Sumitomo Mitsui (SMFG) details 5.4M-share buyback under ¥180B program

Rhea-AI Filing Summary

Sumitomo Mitsui Financial Group, Inc. reported progress on its ongoing share repurchase program. The company bought back 5,439,500 common shares for a total of JPY 32,393,160,200 through market purchases based on a discretionary dealing contract from May 14 to May 31, 2026.

These repurchases are part of a Board-approved program dated May 13, 2026 that authorizes buying back up to 40,000,000 common shares, equivalent to 1.0% of issued shares excluding treasury stock, for up to JPY 180,000,000,000 during the period from May 14 to July 31, 2026.

Key Figures

Shares repurchased: 5,439,500 shares Amount repurchased: JPY 32,393,160,200 Authorized shares for buyback: Up to 40,000,000 shares +4 more

7 metrics

Shares repurchased 5,439,500 shares Aggregate number of common shares repurchased as of May 31, 2026

Amount repurchased JPY 32,393,160,200 Aggregate cash spent on share repurchases as of May 31, 2026

Authorized shares for buyback Up to 40,000,000 shares Maximum number of common shares approved for repurchase by Board resolution

Authorized buyback amount Up to JPY 180,000,000,000 Maximum total repurchase amount under Board authorization

Buyback share percentage 1.0% Authorized shares as percentage of issued shares excluding treasury stock

Repurchase period (executed) May 14, 2026 to May 31, 2026 Contract basis period for reported repurchases

Authorized repurchase period May 14, 2026 to July 31, 2026 Overall period approved by the Board for the buyback program

Key Terms

repurchase of its own shares, discretionary dealing contract, treasury stock, Articles of Incorporation, +1 more

5 terms

repurchase of its own shares financial

"hereby announces the progress of the repurchase of its own shares under Article 8"

discretionary dealing contract financial

"Market purchases based on a discretionary dealing contract regarding repurchase of its own shares"

treasury stock financial

"Equivalent to 1.0% of the number of shares issued (excluding treasury stock)"

Treasury stock is shares that a company has bought back from the public and kept in its own control rather than retiring them. Think of it like a company holding its own tickets in a drawer: those shares no longer vote or receive dividends while held, but the company can reissue or retire them later; this reduces the number of shares available to outside investors and can boost per‑share earnings and influence ownership and stock price.

Articles of Incorporation regulatory

"under Article 8 of its Articles of Incorporation pursuant to Paragraph 1 of Article 459"

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.

Companies Act regulatory

"pursuant to Paragraph 1 of Article 459 of the Companies Act"

Companies Act is the primary law that sets the rules for forming, running and winding up corporations, covering directors’ duties, shareholder rights, financial reporting, audits and insolvency. For investors it matters because those rules determine how transparent and accountable a company must be, what protections shareholders have, and how risks are managed—think of the Act as a rulebook and referee that helps ensure fair play and reliable information for investment decisions.

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Form 6-K: How Foreign Companies Report to the SEC →

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 2026

Commission File Number 001-34919

SUMITOMO MITSUI FINANCIAL GROUP, INC.

(Translation of registrant’s name into English)

1-2, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan

(Address of principal executive offices)

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 SUMITOMO MITSUI FINANCIAL GROUP, INC.’S REGISTRATION STATEMENT ON FORM F-3 (FILE NO. 333-276219) 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.

		Sumitomo Mitsui Financial Group, Inc.
		By:		/s/ Kunihito Takaichi
				Name:		Kunihito Takaichi
				Title:		Executive Officer & General Manager, Financial Accounting Dept.

Date: June 1, 2026

Sumitomo Mitsui Financial Group, Inc.

Notice regarding Progress of Repurchase of Own Shares

(Repurchase of Own Shares under the provisions of its Articles of Incorporation

pursuant to Paragraph 1 of Article 459 of the Companies Act)

		Tokyo, June 1, 2026 — Sumitomo Mitsui Financial Group, Inc. (President and Group CEO: Toru Nakashima) hereby announces the progress of the repurchase of its own shares under Article 8 of its Articles of Incorporation pursuant to Paragraph 1 of Article 459 of the Companies Act, as follows:
		1.		Type of shares repurchased:		Common stock
		2.		Aggregate number of shares repurchased:		5,439,500 shares
		3.		Aggregate amount repurchased:		JPY 32,393,160,200
		4.		Repurchase period:		From May 14, 2026 to May 31, 2026 (on a contract basis)
		5.		Repurchase method:		Market purchases based on a discretionary dealing contract regarding repurchase of its own shares
(Reference)
1.		Outline of the resolution of the meeting of the Board of Directors regarding the repurchase (May 13, 2026)
		(1)		Type of shares to be repurchased:		Common stock
		(2)		Aggregate number of shares to be repurchased:		Up to 40,000,000 shares (Equivalent to 1.0% of the number of shares issued (excluding treasury stock))
		(3)		Aggregate amount to be repurchased:		Up to JPY 180,000,000,000
		(4)		Repurchase period:		From May 14, 2026 to July 31, 2026
		(5)		Repurchase method:		Market purchases based on a discretionary dealing contract regarding repurchase of its own shares
2.		Aggregate number of shares and amount repurchased pursuant to the above resolution as of May 31, 2026
		Aggregate number of shares repurchased:				5,439,500 shares
		Aggregate amount repurchased:				JPY 32,393,160,200

FAQ

What share repurchase progress did SMFG report in this 6-K?

Sumitomo Mitsui Financial Group reported repurchasing 5,439,500 common shares for JPY 32,393,160,200. These shares were bought on the market between May 14 and May 31, 2026 under an existing Board-authorized buyback program.

What is the maximum size of Sumitomo Mitsui Financial Group (SMFG) share buyback program?

The Board authorized repurchasing up to 40,000,000 common shares, equal to 1.0% of issued shares excluding treasury stock. The total amount that may be spent under this program is capped at JPY 180,000,000,000 during the approved period.

Over what period is SMFG authorized to repurchase its own shares?

Sumitomo Mitsui Financial Group is authorized to repurchase shares from May 14, 2026 to July 31, 2026. The progress notice covers activity only through May 31, 2026, within this broader authorization window.

How did SMFG conduct the repurchase of its own shares?

The company used market purchases based on a discretionary dealing contract to buy back its shares. This structure allows a broker to execute buybacks within agreed parameters during the authorized period.

What legal basis does SMFG use for its share repurchase program?

The repurchase is conducted under Article 8 of SMFG’s Articles of Incorporation pursuant to Paragraph 1 of Article 459 of the Companies Act. This framework permits the company to buy back its own shares when properly authorized.