KB / KB Financial Group Inc. - Depositary Receipt (Common Stock) - SEC申報文件,年度報告,委任書

KB Financial Group Inc. - 存託憑證(普通股)
US ˙ NYSE ˙ US48241A1051

基本數據
LEI 529900TKE4MXG3Q6GW86
CIK 1445930
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to KB Financial Group Inc. - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
本頁面提供了一個完整的、按時間順序排列的美國證券交易委員會(SEC)申報文件列表,不包括我們在其他地方提供的所有權申報。
May 19, 2026 6-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2026 Commission File Number: 000-5344

Form 6-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K/A REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 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 (

May 18, 2026 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 May 2026 Commission File Number: 000-53445

Form 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 May 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 (Addr

May 15, 2026 EX-99.1

Report on Review of Condensed Consolidated Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.1 Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements March 31, 2026 and 2025 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 C

May 15, 2026 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 May 2026 Commission File Number: 000-53445

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 15, 2026 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.2 Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements March 31, 2026 and 2025 (Unaudited) KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Ch

April 28, 2026 EX-1.1

ARTICLES OF INCORPORATION OF KB FINANCIAL GROUP INC. CHAPTER I GENERAL PROVISIONS

EX-1.1 Exhibit 1.1 ARTICLES OF INCORPORATION OF KB FINANCIAL GROUP INC. CHAPTER I GENERAL PROVISIONS Article 1 (Corporate Name) The name of this company shall be “KB Geumyung Jijoo”, which shall be expressed in English as “KB Financial Group Inc.” (the “Company”). Article 2 (Objective) The objective of the Company shall be to engage in the following business activities: 1. Control over or manageme

April 28, 2026 EX-12.1

/s/ Jong Hee Yang

EX-12.1 Exhibit 12.1(a) I, Jong Hee Yang, certify that: 1. I have reviewed this annual report on Form 20-F of KB Financial Group Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

April 28, 2026 20-F

As filed with the Securities and Exchange Commission on April 28, 2026 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One)  ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE

Table of Contents As filed with the Securities and Exchange Commission on April 28, 2026 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 28, 2026 EX-13.1

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.1 Exhibit 13.1(a) Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of KB Financial Group Inc., a corporation organized

April 23, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 23, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 23, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 23, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 23, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 23, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 17, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 9, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 9, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

April 9, 2026 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 April 2026 Commission File Number: 000-5344

Form 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 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 (Ad

March 27, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 26, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 13, 2026 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 March 2026 Commission File Number: 000-5344

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 10, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 6, 2026 EX-99.1

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

EX-99.1 Table of Contents Exhibit 99.1 KB SECURITIES CO., LTD. and Subsidiaries Consolidated Financial Statements December 31, 2025 and 2024 (With Independent Auditor’s Report Thereon) Table of Contents KB SECURITIES CO., LTD. and Subsidiaries Index December 31, 2025 and 2024 Page(s) Independent Auditor’s Report 1~3 Consolidated Financial Statements Consolidated Statements of Financial Position 4

March 6, 2026 EX-99.2

The above consolidated statements of financial position should be read in conjunction with the accompanying notes.

EX-99.2 Exhibit 99.2 KB Financial Group Inc. and Subsidiaries Consolidated Statements of Financial Position December 31, 2025 and 2024 (in millions of Korean won) Notes December 31, 2025 December 31, 2024 Assets Cash and due from financial institutions 4,6,7,8,39 W 34,776,877 W 29,869,111 Financial assets at fair value through profit or loss 4,6,8,12 89,862,530 79,450,093 Derivative financial asse

March 6, 2026 EX-99.2

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

EX-99.2 Exhibit 99.2 KB SECURITIES CO., LTD. Separate Financial Statements December 31, 2025 and 2024 (With Independent Auditor’s Report Thereon) KB SECURITIES CO., LTD. Index December 31, 2025 and 2024 Page(s) Independent Auditor’s Report 1~3 Separate Financial Statements Separate Statements of Financial Position 4 Separate Statements of Profit or Loss 5 Separate Statements of Comprehensive Incom

