SMFG plans 2-for-1 stock split and ADR change

Sumitomo Mitsui Financial Group, Inc. plans a 2-for-1 stock split of its common shares, subject to approval of related Articles of Incorporation amendments at the 24th Ordinary General Meeting of Shareholders scheduled for June 26, 2026.

Rhea-AI Filing Summary

Sumitomo Mitsui Financial Group, Inc. plans a 2-for-1 stock split of its common shares, subject to approval of related Articles of Incorporation amendments at the 24th Ordinary General Meeting of Shareholders scheduled for June 26, 2026.

Each common share held on the September 30, 2026 record date will become 2 shares, increasing issued shares from 3,827,498,140 to 7,654,996,280. The total number of authorized shares will rise from 9,000,564,000 to 18,000,564,000, effective October 1, 2026.

To keep the U.S.-listed American Depositary Receipt price level broadly stable, the ADR ratio will change on October 1, 2026 from 1 ADR representing 0.6 common share to 1 ADR representing 1.2 common shares, with SMFG ADRs continuing to trade on the NYSE.

Key Figures

Pre-split issued shares: 3,827,498,140 shares Shares added by split: 3,827,498,140 shares Post-split issued shares: 7,654,996,280 shares +5 more

8 metrics

Pre-split issued shares 3,827,498,140 shares Total number of issued shares before the stock split

Shares added by split 3,827,498,140 shares Number of shares to be increased by the 2-for-1 stock split

Post-split issued shares 7,654,996,280 shares Total number of issued shares following the stock split

Post-split authorized shares 18,000,564,000 shares Total number of authorized shares after Articles of Incorporation amendment

ADR ratio (current) 1 ADR = 0.6 common share Existing ratio for SMFG ADRs on the NYSE

ADR ratio (new) 1 ADR = 1.2 common shares New ADR ratio effective October 1, 2026 (U.S. EDT)

Record date for split September 30, 2026 Shareholder record date for eligibility for the stock split

Effective date October 1, 2026 Effective date for stock split, ADR ratio change, and charter amendments

Key Terms

stock split, American Depositary Receipts, Articles of Incorporation, record date, +2 more

6 terms

stock split financial

"SMFG resolved to implement a stock split on its common stock"

A stock split increases the number of a company's shares by dividing each existing share into multiple new shares while reducing the price per share by the same proportion, so an investor's total value and ownership percentage stay the same. It matters because lower per-share prices can make trading easier and attract more buyers, similar to breaking a large chocolate bar into smaller pieces to make it easier to share, which can boost liquidity and market interest.

American Depositary Receipts financial

"a change in the ratio of its American Depositary Receipts (“ADRs”) to its common stock"

A certificate traded on U.S. markets that represents ownership of shares in a foreign company, letting U.S. investors buy and sell that company as if it were listed domestically. Think of it as a local voucher for a foreign product: it makes price quotes in dollars, trades on familiar exchanges, and brings differences in liquidity, fees and legal protections that can affect returns and risk compared with buying the underlying foreign shares directly.

Articles of Incorporation regulatory

"submit a proposal for partial amendments to 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.

record date financial

"shareholders listed or recorded in the closing register of shareholders on the record date of Wednesday, September 30, 2026"

The record date is the specific day when a company determines which shareholders are eligible to receive a dividend or participate in an upcoming vote. It’s like a cutoff date; if you own the stock on that day, you get the benefits or voting rights. This date matters because it decides who qualifies for certain company benefits.

authorized shares financial

"The total number of shares the Corporation is authorized to issue shall be nine billion five hundred sixty four thousand"

Authorized shares are the maximum number of shares a company is allowed to issue according to its official plan. Think of it as a company’s set limit on how many pieces of its ownership it can distribute to investors. This number helps investors understand the potential for future growth or change in the company's ownership structure.

Ordinary General Meeting of Shareholders regulatory

"the 24th Ordinary General Meeting of Shareholders scheduled for June 26, 2026"

An ordinary general meeting of shareholders is a company’s regular annual meeting where owners vote on routine but important matters such as electing the board, approving financial statements, appointing auditors and deciding dividend policy. Think of it like an annual homeowners’ meeting where basic rules, budget items and leadership are confirmed; its results directly affect corporate oversight, financial reporting and distributions, so investors monitor it for governance and payout signals.

FAQ

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

What stock split did Sumitomo Mitsui Financial Group (SMFG) announce?

SMFG approved a 2-for-1 stock split of its common shares. Each share held on the September 30, 2026 record date will become two shares, with the split scheduled to take effect on October 1, 2026, subject to related charter amendments.

How will SMFG’s total issued and authorized shares change after the split?

Issued shares are expected to increase from 3,827,498,140 to 7,654,996,280 after the 2-for-1 split. Total authorized shares will rise from 9,000,564,000 to 18,000,564,000, with the Articles of Incorporation amendments targeted to become effective October 1, 2026.

What changes are being made to SMFG’s ADR ratio on the NYSE?

SMFG will change its American Depositary Receipt ratio from 1 ADR representing 0.6 common share to 1 ADR representing 1.2 common shares. The new ratio is scheduled to take effect on October 1, 2026 (U.S. EDT) to help maintain the ADR trading price level.

