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Glossary

Regulation S

Regulation S is the SEC safe harbor for securities offered and sold outside the United States to non-US persons, which are exempt from SEC registration when the offering meets its offshore-transaction and distribution-compliance conditions.

Regulation S (Reg S) is the SEC rule that treats securities offered and sold outside the United States as beyond the reach of US registration. It is how a tokenized offering reaches international investors, and it is very often paired with Regulation D - Reg D for US accredited investors, Reg S for everyone offshore.

Reg S is a safe harbor with two core conditions:

  • Offshore transaction. The offer and sale happen outside the US, and the buyer is (or is reasonably believed to be) outside the US at the time.
  • No directed selling efforts. The issuer cannot run marketing into the US market to condition demand for the securities.

The buyers must be non-US persons, which has a specific meaning - see US person - based largely on residency rather than citizenship.

Reg S then sorts offerings into Category 1, 2, or 3, and the category sets how long a distribution-compliance period runs and what resale restrictions apply before the securities can flow back toward the US market. Equity of a US company is usually the most restrictive case.

For tokenized deals, Reg S is attractive because there is no SEC registration, but the offshore conditions and resale limits have to be enforced in practice - through geoblocking, KYC on residency, and on-chain transfer restrictions. Whether a sale truly qualifies is fact-dependent.

Source: U.S. SEC (sec.gov), as of 2026.

Mentioned in

  • Case Study: Tokenizing a US Construction Build

    A case study in tokenizing a US ground-up construction build - the SPV and Reg S structure, the contract architecture, and the lessons we learned doing it.

  • Combining Reg D + Reg S in One Offering

    Combining Reg D and Reg S in one offering - how issuers run parallel US and offshore tranches to reach accredited US and non-US investors, and the rules to respect.

  • MiCA vs SEC for RWA Issuers

    MiCA vs SEC for RWA issuers - why most tokenized securities fall under existing EU securities law, not MiCA, and how the US and EU approaches actually compare.

  • Reg D vs Reg A+ vs Reg S vs Reg CF

    Reg D vs Reg A+ vs Reg S vs Reg CF - the four SEC exemptions for token offerings compared on who can invest, how much you can raise, marketing, and resale.

  • Reg S: Offering Tokens to Non-US Investors

    Reg S for issuers - how to offer security tokens to non-US investors without SEC registration, the category rules, the compliance period, and pairing it with Reg D.

  • Reg S in Practice: Lessons From a Live Raise

    Reg S in practice - lessons from running a live Regulation S raise, from investor screening and US-person look-through to the operational details that actually bite.

Educational content, not financial or legal advice.