March 6, 2026 EX-99.2

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

EX-99.2 Exhibit 99.2 Kookmin Bank (A wholly owned subsidiary of KB Financial Group Inc.) Separate Financial Statements December 31, 2025 and 2024 Kookmin Bank (A wholly owned subsidiary of KB Financial Group Inc.) Index December 31, 2025 and 2024 Page(s) Independent Auditor’s Report 1~2 Separate Financial Statements Separate Statements of Financial Position 3 Separate Statements of Comprehensive I

March 6, 2026 EX-99.1

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

EX-99.1 Table of Contents Exhibit 99.1 Kookmin Bank and Subsidiaries Consolidated Financial Statements December 31, 2025 and 2024 Table of Contents Kookmin Bank and Subsidiaries Index December 31, 2025 and 2024 Page(s) Independent Auditor’s Report 1~2 Consolidated Financial Statements Consolidated Statements of Financial Position 3 Consolidated Statements of Comprehensive Income 4 Consolidated Sta

March 6, 2026 EX-99.1

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

EX-99.1 Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Financial Statements December 31, 2025 and 2024 (With Independent Auditor’s Report Thereon) KB Financial Group Inc. and Subsidiaries Page(s) Independent Auditor’s Report 1-5 Consolidated Financial Statements Consolidated Statements of Financial Position 6 Consolidated Statements of Comprehensive Income 7-8 Consolidated Stat

March 6, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 6, 2026 EX-99.2

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

EX-99.2 Exhibit 99.2 KB Financial Group Inc. Separate Financial Statements December 31, 2025 and 2024 (With Independent Auditor’s Report Thereon) KB Financial Group Inc. Page(s) Independent Auditor’s Report 1-3 Separate Financial Statements Separate Statements of Financial Position 4 Separate Statements of Comprehensive Income 5 Separate Statements of Changes in Equity 6 Separate Statements of Cas

March 6, 2026 EX-99.1

The above separate statements of financial position should be read in conjunction with the accompanying notes.

EX-99.1 Exhibit 99.1 KB Financial Group Inc. Separate Statements of Financial Position December 31, 2025 and 2024 (In millions of Korean won) Notes December 31, 2025 December 31, 2024 Assets Cash and due from financial institutions 4,5,6,29 W 974,585 W 398,391 Financial assets at fair value through profit or loss 4,5,7 1,251,607 1,243,471 Loans measured at amortized cost 4,5,8 349,112 359,054 Inve

March 6, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 6, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 6, 2026 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 March 2026 Commission File Number: 000-5344

Form 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 March 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 (Ad

February 25, 2026 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 2026 Commission File Number: 000-5

Form 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 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

February 25, 2026 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 2026 Commission File Number: 000-5

Form 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 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

February 5, 2026 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 2026 Commission File Number: 000-5

Form 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 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

February 5, 2026 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 2026 Commission File Number: 000-5

Form 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 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

February 5, 2026 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 UNDERTHE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 000-53

Form 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 UNDERTHE SECURITIES EXCHANGE ACT OF 1934 For the month of February 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 (

February 5, 2026 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 2026 Commission File Number: 000-5

Form 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 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

February 5, 2026 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 2026 Commission File Number: 000-5

Form 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 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

February 5, 2026 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 UNDERTHE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2026 Commission File Number: 000-53

Form 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 UNDERTHE SECURITIES EXCHANGE ACT OF 1934 For the month of February 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 (

January 21, 2026 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 January 2026 Commission File Number: 000-53

Form 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 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 (

January 16, 2026 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 January 2026 Commission File Number: 000-53

Form 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 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 (

January 9, 2026 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 January 2026 Commission File Number: 000-53

Form 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 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 (

January 9, 2026 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 January 2026 Commission File Number: 000-53

Form 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 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 (

December 9, 2025 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 December 2025 Commission File Number: 000-5

Form 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 December 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

December 9, 2025 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 December 2025 Commission File Number: 000-5

Form 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 December 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

December 2, 2025 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 December 2025 Commission File Number: 000-5

Form 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 December 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

