If you exercise ISO's and do not sell any the stock acquired by 12/31 of the year of exercise then you need to enter the exercise using the "ISO Exercise and Hold" interview. Your "source" document for this should be Form 3921 provided to you by your employer.
1. In TurboTax go to
2. Personal
3. Personal Income
4. Investment Income
5. ISO Exercise and Hold
-follow these link(s) for additional information-
Incentive Stock Options - TurboTax Tax Tips & Videos
About Form 3921, Exercise of an Incentive Stock Option Under ...
