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Glossary

Reg S Offering

A Reg S Offering is an exemption from U.S. securities registration requirements for offers and sales made outside the United States to non-U.S. persons.
Chainscore © 2026
definition
SECURITIES REGULATION

What is a Reg S Offering?

A Reg S Offering is a securities issuance conducted under Regulation S, a safe harbor rule that exempts offerings made outside the United States from the registration requirements of the Securities Act of 1933.

A Regulation S (Reg S) Offering is a securities issuance conducted under a safe harbor rule established by the U.S. Securities and Exchange Commission (SEC). It provides an exemption from the stringent registration requirements of the Securities Act of 1933 for offerings made outside the United States. This allows U.S. and foreign companies to raise capital from non-U.S. investors without undergoing the costly and time-consuming SEC registration process, provided the offering complies with specific territorial restrictions and procedural safeguards.

The regulation is structured around two fundamental principles: the offshore transaction requirement and the directed selling efforts restriction. The offering must be executed in an offshore transaction, meaning all offers and sales must occur outside the United States. Furthermore, the issuer cannot engage in any directed selling efforts to condition the U.S. market, such as advertising or promotional activities targeted at U.S. persons. Reg S categorizes issuers into three distinct classes—Category 1, 2, and 3—each with its own set of compliance rules regarding resale restrictions and disclosure obligations.

In the context of digital assets and blockchain, Reg S has become a common framework for Security Token Offerings (STOs) and other crypto-related capital raises targeting international investors. For example, a blockchain project based in the U.S. might structure its token sale as a Reg S offering to accredited investors in Europe and Asia, while simultaneously running a separate, registered offering (like a Reg D 506(c)) for U.S.-based investors. This dual-structure approach is a standard practice in global crypto finance.

Key compliance mechanisms include imposing lock-up periods on securities sold under Reg S to prevent immediate flowback into the U.S. markets. For riskier issuers (Category 3), these restrictions can last up to one year. The regulation also requires distributors and dealers to certify they are not selling to U.S. persons. Failure to adhere to these rules can result in the loss of the safe harbor, potentially triggering registration violations and SEC enforcement actions.

While facilitating global capital formation, Reg S offerings place the onus on issuers to implement robust investor verification (KYC) and geographic blocking procedures to ensure compliance. It is often used in tandem with other exemptions like Reg D for a comprehensive fundraising strategy. Understanding the boundaries of this exemption is critical for legal counsel and financial engineers structuring cross-border deals in both traditional finance and the evolving digital asset ecosystem.

etymology
SECURITIES LAW

Etymology and Origin

The term "Reg S" originates from a specific regulation issued by the U.S. Securities and Exchange Commission (SEC), establishing a legal framework for securities offerings conducted outside the United States.

Regulation S (Reg S) is a legal term of art derived from the Securities Act of 1933. It refers to a set of rules, formally adopted by the U.S. Securities and Exchange Commission (SEC) in 1990, that provides a safe harbor from the registration requirements of Section 5 of the Act. The regulation's core purpose is to clarify that the U.S. securities laws' registration mandates apply only to offers and sales that occur within the United States. This created a defined pathway for issuers, both U.S. and foreign, to raise capital through securities offerings targeted exclusively at non-U.S. investors.

The genesis of Reg S lies in addressing legal ambiguity and facilitating global capital formation. Prior to its adoption, the jurisdictional reach of U.S. securities laws for offshore transactions was uncertain, creating compliance risks for international finance. The SEC promulgated Reg S to establish two key jurisdictional prerequisites: the offshore transaction requirement and the no directed selling efforts requirement. These rules ensure the offering is genuinely extraterritorial, preventing it from being a mere conduit to indirectly access the U.S. public markets without proper registration. The "S" simply denotes it as a specific Regulation within the SEC's codified rules.