November 20, 2025 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 November 2025 Commission File Number: 000-5

Form 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 November 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

November 14, 2025 EX-99.1

Report on Review of Condensed Consolidated Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.1 Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements September 30, 2025 and 2024 (Unaudited) KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statements o

November 14, 2025 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 November 2025 Commission File Number: 000-5

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 14, 2025 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.2 Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements September 30, 2025 and 2024 (Unaudited) KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements o

October 30, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

October 30, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

October 30, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

October 30, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

October 28, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

October 21, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

October 15, 2025 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 October 2025 Commission File Number: 000-53

Form 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 October 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 (

August 18, 2025 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 August 2025 Commission File Number: 000-534

Form 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 August 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 (A

August 14, 2025 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 August 2025 Commission File Number: 000-534

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 14, 2025 EX-99.1

Report on Review of Condensed Consolidated Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.1 Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements June 30, 2025 and 2024 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 Co

August 14, 2025 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.2 Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements June 30, 2025 and 2024 (Unaudited) Table of Contents KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income

July 24, 2025 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 July 2025 Commission File Number: 000-53445

Form 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 July 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 (Add

July 24, 2025 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 July 2025 Commission File Number: 000-53445

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 July 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 p

July 24, 2025 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 July 2025 Commission File Number: 000-53445

Form 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 July 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 (Add

July 24, 2025 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 July 2025 Commission File Number: 000-53445

Form 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 July 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 (Add

July 24, 2025 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 July 2025 Commission File Number: 000-53445

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 July 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 p

July 10, 2025 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 July 2025 Commission File Number: 000-53445

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 July 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 p

June 30, 2025 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 June 2025 Commission File Number: 000-53445

Form 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 June 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 (Add

June 30, 2025 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 June 2025 Commission File Number: 000-53445

Form 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 June 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 (Add

June 30, 2025 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 June 2025 Commission File Number: 000-53445

Form 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 June 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 (Add

May 16, 2025 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 May 2025 Commission File Number: 000-53445

Form 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 May 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 (Addr

May 15, 2025 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 May 2025 Commission File Number: 000-53445

Table of Contents 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 May 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, Ko

May 15, 2025 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements March 31, 2025 and 2024 (Unaudited) KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Changes in

May 15, 2025 EX-99.1

Report on Review of Condensed Consolidated Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.1 Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements March 31, 2025 and 2024 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 C

April 30, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 30, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 25, 2025 EX-12.1

/s/ Jong Hee Yang

EX-12.1 Exhibit 12.1(a) I, Jong Hee Yang, certify that: 1. I have reviewed this annual report on Form 20-F of KB Financial Group Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

April 25, 2025 EX-13.1

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.1 Exhibit 13.1(a) Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of KB Financial Group Inc., a corporation organized

April 25, 2025 EX-1.1

ARTICLES OF INCORPORATION OF KB FINANCIAL GROUP INC. CHAPTER I GENERAL PROVISIONS

EX-1.1 2 d906154dex11.htm EX-1.1 Exhibit 1.1 ARTICLES OF INCORPORATION OF KB FINANCIAL GROUP INC. CHAPTER I GENERAL PROVISIONS Article 1 (Corporate Name) The name of this company shall be “KB Geumyung Jijoo”, which shall be expressed in English as “KB Financial Group Inc.” (the “Company”). Article 2 (Objective) The objective of the Company shall be to engage in the following business activities: 1

April 25, 2025 20-F

As filed with the Securities and Exchange Commission on April 25, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One)  ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE

Table of Contents As filed with the Securities and Exchange Commission on April 25, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 24, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 24, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 24, 2025 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 April 2025 Commission File Number: 000-5344

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 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

April 24, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 24, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 24, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 14, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 14, 2025 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 April 2025 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 10, 2025 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 April 2025 Commission File Number: 000-5344

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 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

March 26, 2025 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 March 2025 Commission File Number: 000-5344

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 March 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

March 14, 2025 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 March 2025 Commission File Number: 000-5344

Table of Contents 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 March 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,

March 11, 2025 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 March 2025 Commission File Number: 000-5344

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 March 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

March 11, 2025 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 March 2025 Commission File Number: 000-5344

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 March 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

March 5, 2025 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 March 2025 Commission File Number: 000-5344

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 March 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

March 5, 2025 EX-99.1

The above separate statements of financial position should be read in conjunction with the accompanying notes.

