KB Financial completes KRW 600B share buyback

KB Financial Group Inc. completed a previously announced share buyback program.

Rhea-AI Filing Summary

KB Financial Group Inc. completed a previously announced share buyback program. Between February 6 and April 7, 2026, the company repurchased 3,899,988 common shares at an average price of KRW 153,847, for a total of KRW 599,999,977,300. Following this transaction, KB Financial Group holds 18,162,721 treasury shares, representing 4.87% of its 372,850,455 issued shares.

Positive

• Completion of large share buyback: KB Financial Group repurchased 3,899,988 common shares for KRW 599,999,977,300, lifting treasury holdings to 4.87% of issued shares, which can support per-share metrics and signal confidence in the company’s valuation.

Negative

• None.

Insights

Equity capital allocation analyst

KB Financial completed a sizable buyback equal to about 5% of its share count.

KB Financial Group repurchased 3,899,988 common shares for a total of KRW 599,999,977,300 between February 6, 2026 and April 7, 2026. The average repurchase price was KRW 153,847 per share, indicating a meaningful capital return to shareholders.

After this program, treasury holdings increased to 18,162,721 shares, or 4.87% of the 372,850,455 shares issued. This reduces the effective free float and can enhance per-share metrics, although the ultimate impact depends on future deployment of these treasury shares.

The completion of the program confirms execution of a prior board resolution on treasury share acquisition. Subsequent disclosures in future periods may show how the reduced share count influences earnings per share and capital ratios.

Key Figures

Shares repurchased: 3,899,988 shares Average repurchase price: KRW 153,847 per share Total buyback amount: KRW 599,999,977,300 +5 more

8 metrics

Shares repurchased 3,899,988 shares Common shares bought under buyback from Feb 6 to Apr 7, 2026

Average repurchase price KRW 153,847 per share Average acquisition price during the buyback period

Total buyback amount KRW 599,999,977,300 Aggregate consideration for repurchased shares

Treasury shares after buyback 18,162,721 shares Treasury common shares held following completion of program

Treasury as % of issued 4.87% Portion of 372,850,455 issued shares held as treasury

Total shares issued 372,850,455 shares Total number of shares issued by KB Financial Group

Buyback period start February 6, 2026 Acquisition period commencement date

Buyback period end April 7, 2026 Acquisition period completion date

Key Terms

treasury shares, share buyback program, Form 6-K, foreign private issuer

4 terms

treasury shares financial

"Total number of treasury shares held by KB Financial Group following the acquisition"

Treasury shares are a company’s own stock that it has repurchased and keeps on its books instead of canceling or leaving in the hands of outside investors. Think of them like coupons a business puts back in a drawer: they don’t vote or receive dividends while held, but they can be reissued later for employee pay or fundraising. For investors this matters because buybacks change the number of shares that count toward earnings and ownership, can boost per‑share metrics, and use corporate cash that might otherwise go to growth or dividends.

share buyback program financial

"the share buyback program it commenced on February 6, 2026"

A share buyback program is when a company uses its cash to repurchase its own outstanding shares from the market, reducing the number of shares available to investors. That matters because it can raise the value of remaining shares and signal management's confidence in the business—similar to a bakery buying back unsold loafs to make each remaining loaf represent a larger share of its oven’s output—though buybacks can also affect cash available for other uses.

Form 6-K regulatory

"previously announced on a Form 6-K furnished on February 5, 2026"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

foreign private issuer regulatory

"REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

FAQ

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

What share buyback did KB Financial Group (KB) just complete?

KB Financial Group completed a share buyback program repurchasing 3,899,988 common shares. The buyback ran from February 6 to April 7, 2026 and was previously authorized by a resolution for the acquisition of treasury shares.

How much did KB Financial Group (KB) spend on its 2026 share buyback?

KB Financial Group spent a total of KRW 599,999,977,300 on the buyback. This amount reflects purchasing 3,899,988 common shares at an average price of KRW 153,847 during the February to April 2026 acquisition period.

What is the average repurchase price in KB Financial Group’s buyback?

The average repurchase price was KRW 153,847 per share. This figure is calculated over 3,899,988 common shares acquired between February 6 and April 7, 2026 under the completed buyback program.

What percentage of its shares does KB Financial Group (KB) now hold as treasury stock?

After the buyback, KB Financial Group holds 18,162,721 treasury shares, equal to 4.87% of its 372,850,455 issued shares. This higher treasury balance effectively reduces the number of shares available to public investors.

Over what period did KB Financial Group (KB) repurchase its shares?

KB Financial Group repurchased shares from February 6, 2026 to April 7, 2026. This acquisition period corresponds to the execution of its previously approved treasury share buyback program disclosed earlier in a Form 6-K.

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

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Accepted by SEC EDGAR 04/09/2026 - 06:07 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 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

(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 ☐

Results of Acquisition of Treasury Shares

On April 9, 2026, KB Financial Group Inc. (“KB Financial Group”) announced that the share buyback program it commenced on February 6, 2026, which was previously announced on a Form 6-K furnished on February 5, 2026 titled “Resolution for the Acquisition of Treasury Shares,” has been completed. The details of the results of such share buyback program are as follows:

Acquisition period(1)		From		February 6, 2026
		To		April 7, 2026
Type and number of shares acquired		Common shares		3,899,988 shares
		Other shares		-
Average acquisition price per share				KRW 153,847
Total acquisition amount				KRW 599,999,977,300
Total number of treasury shares held by KB Financial Group following the acquisition(2)				18,162,721 common shares (4.87% of the total number of shares issued, or 372,850,455 shares)

Note (1): The “Acquisition Period” above is based on the date of each trade execution of share acquisition, whereas the acquisition completion (settlement) date of each share acquisition is the second business day following the date of the trade execution date, referred to as “T+2”. Accordingly, the final completion date of the share buyback program is April 9, 2026.

(2): The “total number of treasury shares held by KB Financial Group following the acquisition” above consists of the sum of (i) 14,262,733 shares previously held by KB Financial Group and (ii) 3,899,988 shares newly acquired hereby pursuant to this share buyback program.

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: April 9, 2026				By:		/s/ Sang Rok Na
				(Signature)
				Name: Sang Rok Na
				Title: Senior Managing Director and Chief Financial Officer