William Grossman SEC Filing Summary

On April 23, 2026, William Grossman, a director at Day One Biopharmaceuticals, Inc., reported transactions involving stock options and restricted stock units (RSUs). These securities were fully vested and subsequently canceled as part of a merger. The merger agreement, entered into on March 6, 2026, involved Servier Pharmaceuticals LLC acquiring Day One Biopharmaceuticals, Inc. As a result of the merger, all outstanding unvested stock options and RSUs became fully vested immediately prior to the effective time of the merger. At the effective time, each stock option and RSU was converted into the right to receive a cash payment equal to the merger consideration. Specifically, stock options converted into the difference between the merger consideration and their exercise price, while RSUs converted into the merger consideration. The transactions reported include the disposal of 66,660 stock options with an exercise price of $8.99, 32,335 stock options with an exercise price of $8.99, 22,500 stock options with an exercise price of $7.01, and 15,000 RSUs.