6-K
Itau Unibanco Holding S.A. (ITUB)
| UNITED STATES | ||
|---|---|---|
| SECURITIES AND EXCHANGE COMMISSION | ||
| Washington, D.C. 20549 | ||
| FORM 6-K | ||
| Report of Foreign Issuer<br>Pursuant to Rule 13a-16 or 15d-16<br>of the Securities Exchange Act of 1934 | ||
| For the month of June, 2026 | ||
| Comission File Number: 001-15276 | ||
| Itaú Unibanco Holding S.A. | ||
| (Exact name of registrant as specified in its charter) | ||
| Itaú Unibanco Holding S.A. | ||
| (Translation of Registrant’s Name into English) | ||
| Praça Alfredo Egydio de Souza Aranha, 100 - Torre Conceição | ||
| CEP 04344-902 São Paulo, SP, Brazil<br>(Address of principal executive office) | ||
| Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. | ||
| Form 20-F ☒ | Form 40-F ☐ | |
| Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): | ||
| Yes ☐ | No ☒ | |
| Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): | ||
| Yes ☐ | No ☒ | |
| Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. | ||
| Yes ☐ | No ☒ | |
| If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): | ||
| 82– __________________ |
EXHIBIT INDEX
| 99.1 | ITAÚ UNIBANCO - Announcement to the Market: Perpetual Subordinated Financial Bills |
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| 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. |
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| Date: June 10, 2026. |
| Itaú Unibanco Holding S.A.<br><br>By: /s/ Gustavo Lopes Rodrigues<br><br>Name: Gustavo Lopes Rodrigues<br><br>Title: Investor Relations Officer. |
comunicadoaomercado_lfsx
Announcement to the Market Perpetual Subordinated Financial Bills Itaú Unibanco Holding S.A. (“Company”) announces to the market that it has issued Perpetual Subordinated Financial Bills (“Financial Bills”) in the total amount of BRL 3 billion, in negotiations with professional investors. The Financial Bills are perpetual in nature and may be repurchased as from 2031, subject to the prior authorization of the Central Bank of Brazil. In accordance with Resolutions No. 122 and No. 5.007 of the Central Bank of Brazil, the Financial Bills will compose the Additional Tier 1 of the Company’s Total Capital with an estimated impact of 19 basis points1 on its Tier 1 capital ratio. São Paulo (SP), June 10, 2026. Gustavo Lopes Rodrigues Investor Relations Officer 1 Calculated on the capital base of March 31, 2026.