EX-99.1 Exhibit 99.1 KB Financial Group Inc. Separate Statements of Financial Position December 31, 2024 and 2023 (In millions of Korean won) Notes December 31, 2024 December 31, 2023 Assets Cash and due from financial institutions 4,5,6,29 W 398,391 W 256,337 Financial assets at fair value through profit or loss 4,5,7 1,243,471 1,376,423 Loans measured at amortized cost 4,5,8 359,054 608,286 Inve

March 5, 2025 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 March 2025 Commission File Number: 000-5344

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 March 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

March 5, 2025 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 March 2025 Commission File Number: 000-5344

Table of Contents 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 March 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,

March 5, 2025 EX-99.2

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Financial Statements December 31, 2024 and 2023 (With Independent Auditor’s Report Thereon) Table of Contents KB Financial Group Inc. Page(s) Independent Auditor’s Report 1-3 Separate Financial Statements Separate Statements of Financial Position 4 Separate Statements of Comprehensive Income 5 Separate Statements of Changes in Equity

March 5, 2025 EX-99.1

Independent Auditor’s Report (English Translation of a Report Originally Issued in Korean)

Table of Contents Exhibit 99.1 KB Financial Group Inc. Consolidated Financial Statements December 31, 2024 and 2023 (With Independent Auditor’s Report Thereon) Table of Contents KB Financial Group Inc. Page(s) Independent Auditor’s Report 1-5 Consolidated Financial Statements Consolidated Statements of Financial Position 6 Consolidated Statements of Comprehensive Income 7-8 Consolidated Statements

March 5, 2025 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 March 2025 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 5, 2025 EX-99.2

The above consolidated statements of financial position should be read in conjunction with the accompanying notes.

EX-99.2 Exhibit 99.2 KB Financial Group Inc. and Subsidiaries Consolidated Statements of Financial Position December 31, 2024 and 2023, and January 1, 2023 (in millions of Korean won) Notes December 31, 2024 December 31, 2023 January 1, 2023 Assets Cash and due from financial institutions 4,6,7,8,39 W 29,869,111 W 29,836,311 W 32,474,750 Financial assets at fair value through profit or loss 4,6,8,

March 4, 2025 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 March 2025 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 4, 2025 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 March 2025 Commission File Number: 000-5344

Form 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 March 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 (Ad

February 21, 2025 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: 000-5

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

February 5, 2025 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: 000-5

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

February 5, 2025 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: 000-5

Form 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

February 5, 2025 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: 000-5

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

February 5, 2025 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: 000-5

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

February 3, 2025 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: 000-5

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

January 21, 2025 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 January 2025 Commission File Number: 000-53

Form 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 January 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 (

January 21, 2025 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 January 2025 Commission File Number: 000-53

Form 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 January 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 (

December 13, 2024 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 December 2024 Commission File Number: 000-5

6-K 1 d917331d6k.htm FORM 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 December 2024 Commission File Number: 000-53445 KB Financial Group Inc. (Translation of registrant’s name into English) 26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu

December 13, 2024 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 December 2024 Commission File Number: 000-5

6-K 1 d908119d6k.htm FORM 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 December 2024 Commission File Number: 000-53445 KB Financial Group Inc. (Translation of registrant’s name into English) 26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu

November 26, 2024 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 November 2024 Commission File Number: 000-5

Form 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 November 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

November 14, 2024 EX-99.1

KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statem

Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements September 30, 2024 and 2023 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 Conso

November 14, 2024 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements September 30, 2024 and 2023 (Unaudited) KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Change

November 14, 2024 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 November 2024 Commission File Number: 000-5

Table of Contents 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 November 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 0733

October 24, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

October 24, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

October 24, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

October 24, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

October 24, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

October 15, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

October 15, 2024 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 October 2024 Commission File Number: 000-53

