Unfortunately you do have to include a detail of all stocks sold. Most softwares nowadays allow you to import the data from a spreadsheet. If you paper file you might want to just print your spreadsheet and attach it to the back of Schedule D. You can also find additional information and a more in depth analysis of a CP2000 letter here http://www.mycpa.net/press/73.html There is actually a PDF of an actual CP2000 and the article explains each item from within the letter.