Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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: 3235-0287 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Terrani Kurt Amir 2. Issuer Name and Ticker or Trading Symbol Standard Nuclear, Inc. [STDN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and Director (Last) (First) (Middle) C/O STANDARD NUCLEAR, INC., 200 EUROPIA AVE 3. Date of Earliest Transaction (Month/Day/Year) 07/20/2026 (Street) OAK RIDGE, TN 37830 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A common stock 07/20/2026 G(1) 629,374(1) D $ 0 6,641,876 D Class A common stock 07/20/2026 G(1) 629,374(1) A $ 0 629,374(2) I Held by Terrani 2026 Irrevocable Family Trust, dated June 24, 2026(2) Class A common stock 07/20/2026 G(1) 175,000(1) D $ 0 6,466,876 D Class A common stock 07/20/2026 G(1) 175,000(1) A $ 0 175,000(3) I Held by DSC 2026 Irrevocable Trust, dated June 24, 2026(3) Class A common stock 07/20/2026 G(1) 60,000(1) D $ 0 6,406,876 D Class A common stock 07/20/2026 G(1) 60,000(1) A $ 0 60,000(4) I Held by MT 2026 Irrevocable Trust, dated July 10, 2026(4) Class A common stock 07/20/2026 G(1) 245,000(1) D $ 0 6,161,876 D Class A common stock 07/20/2026 G(1) 245,000(1) A $ 0 245,000(5) I Held by EKG 2026 Irrevocable Trust, dated June 25, 2026(5) Class A common stock 07/20/2026 G(1) 175,000(1) D $ 0 5,986,876 D Class A common stock 07/20/2026 G(1) 175,000(1) A $ 0 175,000(6) I Held by LKT 2026 Irrevocable Trust, dated June 25, 2026(6)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Terrani Kurt Amir C/O STANDARD NUCLEAR, INC. 200 EUROPIA AVE OAK RIDGE, TN 37830	X		CEO and Director

Signatures

/s/ Shahram Ghasemian, by power of attorney		07/22/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period
(2)	These shares are held by the Terrani 2026 Irrevocable Family Trust, dated June 24, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Denise Sarah Castley serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.
(3)	These shares are held by the DSC 2026 Irrevocable Trust, dated June 24, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Denise Sarah Castley serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.
(4)	These shares are held by the MT 2026 Irrevocable Trust, dated July 10, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Merran Terrani serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.
(5)	These shares are held by the EKG 2026 Irrevocable Trust, dated June 25, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Leila Karim Tehrani serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.
(6)	These shares are held by the LKT 2026 Irrevocable Trust, dated June 25, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Leila Karim Tehrani serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust
Remarks: The Reporting Person serves as Chief Executive Officer, President and Director of the Issuer.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.