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 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 o

August 14, 2024 EX-99.1

Report on Review of Condensed Consolidated Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements June 30, 2024 and 2023 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 Consolidat

August 14, 2024 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 August 2024 Commission File Number: 000-534

Table of Contents 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,

August 14, 2024 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements June 30, 2024 and 2023 (Unaudited) Table of Contents KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separa

August 7, 2024 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 August 2024 Commission File Number: 000-534

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

August 7, 2024 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 August 2024 Commission File Number: 000-534

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

July 31, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 31, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 23, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 23, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 23, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 23, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 15, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

July 11, 2024 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 July 2024 Commission File Number: 000-53445

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 July 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 p

June 28, 2024 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 June 2024 Commission File Number: 000-53445

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 June 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 p

May 30, 2024 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 May 2024 Commission File Number: 000-53445

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 May 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 pr

May 28, 2024 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 May 2024 Commission File Number: 000-53445

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 May 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 pr

May 16, 2024 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 May 2024 Commission File Number: 000-53445

Table of Contents 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 May 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, Ko

May 16, 2024 EX-99.1

KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 3-4 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 5 Consolidated Interim Statem

Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements March 31, 2024 and 2023 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 3-4 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 5 Consolida

May 16, 2024 EX-99.2

KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 3-4 Separate Interim Financial Statements Separate Interim Statements of Financial Position 5 Separate Interim Statements of Comprehensive Income 6 Se

Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements March 31, 2024 and 2023 (Unaudited) Table of Contents KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 3-4 Separate Interim Financial Statements Separate Interim Statements of Financial Position 5 Separate Interim Statements of Comprehensive Income 6 Separ

May 10, 2024 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 May 2024 Commission File Number: 000-53445

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 May 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 pr

April 29, 2024 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 April 2024 Commission File Number: 000-5344

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 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

April 26, 2024 20-F

As filed with the Securities and Exchange Commission on April 26, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One)  ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE

As filed with the Securities and Exchange Commission on April 26, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 26, 2024 EX-13.1

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

EX-13.1 Exhibit 13.1(a) Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of KB Financial Group Inc., a corporation organized

April 26, 2024 EX-97.1

Clawback Policy for Misstatements of Financial Statements

Exhibit 97.1 Clawback Policy for Misstatements of Financial Statements HR Department (Regulations) No.60 Adopted 30 Nov, 2023. Article 1 (Purpose) The purpose of this Clawback Policy for Misstatements of Financial Statements (the “Policy”) is to set forth matters necessary to comply with any applicable standards regarding the recovery of erroneously awarded compensation, as stipulated in Rule 10D-

April 26, 2024 EX-12.1

/s/ Jong Hee Yang

EX-12.1 Exhibit 12.1(a) I, Jong Hee Yang, certify that: 1. I have reviewed this annual report on Form 20-F of KB Financial Group Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect t

April 25, 2024 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 April 2024 Commission File Number: 000-5344

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 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

April 25, 2024 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 April 2024 Commission File Number: 000-5344

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 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

April 19, 2024 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 April 2024 Commission File Number: 000-5344

Form 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 April 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 (Ad

April 17, 2024 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 April 2024 Commission File Number: 000-5344

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 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

March 22, 2024 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 March 2024 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 15, 2024 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 March 2024 Commission File Number: 000-5344

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 March 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

March 14, 2024 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 March 2024 Commission File Number: 000-5344

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2024 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 March 2024 Commission File Number: 000-5344

Form 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 March 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 (Ad

March 6, 2024 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 March 2024 Commission File Number: 000-5344

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 March 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

March 6, 2024 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 March 2024 Commission File Number: 000-5344

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 March 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

March 6, 2024 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 March 2024 Commission File Number: 000-5344

Table of Contents 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 March 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,

March 6, 2024 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 March 2024 Commission File Number: 000-5344

Table of Contents 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 March 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,

February 22, 2024 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 2024 Commission File Number: 000-5

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 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

