Seth Michael Cohen - 12 Aug 2026 Form 4/A - Amendment Insider Report for Standard Nuclear, Inc. (STDN)

Reporting relationship: Director
Issuer ticker: STDN
Reported as of: 12 Aug 2026
Net transaction value: $0
SEC form: 4/A - Amendment
Accepted by SEC: 28 Aug 2026, 18:50:35 UTC
Original report date: 14 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Shahram Ghasemian, by power of attorney

Key filing fact

Seth Michael Cohen filed Form 4/A - Amendment for Standard Nuclear, Inc. (STDN) on 28 Aug 2026.

Key facts

This page summarizes Seth Michael Cohen's Form 4/A - Amendment filing for Standard Nuclear, Inc. (STDN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 Aug 2026, 18:50.

Change

No earlier filing in this sequence is available for direct comparison.
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/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0002147965 Primary reporting owner

Cohen Seth Michael

Relationship: Director
Address: C/O STANDARD NUCLEAR, INC., 200 EUROPIA AVE, OAK RIDGE
Signature: /s/ Shahram Ghasemian, by power of attorney
Signature date: 28 Aug 2026

Reported non-derivative transactions

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

STDN transaction

Class A common stock

Award

Transaction value
Shares: +13,255
Change %: +663%
Price: $0.000000^*
Shares after: 15,255
Date: 12 Aug 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

13,255 represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs"). 100% of the RSUs will vest on the earlier of (i) the day before the Issuer's 2027 Annual Meeting of Stockholders or (ii) the one-year anniversary of the grant date, subject to the Reporting Person's continued service as a member of the Board of Directors of the Issuer through such vesting date.

Footnote F2

This Form 4/A is being filed solely to correct the total number of shares of Class A Common Stock beneficially owned by the Reporting Person as of the reporting date. The original Form 4 inadvertently excluded 2,000 shares of Class A Common Stock that were beneficially owned by the Reporting Person as of such date.