Form 4 Filing for Arcus Biosciences, Inc. - Insider Transaction

This filing details a Form 4 submitted by Antoni Ribas, a director at Arcus Biosciences, Inc. (RCUS). On June 11, 2026, Ribas acquired 5,700 shares of Common Stock and was granted a Stock Option to buy 16,900 shares. The Common Stock acquisition, marked with footnote F1, vests fully on the earlier of June 11, 2027, or the next annual stockholders' meeting, and becomes fully vested upon a change in control. Similarly, the stock option, detailed under footnote F2, vests and becomes exercisable under the same conditions. Both transactions had a price per share of $0.00. Post-transaction, Ribas holds 44,300 shares of Common Stock directly and 8,553 shares indirectly by trust. The option, with an exercise price of $23.30, has 16,900 shares owned following the transaction.