National Pension Service raises KB Financial (KB) stake to 8.99% of shares

Rhea-AI Filing Summary

KB Financial Group Inc. filed a report noting a small increase in ownership by its largest shareholder, the Korean National Pension Service. The pension fund’s holdings rose from 33,379,901 to 33,505,649 common shares, moving its stake from 8.95% to 8.99% of 372,850,455 total shares as of March 31, 2026.

Key Figures

Current NPS shareholding: 33,505,649 shares Previous NPS shareholding: 33,379,901 shares Current ownership percentage: 8.99% +2 more

5 metrics

Current NPS shareholding 33,505,649 shares Common shares held by Korean National Pension Service after increase

Previous NPS shareholding 33,379,901 shares Common shares held by Korean National Pension Service before increase

Current ownership percentage 8.99% Korean National Pension Service stake based on March 31, 2026 registry

Previous ownership percentage 8.95% Korean National Pension Service stake as of February 27, 2026

Total shares outstanding 372,850,455 shares Total KB Financial Group shares in shareholder registry as of March 31, 2026

Key Terms

Form 6-K, foreign private issuer, Form 20-F, largest shareholder, +1 more

5 terms

Form 6-K regulatory

"Form 6-K REPORT OF FOREIGN PRIVATE ISSUER"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

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.

Form 20-F regulatory

"whether the registrant files or will file annual reports under cover of Form 20-F"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

largest shareholder financial

"Changes in the Number of Shares Owned by the Largest Shareholder of KB Financial Group Inc."

shareholder registry financial

"based on the shareholder registry of KB Financial Group as of March 31, 2026"

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

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 April 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 April 17, 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 33,379,901 shares of common stock, representing 8.95% of the total shares as of February 27, 2026, to 33,505,649 shares of common stock, representing 8.99% of 372,850,455 total shares based on the shareholder registry of KB Financial Group as of March 31, 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: April 17, 2026				By:		/s/ Sang Rok Na
				(Signature)
				Name: Sang Rok Na
				Title: Senior Managing Director and Chief Financial Officer

FAQ

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

KB Financial Group disclosed that the Korean National Pension Service slightly increased its stake. Its holdings rose from 33,379,901 to 33,505,649 common shares, reflecting a modest ownership change within the company’s overall share base.

What percentage of KB Financial Group does the Korean National Pension Service own now?

The Korean National Pension Service now owns 8.99% of KB Financial Group’s common shares. This percentage is based on 372,850,455 total shares recorded in the shareholder registry as of March 31, 2026, reflecting a marginal increase from 8.95%.

How many KB Financial Group shares does the Korean National Pension Service hold after the increase?

After the increase, the Korean National Pension Service holds 33,505,649 KB Financial Group common shares. This is up from 33,379,901 shares previously reported and represents the largest shareholder position in the company’s share register.

What was the previous ownership level of the Korean National Pension Service in KB Financial Group?

Previously, the Korean National Pension Service owned 33,379,901 KB Financial Group common shares. That stake represented 8.95% of the total shares outstanding as of February 27, 2026, before the reported incremental increase in holdings.

What total share count did KB Financial Group use to calculate the largest shareholder’s percentage?

KB Financial Group used a total of 372,850,455 shares to calculate the Korean National Pension Service’s ownership percentage. This total share count comes from the company’s shareholder registry as of March 31, 2026, and underpins the reported 8.99% stake.

Why is the Korean National Pension Service described as KB Financial Group’s largest shareholder?

The Korean National Pension Service is described as the largest shareholder because it holds the biggest single block of KB Financial Group common shares. Its 33,505,649 shares, equal to 8.99% of the total, exceed any other disclosed individual shareholder position.