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John Woolburn

Research Analyst at Citizens

John Woolburn is an Equity Research Analyst at Citizens, specializing in coverage of the industrial sector with a focus on key publicly traded companies. His research includes detailed analysis on companies such as General Electric, Honeywell, and United Technologies, and he is recognized for maintaining a track record of actionable investment insights and above-average forecast accuracy. Woolburn began his career in equity research in the early 2010s, previously working at regional investment firms before joining Citizens in 2019, where he has contributed to the firm's top quartile analyst performance according to internal metrics. He holds Series 7, 63, and 86/87 FINRA securities licenses and is known for his sector expertise and diligent financial modeling.

John Woolburn's questions to RHYTHM PHARMACEUTICALS (RYTM) leadership

Question · Q3 2025

John Woolburn asked for more information on the 2,000 potential hypothalamic obesity (HO) patients identified, specifically whether Rhythm Pharmaceuticals has been able to determine who among them might be good candidates for Imcivree.

Answer

Jennifer Lee, EVP, Head of North America, Rhythm Pharmaceuticals, explained that the 2,000 patients were identified through field organization discussions with physicians, who either formally diagnosed HO patients or identified those meeting criteria for further evaluation. She noted that this process is ongoing and that there is significant physician interest in diagnosing these patients, leading to an addressable opportunity for quicker diagnosis and potential Imcivree treatment.

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Question · Q3 2025

John Woolburn asked for more information on the 2,000 potential HO patients identified, specifically whether Rhythm Pharmaceuticals has been able to determine their candidacy for treatment.

Answer

Jennifer Lee, EVP, Head of North America, clarified that the 2,000 patients were identified through field organization discussions with physicians who either formally diagnosed them or identified them as meeting criteria for further evaluation. She noted that this process is ongoing, with significant physician interest in achieving a specific diagnosis.

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