Are escrow holdback funds reported on a 1099-B taxable?

In TurboTax Online, an IRS Form 1099-B entry may be added by following these steps:     

• Down the left side of the screen, click on Tax Home.              
• Click on the down arrow to the right of Review.
• Click on the blue band labeled Review.
• Down the left side of the screen, click Federal.
• Down the left side of the screen, click Wages & Income.
• Scroll down to Investments and Savings and click the down arrow to the right.
• Click to the right of Stocks, Cryptocurrency, Mutual Funds, Bonds, Other.
• Click Add investments.
• At the screen Let's import your tax info, click Enter a different way.
• Click on Stock, Bonds, Mutual funds for the investment through a financial institution. Click Continue.
• At the screen Which bank or brokerage is on your 1099-B, enter the information. Click Continue.
• Do these sales include any employee stock, click No.
• Do you have more than three sales on your 1099-B, click No.
• Do these sales include any other types of investments, click No.
• Did you buy every investment listed on your 1099-B, click Yes.  Click Continue.
• At the screen Now, choose how to enter your sales, select One by one.  Click Continue.
• At the screen Look for your sales on your 1099-B, click Continue.
• At the screen Now enter one sales total on this 1099-B, enter information. Click Continue.
• Repeat as necessary by clicking Add another sale.  Click Continue.

Is there a reason that the financial institution did not include the transaction?