The May 18 filing marks a pivotal transition for Design Therapeutics as it moves from early proof-of-concept toward a registrational strategy for DT-216P2. The data provides a strong initial signal of efficacy and target engagement, though the small cohort size leaves open questions regarding statistical significance. Investors are now looking toward the fourth quarter of 2026, when the company expects to provide a detailed update on its path to approval. The ultimate valuation of the asset will likely depend on whether these early gains can be replicated in a larger, controlled pivotal study and whether the liver safety signals remain transient.