Enter the loss by reporting the whole transaction, including dates purchased and sold on form 1099-B. Same procedure applies for a long term capital gain not reported on a brokerage statement.
To
enter an investment sale, follow the
steps below.
• Click
on Federal Taxes (Personal using Home and Business)
• Click
on Wages and Income (Personal Income using Home and Business)
• Click
on I'll choose what I work on (if shown)
• Under
Investment Income
• On
Stocks, Mutual Funds, Bonds, Other, click the start or update
button