organization · Reporting owner

Decisive Point Group, LLC

Disclosed activity across 1 company

Tapewire entity: 29647
SEC CIK: 0002145172

Reported relationships

Latest disclosed role at each company.

Company	Last reported as	Report date	Published
Standard Nuclear, Inc.STDN · Entity 4288	10% owner	July 16, 2026	July 17, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Standard Nuclear, Inc.

Report date July 16, 2026 · Filed July 17, 2026

Filing footnotes · ownership attribution and instrument terms

F1: Represents 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.

F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

F3: Pursuant 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.

Transaction history

JSON API

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries A-2 Preferred · Derivative	506,894	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 16 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point Ventures II Master Fund, L.P. Disclosed balance after: 0 Underlying: Class A Common Stock · 506,894 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries A-2 Preferred · Derivative	505,478	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 15 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear IV, LLC Disclosed balance after: 0 Underlying: Class A Common Stock · 505,478 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries A Preferred · Derivative	2,242,330	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 14 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear III Disclosed balance after: 0 Underlying: Class A Common Stock · 2,242,330 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries A Preferred · Derivative	1,154,934	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 13 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point Ventures II Master Fund, L.P. Disclosed balance after: 0 Underlying: Class A Common Stock · 1,154,934 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries Seed Preferred · Derivative	2,451,678	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 12 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear II Disclosed balance after: 0 Underlying: Class A Common Stock · 2,451,678 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries Seed-1 Preferred · Derivative	4,000,000	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 11 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point Ventures II Master Fund, L.P. Disclosed balance after: 0 Underlying: Class A Common Stock · 4,000,000 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionSeries Seed-1 Preferred · Derivative	5,800,000	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · derivative · entry 10 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear I Disclosed balance after: 0 Underlying: Class A Common Stock · 5,800,000 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_price: Pursuant 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. F3 · price: Pursuant 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. F3 · derivative.exercise_date: Pursuant 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. F3 · derivative.expiration_date: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	505,478	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 9 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear IV, LLC Disclosed balance after: 505,478 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	2,242,330	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 8 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear III Disclosed balance after: 2,242,330 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	2,451,678	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 7 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear II Disclosed balance after: 2,451,678 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	506,894	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 6 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point Ventures II Master Fund, L.P. Disclosed balance after: 7,411,828 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	1,154,934	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 5 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point Ventures II Master Fund, L.P. Disclosed balance after: 6,904,934 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	4,000,000	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 4 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point Ventures II Master Fund, L.P. Disclosed balance after: 5,750,000 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 17, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	ConversionClass A Common Stock	5,800,000	Not disclosed	Not disclosed	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 3 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear I Disclosed balance after: 5,800,000 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · price: Pursuant 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document
July 16, 2026 Filed Jul 17, 2026 20:05 UTC	Standard Nuclear, Inc. STDN · Entity 4288	PurchaseClass A Common Stock	1,275,496	$15.00	$19,132,440.00	Disclosure SEC source: 0001193125-26-307790 · ownership.xml · nonDerivative · entry 2 Decisive Point Group, LLC · CIK 0002145172 · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · Held by Decisive Point - Standard Nuclear V, LLC Disclosed balance after: 1,275,496 F1 · price: Represents 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. F2 · ownership.nature: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P. Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point - Standard Nuclear V, LLC	1,275,496	Reported balance After 2026-07-16 transaction · row 2 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 2 · 2026-07-16 · Purchase · Acquired 1,275,496 · Balance 1,275,496 F1: Represents 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point - Standard Nuclear I	5,800,000	Reported balance After 2026-07-17 transaction · row 3 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 3 · 2026-07-17 · Conversion · Acquired 5,800,000 · Balance 5,800,000 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point Ventures II Master Fund, L.P.	5,750,000	Reported balance After 2026-07-17 transaction · row 4 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 4 · 2026-07-17 · Conversion · Acquired 4,000,000 · Balance 5,750,000 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point Ventures II Master Fund, L.P.	7,411,828	Reported balance After 2026-07-17 transaction · row 6 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 6 · 2026-07-17 · Conversion · Acquired 506,894 · Balance 7,411,828 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point Ventures II Master Fund, L.P.	6,904,934	Reported balance After 2026-07-17 transaction · row 5 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 5 · 2026-07-17 · Conversion · Acquired 1,154,934 · Balance 6,904,934 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point - Standard Nuclear II	2,451,678	Reported balance After 2026-07-17 transaction · row 7 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 7 · 2026-07-17 · Conversion · Acquired 2,451,678 · Balance 2,451,678 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point - Standard Nuclear III	2,242,330	Reported balance After 2026-07-17 transaction · row 8 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 8 · 2026-07-17 · Conversion · Acquired 2,242,330 · Balance 2,242,330 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	IndirectHeld by Decisive Point - Standard Nuclear IV, LLC	505,478	Reported balance After 2026-07-17 transaction · row 9 Account identity is unresolved; indirect or unspecified ownership is not merged. 1 source row Row 9 · 2026-07-17 · Conversion · Acquired 505,478 · Balance 505,478 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series Seed-1 PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point - Standard Nuclear I	0	Reported balance After 2026-07-17 transaction · row 10 Instrument identity requires review; Table II rows are not merged. 1 source row Row 10 · 2026-07-17 · Conversion · Disposed 5,800,000 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series Seed-1 PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point Ventures II Master Fund, L.P.	0	Reported balance After 2026-07-17 transaction · row 11 Instrument identity requires review; Table II rows are not merged. 1 source row Row 11 · 2026-07-17 · Conversion · Disposed 4,000,000 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series Seed PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point - Standard Nuclear II	0	Reported balance After 2026-07-17 transaction · row 12 Instrument identity requires review; Table II rows are not merged. 1 source row Row 12 · 2026-07-17 · Conversion · Disposed 2,451,678 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series A PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point Ventures II Master Fund, L.P.	0	Reported balance After 2026-07-17 transaction · row 13 Instrument identity requires review; Table II rows are not merged. 1 source row Row 13 · 2026-07-17 · Conversion · Disposed 1,154,934 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series A PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point - Standard Nuclear III	0	Reported balance After 2026-07-17 transaction · row 14 Instrument identity requires review; Table II rows are not merged. 1 source row Row 14 · 2026-07-17 · Conversion · Disposed 2,242,330 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series A-2 PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point - Standard Nuclear IV, LLC	0	Reported balance After 2026-07-17 transaction · row 15 Instrument identity requires review; Table II rows are not merged. 1 source row Row 15 · 2026-07-17 · Conversion · Disposed 505,478 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Series A-2 PreferredSEC Table II · derivative / convertible security	IndirectHeld by Decisive Point Ventures II Master Fund, L.P.	0	Reported balance After 2026-07-17 transaction · row 16 Instrument identity requires review; Table II rows are not merged. 1 source row Row 16 · 2026-07-17 · Conversion · Disposed 506,894 · Balance 0 F3: Pursuant 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. F2: 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, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.
Class A Common StockSEC Table I · non-derivative	Direct	6,902,000	Reported balance Holding disclosure · report date 2026-07-16 · row 1 Holding and transaction disclosures are not merged. 1 source row Row 1 · Balance 6,902,000