Arcus Biosciences, Inc. announced that on March 17, 2026, Jennifer Jarrett notified Arcus Biosciences, Inc. of her decision to resign from her position as Chief Operating Officer, effective as of March 30, 2026. The Company and Ms. Jarrett entered into a separation agreement pursuant to which Ms. Jarrett will make herself available for periodic advisory services for a period through June 30, 2026. The separation agreement also contains a standard release of claims.