Banco Santander Brasil (BSBR) names Gilson Finkelsztain as new CEO

Rhea-AI Filing Summary

Banco Santander (Brasil) S.A. reported a planned leadership change approved by its Board of Directors. The Board accepted the resignation of Mr. Mario Roberto Opice Leão as Chief Executive Officer, Board member, and member of the Innovation and Technology Committee, effective June 30, 2026.

The Board confirmed that Mr. Gilson Finkelsztain will take office as the new Chief Executive Officer effective July 1, 2026, in line with the succession plan previously disclosed in a Material Fact on March 19, 2026. The Board thanked Mr. Leão for his contributions during his tenure in management.

Insights

Banking governance analyst

Planned CEO transition at Banco Santander Brasil follows disclosed succession plan.

Banco Santander (Brasil) is executing a previously disclosed succession plan, moving from CEO Mario Roberto Opice Leão to Gilson Finkelsztain. The Board both accepted Leão’s resignation from executive and board roles and confirmed Finkelsztain’s assumption of the CEO position.

The change is framed as orderly governance rather than a sudden departure, referencing the succession plan announced in the Material Fact dated March 19, 2026. The transition is effective between June 30 and July 1, 2026, suggesting continuity in leadership and strategy.

Because the filing does not alter stated financial targets or strategy, the main significance lies in leadership continuity and execution of the bank’s planned succession. Future company communications may provide more detail on Finkelsztain’s strategic priorities as CEO.

Key Terms

succession plan, Chief Executive Officer, Board of Directors, Material Fact

4 terms

succession plan financial

"pursuant to the Company’s succession plan disclosed through the Material Fact released to the market on March 19, 2026"

Chief Executive Officer financial

"the exoneration of Mr. Mario Roberto Opice Leão from the positions of Chief Executive Officer"

A chief executive officer (CEO) is the top leader of a company, responsible for making major decisions, setting goals, and guiding the organization’s overall direction. Think of the CEO as the captain of a ship, steering it toward success. Investors pay close attention to the CEO because their leadership and strategy can significantly influence the company's performance and future growth.

Board of Directors financial

"the Board of Directors of Banco Santander (Brasil) S.A. (“Company” or “Santander”) have met"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

Material Fact regulatory

"succession plan disclosed through the Material Fact released to the market on March 19, 2026"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What leadership change did Banco Santander (Brasil) BSBR disclose in this 6-K?

Banco Santander (Brasil) announced a CEO transition. The Board accepted Mario Roberto Opice Leão’s resignation and confirmed Gilson Finkelsztain will assume the Chief Executive Officer role, following the company’s previously disclosed succession plan.

When does the new CEO of Banco Santander (Brasil) BSBR take office?

Gilson Finkelsztain will take office as Chief Executive Officer on July 1, 2026. The Board’s decision follows conditions set in a May 8, 2026 meeting and aligns with the succession plan disclosed on March 19, 2026.

Which positions did Mario Roberto Opice Leão leave at Banco Santander (Brasil) BSBR?

Mario Roberto Opice Leão left multiple roles at the bank. He was relieved as Chief Executive Officer and his resignation from the Board of Directors and the Innovation and Technology Committee was acknowledged, effective on the date of the Board meeting.

Was the CEO change at Banco Santander (Brasil) BSBR part of a succession plan?

Yes, the CEO change is explicitly tied to a corporate succession plan. The Board resolutions reference a succession plan disclosed in a Material Fact released to the market on March 19, 2026, indicating a structured and pre-planned leadership transition.

Did Banco Santander (Brasil) BSBR report any financial results in this 6-K?

No, this report focuses on governance matters, specifically the CEO transition. It records Board resolutions about the resignation of the previous CEO and the confirmation of the new CEO, without presenting financial performance data or operating results.

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 June, 2026

Commission File Number: 001-34476

BANCO SANTANDER (BRASIL) S.A.

