Yes, though most Uber employees (and tech company employees in the SF Bay Area in general) are going to be above the 22% bracket, and thus will owe more tax ins

Yes, though most Uber employees (and tech company employees in the SF Bay Area in general) are going to be above the 22% bracket, and thus will owe more tax instead of being owed a refund. This is especially likely if the employee is mostly vested and thus settling a large block of RSUs all at once.