KB Financial Group buys back 3.96M shares for KRW 698B

The trust agreement’s contracted amount was KRW 700,000,000,000, and the share acquisition remained ongoing as of October 23, 2026.

Rhea-AI Filing Summary

KB Financial Group Inc. acquired 3,960,000 common shares under its trust agreement from July 23, 2026 through October 23, 2026, with a total acquisition amount of KRW 698,152,000,000.

As of October 23, 2026, it held 7,541,623 treasury shares, equal to 2.13% of total issued common shares. The reported aggregate amount for those treasury shares was KRW 1,291,256,000,000.

Filing Explained

The trust-agreement buyback was still ongoing on October 23, so the company had not reported its final treasury-share total and that total may still change as the program continues.

Key Figures

Common shares acquired: 3,960,000 shares Total acquisition amount: KRW 698,152,000,000 Contracted amount: KRW 700,000,000,000 +4 more

7 metrics

Common shares acquired 3,960,000 shares Under the trust agreement from July 23, 2026 through October 23, 2026

Total acquisition amount KRW 698,152,000,000 Shares acquired under the trust agreement from July 23, 2026 through October 23, 2026

Contracted amount KRW 700,000,000,000 Trust agreement

Treasury shares held 7,541,623 shares As of October 23, 2026

Treasury shares as a percentage of total issued shares 2.13% As of October 23, 2026

Total issued common shares 354,687,734 shares Basis for the reported treasury-share percentages

Aggregate amount of treasury shares held KRW 1,291,256,000,000 As of October 23, 2026

Key Terms

treasury shares, Trust Agreement, profits available for dividends

3 terms

treasury shares financial

"details of KB Financial Group’s treasury shares"

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.

Trust Agreement financial

"enter into a trust agreement with Samsung Securities Co., Ltd."

A trust agreement is the written contract that creates a trust and spells out who will manage specified assets, who benefits, and the rules for how those assets are handled and distributed. For investors it matters because the agreement determines control, timing of payments, protection of assets, and who is responsible if something goes wrong—much like a detailed recipe and set of house rules that guide how money or property is used and safeguarded.

profits available for dividends financial

"within its profits available for dividends"

FAQ

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

How many shares did KB Financial Group (KB) acquire under its trust agreement?

KB Financial Group acquired 3,960,000 common shares from July 23, 2026 through October 23, 2026, with a total acquisition amount of KRW 698,152,000,000. The acquisition was still ongoing.

How many treasury shares did KB Financial Group (KB) hold as of October 23, 2026?

KB Financial Group held 7,541,623 treasury shares as of October 23, 2026, equal to 2.13% of total issued common shares. The reported aggregate amount for those shares was KRW 1,291,256,000,000.

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

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

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Available on EDGAR 10/26/2026 - 06:02 AM EDT Accepted by SEC EDGAR 10/26/2026 - 06:02 AM EDT 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 October 2026

Commission File Number: 000-53445

KB Financial Group Inc.

(Translation of registrant’s name into English)

26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul 07331, Korea

(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 ☐

Update on the Acquisition of Treasury Shares through a Trust Agreement

On October 26, 2026, KB Financial Group Inc. (“KB Financial Group”) disclosed the interim results for its currently ongoing share buyback program which commenced on July 23, 2026 through a resolution made by its board of directors to enter into a trust agreement with Samsung Securities Co., Ltd. (the “Trust Agreement”) to acquire treasury shares within its profits available for dividends, as previously disclosed on July 23, 2026.

The details of KB Financial Group’s treasury shares as of October 23, 2026 are as follows:

Treasury shares held prior to the acquisition of shares under the Trust Agreement (A)		Type of Shares		Common Shares
		Number of Shares		3,581,623
		Percentage of Total Issued Shares(1)		1.01%
		Total Amount (Unit: millions of KRW)		591,256
Treasury shares acquired pursuant to the Trust Agreement from July 23, 2026 to October 23, 2026 (B)		Type of Shares		Common Shares
		Number of Shares Acquired (2)		3,960,000
		Percentage of Total Issued Shares(1)		1.12%
		Total Acquisition Amount (Unit: millions of KRW) (2)		698,152
		Contracted Amount (Unit: millions of KRW) (3)		700,000
Total treasury shares held (A+B)		Type of Shares		Common Shares
		Number of Shares		7,541,623
		Percentage of Total Issued Shares(1)		2.13%
		Aggregate Amount (Unit: millions of KRW)		1,291,256

Notes: (1)   Based on the total number of 354,687,734 shares of common stock issued.

(2) Based on the shares actually acquired as of October 23, 2026 pursuant to the Trust Agreement.

(3) The total contracted amount is the total number of shares to be acquired pursuant to the Trust Agreement.

The acquisition of treasury shares pursuant to the Trust Agreement is still ongoing.

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.

						KB Financial Group Inc.
						(Registrant)
Date: October 26, 2026						By:		/s/ Sang Rok Na
						(Signature)
						Name: Sang Rok Na
						Title: Senior Managing Director and Chief Financial Officer