Glossary term

Securities Act of 1933

The Securities Act of 1933 is a federal law that governs securities offerings and requires key disclosures for many public securities sales.

Updated

May 17, 2026

Read time

3 min read

What Is the Securities Act of 1933?

The Securities Act of 1933 is a federal law that governs many offers and sales of securities in the United States. It is often described as the truth-in-securities law because its core purpose is to require important disclosure when securities are offered to investors.

The Act does not guarantee that an investment is safe or profitable. It is designed to give investors material information and create liability for certain false or misleading disclosures.

Key Takeaways

  • The Securities Act of 1933 governs many securities offerings.
  • It generally requires securities offered to the public to be registered unless an exemption applies.
  • Registration focuses on disclosure, not government approval of investment quality.
  • The Act helps investors evaluate risks before buying newly offered securities.
  • Private placements and other exempt offerings can still carry significant investor risk.

How the Act Works

When a company offers securities to the public, it usually must file a registration statement with the SEC and provide a prospectus to investors. The disclosure can include information about the company, management, financial statements, use of proceeds, business risks, and the securities being offered.

Some offerings are exempt from registration. Exempt offerings can reduce regulatory burden for issuers, but they may also provide less public information and may be limited to certain investors or transaction types.

Public Offering Versus Exempt Offering

Offering type

Typical disclosure path

Investor issue

Registered public offering

SEC registration statement and prospectus

Review the disclosures and risks before buying

Exempt offering

Registration exemption, often with narrower disclosure

Understand eligibility, liquidity limits, and information gaps

Where Investors Encounter It

The Act is most visible when a company goes public, sells securities in a registered offering, or files offering documents with the SEC. It also sits in the background when an issuer relies on a private-offering exemption instead of registering the securities.

For an investor, the practical question is whether the offering documents provide enough information to evaluate the business, the security, the use of proceeds, dilution, fees, conflicts, and downside risk.

What Investors Should Notice

The Securities Act of 1933 makes disclosure central, but disclosure is not the same as endorsement. The SEC does not approve the merits of a security just because a registration statement is filed or declared effective.

Investors should still read the prospectus, understand the business, review the risks, and consider whether the security fits their goals and tolerance for loss.

The Bottom Line

The Securities Act of 1933 is the foundational U.S. law for securities offering disclosure. It helps investors receive material information before buying securities, but it does not remove investment risk or replace due diligence.

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