Mizuho files FY 2026 meeting notice and report

Mizuho Financial Group, Inc. submitted a Form 6-K as a foreign private issuer to provide U.S. investors with English translations of materials filed in Japan.

Accepted by SEC EDGAR 05/28/2026 - 06:25 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Mizuho Financial Group, Inc. submitted a Form 6-K as a foreign private issuer to provide U.S. investors with English translations of materials filed in Japan. The filing furnishes the Notice of Convocation of the FY 2026 Ordinary General Shareholders’ Meeting and the Business Report for the period from April 1, 2025 to March 31, 2026, both originally filed with the Tokyo Stock Exchange.

Key Figures

Business Report period: April 1, 2025–March 31, 2026

1 metrics

Business Report period April 1, 2025–March 31, 2026 Fiscal period covered by Business Report in Exhibit 99.1

Key Terms

foreign private issuer, Form 20-F, Ordinary General Shareholders’ Meeting, Business Report

4 terms

foreign private issuer regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Form 20-F regulatory

"whether the registrant files or will file annual reports under cover of Form 20-F"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

Ordinary General Shareholders’ Meeting financial

"Notice of Convocation of FY 2026 Ordinary General Shareholders’ Meeting"

Business Report financial

"and 2) the Business Report for the period from April 1, 2025 to March 31, 2026"

FAQ

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

What did Mizuho Financial Group (MFG) submit in this Form 6-K?

Mizuho Financial Group submitted a Form 6-K furnishing English translations of two key documents: the Notice of Convocation of the FY 2026 Ordinary General Shareholders’ Meeting and the Business Report for April 1, 2025 to March 31, 2026, filed with the Tokyo Stock Exchange.

Which period does Mizuho Financial Group’s Business Report on this Form 6-K cover?

The Business Report covers the period from April 1, 2025 to March 31, 2026. This corresponds to Mizuho Financial Group’s fiscal year referenced as FY 2026 in the filing with the Tokyo Stock Exchange and in the English translation attached as Exhibit 99.1.

What is included as Exhibit 99.1 in Mizuho Financial Group (MFG)’s Form 6-K?

Exhibit 99.1 contains the English translation of the Notice of Convocation of the FY 2026 Ordinary General Shareholders’ Meeting and the Business Report for April 1, 2025 to March 31, 2026, mirroring documents filed with the Tokyo Stock Exchange on May 28, 2026.

Why is Mizuho Financial Group (MFG) using Form 6-K for these documents?

Mizuho Financial Group uses Form 6-K as a foreign private issuer to provide U.S. investors with English versions of important shareholder and business documents that were filed with the Tokyo Stock Exchange, ensuring consistent information access across markets.

Who signed Mizuho Financial Group (MFG)’s Form 6-K and in what capacity?

The Form 6-K was signed on behalf of Mizuho Financial Group by Makoto Samejima. He is identified in the filing as Senior Managing Corporate Executive and Group CFO, indicating executive-level authorization of the submitted report and attached exhibit.

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

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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 May 2026

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 of principal 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 ☐

Attached to this Form 6-K as Exhibit 99.1 are English translations of 1) the Notice of Convocation of FY 2026 Ordinary General Shareholders’ Meeting, and 2) the Business Report for the period from April 1, 2025 to March 31, 2026, each as filed by the registrant with the Tokyo Stock Exchange on May 28, 2026.

EXHIBIT INDEX

Exhibit		Description
99.1		Notice of Convocation of FY 2026 Ordinary General Shareholders’ Meeting, and the Business Report for the period from April 1, 2025 to March 31, 2026 (English Translation)

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: May 28, 2026
Mizuho Financial Group, Inc.
By:		/s/ Makoto Samejima
Name:		Makoto Samejima
Title:		Senior Managing Corporate Executive / Group CFO

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EX-99.1 3.5 MB