STOCK TITAN

Fundomo funds convert 19,877,358 shares in Standard Nuclear, Inc. (STDN)

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Fundomo SN-001, LP and Fundomo SN-002, LP reported automatic 1-for-1 conversion of their Series Seed-1, Series A and Series A-2 Preferred Stock into Class A Common Stock of Standard Nuclear, Inc. immediately before the IPO. The conversions covered 19,877,358 Class A shares across affiliated entities, with voting and dispositive power over ST-1014 Fund I’s shares delegated to an unaffiliated adviser and beneficial ownership disclaimed except for pecuniary interests.

Positive

  • None.

Negative

  • None.
Insider Fundomo SN-001, LP, Fundomo SN-002, LP
Role 10% Owner | 10% Owner
Type Security Shares Price Value
Conversion Series A Preferred Stock F1, F2, F3, F4 3,849,782 $0.00 $0.00
Conversion Series A-2 Preferred Stock F1, F2, F3, F4 2,027,576 $0.00 $0.00
Conversion Series Seed-1 Preferred Stock F1, F2, F3, F4 14,000,000 $0.00 $0.00
Conversion Class A Common Stock F1, F2, F3, F4 3,849,782 -- --
Conversion Class A Common Stock F1, F2, F3, F4 2,027,576 -- --
Conversion Class A Common Stock F1, F2, F3, F4 14,000,000 -- --
Holdings After Transaction: Series A Preferred Stock — 0 shares (Direct); Series A-2 Preferred Stock — 0 shares (Indirect, By Fundomo SN-002, LP); Series Seed-1 Preferred Stock — 0 shares (Indirect, By ST-1014 Fund I, a series of Fundomo Syndicates, LP); Class A Common Stock — 3,849,782 shares (Direct); Class A Common Stock — 2,027,576 shares (Indirect, By Fundomo SN-002, LP); Class A Common Stock — 14,000,000 shares (Indirect, By ST-1014 Fund I, a series of Fundomo Syndicates, LP)
Footnotes (4)
  1. F1. The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock automatically converted into Class A Common Stock of the Issuer on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The securities had no expiration date.
  2. F2. Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.
  3. F3. ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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 the reporting persons named herein has voting or dispositive power over such shares.
  4. F4. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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 A Preferred converted 3,849,782 shares Series A Preferred Stock converted 1-for-1 into Class A Common Stock on 2026-07-17
Series A-2 Preferred converted 2,027,576 shares Series A-2 Preferred Stock converted 1-for-1 into Class A Common Stock on 2026-07-17
Series Seed-1 Preferred converted 14,000,000 shares Series Seed-1 Preferred Stock converted 1-for-1 into Class A Common Stock on 2026-07-17
Total shares from conversions 19,877,358 shares Aggregate Class A Common Stock from preferred conversions reported in this Form 4
Class A held by Fundomo SN-001, LP 3,849,782 shares Direct Class A Common Stock position following conversion of Series A Preferred
Class A held via Fundomo SN-002, LP 2,027,576 shares Indirect Class A Common Stock position following conversion of Series A-2 Preferred
Class A held by ST-1014 Fund I 14,000,000 shares Class A Common Stock held by ST-1014 Fund I; voting power delegated to third-party adviser
automatic conversion financial
"The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock automatically converted"
Class A Common Stock financial
"automatically converted into Class A Common Stock of the Issuer on a 1-for-1 basis"
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.
initial public offering financial
"on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
voting and dispositive power financial
"may be deemed to share voting and dispositive power with respect to the shares held directly"
beneficial ownership regulatory
"disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest"
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 or entity's pecuniary interest in such securities"

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

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FAQ

What did Fundomo SN-001, LP and Fundomo SN-002, LP report in Standard Nuclear (STDN)'s Form 4?

They reported automatic 1-for-1 conversion of Series Seed-1, Series A and Series A-2 Preferred Stock into Class A Common Stock immediately before Standard Nuclear’s IPO, resulting in direct and indirect holdings of Class A shares across Fundomo-related entities.