In the context of blockchain and digital assets, the term "Reg S Offering" has been adopted to describe token generation events (TGEs) or security token offerings (STOs) structured to comply with this exemption. For crypto projects, this often involves implementing strict geographic blocking (e.g., IP address and KYC verification) to prevent U.S. persons from participating, and crafting offering documents that adhere to the regulation's stipulations. This allows projects to access international institutional and accredited investor capital pools while navigating the complex U.S. regulatory landscape. The adaptation of this traditional finance term underscores the industry's efforts to leverage established securities law frameworks.

key-features
SECURITIES OFFERING

Key Features of Reg S

Regulation S (Reg S) is a U.S. Securities and Exchange Commission (SEC) safe harbor that defines when an offering of securities is considered to occur outside the United States and is therefore exempt from the registration requirements of the Securities Act of 1933.

01

Offshore Transaction Requirement

The offering must be an offshore transaction. This means no directed selling efforts are made in the United States, and the securities are sold to buyers outside the U.S. at the time of the buy order. The rule is designed to ensure the offering is genuinely international, preventing circumvention of U.S. registration for domestic sales.

02

Two Safe Harbor Categories

Reg S establishes two categories of issuers with different restrictions:

  • Category I: Issuers with no substantial U.S. market interest in their securities (e.g., foreign issuers). No resale restrictions apply.
  • Category II: Foreign issuers with a U.S. market interest, and U.S. domestic issuers. Securities are subject to a 40-day distribution compliance period where they cannot be offered or sold to U.S. persons.
  • Category III: Higher-risk issuers (e.g., reporting shell companies). Subject to a one-year restricted period and additional selling restrictions.
03

Restricted vs. Registered Securities

Securities issued under Reg S are typically restricted securities for a defined period (the distribution compliance period). During this time, they cannot be resold into the United States or to U.S. persons without registration or another exemption. After the restriction period expires, they may be resold, subject to other securities laws. This is distinct from registered securities, which are freely tradable on U.S. exchanges.

04

Prohibition on Directed Selling Efforts

Issuers and distributors are prohibited from engaging in directed selling efforts. This includes any activity that could condition the U.S. market for the securities, such as advertising in U.S. media, seminars targeting U.S. investors, or mailing offers to U.S. addresses. All promotional activities must be conducted outside the United States.

05

Common Use in Crypto & Blockchain

Reg S is frequently used by blockchain projects for initial coin offerings (ICOs) and token sales to non-U.S. investors. It allows projects to raise capital globally while complying with U.S. securities law by excluding U.S. participants. Purchasers must complete an accreditation or non-U.S. person certification (e.g., a Rule 902(k) certification) to prove their eligibility.

06

Integration with Regulation D

Issuers often conduct a combined Reg S/Reg D offering to raise capital from both non-U.S. (Reg S) and accredited U.S. (Reg D, e.g., Rule 506(c)) investors simultaneously. The offerings must be structured to avoid integration, meaning they are treated as separate exempt offerings. This is a common strategy for maximizing the investor pool while maintaining regulatory compliance.

how-it-works
SECURITIES REGULATION

How a Reg S Offering Works

A Reg S offering is a mechanism for U.S. companies to raise capital by selling securities exclusively to non-U.S. investors outside the United States, bypassing the registration requirements of the Securities Act of 1933.

A Regulation S (Reg S) offering is a securities exemption under the U.S. Securities Act of 1933 that allows issuers to sell securities to investors located outside the United States without registering the offering with the Securities and Exchange Commission (SEC). The core principle is that the offering must be an "offshore transaction" where no offers or sales are made to a person in the United States. This exemption is crucial for global capital formation, enabling companies to tap into international investor pools while complying with U.S. law. It is commonly used for offerings of equity, debt, and increasingly, security tokens in the blockchain space.

The regulatory framework establishes two distinct categories, or "safe harbors," for issuers: Rule 903 for the issuer and Rule 904 for resales by distributors. Rule 903 imposes specific conditions, including implementing offering restrictions to prevent flow-back of securities into the U.S. and requiring all offers and sales to occur in an offshore transaction. For example, a U.S.-based blockchain project might conduct a Reg S token sale exclusively through a platform that verifies investor non-U.S. status via KYC/AML checks and geo-blocks U.S. IP addresses. Distributors and dealers must adhere to Rule 904's conditions when reselling the securities.

