Table of Contents FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requir ...

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2023 Commission File Number 001-34919 SUMITOMO MITSUI FINANCIAL GROUP, INC. (Translation of registrant's name into English) 1-2, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports ...

Table of Contents Commission file number 001-34919 SUMITOMO MITSUI FINANCIAL GROUP, INC. (Translation of registrant's name into English) 1-2, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan (Address of principal executive offices) 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 ☒ or Form 40-F :☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RU ...

Table of Contents 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission file number 001-34919 SUMITOMO MITSUI FINANCIAL GROUP, INC. (Translation of registrant's name into English) 1-2, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan (Address of principal executive offices) Indicate by check mark whether the registrant files or wi ...

Washington, D.C. 20549 FORM 6-K (Translation of registrant's name into English) UNITED STATES SECURITIES AND EXCHANGE COMMISSION REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number 001-34919 SUMITOMO MITSUI FINANCIAL GROUP, INC. 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 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-34919 Kabushiki K ...

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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number 001-34919 SUMITOMO MITSUI FINANCIAL GROUP, INC. (Translation of registrant's name into English) 1-2, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports ...

SUMITOMO MITSUI FINANCIAL GROUP, INC. (Translation of registrant's name into English) 1-2, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-0005, Japan 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 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number 001-34919 (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number: 001-34919 Kabushiki Kaisha Mitsui Sumitomo Financial Group (Exact name of Registrant as specified in i ...