A share purchase agreement also contains payment details, for example. B if a deposit is required, when full payment is due and the closing date of the agreement. Shares (or shares) are ownership shares in a company that are distributed among shareholders (also called shareholders). For both buyers and sellers of shares in the company, establishing a share purchase agreement is a great way to protect your rights and obligations. By depreciating the value of each share and setting a sale date, you have some certainty that the sale of shares will take place. You also have a written record if there are any questions about the agreement. For example, if you and two partner partners are all equally involved in a business and a partner wishes to resign, a share purchase agreement can be used to purchase the affiliate`s shares.