What Is a Prospectus?
A prospectus is the formal disclosure document delivered to investors in a registered public offering. It describes the business, the securities being sold, the terms of the offering, and the risks of investing — and it is the document on which the issuer and its underwriters bear legal liability if something material is wrong or missing.
In an IPO, the prospectus is Part I of the registration statement filed with the SEC. It exists because the Securities Act of 1933 took a particular view about how to protect investors: not by vetting investments, but by compelling disclosure and making people answerable for it.
Why does a prospectus exist at all?
The 1933 Act was written in the wake of the 1929 crash, and Congress had a choice between two models of investor protection.
One option was merit review: a regulator decides whether an offering is a fair deal and blocks the ones that aren't. Several US states had already tried versions of this under their blue sky laws.
The other was disclosure: require the issuer to tell investors everything material, hold it liable for getting that wrong, and let investors decide. Congress chose disclosure.
Everything about how a prospectus reads follows from that choice. It is not a marketing brochure with legal sections attached. It is a liability document that also has to sell something — which is why the summary is fluent and the risk factors are exhaustive, and why both are in the same book.
Who is a prospectus actually written for?
Three audiences at once, which explains most of its oddities.
Investors, nominally. The document must convey what a reasonable investor needs to know.
Litigators, in practice. Section 11 of the Securities Act allows purchasers to sue over material misstatements or omissions in a registration statement, and the standard is demanding. Every risk factor you find tedious is there because somebody concluded that not saying it was riskier than saying it.
The SEC staff, during review. Much of the structure exists to demonstrate compliance with specific line items in Regulation S-K and Regulation S-X.
Once you know this, the document becomes far easier to read. The parts written for investors are the business section and the MD&A. The parts written for litigators are the risk factors and the forward-looking statements notice. The parts written for the SEC are the ones that feel like a form being filled in, because they are.
What is the difference between a preliminary and a final prospectus?
The preliminary prospectus circulates during marketing, before the deal is priced. It contains everything except the final terms: no fixed price, an indicative range, an estimated share count. It carries a legend on the cover stating that the registration statement has not yet become effective and that the securities may not be sold until it does. That legend was traditionally printed in red ink, which is why the document is universally called a red herring.
The final prospectus is filed after pricing, usually on Form 424B4, with real numbers in place of estimates. This is the statutory prospectus for the offering — the version that governs and the version delivered to purchasers.
See Red herring prospectus · S-1 vs. 424B4.
What is in a prospectus?
In the order you'll find it:
Cover page. Shares, price, banks, exchange, ticker, and the three-column table showing price to public, underwriting discount, and proceeds.
Summary. The business and the offering in a few pages. The most readable section and the most carefully constructed.
Risk factors. Ordered with intent. The first several usually matter; the tail is often generic.
Use of proceeds. What the money is for, and an explicit statement that the company receives nothing from shares sold by selling stockholders.
Capitalisation and dilution. The balance sheet before and after, and what new investors pay relative to book value.
MD&A. Management explaining its own financial results. Frequently the most informative section in the document.
Business. The full description: what the company does, its markets, competition, customers, intellectual property, employees, regulation.
Management, compensation, and related party transactions. Who runs it, what they're paid, and what deals they've done with the company.
Principal and selling stockholders. Ownership before and after.
Description of capital stock. Share classes, voting rights, and anything that affects what your shares are worth in governance terms.
Shares eligible for future sale. The overhang, including lock-up terms.
Underwriting. Syndicate, fees, over-allotment, stabilisation, lock-ups.
Financial statements. Audited, at the back.
See How to read an IPO prospectus.
Does a prospectus tell you whether an investment is good?
No, and it isn't trying to. It tells you what the company is legally required to disclose, written by people whose incentive is to disclose enough to be defensible while presenting the business favourably.
Specifically, a prospectus will not tell you:
- Whether the price is fair. Valuation isn't a disclosure item. The dilution section tells you what you're paying relative to book value, which is a different question.
- Which risks are likely. Risk factors are a list of possibilities, not probabilities, and they are not ranked by likelihood. A company facing one serious risk and twenty trivial ones must disclose all twenty-one.
- How the business will perform. Forward-looking statements are hedged into meaninglessness, deliberately, because the hedging is what makes them defensible.
- What management actually thinks. The MD&A comes closest, and reading several years of a company's MD&A after it's public is one of the better ways to see whether it tells the truth about bad quarters.
Is the prospectus approved by the SEC?
No. SEC staff review it for compliance with disclosure requirements and then declare the registration statement effective. They do not evaluate the merits of the offering, the reasonableness of the price, or the prospects of the business.
Every prospectus cover carries a legend saying exactly this, in language mandated by Regulation S-K. It is the most frequently overlooked sentence in the document.
See The SEC does not approve IPOs.
Do prospectuses exist outside IPOs?
Yes. Any registered public offering of securities requires one: follow-on equity offerings, bond offerings, and the continuous offerings of mutual funds and ETFs, which is where most people encounter the word.
A fund prospectus and an IPO prospectus serve the same statutory purpose but read entirely differently, because a fund is selling a strategy and a company is selling itself.
Quick answers
How long is an IPO prospectus? Commonly 200 to 400 pages including financial statements.
Do I have to read the whole thing? No. A structured first pass takes about half an hour. See How to read an IPO prospectus.
Is it free? Yes. All registration statements and prospectuses are on EDGAR at no cost.
Who writes it? Company management and issuer's counsel, with input from underwriters' counsel and auditors. The banks shape the summary heavily.
Why is it called a red herring? From the cautionary legend printed in red ink on the preliminary version's cover.
Is the prospectus the same as the S-1? The prospectus is Part I of the S-1. The S-1 is the complete registration statement. See What is an S-1?.
Can a prospectus be wrong? It can, and Section 11 of the Securities Act exists precisely because it sometimes is. See Section 11 liability.
Related
What is an S-1? · What is Form 424B4? · How to read an IPO prospectus · Red herring prospectus · IPO risk factors · Use of proceeds
Sources
- Securities Act of 1933, including Sections 5, 10, and 11
- Regulation S-K (disclosure items, including Item 501 cover page requirements) and Regulation S-X
- SEC guidance on the registration and review process
- Issuer prospectuses filed on EDGAR