KB 6-K

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 February 2025

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 ☐

Preliminary Operating Results for Fiscal Year 2024

On February 5, 2025, KB Financial Group Inc. (“KB Financial Group”) held an earnings conference and released its preliminary operating results for fiscal year 2024. The following tables reflect the key figures released during the conference. The presentation materials for the conference, which contain further details, are available at KB Financial Group’s website (http://www.kbfg.com).

The preliminary figures presented herein are based on International Financial Reporting Standards as adopted by the Republic of Korea (“K-IFRS”) and are currently being audited by KB Financial Group’s independent auditors and are thereby subject to change.

1. Preliminary Operating Results of KB Financial Group (Consolidated)

2. Preliminary Operating Results of Kookmin Bank (Consolidated)

3. Preliminary Operating Results of KB Securities Co., Ltd. (“KB Securities”) (Consolidated)

Declaration of Cash Dividends by KB Financial Group

On February 5, 2025, the board of directors of KB Financial Group Inc. (“KB Financial Group”) passed a resolution to declare a cash dividend of KRW 804 per common share (total dividend amount of KRW 300,374,978,076, assuming the number of outstanding shares to be 373,600,719 shares).

The record date is February 28, 2025 (Korea local time), and in accordance with the Korean Commercial Code, the payment of such dividends is expected to be made within one month following shareholder approval at the annual general meeting of shareholders of KB Financial Group (the “AGM”). The date of the AGM will be decided and made publicly available upon the resolution of the board of directors of KB Financial Group to convene such meeting.

The total dividend amount is subject to adjustment based on the actual number of outstanding shares as of the record date, following the acquisition of treasury shares by KB Financial Group as disclosed in the report on Form 6-K titled “Resolution for Acquisition of Treasury Shares” dated February 5, 2025.

The contents of the above declaration remain subject to change pending the results of the audit by KB Financial Group’s independent auditors and the approval at the AGM.

Declaration of Cash Dividends by Kookmin Bank

On February 4, 2025, the board of directors of Kookmin Bank, a wholly-owned subsidiary of KB Financial Group, passed a resolution to declare a cash dividend of KRW 4,020 per common share, for a total dividend amount of KRW 1,625,604,046,320, subject to shareholder approval.

The record date is December 31, 2024, and in accordance with the Korean Commercial Code, the payment for such dividends is expected to be made within one month following shareholder approval at the annual general meeting of shareholders of Kookmin Bank, which is expected to be held on March 25, 2025.

The entire dividend amount is to be paid to KB Financial Group, which holds all of the common shares of Kookmin Bank.

The contents of the above declaration remain subject to change pending the results of the audit by Kookmin Bank’s independent auditors and the approval at the annual general meeting of shareholders of Kookmin Bank.

Declaration of Cash Dividends by KB Securities

On February 4, 2025, the board of directors of KB Securities, a wholly-owned subsidiary of KB Financial Group, passed a resolution to declare a cash dividend of KRW 937 per common share, for a total dividend amount of KRW 280,000,000,000, subject to shareholder approval.

The record date is December 31, 2024, and in accordance with the Korean Commercial Code, the payment for such dividends is expected to be made within one month following shareholder approval at the annual general meeting of shareholders of KB Securities, which is expected to be held on March 21, 2025. The entire dividend amount is to be paid to KB Financial Group, which holds all of the common shares of KB Securities.

The contents of the above declaration remain subject to change pending the results of the audit by KB Securities’ independent auditors and the approval at the annual general meeting of shareholders of KB Securities.

Report of Change in Revenue or Profit of More than 15% (KB Financial Group)

On February 5, 2025, KB Financial Group reported changes in its revenue and profit as described below.

Key Details (Consolidated)

Report of Change in Revenue or Profit of More than 15% (Kookmin Bank)

On February 5, 2025, KB Financial Group reported changes in the revenue and profit of Kookmin Bank as described below.

Key Details (Consolidated)

Report of Change in Revenue or Profit of More than 15% (KB Securities)

On February 5, 2025, KB Financial Group reported changes in the revenue and profit of KB Securities as described below.

Key Details (Consolidated)

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.