Standard Nuclear, Inc. shares opened for trading at $13.50 on the New York Stock Exchange on July 16, 2026, under the ticker symbol "STDN." This opening price follows the initial public offering (IPO) pricing of 10,000,000 shares of Class A common stock at $15.00 per share. The offering is expected to raise $150 million for the reactor-agnostic producer of TRISO nuclear fuel. The transaction is expected to close on July 17, 2026, subject to customary closing conditions.

Standard Nuclear has granted the underwriters a 30-day option to purchase up to an additional 1,500,000 shares of its Class A common stock at the initial public offering price, less underwriting discounts and commissions. This greenshoe option could potentially increase the total size of the offering if exercised in full.

Key Offering Details

BofA Securities and Goldman Sachs & Co. LLC are acting as joint lead bookrunning managers for the offering. Barclays, UBS Investment Bank, Evercore ISI, RBC Capital Markets, William Blair, and Stifel are serving as additional bookrunning managers.

A registration statement relating to these securities was declared effective by the U.S. Securities and Exchange Commission (SEC) on July 15, 2026. The offering is being made only by means of a prospectus, which will be available via EDGAR on the SEC's website.

About Standard Nuclear

Standard Nuclear focuses on the large-scale production of advanced nuclear fuel and radioisotope power systems. It is the nation’s only independent manufacturer of TRISO fuel, a robust, high-performance fuel essential to advanced nuclear reactors for terrestrial, national security, and space applications. The company aims to eliminate U.S. reliance on geopolitical adversaries for these strategically vital technologies.

Standard Nuclear, Inc., a reactor-agnostic producer of TRISO nuclear fuel, has launched the roadshow for its proposed initial public offering of 18,250,000 shares of Class A common stock. The offering price is expected to be between $18.00 and $21.00 per share. The company intends to list its Class A common stock on the New York Stock Exchange under the ticker symbol STDN. The offering is contingent upon market conditions, and there is no assurance regarding the completion, size, or timing of the transaction.

Standard Nuclear has granted underwriters a 30-day option to purchase up to an additional 2,737,500 shares of Class A common stock at the initial public offering price, less underwriting discounts and commissions. A registration statement on Form S-1 has been filed with the SEC but has not yet been declared effective. The securities may not be sold or offers to buy accepted prior to the registration statement becoming effective.

BofA Securities and Goldman Sachs & Co. LLC are serving as joint lead bookrunning managers for the proposed offering. Barclays, UBS Investment Bank, Evercore ISI, RBC Capital Markets, William Blair, and Stifel are acting as additional bookrunning managers.

Offering Details

Standard Nuclear focuses on the large-scale production of advanced nuclear fuel and radioisotope power systems. The company is the nation’s only independent manufacturer of TRISO fuel, which is essential to advanced nuclear reactors for terrestrial, national security, and space applications.