> Aren’t RSUs taxed at the time of grant? Therefore in a refresh grant, the employee would get hit with a large tax bill on the fair market price of the equity,

> Aren’t RSUs taxed at the time of grant? Therefore in a refresh grant, the employee would get hit with a large tax bill on the fair market price of the equity, even with an 83(b) election. Usually, some portion of the vested RSUs are sold to cover the tax liability, and the rest go into your investment account. The tax rate is the same as regular income.