An asset sale is the purchase of individual assets and liabilities, whereas a stock sale is the purchase of the owner's shares of a corporation. Asset Sale lets buyers choose specific assets and liabilities; Stock Sale doesn't.Learn the tax implications for each type of sale. While an asset sale outshines a stock sale in company structure support, it loses a fair amount of points when it comes to tax implications. An asset sale transaction involves the sale of some or all of the assets used in a business from a selling company to a buyer. In an asset sale, you can either sell the property as part of the deal or retain it.