Standard Nuclear posts updated investor presentation

Standard Nuclear, Inc. released a new investor presentation under Regulation FD, furnishing it on its website for use in future investor and analyst meetings.

Available on EDGAR 09/08/2026 - 10:00 AM EDT Accepted by SEC EDGAR 09/08/2026 - 10:00 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Standard Nuclear, Inc. (STDN) announced that on September 8, 2026 it made an updated investor presentation available on the Investor Relations section of its website, which it plans to use periodically in meetings with investors, analysts, and other parties. The company states that this presentation is being provided under a Regulation FD disclosure and is furnished rather than filed, so it is not subject to liabilities under Section 18 of the Exchange Act and is not incorporated by reference into other securities law filings unless specifically referenced.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Terms

Regulation FD, Section 18 of the Securities Exchange Act of 1934, Emerging Growth Company, Inline XBRL

4 terms

Regulation FD regulatory

"Item 7.01. Regulation FD Disclosure."

Regulation FD is a rule that prevents company insiders, like executives, from sharing important information with some people before others get it. It matters because it helps ensure all investors have equal access to key news, making the stock market fairer and reducing chances of insider trading.

Section 18 of the Securities Exchange Act of 1934 regulatory

"shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934"

Emerging Growth Company regulatory

"Emerging Growth Company o"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Inline XBRL technical

"Cover Page Interactive Data File (embedded within the Inline XBRL Document)"

Inline XBRL is a file format for financial filings that embeds machine-readable data tags directly inside the human-readable report, so the same document can be read by people and parsed by software. For investors it makes extracting, comparing and verifying financial numbers faster and more reliable—like a grocery list where each item also has a barcode—reducing manual errors and speeding up analysis.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Standard Nuclear, Inc. (STDN) disclose in this Form 8-K?

Standard Nuclear, Inc. disclosed that it has made an investor presentation available on its Investor Relations website and intends to use it from time to time in meetings with investors, analysts, and other parties as a Regulation FD communication.

When did STDN make the new investor presentation available?

Standard Nuclear, Inc. made the investor presentation available on September 8, 2026, and indicated it plans to use this presentation from time to time in future investor and analyst meetings.

Where can investors access the Standard Nuclear (STDN) investor presentation?

Investors can access the presentation on the Investor Relations section of Standard Nuclear’s website at https://ir.standardnuclear.com/news-events/presentations, where the company has made the materials available.

Is the STDN investor presentation considered filed under the Exchange Act?

No. Standard Nuclear states the information is furnished under Item 7.01 of Form 8-K, is not deemed “filed” for purposes of Section 18 of the Exchange Act, and is not incorporated by reference into other filings unless specifically referenced.

Does this 8-K for STDN include new financial statements or results?

No. The Form 8-K focuses on the availability of an investor presentation under Regulation FD and lists an Inline XBRL cover page exhibit, without providing financial statements or earnings results.

Who signed the Form 8-K for Standard Nuclear, Inc. (STDN)?

The Form 8-K was signed on behalf of Standard Nuclear, Inc. by Kevin J. Harrill, who is identified as the company’s Chief Financial Officer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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000208671600020867162026-09-082026-09-08

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

_________________

Date of Report (Date of earliest event reported): September 8, 2026

STANDARD NUCLEAR, INC.

(Exact name of registrant as specified in its charter)

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: (865) 272-2324

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:

o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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:

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 7.01. Regulation FD Disclosure.

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.

The information furnished pursuant to this Item 7.01 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under that Section, nor shall such information be deemed incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.			Description
104			Cover Page Interactive Data File (embedded within the Inline XBRL Document)

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.

Standard Nuclear, Inc.

Date:

September 8, 2026

By:

/s/ Kevin J. Harrill

Kevin J. Harrill

Chief Financial Officer

Filing Exhibits & Attachments

4 documents

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 2.0 KB
• EX-101 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT 14.6 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 25.8 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 15.2 KB