No, you do not need to file Form 8949 if you have no adjustments or codes to report. However, you may still need to report the transactions on Schedule D of your tax return. If you have no capital gains or losses to report, you can simply check the box on line 1a of Schedule D indicating that you have no capital gains or losses to report. If you have other types of income or deductions to report, you will need to complete the rest of Schedule D as applicable.