Mizuho updates 2026 share repurchase progress

Mizuho Financial Group, Inc. reports progress on its ongoing share repurchase program.

Accepted by SEC EDGAR 07/01/2026 - 06:04 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Mizuho Financial Group, Inc. reports progress on its ongoing share repurchase program. Between June 1 and June 30, 2026, the company repurchased 3,217,600 shares of its common stock for a total of ¥24,772,914,900 through market purchases utilizing a trust method.

The buyback is part of a previously authorized program to repurchase up to 25,000,000 shares, equal to 1.0% of total shares outstanding excluding treasury stock as of March 31, 2026, for up to ¥100,000,000,000 during the period from May 18 to August 31, 2026. Cumulatively under this authorization, Mizuho has repurchased 5,302,700 shares for ¥39,573,651,100.

Insights

Banking equity analyst

Mizuho continues a modest, programmatic share buyback under a capped 1% authorization.

Mizuho Financial Group is executing a structured capital return via a share repurchase program limited to 25,000,000 shares, or 1.0% of shares outstanding excluding treasury stock as of March 31, 2026, and up to ¥100,000,000,000.

In June 2026 it bought 3,217,600 shares for ¥24,772,914,900, bringing cumulative repurchases to 5,302,700 shares and ¥39,573,651,100. This scale suggests a measured capital management action rather than a transformational balance sheet change.

Actual impact will depend on how much of the remaining capacity is used by August 31, 2026, the stated end of the program period, and how this interacts with future earnings and regulatory capital disclosures.

Key Figures

June 2026 shares repurchased: 3,217,600 shares June 2026 repurchase amount: ¥24,772,914,900 Program share limit: 25,000,000 shares +4 more

7 metrics

June 2026 shares repurchased 3,217,600 shares MHFG common stock repurchased June 1–30, 2026

June 2026 repurchase amount ¥24,772,914,900 Aggregate repurchase price for June 2026

Program share limit 25,000,000 shares Maximum shares to be repurchased; 1.0% of outstanding excluding treasury as of March 31, 2026

Program yen limit ¥100,000,000,000 Maximum aggregate repurchase price for program

Program period May 18, 2026 to August 31, 2026 Authorized repurchase window

Cumulative shares repurchased 5,302,700 shares Aggregate under current authorization

Cumulative repurchase amount ¥39,573,651,100 Aggregate amount paid under current authorization

Key Terms

market purchase utilizing trust method, forward-looking statements, Companies Act of Japan, Articles of Incorporation, +1 more

5 terms

market purchase utilizing trust method financial

"Repurchase method | | Market purchase utilizing trust method"

forward-looking statements regulatory

"This immediate release contains statements that constitute forward-looking statements within the meaning"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

Companies Act of Japan regulatory

"pursuant to the provisions of Article 156, Paragraph 1 of the Companies Act of Japan"

Articles of Incorporation regulatory

"in accordance with the provisions of Article 459, Paragraph 1 of the Companies Act and Article 47 of its Articles of Incorporation"

A formal legal document filed with a government authority that creates a corporation and sets its basic rules — for example the company name, business purpose, how many ownership shares can exist, and who can receive legal notices. It matters to investors because it defines ownership structure, voting rights, and limits on liability, shaping who controls the company and how future shares or dividends can affect an investor’s stake; think of it as the company’s birth certificate and rulebook.

Prime Market of Tokyo Stock Exchange financial

"Code Number: | | 8411 (Prime Market of Tokyo Stock Exchange)"

FAQ

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

How many Mizuho Financial Group (MFG) shares were repurchased in June 2026?

Mizuho Financial Group repurchased 3,217,600 common shares in June 2026. These were acquired between June 1 and June 30, 2026, through market purchases utilizing a trust method as part of its ongoing share repurchase program.

What was the total amount Mizuho (MFG) spent on share buybacks in June 2026?

Mizuho Financial Group spent ¥24,772,914,900 on share repurchases in June 2026. This aggregate repurchase price covered 3,217,600 common shares bought in the market under its authorized buyback program during that month.

