A long-form agreement for the purchase and sale of preferred stock securities to be used in connection with a private equity transaction, such as a growth equity investment in a private corporation. It can also be adapted for the purchase and sale of other equity and debt securities, such as common stock, warrants, or debentures (or a combination of securities). This Standard Document is drafted in favor of the investor, with generally reasonable terms and provisions commonly included in this type of agreement. It has integrated notes with important explanations and drafting and negotiating tips.