selling stock certificates without a broker. Home / selling stock certificates without a broker. How do i sell my shares? davids355 March 21 , 2019 Buying and Selling Shares, Stocks and Shares Comments Off on How do i sell my shares? 5845 views. How do I sell my shares without a broker? The practical answer to this is you can’t. Home » Investing » Tools » What You Should Do If You Lose Stock Certificates. What You Should Do If You Lose Stock Certificates. The only trouble arises if you ever do want to sell your shares — you need to sign over the stock certificates, just like you would endorse a check. The Best Online Stock Broker Comparison Tool. To buy stock without a broker, start by opening a brokerage account online, using a website like E-Trade or TD Ameritrade. Then, put money in your account by sending in a check or completing an electronic funds transfer. Once there is money in your account, find the trading platform on the brokerage website to begin buying and selling stocks.