Banco Bradesco董事会批准续期股份回购计划，授权2026年11月8日至2028年5月8日回购最多106,584,881股

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 October, 2026

Commission File Number 1-15250

BANCO BRADESCO S.A. 

(Exact name of registrant as specified in its charter)

BANK BRADESCO

(Translation of Registrant's name into English)

Cidade de Deus, s/n, Vila Yara
06029-900 - Osasco - SP
Federative Republic of Brazil

(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 ___X___ Form 40-F _______

 Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.  

Yes _______ No ___X____

 .

Renewal of the Company's Shares Buyback Program

Banco Bradesco S.A. (“Bradesco”) hereby informs its shareholders and the market in general that the Board of Directors, at a meeting held on this date, approved the renewal of the Company's share buyback program, authorizing the Board of Executive Officers to acquire, from November 8, 2026 to May 8, 2028, up to 106,584,881 registered book-entry shares with no par value, being up to 53,413,506 common shares and up to 53,171,375 preferred shares, to be held in treasury and subsequently cancelled or disposed of, without reducing Company’s capital stock, as provided in Paragraph 7 of Article 6 of its Bylaws and in accordance with Paragraphs 1 and 2 of Article 30 of Law n^o 6,404/76, and Resolution n^o. 77/22 of Brazilian Securities and Exchange Commission (“CVM”).

The information required by Attachment G of CVM Resolution n^o. 80/22 is included in the Attachment to this Material Fact.

Cidade de Deus, Osasco, SP, October 22, 2026

Banco Bradesco S.A.

André Costa Carvalho

Investor Relations Officer

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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: October 22, 2026

FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.