Mizuho reports zero ownership in Hadron Energy

Mizuho Financial Group, Inc. filed an amended Schedule 13G indicating that it now reports no beneficial ownership of Hadron Energy, Inc. common shares.

Rhea-AI Filing Summary

Mizuho Financial Group, Inc. filed an amended Schedule 13G indicating that it now reports no beneficial ownership of Hadron Energy, Inc. common shares. The filing lists 0 shares beneficially owned, representing 0.0% of the class, with no sole or shared voting or dispositive power. Mizuho is identified as a parent holding company and notes that it, along with certain affiliates, may be deemed indirect beneficial owners of equity securities held by its wholly owned subsidiary Mizuho Securities USA LLC.

Key Figures

Beneficially owned shares: 0 Percent of class owned: 0.0 % Sole voting power shares: 0 +3 more

6 metrics

Beneficially owned shares 0 Amount beneficially owned in Hadron Energy common shares

Percent of class owned 0.0 % Percent of Hadron Energy common shares beneficially owned

Sole voting power shares 0 Shares over which Mizuho has sole power to vote

Shared voting power shares 0 Shares over which Mizuho has shared power to vote

Sole dispositive power shares 0 Shares over which Mizuho has sole power to dispose

Shared dispositive power shares 0 Shares over which Mizuho has shared power to dispose

Key Terms

beneficially owned, dispositive power, Parent Holding Company, indirect beneficial owners, +1 more

5 terms

beneficially owned financial

"Amount beneficially owned: 0"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

dispositive power financial

"Sole power to dispose or to direct the disposition of: 0"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Parent Holding Company financial

"CUSIP No.: G38648104 | Parent Holding Company"

indirect beneficial owners financial

"may be deemed to be indirect beneficial owners of said equity securities"

Schedule 13D regulatory

"information that would otherwise be disclosed in a Schedule 13D"

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What change in ownership did HDRN report for Mizuho Financial Group in this Schedule 13G/A?

Mizuho Financial Group now reports 0 beneficially owned shares of Hadron Energy, Inc., representing 0.0% of the common shares, with no sole or shared voting or dispositive power disclosed.

What percentage of Hadron Energy (HDRN) does Mizuho Financial Group currently own?

Mizuho Financial Group reports owning 0.0% of Hadron Energy’s common shares. The filing specifies that 0 shares are beneficially owned and confirms ownership of 5 percent or less of the class.

How many HDRN shares does Mizuho Financial Group report as having voting power over?

Mizuho Financial Group reports no voting power over Hadron Energy shares, stating 0 shares with sole voting power and 0 shares with shared voting power, and similarly 0 for dispositive power.

How is Mizuho Financial Group classified in the Hadron Energy (HDRN) Schedule 13G/A?

Mizuho Financial Group is classified as a Parent Holding Company. The filing notes that it and certain affiliates may be deemed indirect beneficial owners of securities held by wholly owned subsidiary Mizuho Securities USA LLC.

What does the HDRN Schedule 13G/A say about Mizuho’s indirect beneficial ownership?

The filing states Mizuho Financial Group, Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed indirect beneficial owners of equity securities directly held by Mizuho Securities USA LLC, their wholly owned subsidiary.

When was the amended HDRN ownership report by Mizuho Financial Group signed?

The amended ownership report was signed on 08/13/2026 by Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department, certifying the accuracy of the disclosed information.

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

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Available on EDGAR 08/13/2026 - 06:38 AM Accepted by SEC EDGAR 08/13/2026 - 06:38 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Hadron Energy, Inc.

(Name of Issuer)

Common Shares

(Title of Class of Securities)

G38648104

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G38648104

1

Names of Reporting Persons

Mizuho Financial Group, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

JAPAN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

FI

Comment for Type of Reporting Person: Mizuho Financial Group, Inc., Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed to be indirect beneficial owners of said equity securities directly held by Mizuho Securities USA LLC which is their wholly-owned subsidiary.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Hadron Energy, Inc.
(b)	Address of issuer's principal executive offices: 3 Twin Dolphin Drive, Ste 260, Redwood City, CA 94065
Item 2.
(a)	Name of person filing: Mizuho Financial Group, Inc.
(b)	Address or principal business office or, if none, residence: 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan
(c)	Citizenship: Japan
(d)	Title of class of securities: Common Shares
(e)	CUSIP No.: G38648104
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
	Parent Holding Company
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit A
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to Parent Holding Company is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Mizuho Financial Group, Inc.

Signature:	/s/ Takahiro Katsura
Name/Title:	Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department
Date:	08/13/2026