# EDGAR Filing Document

**Accession Number:** 0001445930
**File Stem:** 0001193125-25-252141
**Filing Date:** 2025-10
**Character Count:** 4925
**Document Hash:** 16c5280ce55ce511463f68eb78837498
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-252141.hdr.sgml**: 20251028

**ACCESSION NUMBER**: 0001193125-25-252141

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251028

**FILED AS OF DATE**: 20251028

**DATE AS OF CHANGE**: 20251028

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** KB Financial Group Inc.
- **CENTRAL INDEX KEY:** 0001445930
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMERCIAL BANKS, NEC [6029]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** M5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-53445
- **FILM NUMBER:** 251421178

**BUSINESS ADDRESS:**
- **STREET 1:** 141, UISADANG-DAERO
- **STREET 2:** YEONGDEUNGPO-GU
- **CITY:** SEOUL
- **STATE:** M5
- **ZIP:** 07332
- **BUSINESS PHONE:** 822-2073-2845

**MAIL ADDRESS:**
- **STREET 1:** 141, UISADANG-DAERO
- **STREET 2:** YEONGDEUNGPO-GU
- **CITY:** SEOUL
- **STATE:** M5
- **ZIP:** 07332

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**Form 6-K** 

**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** 

**(Address of principal executive office)** 

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

Form 20-F ☒ Form 40-F ☐

------

**Update on the Acquisition of Treasury Shares through a Trust Agreement** 

On October 28, 2025, KB Financial Group Inc. ("KB Financial Group") disclosed the interim results for its currently ongoing share buyback program which commenced on July 24, 2025 through a resolution made by its board of directors to enter into a trust agreement with Hana Securities Co., Ltd. (the "Trust Agreement") to acquire treasury shares within its profits available for dividends, as previously disclosed on July 24, 2025.

The details of KB Financial Group's treasury shares as of October 24, 2025 are as follows:

---

| | | |
|:---|:---|:---|
| Treasury shares held prior to the acquisition of shares under the Trust Agreement (A) | Type of Shares | Common Shares |
| Treasury shares held prior to the acquisition of shares under the Trust Agreement (A) | Number of Shares | 17310128 |
| Treasury shares held prior to the acquisition of shares under the Trust Agreement (A) | Percentage of Total Issued Shares<sup>(1)</sup> | 4.54% |
| Treasury shares held prior to the acquisition of shares under the Trust Agreement (A) | Total Amount (Unit: millions of KRW) | 1241538 |
| Treasury shares acquired pursuant to the Trust Agreement from July 24, 2025 to October 24, 2025 (B) | Type of Shares | Common Shares |
| Treasury shares acquired pursuant to the Trust Agreement from July 24, 2025 to October 24, 2025 (B) | Number of Shares Acquired <sup>(2)</sup> | 2870000 |
| Treasury shares acquired pursuant to the Trust Agreement from July 24, 2025 to October 24, 2025 (B) | Percentage of Total Issued Shares<sup>(1)</sup> | 0.75% |
| Treasury shares acquired pursuant to the Trust Agreement from July 24, 2025 to October 24, 2025 (B) | Total Acquisition Amount (Unit: millions of KRW) <sup>(2)</sup> | 324887 |
| Treasury shares acquired pursuant to the Trust Agreement from July 24, 2025 to October 24, 2025 (B) | Contracted Amount (Unit: millions of KRW) <sup>(3)</sup> | 660000 |
| Total treasury shares held (A+B) | Type of Shares | Common Shares |
| Total treasury shares held (A+B) | Number of Shares | 20180128 |
| Total treasury shares held (A+B) | Percentage of Total Issued Shares<sup>(1)</sup> | 5.29% |
| Total treasury shares held (A+B) | Aggregate Amount (Unit: millions of KRW) | 1901538 |

---

---

| | |
|:---|:---|
| Notes: | (1) Based on the total number of 381,462,103 shares of common stock issued. |
|  | (2) Based on the shares actually acquired as of October 24, 2025 pursuant to the Trust Agreement. |
|  | (3) The total contracted amount is the total number of shares to be acquired pursuant to the Trust Agreement. |

---

The acquisition of treasury shares pursuant to the Trust Agreement is still ongoing.

------

**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. | KB Financial Group Inc. |
|  | (Registrant) | (Registrant) |
| Date: October 28, 2025 | By: | /s/ Sang Rok Na |
|  |  | (Signature) |
|  |  | Name: Sang Rok Na |
|  |  | Title: Managing Director and Chief Finance Officer |

---