US Nuclear files 12b-25 delaying Q1 2026 10-Q

Rhea-AI Filing Summary

US Nuclear Corp. notified the SEC that it is unable to file its Form 10-Q for the period ended March 31, 2026 "without unreasonable effort or expense" and needs additional time to compile supporting documentation and allow its independent auditor to complete review. The company states it intends to file the Form 10-Q as soon as possible.

Insights

SEC Filings Attorney

Timely notice filed under Rule 12b-25 citing auditor review and document compilation.

The filing identifies the procedural basis for relief under Rule 12b-25 and states the company cannot complete its Form 10-Q for the period ended March 31, 2026 "without unreasonable effort or expense." The company also states the independent registered public accounting firm must complete its review.

Key items to watch in subsequent filings include the eventual filing date of the Form 10-Q and any disclosed adjustments arising from the auditor's review. The signature block shows the notification signed by Robert Goldstein, Chief Executive Officer on May 14, 2026.

Key Figures

Reporting period: March 31, 2026 Notification signed: May 14, 2026 Contact telephone: (818) 883-7043

3 metrics

Reporting period March 31, 2026 Form 10-Q period end

Notification signed May 14, 2026 Date signature by CEO Robert Goldstein

Contact telephone (818) 883-7043 Contact for notification questions

Key Terms

Form 12b-25, Form 10-Q, "without unreasonable effort or expense"

3 terms

Form 12b-25 regulatory

"Form 12b-25 NOTIFICATION OF LATE FILING"

Form 12b-25 is a notice a publicly traded company files with the U.S. Securities and Exchange Commission when it cannot deliver a required periodic report (like a quarterly or annual financial report) on time. It explains the reason for the delay and gives the company a short, temporary window to finish the report without being marked as delinquent; investors watch it because late filings can signal accounting, operational, or control issues that may affect a company’s reliability and stock risk, much like a missed homework deadline can raise concerns about a student’s preparedness.

Form 10-Q regulatory

"unable to file its Form 10-Q for the period ended March 31, 2026"

A Form 10-Q is a detailed report that publicly traded companies are required to file with regulators three times a year, providing an update on their financial health and business activities. It is important for investors because it offers timely insights into a company's performance, helping them make informed decisions about buying or selling stocks. Think of it as a regular check-up report that shows how well a company is doing.

"without unreasonable effort or expense" regulatory

"could not be filed without unreasonable effort or expense"

FAQ

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

Why did US Nuclear (UCLE) file a Form 12b-25 for the period ended March 31, 2026?

US Nuclear filed the Form 12b-25 because it cannot complete its Form 10-Q for the period ended March 31, 2026 without unreasonable effort or expense; it needs more time to compile documentation and complete the auditor's review.

When did US Nuclear sign the 12b-25 notification and who signed it?

The notification is signed by Robert Goldstein, Chief Executive Officer on May 14, 2026; his signature appears on the Form 12b-25 as the authorized officer representing the company.

Will US Nuclear (UCLE) still file the Form 10-Q?

The company states it intends to file the Form 10-Q as soon as possible after compiling supporting documentation and allowing its independent accounting firm to complete its review; an explicit filing date is not provided in the notification.

Who can investors contact about the delay in US Nuclear’s Form 10-Q?

The contact listed on the Form 12b-25 is Robert Goldstein with telephone (818) 883-7043; this is the person named for inquiries regarding the notification.

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

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Accepted by SEC EDGAR 05/14/2026 - 04:20 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check one):

☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q

☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR

For Period Ended: March 31, 2026

☐ Transition Report on Form 10-K

☐ Transition Report on Form 20-F

☐ Transition Report on Form 11-K

☐ Transition Report on Form 10-Q

☐ Transition Report on Form N-SAR

For the Transition Period Ended:

Read Instruction Before Preparing Form. Please Print or Type.

Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:

PART I — REGISTRANT INFORMATION

US NUCLEAR CORP.

(Full Name of Registrant)

7051 ETON AVENUE CANOGA PARK CA 91303

(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)

PART II — RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate.)

☒		(a)	The reason described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense
		(b)	The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, Form 11-K, Form N-SAR or Form N-CSR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q or subject distribution report on Form 10-D, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and
		(c)	The accountant’s statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

PART III — NARRATIVE

State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-CEN, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

US Nuclear Corp. (the “Company”) is unable to file, without unreasonable effort or expense, its Form 10-Q for the period ended March 31, 2026. Additional time is needed for the Company to compile and analyze supporting documentation in order to complete the Form 10-Q and in order to permit the Company’s independent registered public accounting firm to complete its review of the consolidated financial statements included in the Form 10-Q. The Company intends to file the Form 10-Q as soon as possible.

PART IV — OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification

Robert Goldstein		(818)		883-7043
(Name)		(Area Code)		(Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s). Yes ☒ No ☐

(3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? Yes ☐ No ☒

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

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SIGNATURES

US Nuclear Corp. has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date: May 14, 2026
By:	/s/ Robert Goldstein
	Robert Goldstein
	Chief Executive Officer

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