Which of the following statements regarding nonqualified stock options $($NQSOs$)$ is correct?

A$)$

The exercise of NQSOs does not create taxable income.

B$)$

Unlike incentive stock options, NQSOs are publicly traded.

C$)$

The NQSO is taxable to the recipient at the time of exercise to the extent of the difference between the fair market value of the stock and the exercise price.

D$)$

The NQSO is taxable to the recipient at the time of grant to the extent of the difference between the fair market value of the stock and the grant price.