If you sold the shares through a broker you should receive a Form 1099-B from the broker.
You can report the sale of your shares without a Form 1099-B using the path Federal>>Income & Expenses>>Stocks, Mutual Funds, Bonds, Other.
When you add the sale, it will ask you if you did or will receive a Form 1099-B. When you answer "No", TurboTax will walk you through the entry of your sale.
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