Standard Nuclear (STDN) director Donald A. Moul files initial Form 3

Rhea-AI Filing Summary

Standard Nuclear, Inc. has a Form 3 identifying Donald A. Moul as a director and reporting person. The available data list zero buy, sell, exercise, gift, tax-withholding, or restructuring transactions and indicate no derivative positions in the derivativeSummary field for this reporting relationship.

Key Figures

Buy transactions: 0 Sell transactions: 0 Exercise transactions: 0 +2 more

5 metrics

Buy transactions 0 buyCount in transactionSummary for this Form 3

Sell transactions 0 sellCount in transactionSummary for this Form 3

Exercise transactions 0 exerciseCount in transactionSummary for this Form 3

Derivative transactions 0 derivativeTransactionCount in transactionSummary for this Form 3

Ten percent owner flag 0 is_ten_percent_owner value for Donald A. Moul

Key Terms

reportingPersons, is_ten_percent_owner, transactionSummary, derivativeSummary

4 terms

reportingPersons regulatory

"The 'reportingPersons' array lists Donald A. Moul as a director."

is_ten_percent_owner regulatory

"Field 'is_ten_percent_owner' is 0 for Donald A. Moul."

transactionSummary financial

"'transactionSummary' aggregates counts of all transaction types as zeros."

derivativeSummary financial

"'derivativeSummary' is an empty array, showing no derivatives listed."

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

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Available on EDGAR 07/16/2026 - 09:25 PM Accepted by SEC EDGAR 07/15/2026 - 06:02 PM Learn about SEC filing dates

FAQ

What does the Form 3 for Standard Nuclear (STDN) show about Donald A. Moul?

It shows that Donald A. Moul is a reporting person and director of Standard Nuclear, Inc. The structured data list no buy, sell, exercise, gift, tax-withholding, restructuring, or derivative transactions associated with him in this Form 3.

Does the STDN Form 3 report any insider stock purchases or sales?

No. The Form 3 data record zero buy transactions and zero sell transactions in the transactionSummary. It also shows no exercise, gift, tax-withholding, or restructuring entries, indicating no trading activity is reported in this filing.

Is Donald A. Moul a ten percent owner of Standard Nuclear (STDN)?

No. The field is_ten_percent_owner is set to 0 for Donald A. Moul, indicating he is not classified as a ten percent owner in this Form 3 and is identified instead by his role as a director.

Are any derivative securities reported for Donald A. Moul in the STDN Form 3?

No. The derivativeSummary section is an empty array, which indicates that no derivative securities positions, such as options or warrants, are listed for Donald A. Moul within the scope of this Form 3 data.

What role does Donald A. Moul hold at Standard Nuclear (STDN) according to this filing?

He is identified as a director. In the reportingPersons section, the flag is_director is 1, while is_officer and is_ten_percent_owner are 0, so he is not reported as an officer or 10% owner here.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Moul Donald A

(Last) (First) (Middle)

C/O STANDARD NUCLEAR, INC.

200 EUROPIA AVE

(Street)

OAK RIDGE TENNESSEE 37830

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/15/2026

3. Issuer Name and Ticker or Trading Symbol
Standard Nuclear, Inc. [ STDN ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

No securities of the issuer are beneficially owned by the reporting person as of the date of this statement

No securities are beneficially owned.

	/s/ Donald Moul	07/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)