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Nat Charoensook

Research Analyst at Leerink Partners

Nat Charoensook is Vice President of Biotechnology Equity Research at Leerink Partners, specializing in diversified biopharmaceuticals with a focus on companies such as Zymeworks Inc., Xencor, Zai Lab, Abivax SA, Aclaris Therapeutics, 89bio, Sensorion SA, Arcturus Therapeutics, and Voyager Therapeutics. He holds both a Ph.D. and CFA designation, and his track record includes coverage of numerous innovative biotech firms with a reported coverage universe market cap reaching billions, though specific public rankings such as TipRanks are not available. Charoensook began his analyst career in biotechnology and has played a key role at Leerink Partners since at least 2024, with earlier experience indicated by his ongoing coverage documents and professional credentials as a CFA charterholder. He is additionally registered with FINRA and maintains an active securities analyst license, distinguishing him as a recognized expert in the field.

Nat Charoensook's questions to Viking Therapeutics (VKTX) leadership

Nat Charoensook's questions to Viking Therapeutics (VKTX) leadership • Q2 2025

Question

Nat Charoensook, on for Thomas Smith of Leerink Partners, asked what the amylin agonist program would need to demonstrate in its Phase I trial, particularly relative to VK2735, to justify continued development.

Answer

President & CEO Brian Lian stated that the goal for the Phase I amylin study is to see an impact on body weight and to understand the tolerability profile. He noted that the industry has matured beyond focusing solely on 28-day weight loss data, and the decision to proceed will be based on the overall trajectory, safety, and tolerability.

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Nat Charoensook's questions to IMMUNIC (IMUX) leadership

Nat Charoensook's questions to IMMUNIC (IMUX) leadership • Q4 2023

Question

Inquired about the expectations for the ENSURE study's interim futility analysis, the criteria for continuing development in RMS, and details for the planned Phase 2 celiac disease trial, including gating factors, trial size, and potential endpoints.

Answer

The ENSURE interim analysis is strictly for futility and will not include biomarker data; it may result in a sample size adjustment. The Phase 2 celiac disease study is being designed with potential for other GI indications, but it is not yet funded and the company is seeking partnerships.

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