Why IPO Types Differ: 7 Structures from Traditional IPO to SPAC and Their Investor Protections

There is one condition only!!! Investor protection differs by IPO type.

IPO means a company sells shares to the public for the first time.

Retail investor: "Which IPO is safer?"

Understood. I will summarize only the protections that are actually disclosed by type.

How do we classify them?

1) Subscription method (equal allocation, proportional, bookbuilding), as allocation affects investor access and price discovery

2) Listing venue (KOSPI, KOSDAQ, KONEX), since disclosure standards and listing review criteria differ

3) Lead manager control, because pricing and bookbuilding operation vary

Seven main types and core investor protections

1) Traditional public offering (bookbuilding then general subscription)

• Bookbuilding finds an appropriate offer price, and equal/proportional allocation ensures retail participation

2) SPAC merger listing

• Merger disclosure and approval before exchange review make information disclosure mandatory

3) Direct listing (not to be confused with SPAC)

• Stronger listing review often enforces stricter management and financial verification

4) Listing or technology special exception listing

• Submission of external expert (auditor, evaluator) reports is often required

5) Overseas-oriented listing (ADR, overseas listing strategy)

• Dual reporting and foreign regulations can create additional disclosure obligations

6) Small offering / market-friendly type (targeting small investors)

• Measures exist such as preferential allocation for small investors or reduced minimum subscription

7) Offerings including convertible bonds (CB) or warrants

• Disclosure of conversion/exercise terms allows pre-assessment of dilution risk

What to check in disclosures

• Check risk factors, major shareholders and ownership structure, use of proceeds, and potential dilution elements.
• Lockup refers to the restricted selling period for major shareholders.

Why do offer price and allocation matter?

• A transparent pricing process reduces the risk of a sharp drop after listing.
• Allocation method determines how much retail investors receive and the direction of initial value.

So what to do first

→ 1. Read the prospectus first, and check lines on business risks and use of proceeds.

→ 2. Verify the allocation method, whether it is equal or proportional, and whether there is a small-investor preference.

→ 3. Check lockup and conversion terms to anticipate changes in float after listing.

Please use this as a reference only.

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※ This article is for information only and is not investment advice.
※ Investment decisions and responsibility rest with the investor.
※ Figures are as of the time of writing and may change.

This article is for information only and is not investment advice.