Key Takeaways
- Reports capital asset sales and dispositions.
- Separates short-term and long-term transactions.
- Adjusts gains/losses with specific codes.
- Totals feed into Schedule D for taxes.
What is Form 8949?
Form 8949 is an IRS tax document used to report sales and other dispositions of capital assets, including stocks, bonds, and real estate. It helps taxpayers reconcile amounts reported on Forms 1099-B with their own records to accurately calculate capital gains or losses for tax purposes.
This form categorizes transactions into short-term and long-term, feeding totals into Schedule D (Form 1040) to determine your overall tax liability on capital gains.
Key Characteristics
Form 8949 organizes detailed information on each capital asset transaction. Key points include:
- Transaction details: Includes description, acquisition and sale dates, proceeds, and cost basis, with adjustments as needed.
- Classification: Separates short-term (held ≤1 year) and long-term (held >1 year) transactions into Parts I and II.
- Adjustment codes: Uses specific codes to explain basis reporting issues, wash sales, or nondeductible losses.
- Multiple forms: Required if transactions exceed one page; totals are summarized on Schedule D.
- Basis reporting: Different boxes (A–L) indicate whether basis was reported to the IRS on your Form 1099-B.
How It Works
When you sell a capital asset, you record the transaction on Form 8949 with precise details: the asset description, dates acquired and sold, proceeds, cost basis, and any necessary adjustments. The form requires you to select the appropriate box based on how the transaction was reported to the IRS, which affects how you report your gains or losses.
Adjustments for wash sales or nondeductible losses modify your reported gain or loss, ensuring accuracy. Once completed, Form 8949 totals feed into Schedule D to determine your taxable capital gain or loss. This process is essential for taxpayers, including day traders, who manage multiple transactions.
Examples and Use Cases
Form 8949 applies to a wide range of capital asset sales, including stocks and ETFs.
- Stock sales: Selling 100 shares of SPY or individual companies like Delta requires reporting on Form 8949 to detail the cost basis and sale proceeds.
- Dividend reinvestments: When dividends from dividend stocks are reinvested, each transaction may need separate reporting on Form 8949.
- Multiple transactions: Investors with numerous trades, such as those using ETFs discussed in best ETFs guides, must carefully aggregate and report each event.
Important Considerations
Accurate reporting on Form 8949 is crucial to avoid IRS discrepancies, especially if your cost basis differs from what brokers report. Keep thorough records of purchase prices and fees to calculate your fair market value correctly.
Remember, if all transactions fall under the same reporting category with no adjustments, you may check the appropriate box and enter totals without listing each sale. Consult tax professionals or use reliable software to handle complex cases and ensure compliance.
Final Words
Accurately completing Form 8949 is essential for reporting your capital asset sales and ensuring your tax return matches IRS records. Review your 1099-B statements carefully and organize your transactions by short-term and long-term to streamline this process. Consider consulting a tax professional if you have complex adjustments or multiple transactions.
Frequently Asked Questions
Form 8949 is used to report sales and other dispositions of capital assets like stocks, bonds, and real estate. It helps reconcile amounts reported to you and the IRS on Forms 1099-B, and it feeds totals into Schedule D to calculate your overall capital gains or losses.
You need to file Form 8949 if you sold capital assets such as stocks, mutual funds, or cryptocurrency, especially when the cost basis wasn’t reported to the IRS or if you have adjustments like wash sales or nondeductible losses. If all your transactions fall into one reporting box and no adjustments are needed, you might be able to skip detailed reporting and just check the appropriate box.
Form 8949 is divided into two parts: Part I for short-term transactions held one year or less, and Part II for long-term transactions held more than one year. Each part requires checking a box that corresponds to how your transactions were reported on your 1099-B, and you list details like description, dates, proceeds, cost basis, and any adjustments.
Boxes A, B, and C in Part I indicate whether your basis was reported to the IRS and if you received a 1099-B. Box A means basis was reported and you got a 1099-B, B means basis was reported but no 1099-B was provided, and C means basis was not reported to the IRS and no 1099-B was provided.
Adjustment codes like B, E, L, N, P, and W are used in column (f) to explain changes to your gain or loss. For example, B indicates basis not reported to the IRS, E covers selling expenses not on your 1099-B, L is for nondeductible losses, and W denotes wash sale losses that are disallowed.
Yes, if you have many capital asset transactions or are filing a joint return, you can use multiple Form 8949s. Just be sure to combine totals correctly on Schedule D, and if you run out of space, you can attach a statement with additional transactions, using code M in the adjustment column.
Wash sales, which are disallowed losses due to repurchasing the same security within 30 days, must be reported on Form 8949 using the adjustment code W. You enter a positive amount in the adjustment column to offset the loss that the IRS disallows.
For each transaction, you should include a description of the asset, the date acquired, date sold or disposed, sales proceeds, cost or other basis, any adjustment codes with amounts, and your resulting gain or loss. This detailed info helps the IRS verify your reported capital gains or losses.


