Erasca COO Nicholas Chetwyn to exit Nov 2 as company realigns leadership for RAS programs

Erasca, Inc.

Chief Operating Officer Nicholas (Nik) Chetwyn, Ph.D. will terminate employment effective November 2, 2026; Erasca decided on the realignment October 15, 2026.
COO responsibilities are transitioning to other members of the leadership team to streamline the reporting structure; no successor was named.
Erasca said the change supports development and potential commercialization of its RAS-targeting programs.
Filing discloses no severance, transition agreement, or compensation terms for Chetwyn's departure.

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