February 9, 2024 SC 13G/A

KB / KB Financial Group Inc. - Depositary Receipt (Common Stock) / BlackRock Inc. Passive Investment

SC 13G/A 1 kr7105560007020924.txt kr7105560007020924.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 4) KB FINANCIAL GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) B3DF0Y6 - (SEDOL Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate b

February 7, 2024 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 2024 Commission File Number: 000-5

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 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

February 7, 2024 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 2024 Commission File Number: 000-5

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 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

February 7, 2024 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 2024 Commission File Number: 000-5

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 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

February 7, 2024 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 2024 Commission File Number: 000-5

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 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

January 30, 2024 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 January 2024 Commission File Number: 000-53

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 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 o

January 18, 2024 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 January 2024 Commission File Number: 000-53

Form 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 January 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 (

December 14, 2023 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 December 2023 Commission File Number: 000-5

Form 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 December 2023 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

December 14, 2023 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 December 2023 Commission File Number: 000-5

Form 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 December 2023 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

December 14, 2023 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 December 2023 Commission File Number: 000-5

Form 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 December 2023 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

November 17, 2023 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 November 2023 Commission File Number: 000-5

FORM 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 November 2023 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

November 17, 2023 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 November 2023 Commission File Number: 000-5

Form 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 November 2023 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

November 14, 2023 EX-99.1

KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statem

EX-99.1 Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements September 30, 2023 and 2022 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1-2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position

November 14, 2023 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.2 Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements September 30, 2023 and 2022 (Unaudited) KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements o

November 14, 2023 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 November 2023 Commission File Number: 000-5

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 3, 2023 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 November 2023 Commission File Number: 000-5

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 November 2023 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

October 27, 2023 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 October 2023 Commission File Number: 000-53

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 2023 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 o

October 24, 2023 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 October 2023 Commission File Number: 000-53

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 2023 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 o

October 24, 2023 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 October 2023 Commission File Number: 000-53

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 2023 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 o

October 20, 2023 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 October 2023 Commission File Number: 000-53

Form 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 October 2023 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 (

October 16, 2023 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 October 2023 Commission File Number: 000-53

Form 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 October 2023 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 (

October 16, 2023 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 October 2023 Commission File Number: 000-53

Form 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 October 2023 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 (

September 21, 2023 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 September 2023 Commission File Number: 000-

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 September 2023 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

August 14, 2023 EX-99.2

Report on Review of Condensed Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements June 30, 2023 and 2022 (Unaudited) KB Financial Group Inc. Page(s) Report on Review of Condensed Separate Interim Financial Statements 1-2 Separate Interim Financial Statements Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Changes in

August 14, 2023 EX-99.1

Report on Review of Condensed Consolidated Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.1 Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements June 30, 2023 and 2022 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Condensed Consolidated Interim Financial Statements 1 - 2 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 3

August 14, 2023 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 August 2023 Commission File Number: 000-534

Table of Contents 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 2023 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,

August 1, 2023 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 August 2023 Commission File Number: 000-534

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 2023 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

July 25, 2023 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 July 2023 Commission File Number: 000-53445

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 July 2023 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 p

July 25, 2023 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 July 2023 Commission File Number: 000-53445

Form 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 July 2023 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 (Add

July 25, 2023 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 July 2023 Commission File Number: 000-53445

Form 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 July 2023 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 (Add

July 25, 2023 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 July 2023 Commission File Number: 000-53445

Form 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 July 2023 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 (Add

July 17, 2023 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 July 2023 Commission File Number: 000-53445

Form 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 July 2023 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 (Add

July 13, 2023 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 July 2023 Commission File Number: 000-53445

Form 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 July 2023 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 (Add

July 5, 2023 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 July 2023 Commission File Number: 000-53445

Form 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 July 2023 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 (Add

June 30, 2023 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 June 2023 Commission File Number: 000-53445

Form 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 June 2023 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 (Add

June 13, 2023 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 June 2023 Commission File Number: 000-53445

Form 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 June 2023 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 (Add

May 15, 2023 EX-99.2

Report on Review of Separate Interim Financial Statements (English Translation of a Report Originally Issued in Korean)

