Yes, following the advice given by JohnB5677 in the Turbo Tax post, you will need to send the IRS the brokerage statements listing the individual sales if you summarized the sales. If the details involve a couple of hundred pages, then these will need to be included in the mailing.
If you e-file using summary totals, TurboTax will produce a Form 8453. You print the Form 8453 and attach the brokerage statement(s) to it.
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