As a professor of finance, it is imperative to understand the concept of securities and their purchase. An offer to purchase securities is contingent upon the effectiveness of a registration statement, which is a document filed with the Securities and Exchange Commission (SEC) to disclose important information about the securities being offered to the public. Furthermore, the pricing of an Initial Public Offering (IPO) also plays a crucial role in this process. It is a complex yet essential aspect of the financial world that requires careful consideration and analysis.