The type of bond which investors would buy that they may choose to exchange their bond for shares of common stock in the company is known as convertible bonds.
What is a Bond?
This refers to the fixed income investment which is used to show that a loan is taken by either an individual or corporation.
With this in mind, if an investor wants to later exchange their bond for shares of common stock in the company, then they would have to buy convertible bonds,
Read more about convertible bonds here: