How many copies of the preliminary prospectus must be filed with the SEC?

The correct answer is that five copies of the preliminary prospectus must be filed with the SEC. When a company intends to offer securities to the public, it is required to prepare a preliminary prospectus, also known as a "red herring." This document contains important information about the offering, including details about the company, the types of securities being offered, and the use of proceeds from the offer.

Filing five copies with the SEC ensures that there are enough documents for the reviewing analysts, legal counsel, and other necessary parties involved in the regulatory process. This requirement helps maintain transparency and allows for adequate review before the offering goes public.

The other options do not align with SEC regulations regarding the number of copies required for preliminary prospectuses. Understanding these requirements is crucial for compliance and effective communication in the securities offering process.