Standard Nuclear grants RSUs to legal chief

GHASEMIAN SHAHRAM reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

GHASEMIAN SHAHRAM reported acquisition or exercise transactions in this Form 4 filing.

Standard Nuclear, Inc. reported that Chief Legal and Compliance Officer and Corporate Secretary Shahram Ghasemian received four compensation-related awards of restricted stock units covering Class A common stock on July 15, 2026. The awards cover 40,000, 100,000, 100,000 and 360,000 shares, vesting immediately upon IPO pricing, over 18 months, and over four-year schedules beginning May 4, 2027 and June 1, 2027, in each case subject to continued service.

Insider Trade Summary

Grant/Award: 600,000 shares

Grant/Award 4 txns

Insider GHASEMIAN SHAHRAM

Role Chief Legal Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A common stock F1	40,000	$0.00	$0.00
Grant/Award	Class A common stock F2	360,000	$0.00	$0.00
Grant/Award	Class A common stock F3	100,000	$0.00	$0.00
Grant/Award	Class A common stock F4	100,000	$0.00	$0.00

Holdings After Transaction: Class A common stock — 600,000 shares (Direct)

Footnotes (4)

1. F1. Represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs"). The RSUs vested in full upon pricing of the Issuer's initial public offering.
2. F2. Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over four years with 25% vesting on May 4, 2027 and the remainder vesting in equal quarterly installments thereafter, subject to the Reporting Persons continued service through each vesting date.
3. F3. Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over 18 months in quarterly installments of 1/6th, subject to the Reporting Person's continued service through each vesting date.
4. F4. Represents shares of Class A Common Stock underlying an award of 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.

Key Figures

RSU award size: 40,000 shares RSU award size: 360,000 shares RSU award size: 100,000 shares +1 more

4 metrics

RSU award size 40,000 shares Shares of Class A common stock underlying RSUs that vested in full upon IPO pricing

RSU award size 360,000 shares RSUs vesting over four years with 25% on May 4, 2027, then equal quarterly installments

RSU award size 100,000 shares RSUs vesting over 18 months in quarterly installments of 1/6th

RSU award size 100,000 shares RSUs vesting over four years with 25% on June 1, 2027, then equal monthly installments

Key Terms

restricted stock units ("RSUs"), initial public offering, vesting

3 terms

restricted stock units ("RSUs") financial

"Represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs")."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

initial public offering financial

"The RSUs vested in full upon pricing of the Issuer's initial public offering."

An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.

vesting financial

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

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 activity did Standard Nuclear (STDN) report for Shahram Ghasemian?

Standard Nuclear reported that Chief Legal and Compliance Officer Shahram Ghasemian received four awards of restricted stock units covering Class A common stock on July 15, 2026, all reported as acquisitions at no per-share cost as part of equity compensation.

How many Standard Nuclear (STDN) Class A shares are covered by the new RSU awards?

The Form 4 shows RSU awards covering 40,000, 100,000, 100,000 and 360,000 shares of Class A common stock. Each block is tied to a specific vesting schedule, including immediate, 18‑month, and multi‑year vesting structures.

What are the vesting terms of the 360,000-share RSU award at Standard Nuclear (STDN)?

The 360,000-share RSU award will vest over four years, with 25% vesting on May 4, 2027 and the remainder vesting in equal quarterly installments, subject to Shahram Ghasemian’s continued service through each vesting date.

How do the 100,000-share RSU awards for STDN’s Chief Legal Officer vest?

One 100,000-share RSU award vests over 18 months in quarterly installments of 1/6th. Another 100,000-share award vests over four years, with 25% on June 1, 2027 and the remainder vesting in equal monthly installments.

Did any of Shahram Ghasemian’s RSUs at Standard Nuclear (STDN) vest at IPO pricing?

Yes. An RSU award covering 40,000 shares of Class A common stock vested in full upon the pricing of Standard Nuclear’s initial public offering, converting into shares when the IPO pricing milestone was reached.

Were Shahram Ghasemian’s RSU awards at Standard Nuclear (STDN) made under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmative, and there is no footnote stating the awards were granted under a trading plan, indicating they are standard equity compensation grants rather than plan-directed trades.

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

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Accepted by SEC EDGAR 07/17/2026 - 08:58 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^*

GHASEMIAN SHAHRAM

(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)

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

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		40,000(1)	A	$0	40,000	D
Class A common stock	07/15/2026		A		360,000(2)	A	$0	400,000	D
Class A common stock	07/15/2026		A		100,000(3)	A	$0	500,000	D
Class A common stock	07/15/2026		A		100,000(4)	A	$0	600,000	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 vested in full upon pricing of the Issuer's initial public offering.

2. Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over four years with 25% vesting on May 4, 2027 and the remainder vesting in equal quarterly installments thereafter, subject to the Reporting Persons continued service through each vesting date.

3. Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over 18 months in quarterly installments of 1/6th, subject to the Reporting Person's continued service through each vesting date.

4. Represents shares of Class A Common Stock underlying an award of 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.

Remarks:

The Reporting Person serves as Chief Legal and Compliance Officer and Corporate Secretary of the Issuer.

	Shahram Ghasemian	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)