Form 8949 captures detail of every sale triggering a gain or loss, with all the details supporting the final calculation.
Coinbase One subscribers are eligible for a pre-filled Form 8949.
To download your Form 8949:
Sign in to your Coinbase account.
Click and select Taxes.
Click Generate next to 2021 - Form 8949 (PDF).
After it’s generated, click Download.
Note: You may see a notification that you have missing details in transactions. To resolve this, you can add the details before generating your Form 8949 or add them to the PDF later.
Learn more about Form 8949.