Standard Nuclear CEO granted 3,846,250 RSUs

Terrani Kurt Amir reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Terrani Kurt Amir reported acquisition or exercise transactions in this Form 4 filing.

Standard Nuclear, Inc. reported that CEO, President and Director Kurt Amir Terrani received two equity awards of Class A common stock. On July 15, 2026 he was granted 200,000 RSU-based shares vesting over four years, and on July 17, 2026 he was granted 3,646,250 RSU-based shares vesting quarterly over three years. Following these awards, he directly holds 7,271,250 Class A common shares.

Insider Trade Summary

Grant/Award: 3,846,250 shares

Grant/Award 2 txns

Insider Terrani Kurt Amir

Role CEO and Director

Type	Security	Shares	Price	Value
Grant/Award	Class A common stock F2	3,646,250	$0.00	$0.00
Grant/Award	Class A common stock F1	200,000	$0.00	$0.00

Holdings After Transaction: Class A common stock — 7,271,250 shares (Direct)

Footnotes (2)

1. F1. Represents shares of Class A Common Stock underlying an award of restricted stock units (RSUs"). The RSUs will vest over four years with 25% vesting on June 1, 2027 and the remainder vesting in equal monthly installments thereafter, subject to the Reporting Person's continued service through each vesting date.
2. F2. Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over three years in quarterly installments of 1/12th, subject to the Reporting Person's continued service through each vesting date.

Key Figures

RSU grant on July 17, 2026: 3,646,250 shares RSU grant on July 15, 2026: 200,000 shares CEO holdings after grants: 7,271,250 shares +1 more

4 metrics

RSU grant on July 17, 2026 3,646,250 shares Class A common stock underlying RSUs vesting quarterly over three years

RSU grant on July 15, 2026 200,000 shares Class A common stock underlying RSUs vesting over four years

CEO holdings after grants 7,271,250 shares Direct Class A common stock ownership following July 17, 2026 award

Reported grant price per share $0.0000 Transaction price per share for both RSU-related stock awards

Key Terms

Class A Common Stock, restricted stock units (RSUs, vesting

3 terms

Class A Common Stock financial

"Represents shares of Class A Common Stock underlying an award of RSUs."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

restricted stock units (RSUs financial

"underlying an award of restricted stock units (RSUs) that vest over four years."

vesting financial

"The RSUs will vest over four years with 25% vesting on June 1, 2027."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

What insider stock awards did Standard Nuclear (STDN) report for its CEO?

Standard Nuclear reported that CEO Kurt Amir Terrani received two RSU-based grants of Class A common stock in July 2026, totaling 3,846,250 shares, with vesting schedules over three and four years and resulting direct holdings of 7,271,250 shares.

How many Standard Nuclear (STDN) shares did the CEO receive on July 17, 2026?

On July 17, 2026, the CEO received 3,646,250 shares of Class A common stock underlying RSUs. These RSUs vest over three years in quarterly installments of one-twelfth each, contingent on his continued service through each vesting date.

What are the vesting terms of the 200,000 RSUs granted to STDN’s CEO?

The 200,000-share RSU award vests over four years, with 25% vesting on June 1, 2027 and the remaining 75% vesting in equal monthly installments thereafter, subject to Kurt Amir Terrani’s continued service at Standard Nuclear.

How many Standard Nuclear (STDN) shares does the CEO hold after these grants?

After the July 17, 2026 RSU-related grant, Kurt Amir Terrani directly holds 7,271,250 shares of Standard Nuclear Class A common stock, as reported in the Form 4’s post-transaction holdings column for non-derivative securities.

Were the July 2026 STDN CEO equity awards made under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox was not marked as affirmative, indicating these July 2026 equity awards to the CEO were not reported as granted pursuant to a Rule 10b5-1 trading plan.

Did the STDN CEO pay cash for the July 2026 RSU-based share grants?

The reported transaction price per share for both July 2026 grants was $0.0000, indicating these were equity compensation awards of RSU-based Class A common stock rather than cash purchases in the open market.

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

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Accepted by SEC EDGAR 07/17/2026 - 09:12 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Terrani Kurt Amir

(Last) (First) (Middle)

C/O STANDARD NUCLEAR, INC.

200 EUROPIA AVE

(Street)

OAK RIDGE TENNESSEE 37830

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026

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

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

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

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	07/15/2026		A		200,000(1)	A	$0	3,625,000	D
Class A common stock	07/17/2026		A		3,646,250(2)	A	$0	7,271,250	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Represents shares of Class A Common Stock underlying an award of restricted stock units (RSUs"). The RSUs will vest over four years with 25% vesting on June 1, 2027 and the remainder vesting in equal monthly installments thereafter, subject to the Reporting Person's continued service through each vesting date.

2. Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over three years in quarterly installments of 1/12th, subject to the Reporting Person's continued service through each vesting date.

Remarks:

The Reporting Person serves as Chief Executive Officer, President and Director of the Issuer.

	/s/ Shahram Ghasemian, by power of attorney	07/17/2026
	** 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 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).
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 4: SEC 1474 (03-26)