A critical component is preventing "directed selling efforts" in the United States. This means the issuer cannot engage in any form of marketing or promotional activity targeted at the U.S. market. All offering materials must clearly state that the securities have not been registered and cannot be offered or sold in the U.S. or to U.S. persons. Furthermore, securities sold under Reg S are typically subject to a distribution compliance period—a lock-up period (often 40 days for debt and 6 months or 1 year for equity) during which they cannot be sold back into the United States, a rule designed to prevent immediate flow-back.

In the context of digital assets, Reg S has become a foundational framework for Security Token Offerings (STOs) targeting a global audience. Issuers structure their sales to comply with both Reg S and the regulations of the investors' home jurisdictions. This often involves partnering with licensed offshore platforms, implementing robust investor accreditation checks, and using blockchain-based transfer restrictions to enforce the distribution compliance period programmatically. The exemption allows projects to access capital efficiently while providing a clear, compliant path for international investors.

While Reg S provides a vital pathway for offshore capital raising, it requires meticulous legal structuring and ongoing compliance. Issuers must maintain the offshore nature of the offering throughout the process and ensure all parties adhere to the resale restrictions. Failure to comply can result in the loss of the exemption, potential SEC enforcement actions, and rescission rights for investors. Consequently, engaging experienced securities counsel is essential to navigate the nuances of Regulation S, Rule 144A (for qualified institutional buyers), and other applicable exemptions in a coordinated global offering strategy.

categories-of-issuers
REGULATION S

Categories of Issuers Under Reg S

Regulation S provides a safe harbor from SEC registration for securities offerings made outside the United States. The specific rules and restrictions an issuer must follow depend on its classification.

01

U.S. Issuers (Category 1)

This category includes U.S. domestic issuers with no substantial U.S. market interest in their securities. They face the most restrictive rules, including a 40-day distribution compliance period and a prohibition on offering to, or selling for the account of, a U.S. person. These issuers are typically conducting an overseas-directed offering.

02

Foreign Issuers (Category 2)

This is the most common category for non-U.S. companies. It includes foreign private issuers with a substantial U.S. market interest in their equity securities. They must adhere to a 40-day distribution compliance period and implement offering restrictions, including contractual prohibitions on resales to U.S. persons and legending of certificates. Most international blockchain token sales by established non-U.S. entities fall here.

03

Foreign Issuers (Category 3)

This category applies to foreign private issuers with no substantial U.S. market interest in their securities, or for debt offerings by any foreign issuer. It imposes the longest restrictions: a 40-day compliance period for debt and a one-year compliance period for equity. It requires offering restrictions and, for equity, purchasers must certify they are not U.S. persons and are not buying for a U.S. person.

04

Substantial U.S. Market Interest (SUSMI)

A critical determination for classifying foreign issuers. SUSMI exists if, over a recent 12-month period:

  • Over 20% of trading in the issuer's equity securities occurred on U.S. exchanges or through ADRs.
  • The issuer's primary market is in the U.S.
  • The issuer conducted a registered U.S. offering. SUSMI triggers placement in the more restrictive Category 2 for equity offerings.
05

Offering Restrictions & Legending

A core compliance requirement for Categories 2 and 3. Issuers and distributors must implement contractual measures, including:

  • No directed selling efforts in the U.S.
  • Agreements that all off-chain transactions (not on an exchange) will only be with non-U.S. persons or pursuant to another exemption.
  • Physical or electronic legending of securities to warn against U.S. sales during the compliance period.
06

Distribution Compliance Period

A mandatory "closed period" after the offering where resale restrictions apply. Its length is defined by the issuer's category:

  • Category 1 & 2: 40 days for both debt and equity.
  • Category 3: 40 days for debt, 1 year for equity. During this period, securities are restricted securities and cannot be offered or sold to a U.S. person or for the account of a U.S. person.
SEC EXEMPT OFFERINGS

Reg S vs. Reg D: A Comparison

Key differences between the two primary SEC exemptions for securities offerings to non-U.S. and U.S. investors.