EX-99.2 Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements March 31, 2023 and 2022 (Unaudited) Table of Contents KB Financial Group Inc. Page(s) Report on Review of Separate Interim Financial Statements 3-4 Separate Interim Financial Statements Separate Interim Statements of Financial Position 5 Separate Interim Statements of Comprehensive Income 6 Separat

May 15, 2023 EX-99.1

KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Consolidated Interim Financial Statements 3-4 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 5 Consolidated Interim Statements of Co

EX-99.1 Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements March 31, 2023 and 2022 (Unaudited) Table of Contents KB Financial Group Inc. and Subsidiaries Page(s) Report on Review of Consolidated Interim Financial Statements 3-4 Consolidated Interim Financial Statements Consolidated Interim Statements of Financial Position 5 Consolidate

May 15, 2023 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 May 2023 Commission File Number: 000-53445

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 27, 2023 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 April 2023 Commission File Number: 000-5344

Form 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 April 2023 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 (Ad

April 27, 2023 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 April 2023 Commission File Number: 000-5344

FORM 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 April 2023 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 (Ad

April 26, 2023 EX-15.1

Letter of KPMG Samjong Accounting Corp. dated April 26, 2023.

Exhibit 15.1 KPMG Samjong Accounting Corp. 27th Floor, Gangnam Finance Center, 152 Teheran-ro, Gangnam-gu, Seoul 06236 Republic of Korea Tel +82 2 2112 0100 Fax +82 2 2112 0101 www.kpmg.com/kr April 26, 2023 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Ladies and Gentlemen: We were previously principal accountants for KB Financial Group Inc. and, under the date of A

April 26, 2023 20-F

As filed with the Securities and Exchange Commission on April 26, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE A

Table of Contents As filed with the Securities and Exchange Commission on April 26, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 26, 2023 EX-13.1

Section 906 certifications.

EX-13.1 Exhibit 13.1(a) Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of KB Financial Group Inc., a corporation organized

April 26, 2023 EX-1.1

Articles of Incorporation of KB Financial Group (translation in English).

EX-1.1 Exhibit 1.1 ARTICLES OF INCORPORATION OF KB FINANCIAL GROUP INC. CHAPTER I GENERAL PROVISIONS Article 1 (Corporate Name) The name of this company shall be “KB Geumyung Jijoo”, which shall be expressed in English as “KB Financial Group Inc.” (the “Company”). Article 2 (Objective) The objective of the Company shall be to engage in the following business activities: 1. Control over or manageme

April 26, 2023 EX-12.1

Section 302 certifications.

EX-12.1 Exhibit 12.1(a) I, Jong Kyoo Yoon, certify that: 1. I have reviewed this annual report on Form 20-F of KB Financial Group Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect

April 19, 2023 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 April 2023 Commission File Number: 000-5344

Form 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 April 2023 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 (Ad

April 13, 2023 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 April 2023 Commission File Number: 000-5344

Form 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 April 2023 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 (Ad

April 7, 2023 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 April 2023 Commission File Number: 000-5344

6-K 1 d475167d6k.htm FORM 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 April 2023 Commission File Number: 000-53445 KB Financial Group Inc. (Translation of registrant’s name into English) 26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, S

March 29, 2023 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 March 2023 Commission File Number: 000-5344

Form 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 March 2023 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 (Ad

March 29, 2023 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 March 2023 Commission File Number: 000-5344

Form 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 March 2023 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 (Ad

March 24, 2023 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 March 2023 Commission File Number: 000-5344

Form 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 March 2023 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 (Ad

March 16, 2023 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 March 2023 Commission File Number: 000-5344

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2023 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 March 2023 Commission File Number: 000-5344

FORM 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2023 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 March 2023 Commission File Number: 000-5344

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2023 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 March 2023 Commission File Number: 000-5344

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2023 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 March 2023 Commission File Number: 000-5344

Form 6-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 6, 2023 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 March 2023 Commission File Number: 000-5344

Form 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 March 2023 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 (Ad

February 24, 2023 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 2023 Commission File Number: 000-5