How many Standard Nuclear (STDN) shares were involved in the preferred stock conversions?

In total, 19,877,358 shares of Class A Common Stock were created through conversion: 3,849,782 from Series A, 2,027,576 from Series A-2 and 14,000,000 from Series Seed-1, all on 2026-07-17 immediately prior to the IPO closing.

Were the Standard Nuclear (STDN) conversions reported under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not selected, and the footnotes do not reference any trading plan, so the automatic conversions were not reported as executed pursuant to a Rule 10b5-1 or similar pre-arranged trading plan.

Who holds voting and dispositive power over ST-1014 Fund I’s Standard Nuclear (STDN) shares?

Voting and dispositive power over the 14,000,000 Class A shares held by ST-1014 Fund I has been irrevocably delegated to an unaffiliated third-party investment adviser; the reporting persons state they have no such power over those shares.

Do the reporting persons claim beneficial ownership of all Standard Nuclear (STDN) shares reported?

No. The reporting persons and entities disclaim beneficial ownership of the securities reported, except to the extent of their pecuniary interest, and clarify that the Form 4 does not constitute an admission of beneficial ownership under Section 16.

Which entities are identified as 10% owners in the Standard Nuclear (STDN) Form 4?

The Form 4 identifies Fundomo SN-001, LP and Fundomo SN-002, LP as 10% owners. Related general partners and an individual manager are described in the footnotes and will be reported separately once their CIK codes are available, if applicable.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Fundomo SN-001, LP

(Last)(First)(Middle)
401 PARK AVE. S.
10TH FLOOR

(Street)
NEW YORK NEW YORK 10010

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Standard Nuclear, Inc. [ STDN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/17/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock07/17/2026C3,849,782A(1)3,849,782D(2)(3)(4)
Class A Common Stock07/17/2026C2,027,576A(1)2,027,576IBy Fundomo SN-002, LP(2)(3)(4)
Class A Common Stock07/17/2026C14,000,000A(1)14,000,000IBy ST-1014 Fund I, a series of Fundomo Syndicates, LP(2)(3)(4)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Series A Preferred Stock(1)07/17/2026C3,849,782 (1) (1)Class A Common Stock3,849,782$00D(2)(3)(4)
Series A-2 Preferred Stock(1)07/17/2026C2,027,576 (1) (1)Class A Common Stock2,027,576$00IBy Fundomo SN-002, LP(2)(3)(4)
Series Seed-1 Preferred Stock(1)07/17/2026C14,000,000 (1) (1)Class A Common Stock14,000,000$00IBy ST-1014 Fund I, a series of Fundomo Syndicates, LP(2)(3)(4)
1. Name and Address of Reporting Person*
Fundomo SN-001, LP

(Last)(First)(Middle)
401 PARK AVE. S.
10TH FLOOR

(Street)
NEW YORK NEW YORK 10010

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Fundomo SN-002, LP

(Last)(First)(Middle)
401 PARK AVE. S.
10TH FLOOR

(Street)
NEW YORK NEW YORK 10016

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock automatically converted into Class A Common Stock of the Issuer on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The securities had no expiration date.
2. Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.
3. ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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 the reporting persons named herein has voting or dispositive power over such shares.
4. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.
Remarks:
SN-001 GP, SN-002 GP, and Corey Nobile will be reported as Reporting Persons on a subsequent or separate Form 4, if applicable, once CIK codes are received. Any information required to be reported on behalf of ST-1014 Fund I and its related beneficial owners will be filed separately, as applicable.
Fundomo SN-001, LP. By: Fundomo SN-001 GP, LLC, its general partner, By: /s/ Corey Nobile, Sole Member07/21/2026
Fundomo SN-002, LP. By: Fundomo SN-002 GP, LLC, its general partner, By: /s/ Corey Nobile, Sole Member07/21/2026
** 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 4 (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 4: SEC 1474 (03-26)