SEC Form 4 · accession 0001193125-26-307790

Standard Nuclear, Inc. · STDN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

10% Owner

Period of report

Jul 16, 2026

Accepted (ET)

Jul 17, 2026 · 4:05 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0002086716

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F2	Jul 16, 2026	P	1,275,496	$15.00	A	1,275,496	I	Held by Decisive Point - Standard Nuclear V, LLC
Class A Common Stock^F3,F2	Jul 17, 2026	C	5,800,000	—	A	5,800,000	I	Held by Decisive Point - Standard Nuclear I
Class A Common Stock^F3,F2	Jul 17, 2026	C	4,000,000	—	A	5,750,000	I	Held by Decisive Point Ventures II Master Fund, L.P.
Class A Common Stock^F3,F2	Jul 17, 2026	C	1,154,934	—	A	6,904,934	I	Held by Decisive Point Ventures II Master Fund, L.P.
Class A Common Stock^F3,F2	Jul 17, 2026	C	506,894	—	A	7,411,828	I	Held by Decisive Point Ventures II Master Fund, L.P.
Class A Common Stock^F3,F2	Jul 17, 2026	C	2,451,678	—	A	2,451,678	I	Held by Decisive Point - Standard Nuclear II
Class A Common Stock^F3,F2	Jul 17, 2026	C	2,242,330	—	A	2,242,330	I	Held by Decisive Point - Standard Nuclear III
Class A Common Stock^F3,F2	Jul 17, 2026	C	505,478	—	A	505,478	I	Held by Decisive Point - Standard Nuclear IV, LLC
Class A Common Stock	holding	—	—		—	6,902,000	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series Seed-1 Preferred^F3,F2	—	Jul 17, 2026	C	5,800,000	D	—	—	Class A Common Stock	5,800,000	I
Series Seed-1 Preferred^F3,F2	—	Jul 17, 2026	C	4,000,000	D	—	—	Class A Common Stock	4,000,000	I
Series Seed Preferred^F3,F2	—	Jul 17, 2026	C	2,451,678	D	—	—	Class A Common Stock	2,451,678	I
Series A Preferred^F3,F2	—	Jul 17, 2026	C	1,154,934	D	—	—	Class A Common Stock	1,154,934	I
Series A Preferred^F3,F2	—	Jul 17, 2026	C	2,242,330	D	—	—	Class A Common Stock	2,242,330	I
Series A-2 Preferred^F3,F2	—	Jul 17, 2026	C	505,478	D	—	—	Class A Common Stock	505,478	I
Series A-2 Preferred^F3,F2	—	Jul 17, 2026	C	506,894	D	—	—	Class A Common Stock	506,894	I

F1Represents shares purchased through a reserved share program in connection with the the Issuer's initial public offering of Class A Common Stock. These shares were purchased at the public offering price of $15 per share.
F2The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
F3Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.