KB Financial Group: largest holder's stake falls to 9.17%

KB Financial Group Inc. reported that its largest shareholder, the Korean National Pension Service, held 32,536,871 common shares, or 9.17% of the company’s 354,687,734 total shares, based on the shareholder registry as of October 19, 2026.

Rhea-AI Filing Summary

KB Financial Group Inc. reported that its largest shareholder, the Korean National Pension Service, held 32,536,871 common shares, or 9.17% of the company’s 354,687,734 total shares, based on the shareholder registry as of October 19, 2026. As of September 30, 2026, the shareholder held 32,576,394 shares, or 9.18% of the same total.

Key Figures

National Pension Service shares held: 32,536,871 common shares National Pension Service ownership: 9.17% National Pension Service shares held: 32,576,394 common shares +2 more

5 metrics

National Pension Service shares held 32,536,871 common shares Based on the shareholder registry as of October 19, 2026

National Pension Service ownership 9.17% Based on the shareholder registry as of October 19, 2026

National Pension Service shares held 32,576,394 common shares As of September 30, 2026

National Pension Service ownership 9.18% As of September 30, 2026

Total shares 354,687,734 shares KB Financial Group total shares as of September 30 and October 19, 2026

Key Terms

foreign private issuer, shareholder registry, common stock

3 terms

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

shareholder registry financial

"based on the shareholder registry of KB Financial Group"

common stock financial

"shares of common stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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How many shares did KB Financial Group’s largest shareholder hold in October 2026?

The Korean National Pension Service held 32,536,871 common shares, or 9.17% of KB Financial Group’s 354,687,734 total shares, based on the shareholder registry as of October 19, 2026.

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 - 06:04 AM EDT Accepted by SEC EDGAR 10/26/2026 - 06:04 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 ☐

Changes in the Number of Shares Owned by the Largest Shareholder of

KB Financial Group Inc.

On October 26, 2026, KB Financial Group Inc. (“KB Financial Group”) reported that the number of shares owned by its largest shareholder, the Korean National Pension Service, had decreased from 32,576,394 shares of common stock, representing 9.18% of 354,687,734 total shares of KB Financial Group as of September 30, 2026, to 32,536,871 shares of common stock, representing 9.17% of 354,687,734 total shares based on the shareholder registry of KB Financial Group as of October 19, 2026.

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