Form: 4

Statement of changes in beneficial ownership of securities

SEC Form 4
FORM 4 UNITED 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
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 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 NY 10010
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Standard Nuclear, Inc. [ STDN ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
07/17/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Class A Common Stock 07/17/2026 C 3,849,782 A (1) 3,849,782 D(2)(3)(4)
Class A Common Stock 07/17/2026 C 2,027,576 A (1) 2,027,576 I By Fundomo SN-002, LP(2)(3)(4)
Class A Common Stock 07/17/2026 C 14,000,000 A (1) 14,000,000 I By 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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Preferred Stock (1) 07/17/2026 C 3,849,782 (1) (1) Class A Common Stock 3,849,782 $0 0 D(2)(3)(4)
Series A-2 Preferred Stock (1) 07/17/2026 C 2,027,576 (1) (1) Class A Common Stock 2,027,576 $0 0 I By Fundomo SN-002, LP(2)(3)(4)
Series Seed-1 Preferred Stock (1) 07/17/2026 C 14,000,000 (1) (1) Class A Common Stock 14,000,000 $0 0 I By 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 NY 10010
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Fundomo SN-002, LP
(Last) (First) (Middle)
401 PARK AVE. S.
10TH FLOOR
(Street)
NEW YORK NY 10016
(City) (State) (Zip)
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 Member 07/21/2026
Fundomo SN-002, LP. By: Fundomo SN-002 GP, LLC, its general partner, By: /s/ Corey Nobile, Sole Member 07/21/2026
** Signature of Reporting Person Date

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).

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