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Standard Nuclear (STDN) 10% holder reports 14M convertible preferred

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

ST-1014 Fund I, a series of Fundomo Syndicates, LP, as a 10% owner of Standard Nuclear, Inc., reports direct holdings of 14,000,000 shares of Series Seed-1 Preferred Stock, each automatically convertible into one share of Class A Common Stock upon completion of the issuer’s IPO, with no expiration date. Voting and dispositive power over these shares has been irrevocably delegated to an unaffiliated third-party investment adviser, and ST-1014 Fund I disclaims beneficial ownership except to the extent of its pecuniary interest.

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Insider ST-1014 Fund I, a series of Fundomo Syndicates, LP
Role 10% Owner
Type Security Shares Price Value
holding Series Seed-1 Preferred Stock F1, F2, F3 -- -- --
Holdings After Transaction: Series Seed-1 Preferred Stock — 14,000,000 shares (Direct)
Footnotes (3)
  1. F1. In connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed-1 Preferred Stock will automatically convert into shares of Class A Common Stock of the Issuer at a ratio of 1-for-1. The securities have no expiration date.
  2. F2. ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I"), may be considered an affiliate of Fundomo SN-001, LP ("SN-001"), Fundomo SN-002, LP ("SN-002"), Fundomo SN-001 GP, LLC ("SN-001 GP"), and Fundomo SN-002 GP, LLC ("SN-002 GP"), but voting and dispositive power over the shares held directly by ST-1014 Fund I has been delegated on an irrevocable basis to an unaffiliated third-party investment adviser pursuant to the terms of ST-1014 Fund I's limited partnership agreement, and none of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.
  3. F3. The reporting person disclaims beneficial ownership of the reported securities (except to the extent of such person's pecuniary interest in such securities). The filing of this statement by the reporting person shall not be deemed an admission that such person is, for purposes of Section 16 of the Securities and Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this statement.
Series Seed-1 Preferred Shares Held 14000000.0000 shares Direct holdings reported by ST-1014 Fund I
Underlying Class A Common Shares 14000000.0000 shares Shares issuable upon 1-for-1 conversion of preferred stock
Conversion Ratio 1-for-1 Each Series Seed-1 Preferred share converts into one Class A Common share
Series Seed-1 Preferred Stock financial
"Reported security title is "Series Seed-1 Preferred Stock""
Class A Common Stock financial
"Underlying security title is "Class A Common Stock""
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
voting and dispositive power regulatory
"but voting and dispositive power over the shares held directly"
beneficial ownership regulatory
"The reporting person disclaims beneficial ownership of the reported securities"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"except to the extent of such person's pecuniary interest in such securities"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What does the Standard Nuclear (STDN) Form 3 filing report for ST-1014 Fund I?

It reports that ST-1014 Fund I is a 10% owner of Standard Nuclear, holding 14,000,000 Series Seed-1 Preferred shares. These are directly held, convertible into Class A Common Stock, and subject to specific voting and beneficial ownership arrangements.

How many shares tied to Standard Nuclear (STDN) does ST-1014 Fund I report?

ST-1014 Fund I reports 14,000,000 shares of Series Seed-1 Preferred Stock, with 14,000,000 underlying Class A Common shares. The preferred shares are reported as directly held and appear as a holding entry rather than a new purchase or sale.

What are the conversion terms of the Series Seed-1 Preferred Stock in the STDN filing?

Each Series Seed-1 Preferred share will automatically convert 1-for-1 into a share of Class A Common Stock upon completion of Standard Nuclear’s IPO. The securities have no expiration date, meaning the conversion right does not lapse over time.

Who has voting and dispositive power over the STDN shares held by ST-1014 Fund I?

Voting and dispositive power over the reported shares is delegated to an unaffiliated third-party investment adviser. ST-1014 Fund I notes this delegation is irrevocable under its limited partnership agreement, and related Fundomo entities do not control these shares.

How does ST-1014 Fund I describe its beneficial ownership of Standard Nuclear (STDN) shares?

ST-1014 Fund I disclaims beneficial ownership of the reported securities, except to the extent of its pecuniary interest. It also states that the filing should not be considered an admission of beneficial ownership for Section 16 or other purposes.

Does the Standard Nuclear (STDN) Form 3 show any recent buy or sell transactions?

No. The Form 3 lists a holding entry for 14,000,000 Series Seed-1 Preferred shares, and the transaction summary shows zero purchases and zero sales. It functions as an initial statement of existing ownership, not a report of new trades.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
ST-1014 Fund I, a series of Fundomo Syndicates, LP

(Last)(First)(Middle)
PO BOX 3217

(Street)
SEATTLE WASHINGTON 98114

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
07/15/2026
3. Issuer Name and Ticker or Trading Symbol
Standard Nuclear, Inc. [ STDN ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Series Seed-1 Preferred Stock (1) (1)Class A Common Stock14,000,000(1)D(2)(3)
Explanation of Responses:
1. In connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed-1 Preferred Stock will automatically convert into shares of Class A Common Stock of the Issuer at a ratio of 1-for-1. The securities have no expiration date.
2. ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I"), may be considered an affiliate of Fundomo SN-001, LP ("SN-001"), Fundomo SN-002, LP ("SN-002"), Fundomo SN-001 GP, LLC ("SN-001 GP"), and Fundomo SN-002 GP, LLC ("SN-002 GP"), but voting and dispositive power over the shares held directly by ST-1014 Fund I has been delegated on an irrevocable basis to an unaffiliated third-party investment adviser pursuant to the terms of ST-1014 Fund I's limited partnership agreement, and none of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.
3. The reporting person disclaims beneficial ownership of the reported securities (except to the extent of such person's pecuniary interest in such securities). The filing of this statement by the reporting person shall not be deemed an admission that such person is, for purposes of Section 16 of the Securities and Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this statement.
ST-1014 Fund I, a series of Fundomo Syndicates, LP. By: Fund GP, LLC, its General Partner. By: Belltower Fund Group, Ltd., Agent. By: /s/ Paul Larkin, Authorized Person07/22/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)