Erasca COO Nicholas Chetwyn Departs Effective Nov. 2

Erasca Chief Operating Officer Nicholas (Nik) Chetwyn’s employment will end effective November 2, 2026. The leadership realignment, decided October 15, 2026, aims to support development and potential commercialization of RAS-targeting programs. Chetwyn’s responsibilities are transitioning to other leadership team members to streamline the reporting structure. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Erasca Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-423433), on October 16, 2026, and is solely responsible for the information contained therein. (C)