Get your taxes done using TurboTax
If you know your correct Cost Basis, you can choose 'Stock (non-employee' and enter as a regular stock sale.
If your 1099-B has an incorrect amount (or $0), just check the box to indicate that you 'my 1099-b has a missing or incorrect cost basis' , then you'll enter the correct amount a couple screens later.
The Employee choices are to help guide those who may not know the correct Cost Basis of the shares they sold.
Here's How to Enter 1099-B.
Otherwise, you could choose ESPP. Here's more details about Employee Stock Purchase Plans.