FeatureRegulation SRegulation D

Primary Jurisdictional Focus

Non-U.S. Investors (Outside the United States)

U.S. Investors (Accredited and Non-Accredited)

SEC Filing Requirement

General Solicitation

Permitted outside the U.S.

Restricted (Rule 506(c) permits it for accredited investors only)

Investor Accreditation

Not Required

Required for most offerings (Rules 506(b), 506(c))

Maximum Number of Non-Accredited Investors

35 (Rule 506(b) only)

Resale Restrictions (Holding Period)

40 days (Category 3) or 1 year

1 year (Restricted Securities)

Typical Use Case

International Token Sales, Offshore Offerings

Private Placements, SAFEs, Seed Rounds

applications-in-rwa-defi
REGULATION S

Applications in RWA and Institutional DeFi

Regulation S (Reg S) is a U.S. Securities and Exchange Commission (SEC) rule that provides a safe harbor for securities offerings made outside the United States, enabling global capital formation without U.S. registration.

01

Core Definition & Purpose

Regulation S is a safe harbor exemption from the registration requirements of the Securities Act of 1933 for securities offerings conducted outside the United States. Its primary purpose is to facilitate global capital raising by U.S. and foreign issuers while maintaining a clear jurisdictional boundary to avoid imposing U.S. securities laws on purely offshore transactions.

02

Key Conditions & Restrictions

To qualify, offerings must meet strict conditions to ensure they are truly offshore:

  • No Directed Selling Efforts: The issuer cannot conduct any marketing or selling activities targeted at the U.S.
  • Offshore Transactions: Both the offer and sale must occur outside the U.S.
  • Category Distinctions: Rules differ for equity (Category 3 has the longest distribution compliance period) versus debt offerings.
  • Legending Requirements: Securities must bear a legend restricting their resale into the U.S. for a specified period.
03

Role in Tokenized RWAs

Reg S is a foundational legal framework for tokenizing real-world assets (RWAs) for international investors. It allows issuers to structure security token offerings (STOs) representing equity, debt, or funds tied to assets like real estate, private credit, or commodities, and sell them to a non-U.S. investor base in a compliant manner. This bridges traditional securities law with blockchain-based issuance.

04

Institutional DeFi Integration

In Institutional DeFi, Reg S-compliant tokens can be integrated as collateral assets or yield-bearing instruments within permissioned protocols. For example, a tokenized private credit note issued under Reg S could be used in a decentralized lending pool accessible only to verified, non-U.S. institutional participants, creating compliant on-chain capital markets.

05

Contrast with Regulation D

While both are private placement exemptions, they target different markets:

  • Regulation S: For offshore offerings to non-U.S. persons.
  • Regulation D (e.g., Rule 506): For domestic U.S. offerings to accredited investors within the U.S. Issuers often run parallel offerings under both regimes to access capital from U.S. accredited investors and a global audience simultaneously.
06

Compliance & Technology Solutions

Enforcing Reg S conditions on-chain requires sophisticated compliance middleware. Key solutions include:

  • Geographic Blocking: Using oracle-verified data to restrict access based on IP/KYC jurisdiction.
  • Transfer Agent Protocols: Smart contracts that enforce distribution compliance periods and legend restrictions before permitting transfers.
  • KYC/AML Attestations: Integrating with providers like Chainalysis or Elliptic to verify investor status.
SECURITIES OFFERING

Common Misconceptions About Reg S

Regulation S (Reg S) is a complex SEC rule governing offshore securities offerings, often misunderstood by issuers and investors in the digital asset space. This section clarifies key points to ensure compliance and accurate expectations.

Regulation S (Reg S) is a safe harbor provision under the Securities Act of 1933 that defines when an offering of securities is deemed to occur outside the United States and is therefore exempt from the Act's registration requirements. It works by establishing two sets of rules: Category 1 for offerings in countries with no substantial U.S. market interest, and Category 3 for riskier offerings, which impose distribution compliance periods (e.g., a 40-day restricted period for equity) where securities cannot be offered or sold back to U.S. persons. The core mechanism is ensuring all offers and sales are made in an offshore transaction with no directed selling efforts in the United States.

security-considerations
SECURITIES LAW

Legal and Compliance Considerations

Regulation S (Reg S) is a Securities and Exchange Commission (SEC) rule that provides a safe harbor from the registration requirements of the Securities Act of 1933 for offers and sales of securities made outside the United States.

