Standard Nuclear (STDN Proposed) slashed the size of its IPO to $150 million – down from $355.88 million originally – in an S-1/A filing early today (Wednesday, July 15, 2026) – in the countdown to pricing the deal tonight. The IPO’s new terms call for Standard Nuclear to offer 10 million shares at an IPO price of $15.00, according to the S-1/A filing. This is an NYSE listing.
Under the sharply reduced terms, Standard Nuclear would have a market cap of about $2.4 billion – down from $3.3 billion under the initial terms.
BofA Securities and Goldman Sachs are leading the joint book-running team.
Barclays, UBS Investment Bank, Evercore ISI, RBC Capital Markets, William Blair and Stifel are also joint book-runners.
Standard Nuclear bought the assets of bankrupt Ultra Safe Nuclear in late 2024.
Oak Ridge, Tennessee-based Standard Nuclear said it runs the only privately funded TRISO production plant in the U.S., according to the prospectus. The company’s customers supply it with enriched uranium feedstock, which Standard Nuclear converts into nuclear fuel for its customers to use in their reactors.
TRISO stands for “tristructural-isotropic” and refers to poppyseed-sized fuel particles made from enriched uranium and coated in ceramic layers and used to fuel many Advanced Reactors, according to the prospectus.
Standard Nuclear is not profitable: Net loss of $14.97 million on revenue of $3.36 million for the 12 months that ended on March 31, 2026, according to the prospectus.
(For more information about this company, please check the IPO Calendar and the individual IPO Profile found on the IPOScoop.com website.)
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