When is the shareholder meeting to approve SMFG’s charter amendments?

SMFG plans to submit the stock-split-related charter amendments at its 24th Ordinary General Meeting of Shareholders. The meeting is scheduled for June 26, 2026, with the proposed Articles of Incorporation changes targeted to be effective October 1, 2026.

Why is SMFG implementing the stock split and ADR ratio change?

SMFG states the stock split aims to reduce the price per investment unit, creating a more investor-friendly environment and expanding its investor base. The ADR ratio change is intended to minimize impacts on ADR trading by maintaining the current ADR unit price level.

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

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Accepted by SEC EDGAR 05/13/2026 - 06:06 AM Learn about SEC filing dates

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 001-34919

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 ☐

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: May 13, 2026

May 13, 2026

Sumitomo Mitsui Financial Group, Inc.

Securities Code: 8316

Stock Split, Change in Ratio of ADRs to Common Stock,

and Partial Amendments to the Articles of Incorporation

Sumitomo Mitsui Financial Group, Inc. (“SMFG”) hereby announces that at the Board of Directors meeting held on May 13, 2026, SMFG resolved: to implement a stock split on its common stock and, accordingly, a change in the ratio of its American Depositary Receipts (“ADRs”) to its common stock; and to submit a proposal for partial amendments to its Articles of Incorporation for the stock split at the 24th Ordinary General Meeting of Shareholders scheduled for June 26, 2026.

1. Stock Split

(1) Purpose of the stock split

By reducing the stock price per investment unit, SMFG seeks to develop a more investor-friendly environment and expand the investor base.

(2) Method of the stock split

Each share of common stock owned by shareholders listed or recorded in the closing register of shareholders on the record date of Wednesday, September 30, 2026 will be split into 2 shares per share.

(3) Increase in the number of shares due to the stock split

				1) Total number of issued shares before the stock split			3,827,498,140 shares
				2) Number of shares to be increased by the stock split			3,827,498,140 shares
				3) Total number of issued shares following the stock split			7,654,996,280 shares
				4) Total number of authorized shares following the stock split			18,000,564,000 shares

* The number of shares in 1), 2) and 3) above subject to change prior to the record date, defined in (2) above.

(4) Schedule for the stock split

				1) Public notice of record date		Tuesday, September 15, 2026 (tentative)
				2) Record date		Wednesday, September 30, 2026
				3) Effective date		Thursday, October 1, 2026

2. Change in Ratio of ADRs to Common Stock

(1) Purpose of the change in the ADR ratio

The purpose is to minimize impacts on the trading market for ADR holders by maintaining the current level of ADR unit price.

(2) Summary of the change in the ratio

		1) Current ratio		1 ADR : 0.6 common share
		2) New ratio		1 ADR : 1.2 common share
		3) Effective date of new ratio		Thursday, October 1, 2026 (U.S. EDT)
		4) Listed exchange		New York Stock Exchange (NYSE)
		5) Ticker symbol		SMFG
		6) U.S. Security Code number (CUSIP)		86562M209
		7) Depositary bank		Citibank, N.A.

3. Partial Amendments to the Articles of Incorporation for the Stock Split

(1) Purpose of amendments

To increase the total number of authorized shares and the total number of authorized shares of common stock in line with the ratio of the split of common stock, SMFG proposes that the amendments to the Articles of Incorporation become effective Thursday, October 1, 2026, which is when the stock split takes effect.

(2) Details of amendments

Existing Articles of Incorporation and the proposed amendments are set forth in the attached Exhibit.

(3) Schedule

Scheduled date of the General Meeting of Shareholders for the proposed amendments to the Articles of Incorporation: Friday, June 26, 2026

Scheduled effective date of the proposed amendments to the Articles of Incorporation: Thursday, October 1, 2026

Exhibit

Sumitomo Mitsui Financial Group, Inc.

Comparison Table of Existing Articles of Incorporation and Proposed Amendments

(Underlined parts are amended.)

Existing Articles of Incorporation		Proposed Amendments
(Total Number of Authorized Shares) Article 6. The total number of shares the Corporation is authorized to issue shall be nine billion five hundred sixty four thousand (9,000,564,000) shares. (Total Number of Authorized Shares of Each Particular Class of Shares) Article 7. The total number of shares the Corporation is authorized to issue shall consist of nine billion (9,000,000,000) common stocks, one hundred sixty seven thousand (167,000) type 5 preferred stocks, one hundred sixty seven thousand (167,000) type 7 preferred stocks, one hundred fifteen thousand (115,000) type 8 preferred stocks and one hundred fifteen thousand (115,000) type 9 preferred stocks.		(Total Number of Authorized Shares) Article 6. The total number of shares the Corporation is authorized to issue shall be eighteen billion five hundred sixty four thousand (18,000,564,000) shares. (Total Number of Authorized Shares of Each Particular Class of Shares) Article 7. The total number of shares the Corporation is authorized to issue shall consist of eighteen billion (18,000,000,000) common stocks, one hundred sixty seven thousand (167,000) type 5 preferred stocks, one hundred sixty seven thousand (167,000) type 7 preferred stocks, one hundred fifteen thousand (115,000) type 8 preferred stocks and one hundred fifteen thousand (115,000) type 9 preferred stocks.