manufacturing capabilities [46] - The company is actively engaging with regulatory bodies to navigate the complexities of launching in different markets, emphasizing the strength of its data package for Sapphiens [47][48] Other Important Information - PTC has a robust commercial team experienced in rare disease drug launches, which has contributed to the early success of Sapphiens [8][9] - The company is also exploring strategic partnerships for its small molecule RNA platform, which could lead to innovative therapies in oncology and neurodegenerative diseases [62][63] Q&A Session Summary Question: What are the adoption patterns for Sapphiens across different patient segments? - Management noted that early uptake is seen across all segments, including switches from Kuvan and therapy-naive patients, indicating broad market penetration [24][25] Question: How is the company preparing for global launch? - The company has planned for a global launch, with infrastructure in place for expected approvals in Japan and Brazil, and is considering pricing strategies in various markets [35][40] Question: What is the company's strategy for managing expenses? - Management emphasized a commitment to managing expenses while focusing on the success of Sapphiens to drive top-line growth, with plans to reduce operating expenses in 2026 [68][69]