Form S-3
Form S-3 is the short-form SEC registration statement eligible reporting companies use for shelf offerings, letting them incorporate existing filings by reference and sell securities quickly.
Last verifiedWhat it is
Form S-3 is a registration statement for companies that already report to the SEC. It is short because, instead of repeating the business description and financial statements, it incorporates the company's 10-K, 10-Qs and 8-Ks by reference. That makes it the usual vehicle for a shelf registration.
Who can use it
The general eligibility requirements include being a reporting company for at least 12 months and having filed all required reports on time during that period. Then the transaction requirements decide how much a company can sell:
- I.B.1: companies with at least $75 million of public float can make primary offerings without a size limit.
- I.B.6: companies below $75 million can still make primary offerings, but are capped at one-third of public float in any 12 months (the baby shelf rule), and must have a class of common equity listed on a national exchange.
- I.B.3: secondary (resale) offerings by selling shareholders, for securities of a listed class.
Why it matters
Losing S-3 eligibility, for example by filing a 10-K or 10-Q late, pushes a company to the longer Form S-1 for new registrations, which is slower and more expensive to keep current. An effective S-3 shelf, by contrast, lets a company price an offering overnight.
Worked example
Hypothetical: Company X files its 10-Q five days late in May. For the following 12 months it fails the timely-filing requirement, so a new shelf would have to be on Form S-1 instead of S-3.
How to spot it
On EDGAR, look for form type S-3, its amendments (S-3/A) and the SEC's effectiveness notice (EFFECT). The registration fee table shows the maximum aggregate amount. See S-1 vs S-3 and the baby shelf.
See it on DilutionScan
Companies DilutionScan covers, with the instruments read from their SEC filings. Open one to see each instrument and the filing it came from.
- GNSGenius Group Limited8 warrant series, 1 convertible, 1 ATM program, 3 shelf registrations and 2 completed offerings on file
- SMXSMX (Security Matters) Public Limited Company Ordinary Shares10 warrant series, 8 convertibles, 2 equity lines, 4 shelf registrations, 4 S-1 registrations and 2 completed offerings on file
- MLGOMicroAlgo, Inc. Ordinary Shares2 warrant series, 5 convertibles and 2 shelf registrations on file
- HOLOMicroCloud Hologram Inc. Ordinary Shares2 warrant series, 1 convertible, 3 shelf registrations and 2 completed offerings on file
Guides that use this term
- Baby Shelf Rule Explained: S-3 I.B.6 vs Form S-1The baby shelf rule explained: how Form S-1 and S-3 differ, who can use a shelf, and how I.B.6 caps sales at one-third of public float per 12 months.
- What Is an ATM Offering? At-the-Market Sales ExplainedWhat an at-the-market (ATM) offering is, how the sales agreement and 424B5 work, how fast an ATM can sell shares, and where its sales show up in later filings.
- How to Read a 424B5 Prospectus SupplementHow to read a 424B5 prospectus supplement in five minutes: the cover, offering summary, dilution table, plan of distribution and baby shelf paragraph, in order.
- NT 10-K and NT 10-Q Late Filing Notices ExplainedNT 10-K and NT 10-Q explained: the Rule 12b-25 extension of 15 or 5 days, what the notice must disclose, and what happens if the report is still late.
- Form S-1 Explained: IPO vs Resale RegistrationForm S-1 explained: IPO vs resale S-1 registrations, how an S-1 moves through S-1/A amendments to effectiveness, and what the 424B4 and 424B3 prospectuses mean.
- S-3 vs S-8: Capital-Raising Shelf or Employee Stock Plan RegistrationForm S-3 registers securities a company can sell to raise cash; Form S-8 registers shares for employee equity plans. Who can file each and what each means.
Related terms
Check any ticker for dilution
DilutionScan reads each covered company's SEC filings and lists its warrants, convertibles, ATM programs, shelves and S-1s on one page, with a dilution rating and cash runway.
Definition from the Signal8 Academy glossary. Educational content only. DilutionScan and Signal8 are not broker-dealers or investment advisers, and nothing here is a recommendation to buy or sell any security.