Summary of AnaptysBio Conference Call Company Overview - **Company**: AnaptysBio - **Event**: 44th Annual JPMorgan Healthcare Conference - **CEO**: Dan Faga Key Points Company Separation - AnaptysBio plans to separate into two distinct businesses: BiopharmaCo and Royalty Management Co by Q2 2025 [1][2][34] - The separation aims to align different business strategies and investment philosophies, enhancing shareholder value [44][46] BiopharmaCo Developments - **Clinical Assets**: BiopharmaCo will focus on three clinical assets, primarily driven by AMB033, which is currently in phase 1b trials for Celiac disease and Eosinophilic Esophagitis (EoE) [2][12] - **AMB033**: A CD122 antagonist targeting IL-15 and IL-2 signaling, showing potential in treating Celiac disease and EoE [12][26] - **Market Opportunity**: Celiac disease has over 1 million diagnosed patients in the U.S., with a $5 billion market targeting those non-responsive to a gluten-free diet [16][17] Royalty Management Co Developments - The Royalty Management Co will manage royalties from Jemperli and Imsidolimab, with significant revenue potential from these assets [3][4] - **Jemperli**: Generated over $300 million in revenue in Q3 2025, with a tiered royalty structure starting at 8% and potentially reaching 25% at peak sales [4][5] - **Imsidolimab**: Expected approval in the U.S. later this year, with a 10% flat royalty from sales [6][7] Clinical Trials and Data - **Celiac Disease Trials**: The phase 1b trial will enroll 60 patients, focusing on preventing villus atrophy and healing damaged villi [22][50] - **EoE Trials**: A trial for EoE is set to initiate later this quarter, targeting a growing market currently dominated by Dupixent [25][54] - **Rosnilimab**: A phase 2b trial in rheumatoid arthritis showed positive results, with plans for a phase 3 program pending strategic partnerships or financing [28][29] Financial Position - AnaptysBio has $310 million in cash, sufficient to support ongoing trials and operations for the next couple of years [3][34] - The company anticipates paying down $250 million of its $600 million non-recourse debt by the end of 2025 [5][41] Market Competition and Strategy - Jemperli competes with Keytruda, with GSK focusing on differentiated data in women's cancers [11] - AnaptysBio's strategy includes targeting both IL-15 and IL-2 pathways, which may provide advantages over existing therapies [12][54] Litigation with GSK - Ongoing litigation with GSK regarding Jemperli is not expected to impede the separation of the biopharma business [39][40] - AnaptysBio claims GSK has breached contract terms, with a trial date set for July 2025 [41][43] Future Outlook - AnaptysBio is optimistic about the potential of its clinical assets and the upcoming separation, which is expected to create value for shareholders [46][49] - The company is exploring various financing options to support the advancement of its clinical programs [48][49] Additional Insights - The separation is seen as a strategic move to unlock value by allowing each entity to pursue tailored growth strategies [44][46] - The focus on both Celiac disease and EoE highlights AnaptysBio's commitment to addressing unmet medical needs in immunology [12][54]

Financial Data and Key Metrics Changes - The company reported a cash balance of just under $300 million entering the second half of the year, which is expected to sustain operations through the end of 2027 [7][75]. - The royalty asset from GSK for the drug Jemperli is projected to generate significant revenue, with estimates suggesting potential royalties of $80 million for every $1 billion in sales [79][82]. Business Line Data and Key Metrics Changes - The lead program, rozanolimab, showed positive results in clinical trials for arthritis, with stable off-drug data through nine months and a second trial for ulcerative colitis fully enrolled [5][10]. - The company has two additional drugs in clinical development: AMB033, a CD122 antagonist, and AMB101, a BCA2 modulator, both in Phase 1a trials [6][71]. Market Data and Key Metrics Changes - The market for ulcerative colitis is seen as a growth opportunity, with a significant number of patients likely to switch classes of drugs, indicating a demand for new mechanisms of action [43][44]. - The competitive landscape in rheumatoid arthritis (RA) is noted to be stagnant, with no new classes launched in over a decade, positioning the company favorably [50]. Company Strategy and Development Direction - The company is considering two primary paths forward: advancing independently in ulcerative colitis or pursuing multiple diseases, including RA and UC [45][48]. - The focus is on maximizing clinical remissions and ensuring patient tolerability to drive long-term engagement with the drug [32][36]. Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the upcoming data readouts for ulcerative colitis, emphasizing the importance of demonstrating efficacy at three and six months [19][20]. - The company is optimistic about the potential for rozanolimab to provide a differentiated treatment option in a competitive market, particularly given the observed long-lasting effects in RA [49][51]. Other Important Information - The company highlighted the significance of the royalty from GSK, which is expected to provide a valuation backstop and support future growth initiatives [82]. - There is a strong emphasis on the translational research capabilities of the company's platform, which is seen as a competitive advantage in developing new therapies [87][88]. Q&A Session Summary Question: What are the expectations around the three-month update for ulcerative colitis? - Management indicated that the primary endpoint is the change in MMS versus placebo, with expectations for clinical response and remission rates to be comparable to existing biologic classes [36][40]. Question: How does the company balance resources between ulcerative colitis and rheumatoid arthritis? - The decision-making process will depend on the six-month data from the ulcerative colitis trial, with a focus on patient safety and efficacy [41][42]. Question: What is the competitive landscape for the company's drugs? - Management noted that while there are no new RA classes in development, the company is well-positioned due to the potency and tolerability of its drug compared to competitors [50][51]. Question: What is the potential market opportunity for AMB033 in celiac disease? - The company highlighted the significant unmet need in celiac disease, with over two million patients in the U.S. and no approved treatments, making it an attractive market [61][62]. Question: How does the company view its antibody platform's value? - The platform is seen as a critical asset for developing differentiated therapies, with a focus on translational research and process development to optimize drug candidates [87][88].