Hennessy's Robert Carilli Holds 30.2M Shares

The transaction also made ONE Nuclear Energy, LLC a direct, wholly owned subsidiary of Hennessy Capital Investment Corp. VII.

Rhea-AI Filing Summary

Hennessy Capital Investment Corp. VII reports that its Chief Strategy Officer, director and 10% owner Robert Carilli directly held 30,237,851 common shares as of September 23, 2026. The shares were issued to him in connection with the business combination consummated that day, under which ONE Nuclear Energy, LLC became a direct, wholly owned subsidiary and Hennessy Capital Investment Corp. VII was renamed ONE Nuclear Energy Inc.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Carilli Robert

Role Chief Strategy Officer

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 30,237,851 shares (Direct)

Key Figures

Direct common shares held: 30,237,851 shares Common stock par value: $0.0001 per share Business combination date: September 23, 2026

3 metrics

Direct common shares held 30,237,851 shares Reported position as of September 23, 2026

Common stock par value $0.0001 per share Common stock issued in connection with the business combination

Business combination date September 23, 2026 The business combination was consummated on this date

Key Terms

par value, business combination, wholly-owned subsidiary

3 terms

par value financial

"common stock, par value $0.0001 per share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

business combination financial

"in connection with the business combination consummated"

A business combination happens when two or more companies join together to operate as one, like two friends merging their teams into a single group. This is important because it can change how companies grow, compete, and make money, often making them bigger and more powerful in the market.

wholly-owned subsidiary financial

"became a direct, wholly-owned subsidiary"

A wholly-owned subsidiary is a company whose entire ownership is held by another company, called the parent, so the parent controls all shares, board appointments and major decisions. For investors this matters because the subsidiary’s profits, losses, assets and liabilities are treated as part of the parent’s financial picture, affecting valuation and risk exposure — imagine a parent owning a single storefront outright and consolidating its receipts and bills into the parent’s books.

FAQ

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How many shares did HVII Chief Strategy Officer Robert Carilli hold?

Robert Carilli directly held 30,237,851 shares of common stock as of September 23, 2026.

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Available on EDGAR 09/25/2026 - 04:37 PM Accepted by SEC EDGAR 09/25/2026 - 04:25 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED 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^*

Carilli Robert

(Last) (First) (Middle)

C/O ONE NUCLEAR ENERGY INC.

700 S. ROSEMARY AVENUE, SUITE 204

(Street)

WEST PALM BEACH FLORIDA 33401

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
09/23/2026

3. Issuer Name and Ticker or Trading Symbol
ONE Nuclear Energy Inc. [ ONEN ]

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)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Strategy Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
Common Stock	30,237,851	D

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 Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Comprised of 30,237,851 shares of common stock, par value $0.0001 per share, of ONE Nuclear Energy Inc. issued to the Reporting Person in connection with the business combination consummated on September 23, 2026 by Hennessy Capital Investment Corp. VII, Solis Merger Sub LLC and ONE Nuclear Energy, LLC, pursuant to which ONE Nuclear Energy, LLC became a direct, wholly-owned subsidiary of Hennessy Capital Investment Corp. VII and Hennessy Capital Investment Corp. VII was renamed ONE Nuclear Energy Inc.

	/s/ Robert Carilli	09/25/2026
	** 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 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)