An S-3 registration is a streamlined SEC registration form available to seasoned public companies meeting specific eligibility requirements. Used for follow-on offerings, secondary offerings, demand registrations, and shelf registrations, it requires the company to have been public for at least 12 months, be current with SEC filings, and meet public float thresholds, providing a much more efficient registration process than the full Form S-1. It is the registration vehicle that makes ongoing capital-markets activity (additional stock issuances, secondary sales by major holders) practical for established public companies.
The eligibility requirements for S-3 registration: