KB Financial Group (NYSE: KB) plans KRW 700,000,000,000 treasury share buyback

Rhea-AI Filing Summary

KB Financial Group Inc. has approved a new share repurchase program structured as a trust agreement with Samsung Securities Co., Ltd.. The board resolution dated July 23, 2026 authorizes a trust with a total contract amount of KRW 700,000,000,000, running from July 24, 2026 to December 16, 2026, to acquire treasury shares within profits available for dividends. The stated purpose is to increase shareholder return and corporate value. As of July 23, 2026, KB Financial Group held 3,581,623 treasury shares (1.0%). Based on the July 22, 2026 Korea Exchange closing price of KRW 175,100 per common share, the trust is expected to acquire approximately 3,997,715 common shares, though the actual number and amount may change with share price movements.

The treasury shares acquired through this trust are expected to be cancelled within one year after the trust’s contract period expires. Under calculations prepared in accordance with the Korean Commercial Code, the upper limit of profits available for dividends as of the end of the previous fiscal year was 3,728,302 million Won, and the resulting limitation on the acquisition amount of treasury shares as of July 23, 2026 was 1,143,918 million Won, after reflecting treasury shares already acquired, dividends, and related earnings surplus reserves.

Positive

• KRW 700,000,000,000 treasury share repurchase via trust with expected cancellation of acquired shares supports the stated goal of higher shareholder return and enhanced corporate value.

Negative

• None.

Key Figures

Total Contract Amount: KRW 700,000,000,000 Contract Period: July 24, 2026 to December 16, 2026 Treasury Shares Held: 3,581,623 shares (1.0%) +4 more

7 metrics

Total Contract Amount KRW 700,000,000,000 Trust agreement to acquire treasury shares approved on July 23, 2026

Contract Period July 24, 2026 to December 16, 2026 Duration of the treasury share acquisition trust with Samsung Securities

Treasury Shares Held 3,581,623 shares (1.0%) Treasury shares owned as of July 23, 2026

Shares Expected to be Acquired 3,997,715 common shares Calculated using KRW 175,100 closing price on July 22, 2026

Reference Share Price KRW 175,100 Closing price of KB Financial common shares on July 22, 2026

Upper Limit of Profits Available for Dividends 3,728,302 million Won As of end of previous fiscal year under Korean Commercial Code

Limitation on Acquisition Amount of Treasury Shares 1,143,918 million Won Calculated limit as of July 23, 2026 after adjustments

Key Terms

treasury shares, trust agreement, profits available for dividends, earnings surplus reserves, +1 more

5 terms

treasury shares financial

"Number of Treasury Shares owned as of July 23, 2026"

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

"resolved to enter into a trust agreement with Samsung Securities"

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

"to acquire treasury shares within the profits available for dividends"

earnings surplus reserves financial

"Dividends and related earnings surplus reserves resolved"

moving average method financial

"based on the moving average method applied to the acquisition cost"

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

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FAQ

What share repurchase has KB (KB Financial Group Inc.) approved in July 2026?

KB Financial Group approved a trust arrangement to buy back treasury shares with a total contract amount of KRW 700,000,000,000 between July 24 and December 16, 2026, using profits available for dividends under Korean law.

How many KB (KB Financial Group) shares are expected to be repurchased under the new trust?

Based on the July 22, 2026 closing price, the trust is expected to acquire about 3,997,715 common shares of KB Financial Group. This estimate uses a reference price of KRW 175,100 per share and may change with market price movements.

What is the purpose of KB (KB Financial Group)’s KRW 700,000,000,000 treasury share trust?

The stated purpose is to increase shareholder return and corporate value. Treasury shares bought under the trust are expected to be cancelled within one year after the contract period, which can concentrate value among remaining shareholders.

When will KB (KB Financial Group) cancel the treasury shares acquired through the trust?

Treasury shares acquired via the Samsung Securities trust are expected to be cancelled within one year after the expiration of the contract period, which ends on December 16, 2026, according to the board’s resolution details.

How many treasury shares did KB (KB Financial Group) already hold before this new buyback?

As of July 23, 2026, KB Financial Group held 3,581,623 treasury shares, representing 1.0% of its shares. The new trust is in addition to these existing holdings and targets further repurchases within legal profit limits.

What is the legal limit on KB (KB Financial Group)’s treasury share acquisitions under Korean rules?

Based on the Korean Commercial Code calculation, the upper limit of profits available for dividends was 3,728,302 million Won, and the resulting limitation on the acquisition amount of treasury shares as of July 23, 2026 was 1,143,918 million Won.

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: 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 ☐

Resolution to Enter into a Trust Agreement for the Acquisition of Treasury Shares

On July 23, 2026, the board of directors of KB Financial Group Inc. (“KB Financial Group”) resolved to enter into a trust agreement with Samsung Securities Co., Ltd. to acquire treasury shares within the profits available for dividends. The details are as follows:

Total Contract Amount				KRW 700,000,000,000
Contract Period		From		July 24, 2026
		To		December 16, 2026
Purpose of Acquisition				To increase shareholder return and corporate value
Contracting Party				Samsung Securities Co., Ltd.
Expected Date of Agreement				July 24, 2026
Number of Treasury Shares owned as of July 23, 2026				3,581,623 shares (1.0%)
Date of Resolution by the Board of Directors				July 23, 2026
Number of Shares Expected to be Acquired		Common Shares		3,997,715
		Other Shares		—
Price of Shares Expected to be Acquired		Common Shares		175,100
		Other Shares		—
Expected Holding Period After Acquisition				Less than one (1) year after the expiration of the contract period of the trust agreement
Other Material Information for an Investment Decision				• The “Total Contract Amount” above is the acquisition amount determined through the resolution of the board of directors passed on the date as provided above. • The “Number of Shares Expected to be Acquired” and “Price of Shares Expected to be Acquired” above are calculated based on the closing price of common shares of KB Financial Group on the Korea Exchange as of July 22, 2026 (one day prior to the date of the resolution of the board of directors), which was KRW 175,100. The actual number and amount of shares to be acquired are subject to change depending on fluctuations in share price. • The treasury shares acquired through this trust agreement are expected to be cancelled within one (1) year after the expiration of the contract period of the trust agreement.

 Limitation on the acquisition amount of treasury shares as of July 23, 2026:

(Unit: in millions of Won)

Items		Amount
1. Upper limit of profits available for dividends as of the end of the previous fiscal year in accordance with the Korean Commercial Code			3,728,302
2. Amount of treasury shares acquired since the end of the previous fiscal year			1,200,000
3. Dividends and related earnings surplus reserves resolved at the annual general shareholders’ meeting held after the end of the previous fiscal year			573,768
4. Quarterly/interim dividends and related earnings surplus reserves resolved at the meeting of the board of directors after the end of the previous fiscal year			810,616
5. Contract amount for the trust agreement			—
6. Acquisition cost of the treasury shares if disposed after the end of the previous fiscal year (based on the moving average method applied to the acquisition cost)			—
Limitation on the acquisition amount of treasury shares (1-2-3-4-5+6)			1,143,918

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: July 23, 2026						By: /s/ Sang Rok Na
						(Signature)
						Name: Sang Rok Na
						Title: Senior Managing Director and Chief Financial Officer