KB Financial Group: largest holder's stake dips to 9.18%

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

Rhea-AI Filing Summary

KB Financial Group Inc. reported that its largest shareholder, the Korean National Pension Service, held 32,576,394 common shares, or 9.18% of the company’s 354,687,734 total shares, based on the shareholder registry as of September 30, 2026. The shareholder’s holding declined from 32,622,276 shares, or 9.20% of the same stated total, as of August 7, 2026.

Key Figures

Largest shareholder common shares: 32,576,394 shares Largest shareholder ownership: 9.18% Largest shareholder common shares: 32,622,276 shares +2 more

5 metrics

Largest shareholder common shares 32,576,394 shares As of September 30, 2026

Largest shareholder ownership 9.18% Based on the shareholder registry as of September 30, 2026

Largest shareholder common shares 32,622,276 shares As of August 7, 2026

Largest shareholder ownership 9.20% As of August 7, 2026

Total shares 354,687,734 shares Total cited for the August 7 and September 30, 2026 ownership figures

Key Terms

shareholder registry, largest shareholder, common stock

3 terms

shareholder registry financial

"based on the shareholder registry"

largest shareholder financial

"its largest shareholder, the Korean National Pension Service"

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 KB shares did the National Pension Service own?

The Korean National Pension Service held 32,576,394 common shares, representing 9.18% of 354,687,734 total shares, based on KB Financial Group’s shareholder registry as of September 30, 2026. As of August 7, 2026, it held 32,622,276 shares, representing 9.20% of the same stated total.

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 10/21/2026 - 06:04 AM EDT Accepted by SEC EDGAR 10/21/2026 - 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 ☐

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

KB Financial Group Inc.

On October 21, 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 32,622,276 shares of common stock, representing 9.20% of 354,687,734 total shares of KB Financial Group as of August 7, 2026, to 32,576,394 shares of common stock, representing 9.18% of 354,687,734 total shares based on the shareholder registry of KB Financial Group as of September 30, 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 21, 2026				By: /s/ Sang Rok Na
				(Signature)
				Name: Sang Rok Na
				Title: Senior Managing Director and Chief Financial Officer