KB Financial (NYSE: KB) says Korean National Pension Service lifts stake to 8.68%

Rhea-AI Filing Summary

KB Financial Group Inc. reported a change in the holdings of its largest shareholder, the Korean National Pension Service. The Korean National Pension Service increased its position from 32,666,149 shares of common stock, representing 8.56% of total shares as of November 14, 2025, to 33,107,971 shares of common stock, representing 8.68% of 381,462,103 total shares based on the shareholder registry as of December 31, 2025. This filing simply updates the market on the revised ownership percentage of the company’s largest shareholder.

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 January 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 January 16, 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 increased from 32,666,149 shares of common stock, representing 8.56% of the total shares as of November 14, 2025, to 33,107,971 shares of common stock, representing 8.68% of 381,462,103 total shares based on the shareholder registry of KB Financial Group as of December 31, 2025.

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: January 16, 2026		By: /s/ Sang Rok Na
		(Signature)
		Name: Sang Rok Na
		Title: Senior Managing Director and Chief Financial Officer

FAQ

What did KB Financial Group Inc. (KB) disclose in this 6-K filing?

KB Financial Group Inc. disclosed that the Korean National Pension Service, its largest shareholder, increased its holdings of KB common stock and now owns 33,107,971 shares, equal to 8.68% of 381,462,103 total shares based on the shareholder registry as of December 31, 2025.

Who is the largest shareholder of KB Financial Group Inc. (KB)?

The largest shareholder of KB Financial Group Inc. is the Korean National Pension Service, which holds 33,107,971 shares of common stock, representing 8.68% of the company’s 381,462,103 total shares as of December 31, 2025.

How did the Korean National Pension Service’s ownership in KB Financial Group Inc. change?

The Korean National Pension Service increased its ownership from 32,666,149 shares, representing 8.56% of total shares as of November 14, 2025, to 33,107,971 shares, representing 8.68% of 381,462,103 total shares as of December 31, 2025.

What percentage of KB Financial Group Inc. shares does the Korean National Pension Service now hold?

The Korean National Pension Service now holds 8.68% of KB Financial Group Inc.’s 381,462,103 total shares of common stock based on the shareholder registry as of December 31, 2025.

How many total KB Financial Group Inc. shares are referenced in this filing?

The filing references 381,462,103 total shares of KB Financial Group Inc. common stock based on the shareholder registry as of December 31, 2025.

Who signed the KB Financial Group Inc. 6-K report about the largest shareholder’s ownership change?

The report was signed by Sang Rok Na, Senior Managing Director and Chief Financial Officer of KB Financial Group Inc., on January 16, 2026.