SEC Filing Summary

On April 23, 2026, a merger occurred between Day One Biopharmaceuticals, Inc. and Servier Pharmaceuticals LLC. As a result, all outstanding shares of Day One Biopharmaceuticals were acquired for $21.50 per share in cash. This transaction also led to the cancellation and conversion of all stock options and restricted stock units (RSUs) into the right to receive cash, equal to the merger consideration less any applicable exercise price for stock options. Notably, all unvested stock options and RSUs became fully vested immediately prior to the merger's effective time. Ramasastry Saira, a director, reported the disposition of 40,485 shares of common stock, as well as the disposition of various stock options and RSUs in connection with the merger. All post-transaction holdings for these instruments are reported as zero.