SEC Form 424B3

DEFINITION of 'SEC Form 424B3'

The prospectus form that a company is required to file, detailing the information that created a significant change from previously-supplied information provided in the company's prior prospectus filed with the SEC. Companies are required to file prospectus form 424B3 in accordance with Rule 424(b)(3) of the Securities Exchange Act of 1933.

BREAKING DOWN 'SEC Form 424B3'

The Securities Exchange Act of 1933 was created to help investors make informed decisions by requiring securities issuers to complete and file registration statements (including financial and material information) with the SEC before making an issue available for purchase by the public. Often, registration statements filings required under the Securities Exchange Act of 1933 are also registration statements under the Investment Company Act of 1940.