000208671600020867162026-08-202026-08-20
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
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Date of Report (Date of earliest event reported): August 20, 2026
STANDARD NUCLEAR, INC.
(Exact name of registrant as specified in its charter)
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| Delaware | 1-143400 | 99-3989746 |
| (State or other jurisdiction of incorporation) | (Commission File Number) | (I.R.S. Employer Identification No.) |
200 Europia Ave
Oak Ridge, TN 37830
Registrant telephone number, including area code: (845) 258-0016
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
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| o | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
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| o | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
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| o | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
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| o | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
Securities registered pursuant to Section 12(b) of the Act:
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| Title of Each Class | Trading Symbol | Name of Each Exchange on Which Registered |
| Class A Common Stock, par value $0.00001 per share | STDN | The New York Stock Exchange |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging Growth Company ☒
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Item 8.01 Other Events.
On August 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.
A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits
(d) Exhibits.
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| Exhibit No. | Description |
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| 99.1 | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL Document) |
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SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
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| | | | Standard Nuclear, Inc | |
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| Date: | August 20, 2026 | By: | /s/ Kevin J. Harrill | |
| | | | Kevin J. Harrill | |
| | | | Chief Financial Officer | |