A Stock Redemption Agreement between Corporation and Stockholder --Redemption on Death of Stockholder for Purpose of Payment of Estate Taxes is an agreement in which the corporation agrees to redeem (or buy back) a stockholder’s shares of stock upon their death in order to pay the applicable estate taxes. This type of agreement is typically used when the stockholder’s estate does not have sufficient liquid assets to pay the taxes. Types of Stock Redemption Agreement between Corporation and Stockholder --Redemption on Death of Stockholder for Purpose of Payment of Estate Taxes include: — Mandatory redemption: This is when the company is required to redeem the stock upon the death of the stockholder. — Voluntary redemption: This is when the company is not required to redeem the stock, but the stockholder requests it. — Partial redemption: This is when the company only redeems a portion of the stockholder’s shares— - Mandatory partial redemption: This is when the company is required to redeem a portion of the stockholder’s shares.