01

Core Safe Harbor Principle

Reg S creates a legal safe harbor, meaning that if an issuer follows its specific rules, the offering is deemed to occur outside the United States and is therefore exempt from SEC registration. The two fundamental conditions are:

  • Offshore Transaction: The offer and sale must be made in an "offshore transaction."
  • No Directed Selling Efforts: The issuer must not engage in any "directed selling efforts" in the U.S. to condition the market for the securities.
02

Category 1, 2, and 3 Offerings

Reg S offerings are categorized based on the issuer's connection to the U.S. market, dictating the required compliance steps:

  • Category 1: For foreign issuers with no "substantial U.S. market interest." Minimal restrictions apply.
  • Category 2: For foreign issuers with a substantial U.S. market interest (e.g., SEC-reporting foreign companies). Requires a 40-day distribution compliance period where securities cannot be offered/sold to U.S. persons.
  • Category 3: For U.S. domestic issuers. Has the strictest rules, including a 40-day or one-year distribution compliance period and specific resale restrictions.
03

Distribution Compliance Period & Legending

A critical enforcement mechanism is the distribution compliance period (or "restricted period"). During this time, which lasts 40 days or one year depending on the category, purchasers cannot resell the securities to U.S. persons. To enforce this, securities are issued with a Reg S legend on certificates or in smart contract metadata, clearly stating the transfer restrictions. This legend is a key tool for compliance officers and transfer agents.

04

Application to Token Sales (ICOs/STOs)

In the context of blockchain token offerings, Reg S is a common structure for sales to non-U.S. investors. Issuers must implement robust Know Your Customer (KYC) and geoblocking measures to ensure participants are outside the U.S. The tokens are typically issued with a smart contract-enforced lock-up or transfer restriction for the compliance period. Failure to properly implement these controls can result in the loss of the safe harbor, exposing the issuer to SEC enforcement for an unregistered securities offering.

05

Contrast with Regulation D

Reg S is often used in tandem with Regulation D (Reg D) for a combined global private placement.

  • Reg S: Governs sales to non-U.S. persons outside the United States.
  • Reg D (e.g., Rule 506(b/c)): Governs sales to accredited investors within the United States. This dual-track approach allows issuers to raise capital from both U.S. and international investors while complying with the distinct exemption requirements for each jurisdiction.
06

Key Risks and Due Diligence

The primary risk is the loss of the exemption, which can lead to SEC penalties, rescission offers (allowing investors to get their money back), and legal liability. Key due diligence areas include:

  • Verifying the accuracy of investor accreditation (for Reg D) and non-U.S. status (for Reg S).
  • Ensuring all marketing and promotional activities are strictly offshore with no U.S. conditioning.
  • Properly implementing and monitoring the distribution compliance period and transfer restrictions.
  • Filing the required Form D notice with the SEC for the U.S. portion of the offering.
REGULATION S

Frequently Asked Questions (FAQ)

Regulation S (Reg S) is a U.S. Securities and Exchange Commission (SEC) rule that provides a safe harbor exemption from the registration requirements of the Securities Act of 1933 for securities offerings made outside the United States. This section answers common questions about its application in the digital asset and blockchain space.

A Reg S offering in crypto is a private sale of digital asset securities conducted exclusively to non-U.S. persons outside the United States, exempt from SEC registration. It works by structuring the token sale to comply with two primary conditions: an offshore transaction (ensuring all offers and sales occur outside the U.S.) and no directed selling efforts (prohibiting any marketing or promotional activity targeted at the U.S. market). Issuers must implement robust procedures, such as geographic blocking on websites and investor accreditation checks, to verify non-U.S. investor status and prevent the flowback of securities into the U.S. before the end of a specified distribution compliance period.

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Reg S Offering: Definition & Key Features | ChainScore Glossary