How to transfer your stocks to your broker with DTC (Depository Trust Company) code

If you want to transfer your stocks from one broker to another, most broker apps offer an easy to transfer option like TD Ameritrade screen shown below. However, I found that not every broker is searchable in a form like this, which might be especially true if you are trying to transfer Restricted Stock Units (RSU) or your company stocks.

Your brokerage might not be shown here if you use Computershare or company based broker