# EDGAR Filing Document

**Accession Number:** 0001335730
**File Stem:** 0001193125-26-227825
**Filing Date:** 2026-5
**Character Count:** 3204
**Document Hash:** 794d3a42e7c3609ec7343f436e0d0cba
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-227825.hdr.sgml**: 20260518

**ACCESSION NUMBER**: 0001193125-26-227825

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260518

**FILED AS OF DATE**: 20260518

**DATE AS OF CHANGE**: 20260518

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MIZUHO FINANCIAL GROUP INC
- **CENTRAL INDEX KEY:** 0001335730
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33098
- **FILM NUMBER:** 26990681

**BUSINESS ADDRESS:**
- **STREET 1:** 1-5-5, OTEMACHI
- **CITY:** CHIYODA-KU, TOKYO
- **STATE:** M0
- **ZIP:** 100-8176
- **BUSINESS PHONE:** 81-3-5224-1111

**MAIL ADDRESS:**
- **STREET 1:** 1-5-5, OTEMACHI
- **CITY:** CHIYODA-KU, TOKYO
- **STATE:** M0
- **ZIP:** 100-8176

**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 ☐

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**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.

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| | |
|:---|:---|
| Date: | May 18, 2026 |
| Mizuho Financial Group, Inc. | Mizuho Financial Group, Inc. |
| By: | /s/ Makoto Samejima |
| Name: | Makoto Samejima |
| Title: | Senior Managing Corporate Executive / Group CFO |

---

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May 18, 2026

To whom it may concern:

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| | |
|:---|:---|
| Company Name: | Mizuho Financial Group, Inc. |
| Representative: | Masahiro Kihara, President & Group CEO |
| Head Office: | 1-5-5 Otemachi, Chiyoda-ku, Tokyo |
| Stock Code Number: | 8411 |
|  | (Tokyo Stock Exchange (Prime Market)) |

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**<u>Regarding News Reports</u>**

Yomiuri Shimbun carried reports yesterday about our investment in Rakuten Bank, Ltd. (Head Office: Minato-ku, Tokyo; President & CEO: Tomotaka Torin). However, this information was not announced by our company.

Although we are currently conducting various examinations, including the possibility of investing in Rakuten Bank, Ltd., based on the announcement dated February 25, 2026, made by Rakuten Group, Inc. (Head Office: Setagaya-ku, Tokyo; Chairman & CEO: Hiroshi Mikitani) and Rakuten Bank, titled "Notice Concerning the Re-Commencement of Discussions toward the Reorganization of Rakuten's FinTech Business" , we have not made any decision at present. We will disclose any pertinent information in a timely and appropriate manner once a decision is made on the disclosure of such information.

End of document