Decisive Point Group, LLC 3

3 · Standard Nuclear, Inc. · Filed Jul 15, 2026

Insider Transaction Report

Form 3

Period: 2026-07-15

Standard Nuclear, Inc.STDN

Decisive Point Group, LLC

10% Owner

Holdings

Class A Common Stock
6,902,000
Class A Common Stock
[F1]
(indirect: Held by Decisive Point Ventures II Master Fund, L.P.)
1,750,000
Series Seed-1 Preferred
[F2][F1]
(indirect: Held by Decisive Point - Standard Nuclear I)
→ Class A Common Stock (5,800,000 underlying)
Series Seed-1 Preferred
[F2][F1]
(indirect: Held by Decisive Point Ventures II Master Fund, L.P.)
→ Class A Common Stock (4,000,000 underlying)
Series Seed Preferred
[F3][F1]
(indirect: Held by Decisive Point - Standard Nuclear II)
→ Class A Common Stock (2,451,678 underlying)
Series A Preferred
[F4][F1]
(indirect: Held by Decisive Point Ventures II Master Fund, L.P.)
→ Class A Common Stock (1,154,934 underlying)
Series A Preferred
[F4][F1]
(indirect: Held by Decisive Point - Standard Nuclear III)
→ Class A Common Stock (2,242,330 underlying)
Series A-2 Preferred
[F5][F1]
(indirect: By LLC)
→ Class A Common Stock (505,478 underlying)
Series A-2 Preferred
[F5][F1]
(indirect: Held by Decisive Point Ventures II Master Fund, L.P.)
→ Class A Common Stock (506,894 underlying)

Footnotes (5)

[F1]The 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, and Decisive Point Ventures II Master Fund, L.P.
[F2]Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, each share of Series Seed-1 Preferred Stock ("Series Seed-1 Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering (the "IPO") of its Class A Common Stock, each share of Series Seed-1 Preferred Stock shall automatically convert into shares of Class A Common Stock at a ratio of 1-for-1. The securities have no expiration date.
[F3]Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, each share of Series Seed Preferred Stock ("Series Seed Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the IPO of its Class A Common Stock, each share of Series Seed Preferred Stock shall automatically convert into shares of Class A Common Stock at a ratio of 1-for-1. The securities have no expiration date.
[F4]Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, each share of Series A Preferred Stock ("Series A Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the IPO of its Class A Common Stock, each share of Series A Preferred Stock shall automatically convert into shares of Class A Common Stock at a ratio of 1-for-1. The securities have no expiration date.
[F5]Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, each share of Series A-2 Preferred Stock ("Series A-2 Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the IPO of its Class A Common Stock, each share of Series A-2 Preferred Stock shall automatically convert into shares of Class A Common Stock at a ratio of 1-for-1. The securities have no expiration date.

Signature

Decisive Point Group, LLC By: /s/ Thomas Hendrix Name: Thomas Hendrix Title: Member|2026-07-15

Documents

1 file

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ownership.xmlPrimary
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