KB KB Financial Group Inc

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 August 2024

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 ☐

Update on Resolution for Cancellation of Treasury Shares

On August 7, 2024, KB Financial Group Inc. (“KB Financial Group”) updated its previous disclosure made on its Form 6-K furnished on February 7, 2024 (the “Original Report”) regarding the resolution made by the board of directors of KB Financial Group to cancel certain of its treasury shares. Except as disclosed below, the key details remain the same as were previously disclosed in the Original Report:

Note: The “Estimated Amount of Shares to be Cancelled” above is calculated based on the book value of the shares to be cancelled as of the date of this report.

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.