What is the maximum size of Mizuho Financial Group’s 2026 share repurchase program?

The 2026 repurchase program allows Mizuho Financial Group to buy back up to 25,000,000 common shares. This equals 1.0% of total shares outstanding excluding treasury stock as of March 31, 2026, with a maximum aggregate repurchase amount of ¥100,000,000,000.

Over what period is Mizuho (MFG) conducting its current share buyback program?

Mizuho Financial Group’s current share repurchase program runs from May 18, 2026 to August 31, 2026. During this period, the company may buy back shares up to the stated share and yen limits through market purchases utilizing a trust method.

How much has Mizuho Financial Group repurchased cumulatively under the current authorization?

Cumulatively under the current authorization, Mizuho Financial Group has repurchased 5,302,700 shares. The aggregate amount paid for these buybacks is ¥39,573,651,100, reflecting purchases made since the start of the authorized period in May 2026.

What legal provisions govern Mizuho (MFG)’s current share repurchase program?

Mizuho’s share repurchase is conducted under Article 156, Paragraph 1 and Article 459, Paragraph 1 of Japan’s Companies Act. It is also based on Article 47 of Mizuho Financial Group’s Articles of Incorporation, which together authorize the ongoing buyback framework.

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 July 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 ☐

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: July 1, 2026 Mizuho Financial Group, Inc.
				By:		/s/ Makoto Samejima
				Name:		Makoto Samejima
				Title:		Senior Managing Corporate Executive / Group CFO

July 1, 2026

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

Notice regarding Progress of Repurchase of Our Common Stock

(Repurchase of our common stock pursuant to the provisions of Article 156, Paragraph 1 of the Companies Act, in accordance with the provisions of Article 459, Paragraph 1 of the Companies Act and the Articles of Incorporation of Mizuho Financial Group, Inc.)

Mizuho Financial Group, Inc. (“MHFG”) hereby announces the progress of the repurchase of its common stock pursuant to the provisions of Article 156, Paragraph 1 of the Companies Act of Japan (“Companies Act”) and in accordance with the provisions of Article 459, Paragraph 1 of the Companies Act and Article 47 of its Articles of Incorporation.

(1) Stock repurchased		MHFG common stock
(2) Aggregate shares repurchased		3,217,600 shares
(3) Aggregate repurchase price		¥24,772,914,900
(4) Repurchase period		June 1, 2026 to June 30, 2026 (trade date basis)
(5) Repurchase method		Market purchase utilizing trust method

(Reference)

1. Outline of the resolution of the meeting of the Board of Directors regarding the repurchase of common stock (May 15, 2026)

(1) Stock to be repurchased		MHFG common stock
(2) Aggregate shares to be repurchased		Up to a maximum of 25,000,000 shares
		(1.0% of total shares outstanding excluding treasury stock as of March 31, 2026)
(3) Aggregate amount of repurchase price		Up to a maximum of ¥100,000,000,000
(4) Repurchase period		From May 18, 2026 to August 31, 2026
(5) Repurchase method		Market purchase utilizing trust method

2. Aggregate number of shares and amount repurchased pursuant to the above resolution as of June 30, 2026

Aggregate number of shares repurchased		5,302,700 shares
Aggregate amount repurchased:		¥39,573,651,100

End of document

This immediate release contains statements that constitute forward-looking statements within the meaning of the United States Private Securities Litigation Reform Act of 1995, including estimates, forecasts, targets and plans. Such forward-looking statements do not represent any guarantee by management of future performance. Factors that could affect our financial condition and results of operations are included in “Item 3.D. Key Information—Risk Factors” and “Item 5. Operating and Financial Review and Prospects” in our most recent Form 20-F filed with the U.S. Securities and Exchange Commission (“SEC”), which is available in the Financial Information section of our web page at www.mizuhogroup.com and also at the SEC’s web site at www.sec.gov. We are under no obligation, and disclaim any obligation, to update or alter our forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by the rules of the Tokyo Stock Exchange.