Sumitomo Mitsui Financial Group (NYSE: SMFG) revises stock split share totals after treasury share cancellation

Why did SMFG revise the stock split share figures in August 2026?

When did SMFG’s board resolve to cancel treasury shares related to this revision?

Rhea-AI Filing Summary

FAQ

Q: What change is Sumitomo Mitsui Financial Group (SMFG) announcing in this 6-K?

Q: What are SMFG’s revised issued shares before and after the stock split?

Q: Did Sumitomo Mitsui Financial Group (SMFG) change its authorized shares in this update?

Key Figures

Key Terms

What change is Sumitomo Mitsui Financial Group (SMFG) announcing in this 6-K?

What are SMFG’s revised issued shares before and after the stock split?

Did Sumitomo Mitsui Financial Group (SMFG) change its authorized shares in this update?

Which earlier disclosures does this SMFG filing modify regarding the stock split?

The revision arises from cancellation of a portion of treasury shares under Article 178 of the Companies Act. Once the number of shares to be cancelled was finalized, the company adjusted the issued-share counts that will result from the stock split accordingly.

The cancellation of a portion of treasury shares was resolved by SMFG’s Board of Directors on May 13, 2026 . After the number of shares to be cancelled was finalized, the company updated the stock split-related share figures and disclosed them on August 3, 2026.

Sumitomo Mitsui Financial Group is revising share figures tied to a previously announced stock split. The update reflects cancellation of treasury shares, which affects issued-share totals before and after the split, while leaving all other stock split conditions unchanged.

After revision, total issued shares before the split are 3,801,124,893 , and the split will add another 3,801,124,893 shares. This results in total issued shares of 7,602,249,786 following the stock split, based on the updated figures.

No. The total number of authorized shares following the stock split remains 18,000,564,000 . Only the figures for issued shares before the split and the number of shares added by the split were revised; all other stock split conditions remain the same.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

6-K

Sumitomo Mitsui Financial Group, Inc. has revised the share figures related to its previously announced stock split. The revision follows cancellation of a portion of treasury shares under Article 178 of the Companies Act, which was resolved by the board on May 13, 2026 and finalized by August 3, 2026.

After revision, total issued shares before the stock split are 3,801,124,893, and the number of shares to be added through the split is also 3,801,124,893, resulting in total issued shares of 7,602,249,786 after the split. Total authorized shares following the split remain 18,000,564,000, and all other stock split conditions remain unchanged from the July 6, 2026 notice.

Issued shares before stock split (before revision): 3,829,143,493 shares Issued shares before stock split (revised): 3,801,124,893 shares Issued shares after stock split (revised): 7,602,249,786 shares +1 more

4 metrics

Issued shares before stock split (before revision) 3,829,143,493 shares Total number of issued shares before the stock split prior to revision

Issued shares before stock split (revised) 3,801,124,893 shares Revised total number of issued shares before the stock split

Issued shares after stock split (revised) 7,602,249,786 shares Total number of issued shares following the stock split after revision

Authorized shares after stock split 18,000,564,000 shares Total number of authorized shares following the stock split, unchanged by the revision

treasury shares, stock split, Article 178 of the Companies Act, authorized shares

4 terms

treasury shares financial

"These changes arise from the cancellation of a portion of SMFG’s treasury shares pursuant to Article 178"

Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.

stock split financial

"changes to the number of shares resulting from the stock split announced in the “Modification of Disclosed Matters”"

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.

Article 178 of the Companies Act regulatory

"cancellation of a portion of SMFG’s treasury shares pursuant to Article 178 of the Companies Act"

authorized shares financial

"Total number of authorized shares following the stock split | | 18,000,564,000 shares"

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.

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

Available on EDGAR 08/03/2026 - 06:17 AM Accepted by SEC EDGAR 08/03/2026 - 06:16 AM

Sumitomo Mitsui Financial Group is revising share figures tied to a previously announced stock split. The update reflects cancellation of treasury shares, which affects issued-share totals before and after the split, while leaving all other stock split conditions unchanged.

After revision, total issued shares before the split are 3,801,124,893, and the split will add another 3,801,124,893 shares. This results in total issued shares of 7,602,249,786 following the stock split, based on the updated figures.

No. The total number of authorized shares following the stock split remains 18,000,564,000. Only the figures for issued shares before the split and the number of shares added by the split were revised; all other stock split conditions remain the same.

Sumitomo Mitsui Financial Group, Inc.

/s/ Kunihito Takaichi

Kunihito Takaichi

Executive Officer & General Manager,
Financial Accounting Dept.

This filing modifies figures from the July 6, 2026 notice titled “Modification of Disclosed Matters: Notice of Changes to Certain Share Figures Related to the Stock Split.” It also references a separate August 3, 2026 notice on repurchase and cancellation of own shares.

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 August 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.

Date: August 3, 2026

August 3, 2026

Sumitomo Mitsui Financial Group, Inc.

Modification of Disclosed Matters: Notice of Changes to Certain Share Figures Related to the Stock Split

Sumitomo Mitsui Financial Group, Inc. (“SMFG”, President and Group CEO: Toru Nakashima) hereby announces the following changes to the number of shares resulting from the stock split announced in the “Modification of Disclosed Matters: Notice of Changes to Certain Share Figures Related to the Stock Split” dated July 6, 2026. These changes arise from the cancellation of a portion of SMFG’s treasury shares pursuant to Article 178 of the Companies Act, as announced in the “Notice regarding Progress and Completion of Repurchase of Own Shares, and Cancellation of Own Shares” dated August 3, 2026. There are no changes to the other conditions and matters relating to the stock split.

1.	Reason for revisions

The cancellation of a portion of SMFG’s treasury shares pursuant to Article 178 of the Companies Act at the Board of Directors was resolved at the meeting held on May 13, 2026, and as the number of shares to be cancelled has been finalized, the number of shares to be increased as a result of the stock split will change.

2.	Details of the Revisions (The underlined portions indicate the revisions.)

(Before revision)

Stock Split

(3)

Increase in the number of shares due to the stock split


1) Total number of issued shares before the stock split		3,829,143,493 shares
2) Number of shares to be increased by the stock split		3,829,143,493 shares
3) Total number of issued shares following the stock split		7,658,286,986 shares
4) Total number of authorized shares following the stock split		18,000,564,000 shares

(After revision)