Form 4 Filing for Arcus Biosciences, Inc.

Nicole Lambert, a director at Arcus Biosciences, Inc. (RCUS), acquired 5,700 shares of Common Stock and was granted 16,900 stock options on June 11, 2026. The shares were acquired at no cost, and the stock options have an exercise price of $23.30 and vest fully on the earlier of June 11, 2027, or the next annual stockholders meeting. Both the shares and options will vest fully in the event of a change in control. Following these transactions, Lambert directly owns 43,000 shares of Common Stock and holds 16,900 stock options.