As an active investor, be aware that your category Box A or Box D sales without adjustments do not require Form 8949, so there is no reason to import or key in those transactions.
Instead use the "enter a summary" option to put your numbers on Schedule D Line 1a or Line 8a.
Category A and D are the covered transactions.
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the detail reporting rule (explained in IRS instructions) is :
a) covered transactions without adjustments do not require Form 8949.
b) covered transactions with adjustments (i.e. wash sales) must be detailed on some 8949 or your other forms in the manner of 8949.
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If you aggregate a) no mailing is necessary. the totals appear on Schedule D line 1a or 8a.
If you aggregate b) or aggregate other categories (BC, EF) either attach details to mailed return or mail in the details after e-File. the b) totals appear on Schedule D line 1b or 8b.
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