You should be able to import a 1099-B. Please see these Turbo Tax help articles.
Where do I enter a 1099-B?
https://ttlc.intuit.com/community/entering-importing/help/where-do-i-enter-a-1099-b/00/26612
How do I enter a large number of stock transactions?
https://ttlc.intuit.com/community/entering-importing/help/how-do-i-enter-a-large-number-of-stock-tra...
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