Company: SHG
Filing Date: 2025-04-21
Form Type: 6-K
Source: 0000950170-25-055999
Chunk: 0

Company: SHINHAN FINANCIAL GROUP CO LTD
Filing Date: 2025-04-21
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

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FORM 6-K

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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: 001-31798

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SHINHAN FINANCIAL GROUP CO., LTD.

(Translation of registrant's name into English)

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20, Sejong-daero 9-gil, Jung-gu, Seoul 04513, Korea
(Address of principal executive offices)

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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

Change in the number of shares owned by the largest shareholder of Shinhan Financial Group</div>

On April 21, 2025, Shinhan Financial Group Co., Ltd. reported that the number of common shares owned by its largest shareholder, Korea’s National Pension Service (“NPS”), increased from 43,318,455 shares of common stock (representing 8.60%, as of March 21, 2025) to 43,509,972 shares of common stock (representing 8.64%, as of March 31, 2025). This disclosure is based on the results of shareholder registry closing as of March 31, 2025.

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.

| Date: April 21, 2025 |     | Shinhan Financial Group Co., Ltd. 
 (Registrant)                      
 By:                               |     | /s/ CHUN Sang Yung |
|:---------------------|:----|:----------------------------------|:----|:-------------------|
|                      |     | Name: CHUN Sang Yung              |     |                    |
|                      |     | Title:   Chief Financial Officer  |     |                    |