You will have to determine when the stock was given to you in order to determine if you have short or long term capital. You should attempt to be as close to the date you were given the stock as you possibly can be.
Property held for more than one year, your gain or loss will be taxed as long-term capital gain or loss.
Property you've held for one year or less, your capital gain or loss will be taxed as a short-term capital gain or loss.
