KB Financial Group nominates Jae Keun Lee as director

Jae Keun Lee served as KB Financial Group’s managing director and chief financial officer from January to December 2017.

Rhea-AI Filing Summary

KB Financial Group Inc. said its board resolved on October 2, 2026, to convene an extraordinary general meeting of shareholders and listed Jae Keun Lee as its nominee for executive director. The table identifies the appointment as new and states a three-year term. Lee has served as Chief Business Officer of Global, WM and SME at KB Financial Group since January 2026 and was president and CEO of Kookmin Bank from January 2022 to December 2024.

Key Figures

Nominee term: 3 years President and CEO of Kookmin Bank: January 2022–December 2024 Current role start: January 2026 +1 more

4 metrics

Nominee term 3 years Term of office listed for Jae Keun Lee.

President and CEO of Kookmin Bank January 2022–December 2024 Career history for Jae Keun Lee.

Current role start January 2026 Chief Business Officer of Global, WM and SME at KB Financial Group.

Date of birth May 1966 Jae Keun Lee.

Key Terms

extraordinary general meeting of shareholders, Executive Director, Term of Office

3 terms

extraordinary general meeting of shareholders regulatory

"convene an extraordinary general meeting of shareholders"

A meeting called by a company outside its regular annual meeting to address urgent or special matters that cannot wait until the next scheduled meeting. Investors attend or vote to decide on actions such as major deals, leadership changes, capital-raising, or rule changes; think of it as an emergency board meeting where shareholders have a direct say and the outcomes can quickly change a company’s strategy, ownership stakes, or financial prospects.

Executive Director regulatory

"Nominee for Executive Director"

An executive director is a senior leader who both sits on a company’s board and runs day-to-day operations or a major business unit, acting like the bridge between oversight and execution. Investors watch this role because the person sets strategy, makes key resource and hiring decisions, and is accountable for performance—similar to a ship’s captain who also helps steer the fleet.

Term of Office regulatory

"Term of Office"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What prior roles did KB Financial Group’s executive director nominee hold?

Before becoming president and CEO of Kookmin Bank, Jae Keun Lee was Senior Executive Vice President and Head of Sales Group there from January 2020 to December 2021. He also served as Managing Director and Chief Financial Officer of KB Financial Group from January to December 2017.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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

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Available on EDGAR 10/02/2026 - 06:05 AM Accepted by SEC EDGAR 10/02/2026 - 06:02 AM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

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 2026

Commission File Number: 000-53445

KB Financial Group Inc.

(Translation of registrant’s name into English)

26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul 07331, Korea

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒   Form 40-F ☐

Convocation of Extraordinary General Meeting of Shareholders

On October 2, 2026, the board of directors of KB Financial Group Inc. (“KB Financial Group”) resolved to convene an extraordinary general meeting of shareholders (the “EGM”). The details of the EGM are as follows:

• Date and Time: November 20, 2026, 10:00 A.M. local time

• Venue: Fourth Floor Auditorium, Kookmin Bank, 26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul, Korea

• Agenda:

1) Appointment of executive director

• Executive director candidate: Jae Keun Lee

• Record date to determine shareholders eligible to vote: October 19, 2026

• Other material information for an investment decision:

• Shareholders may exercise their voting rights without attending the meeting in person by submitting their votes through the e-voting system operated by the Korea Securities Depository.

• In certain circumstances, including emergencies, KB Financial Group may change the date, time, location or any other relevant information regarding the EGM, in which case KB Financial Group will make prompt disclosure of such matter.

Nominee for Executive Director

Name		Date of Birth		Term of Office		New Appointment		Career (including current position)
Jae Keun Lee		May 1966		3 years		Yes		• Chief Business Officer of Global, WM and SME, KB Financial Group (Jan. 2026~Current) • Chief Business Officer of Global Business (Jan. 2025~Dec. 2025) • President and CEO, Kookmin Bank (Jan. 2022~Dec. 2024) • Senior Executive Vice President and Head of Sales Group, Kookmin Bank (Jan. 2020~Dec. 2021) • Senior Managing Director of Sales Planning Group, Kookmin Bank (Jan. 2019~Dec. 2019) • Managing Director of Sales Planning Group, Kookmin Bank (Jan. 2018~Dec. 2018) • Managing Director and Chief Financial Officer, KB Financial Group (Jan. 2017~Dec. 2017)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

				KB Financial Group Inc.
				(Registrant)
Date: October 2, 2026				By: /s/ Sang Rok Na
				(Signature)
				Name: Sang Rok Na
				Title: Senior Managing Director and Chief Financial Officer