STDN
Standard Nuclear, Inc.
NYSE · usd
Standard Nuclear, Inc. (STDN) trades at $12.27 (+0.41%) as of 2:23:46 PM EDT on Oct 26, 2026, -0.57% over the past month. Market cap is $1.91B, with 5.8 days to cover in short interest.
Stock performance
How Standard Nuclear, Inc. (STDN) stock has performed from one day to one year, with its 52-week range.
- 1D
- +0.41%
- 1W
- +0.16%
- 1M
- -0.57%
- YTD
- -0.24%
- 1Y
- -0.24%
- 52-wk range
- $7.05 – $17.34
Key statistics
Today's trading snapshot for STDN: day range, open, previous close, volume and market cap.
- Day range
- $11.80 – $12.46
- Open
- $12.29
- Prev close
- $12.22
- Volume
- 97.12K
- Market cap
- $1.91B
- Shares out
- 156.55M
8-K filings
Material corporate events Standard Nuclear, Inc. has disclosed to the SEC on Form 8-K.
- Investor presentationSep 8, 2026
On September 8, 2026, Standard Nuclear, Inc. (the "Company") made available on the Investor Relations section of its website (https://ir.standardnuclear.com/news-events/presentations) an investor presentation that the Company intends to use from time to time in meetings and presentations with investors, analysts, and other parties.
- Supply or distribution agreementAug 27, 2026
Standard Nuclear, Inc., a reactor-agnostic producer of TRISO nuclear fuel, and the only U.S. company with industrial-scale TRISO fuel fabrication facilities, announced the execution of a binding fuel supply agreement for supply of TRISO fuel with Antares Nuclear, Inc., a nuclear fission energy company developing microreactors for defense and space applications.
- Supply or distribution agreementAug 20, 2026
Standard Nuclear, Inc., a reactor-agnostic producer of TRISO nuclear fuel, and the only U.S. company with industrial-scale TRISO fuel fabrication facilities, announced the execution of a new binding fuel supply agreement with Radiant Industries, Inc.
- Director appointmentAug 14, 2026
On August 12, 2026, the Board of Directors (the "Board") of Standard Nuclear, Inc. (the "Company") increased the size of the Board from four to five directors by increasing the number of Class II directors, and appointed Seth Cohen to serve in the resulting vacancy. He will also serve on the Company's Compensation Committee. Mr. Cohen's term expires at the 2028 annual meeting of stockholders, or until his successor is duly elected and qualified, or until his earlier death, resignation, disqualification or removal. The Board has determined that Mr. Cohen qualifies as an "independent director" under the listing standards of the New York Stock Exchange.
- Regulatory decisionJul 22, 2026
The Company has also received approval of Preliminary Documented Safety Analyses for both facilities. The facilities remain subject to qualification activities and final readiness reviews before commencing production.
STDN short interest
How heavily STDN is shorted: shares short, days to cover and average daily volume.
- Days to cover
- 5.8
- Short interest
- 3.12M
- Avg volume
- 542.99K
As of · reported to FINRA twice monthly.
STDN news
The latest news and headlines about Standard Nuclear, Inc. (STDN).
- Why Cameco's Ugly Earnings Miss Might Be Good News in DisguisepositiveThe Motley Fool· Aug 8, 2026
- The Trump Administration Launches "Project Prometheus" With These Nuclear Energy Stocks (Hint: NuScale Didn't Make the Cut)positiveThe Motley Fool· Jul 24, 2026
Frequently asked questions
What is the Standard Nuclear, Inc. (STDN) stock price today?
Standard Nuclear, Inc. (STDN) is trading at $12.27 (+0.41% on the day) as of 2:23:46 PM EDT on Oct 26, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.
What is Standard Nuclear, Inc.?
Standard Nuclear Inc is an independent advanced nuclear fuel company. The company designs, engineers, and manufactures advanced nuclear fuels, with a primary focus on TRISO fuel for advanced reactors.
What is the short interest in STDN?
As of Sep 30, 2026, STDN has 3.12M shares short and 5.8 days to cover.
What exchange is STDN listed on?
Standard Nuclear, Inc. (STDN) trades on NYSE in USD, in the INDUSTRIAL INORGANIC CHEMICALS industry.
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