Form 6-K WOORI FINANCIAL GROUP For: Jul 21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

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 2026

Commission File Number: 001-31811

Woori Financial Group Inc.

(Translation of registrant’s name into English)

51, Sogong-ro, Jung-gu, Seoul, 04632, 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 ☐

2026 First Half Earnings Release Conference

Woori Financial Group Inc. will hold its 2026 First Half Earnings Release Conference on Friday, July 24, 2026. The conference will be aired through a live audio webcast on our website, www.woorifg.com, and our IR materials will be available on our website as well.

Details of the Earnings Release Conference are as follows:

http://pin.teletogether.com/eng

Passcode : 312285

The above schedule is subject to change based on our circumstances.

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.