Form 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 2023 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

February 17, 2023 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 2023 Commission File Number: 000-5

Form 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 2023 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

February 7, 2023 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 2023 Commission File Number: 000-5

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 2023 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

February 7, 2023 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 2023 Commission File Number: 000-5

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 2023 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

February 7, 2023 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 2023 Commission File Number: 000-5

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 2023 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

January 25, 2023 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 January 2023 Commission File Number: 000-53

Form 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 January 2023 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 (

January 25, 2023 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 January 2023 Commission File Number: 000-53

Form 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 January 2023 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 (

January 4, 2023 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 January 2023 Commission File Number: 000-53

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 2023 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 o

December 14, 2022 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 December 2022 Commission File Number: 000-5

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 December 2022 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

November 14, 2022 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 November 2022 Commission File Number: 000-5

Table of Contents 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 November 2022 Commission File Number: 000-53445 KB Financial Group Inc. (Translation of registrant?s name into English) 26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul 0733

November 14, 2022 EX-99.1

Contents Page Independent Auditors’ Review Report 1 Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statements of Comprehensive Income 4 Consolidated Interim Statements of Changes in Equity 5 Consolidated Interim Statemen

Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements September 30, 2022 and 2021 (Unaudited) (With Independent Auditors? Review Report Thereon) Table of Contents Contents Page Independent Auditors? Review Report 1 Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statements of Comprehensive Income 4 Consolidate

November 14, 2022 EX-99.2

Contents Page Independent Auditors’ Review Report 1 Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Changes in Equity 5 Separate Interim Statements of Cash Flows

Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements September 30, 2022 and 2021 (Unaudited) (With Independent Auditors? Review Report Thereon) Table of Contents Contents Page Independent Auditors? Review Report 1 Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Changes i

November 4, 2022 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 November 2022 Commission File Number: 000-5

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 November 2022 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

October 25, 2022 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 October 2022 Commission File Number: 000-53

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 2022 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 o

October 25, 2022 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 October 2022 Commission File Number: 000-53

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 2022 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 o

October 17, 2022 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 October 2022 Commission File Number: 000-53

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 2022 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 o

October 14, 2022 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 October 2022 Commission File Number: 000-53

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 2022 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 o

October 11, 2022 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 October 2022 Commission File Number: 000-53

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 2022 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 o

October 4, 2022 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 October 2022 Commission File Number: 000-53

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 2022 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 o

September 26, 2022 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 September 2022 Commission File Number: 000-

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 September 2022 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

September 14, 2022 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 September 2022 Commission File Number: 000-

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 September 2022 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

August 16, 2022 EX-99.2

Contents Page Independent Auditors’ Review Report 1 Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Changes in Equity 5 Separate Interim Statements of Cash Flows

Table of Contents Exhibit 99.2 KB Financial Group Inc. Separate Interim Financial Statements June 30, 2022 and 2021 (Unaudited) (With Independent Auditors? Review Report Thereon) Table of Contents Contents Page Independent Auditors? Review Report 1 Separate Interim Statements of Financial Position 3 Separate Interim Statements of Comprehensive Income 4 Separate Interim Statements of Changes in Equ

August 16, 2022 EX-99.1

Contents Page Independent Auditors’ Review Report 1 Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statements of Comprehensive Income 4 Consolidated Interim Statements of Changes in Equity 6 Consolidated Interim Statemen

Table of Contents Exhibit 99.1 KB Financial Group Inc. and Subsidiaries Consolidated Interim Financial Statements June 30, 2022 and 2021 (Unaudited) (With Independent Auditors? Review Report Thereon) Table of Contents Contents Page Independent Auditors? Review Report 1 Consolidated Interim Statements of Financial Position 3 Consolidated Interim Statements of Comprehensive Income 4 Consolidated Int

August 16, 2022 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 August 2022 Commission File Number: 000-534

Table of Contents 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 2022 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,

August 9, 2022 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 August 2022 Commission File Number: 000-534

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 2022 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

July 21, 2022 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 July 2022 Commission File Number: 000-53445

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 July 2022 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 p

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