6-K

MIZUHO FINANCIAL GROUP INC (MFG)

6-K 2025-06-27 For: 2025-06-27
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Added on April 05, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2025

Commission File Number 001-33098

Mizuho Financial Group, Inc.

(Translation of registrant’s name into English)

5-5, Otemachi 1-chome

Chiyoda-ku, Tokyo 100-8176

Japan

(Address ofprincipal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

THIS REPORT ON FORM 6-K SHALL BE DEEMED TO BE INCORPORATED BY REFERENCE INTO THE PROSPECTUS FORMING A PART OF MIZUHO FINANCIAL GROUP, INC.’S REGISTRATION STATEMENT ON FORM F-3 (FILE NO. 333-282497) AND TO BE A PART OF SUCH PROSPECTUS FROM THE DATE ON WHICH THIS REPORT IS FURNISHED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: June 27, 2025
Mizuho Financial Group, Inc.
By: /s/ Takefumi Yonezawa
Name: Takefumi Yonezawa
Title: Senior Managing Corporate Executive / Group CFO

June 27, 2025

To whom it may concern:

Mizuho Financial Group, Inc.

Filing of Extraordinary Report

Mizuho Financial Group, Inc. (“Mizuho Financial Group”) hereby announces that it filed today an extraordinary report concerning the results of the exercise of voting rights at the ordinary general meeting of shareholders of Mizuho Financial Group.

1. Reason for filing

Given that the proposals were adopted or rejected at the 23rd Ordinary General Meeting of Shareholders of Mizuho Financial Group held on June 24, 2025, Mizuho Financial Group filed the extraordinary report pursuant to Article 24-5, Paragraph 4 of the Financial Instruments and Exchange Act and Article 19, Paragraph 2, Item 9-2 of the Cabinet Office Ordinance on Disclosure of Corporate Affairs.

2. Description of report

(1) Date on which the ordinary general meeting of shareholders was held
June 24, 2025
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(2) Matters to be resolved
--- ---
Company proposal
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Proposal 1: Appointment of fourteen (14) directors
It was proposed that Mr. Yoshimitsu Kobayashi, Mr. Takashi Tsukioka, Mr. Kotaro Ohno, Mr. Hiromichi Shinohara, Ms. Yumiko Noda, Mr. Takakazu Uchida, Mr. Masahiko Tezuka, Ms. Yuki Ikuno,<br>Mr. Seiji Imai, Mr. Hisaaki Hirama, Mr. Masahiro Kihara, Mr. Hidekatsu Take, Mr. Mitsuhiro Kanazawa and Mr. Takefumi Yonezawa, fourteen (14) in total, be appointed to assume the office of director.
Shareholder proposals
Proposal 2: Partial amendment to the Articles of Incorporation (Disclosure of financial risk audit by Audit & Supervisory Board)
Proposal 3: Partial amendment to the Articles of Incorporation (Disclosure of assessment of clients’ climate change transition plans)

1

(3) Number of voting rights for approval, disapproval and abstention for the matters to be resolved, and therequirement for adoption and voting results thereof
Matters to be resolved Number of<br>approval<br>(units) Number of<br>disapproval<br>(units) Number of<br>abstention<br>(units) Approval<br>rate (%) Voting<br>result
--- --- --- --- --- --- --- --- --- --- ---
Proposal 1
Yoshimitsu Kobayashi 16,570,049 948,967 23,488 93 Adopted
Takashi Tsukioka 17,058,047 479,589 4,881 96 Adopted
Kotaro Ohno 17,178,634 359,002 4,881 97 Adopted
Hiromichi Shinohara 17,055,418 482,217 4,881 96 Adopted
Yumiko Noda 17,257,173 279,847 5,504 97 Adopted
Takakazu Uchida 12,944,616 4,592,385 5,504 73 Adopted
Masahiko Tezuka 17,443,144 94,501 4,881 98 Adopted
Yuki Ikuno 17,488,664 48,358 5,504 99 Adopted
Seiji Imai 14,747,762 2,789,849 4,881 83 Adopted
Hisaaki Hirama 15,878,330 1,659,295 4,881 89 Adopted
Masahiro Kihara 14,558,192 2,978,800 5,504 82 Adopted
Hidekatsu Take 17,011,118 526,507 4,881 96 Adopted
Mitsuhiro Kanazawa 17,244,698 292,939 4,881 97 Adopted
Takefumi Yonezawa 17,242,273 295,369 4,881 97 Adopted
Proposal 2 1,979,582 15,636,068 3,387 11 Rejected
Proposal 3 1,828,221 15,758,011 36,020 10 Rejected

Note: The requirement for adoption of the proposals is as follows:

Approval of a majority of the voting rights held by the shareholders present at the meeting who hold in aggregate<br>not less than one-third (1/3) of the voting rights of the shareholders entitled to exercise their voting rights is required for the adoption of Proposal 1.
Approval of not less than two-thirds (2/3) of the voting rights held by the shareholders present at the meeting<br>who hold in aggregate not less than one-third (1/3) of the voting rights of the shareholders entitled to exercise their voting rights is required for the adoption of Proposal 2 and Proposal 3.<br>
--- ---
(4) Reason for not counting a portion of the voting rights of the shareholders present at the ordinary generalmeeting of shareholders
--- ---

Since the adoption or rejection of all the proposals was conclusively decided by the exercise of the voting rights prior to the date of this general meeting and the number of voting rights of shareholders in attendance at this general meeting, whose approval or disapproval Mizuho Financial Group was able to confirm, the number of voting rights for approval, disapproval and abstention shown in the above table does not include a portion of those of the shareholders present at the general meeting.

-End-

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