JohnB5677
Employee Tax Expert

Get your taxes done using TurboTax

That depends.  

  • What did you use for a cost basis when you entered the 1099-B. 
  • In addition to the fees listed on the 1099-B, the Basis should have included the fair market value of the shares when you originally received them.
  • If it does, you do not have to amend.
  • If it doesn't, you will have to amend your return.
  • The change will be to the 1099-B section of the return.
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