Kurt Amir Terrani - 20 Jul 2026 Form 4 Insider Report for Standard Nuclear, Inc. (STDN)

Reporting relationship: CEO and Director, Director
Issuer ticker: STDN
Reported as of: 20 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 Jul 2026, 17:39:22 UTC
Prior SEC filing: 15 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Shahram Ghasemian, by power of attorney

Key filing fact

Kurt Amir Terrani filed Form 4 for Standard Nuclear, Inc. (STDN) on 22 Jul 2026.

Key facts

This page summarizes Kurt Amir Terrani's Form 4 filing for Standard Nuclear, Inc. (STDN).
10 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 22 Jul 2026, 17:39.

Change

Previous filing in this sequence was filed on 15 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002142553 Primary reporting owner

Terrani Kurt Amir

Relationship: CEO and Director, Director
Address: C/O STANDARD NUCLEAR, INC., 200 EUROPIA AVE, OAK RIDGE
Signature: /s/ Shahram Ghasemian, by power of attorney
Signature date: 22 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STDN transaction

Class A common stock

Gift

Transaction value
Shares: -629,374
Change %: -8.7%
Price: $0.000000^*
Shares after: 6,641,876
Date: 20 Jul 2026
Ownership: Direct
Footnotes: F1

STDN transaction

Class A common stock

Gift

Transaction value
Shares: +629,374
Change %
Price: $0.000000^*
Shares after: 629,374
Date: 20 Jul 2026
Ownership: Held by Terrani 2026 Irrevocable Family Trust, dated June 24, 2026
Footnotes: F1, F2

STDN transaction

Class A common stock

Gift

Transaction value
Shares: -175,000
Change %: -2.6%
Price: $0.000000^*
Shares after: 6,466,876
Date: 20 Jul 2026
Ownership: Direct
Footnotes: F1

STDN transaction

Class A common stock

Gift

Transaction value
Shares: +175,000
Change %
Price: $0.000000^*
Shares after: 175,000
Date: 20 Jul 2026
Ownership: Held by DSC 2026 Irrevocable Trust, dated June 24, 2026
Footnotes: F1, F3

STDN transaction

Class A common stock

Gift

Transaction value
Shares: -60,000
Change %: -0.93%
Price: $0.000000^*
Shares after: 6,406,876
Date: 20 Jul 2026
Ownership: Direct
Footnotes: F1

STDN transaction

Class A common stock

Gift

Transaction value
Shares: +60,000
Change %
Price: $0.000000^*
Shares after: 60,000
Date: 20 Jul 2026
Ownership: Held by MT 2026 Irrevocable Trust, dated July 10, 2026
Footnotes: F1, F4

STDN transaction

Class A common stock

Gift

Transaction value
Shares: -245,000
Change %: -3.8%
Price: $0.000000^*
Shares after: 6,161,876
Date: 20 Jul 2026
Ownership: Direct
Footnotes: F1

STDN transaction

Class A common stock

Gift

Transaction value
Shares: +245,000
Change %
Price: $0.000000^*
Shares after: 245,000
Date: 20 Jul 2026
Ownership: Held by EKG 2026 Irrevocable Trust, dated June 25, 2026
Footnotes: F1, F5

STDN transaction

Class A common stock

Gift

Transaction value
Shares: -175,000
Change %: -2.8%
Price: $0.000000^*
Shares after: 5,986,876
Date: 20 Jul 2026
Ownership: Direct
Footnotes: F1

STDN transaction

Class A common stock

Gift

Transaction value
Shares: +175,000
Change %
Price: $0.000000^*
Shares after: 175,000
Date: 20 Jul 2026
Ownership: Held by LKT 2026 Irrevocable Trust, dated June 25, 2026
Footnotes: F1, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

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

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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

SEC remarks

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