(Exact name of registrant as specified in its charter)

Avenida Presidente Juscelino Kubitschek, 2041 and 2235
Bloco A – Vila Olimpia
São Paulo, SP 04543-011
Federative Republic of Brazil

(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 ___X___ 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 ___X____

 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 ___X____

 Indicate by check mark whether by furnishing the information contained in this Form, the Registrant 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____

 If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):  N/A

 

[Free English Translation]

BANCO SANTANDER (BRASIL) S.A.

Public Company with Authorized Capital

Corporate Taxpayer´s Registry No. 90.400.888/0001-42

Company Registry No. 35.300.332.067

Minutes of the Board of Directors Meeting held on June 30, 2026

DATE, TIME AND PLACE: On June 30, 2026, at 9 A.M., by conference call, the Board of Directors of Banco Santander (Brasil) S.A. (“Company” or “Santander”) have met, with the attendance of all of its members.

CALL NOTICE AND ATTENDANCE: The call was waived in view of the attendance of all members of the Board of Directors.

MEETING BOARD: Deborah Stern Vieitas, Chairwoman. Bruno Carneiro, Secretary.

AGENDA: To resolve, pursuant to the Company’s succession plan disclosed through the Material Fact released to the market on March 19, 2026, on: (i) the exoneration of Mr. Mario Roberto Opice Leão from the positions of Chief Executive Officer, member of the Board of Directors, as well as to acknowledge his resignation from the positions of member of the Board of Directors and member of the Company's Innovation and Technology Committee, pursuant to the Resignation Letter executed on this date; and (ii) the confirmation of Mr. Gilson Finkelsztain’s taking office as Chief Executive Officer of the Company, effective as of July 1, 2026, following the fulfillment of the conditions set forth in the minutes of the Board of Directors’ Meeting held on May 8, 2026, at which he was elected.

RESOLUTIONS: After the necessary clarifications were made, the members of the Board of Directors present unanimously resolved, further to the approval of the Company’s succession plan disclosed through the Material Fact released to the market on March 19, 2026, to approve:

(i) the exoneration of Mr. Mario Roberto Opice Leão, Brazilian, married, engineer, holder of Identity Card (RG) No. 24752106 SSP/SP, enrolled with the Individual Taxpayers’ Registry (CPF/MF) under No. 248.745.618-37, from the positions of Chief Executive Officer, and to acknowledge his Resignation Letter, submitted on this date, resigning from the positions of member of the Board of Directors and member of the Company's Innovation and Technology Committee, effective as of the present date; and

(ii) the confirmation of Mr. Gilson Finkelsztain’s taking office as Chief Executive Officer of the Company, effective as of July 1, 2026, following the fulfillment of the conditions set forth in the minutes of the Board of Directors’ Meeting held on May 8, 2026, at which he was elected.

Lastly, the members of the Board of Directors expressed their gratitude to Mr. Mario Roberto Opice Leão for his valuable contributions throughout the period during which he served as a member of the Company’s management

ADJOURNMENT: There being no further matters to be resolved, the Meeting was finalized, and these minutes have been prepared and send to be electronically signed by the attendees. Board: Deborah Stern Vieitas, Chairwoman. Bruno Carneiro, Secretary. Signatures: Mrs. Deborah Stern Vieitas – Chairwoman; Mr. Javier Maldonado Trinchant – Vice Chairman; and Messrs. Antonio Carlos Quintella; Cristiana Almeida Pipponzi; Cristina San Jose Brosa; Deborah Patricia Wright, Ede Ilson Viani, Mario Roberto Opice Leão, Nitin Prabhu, Pedro Augusto de Melo and Vanessa de Souza Lobato Barbosa – Directors. São Paulo, June 30, 2026.

I certify that this is a true transcript of the minutes recorded in the Minutes of the Board of Directors Meetings Book of the Company.

Bruno Garcia Rosa Carneiro

Secretary

SIGNATURE

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, thereto duly authorized.

Date: June 30, 2026

Banco Santander (Brasil) S.A.
By:	/S/ Reginaldo Antonio Ribeiro
	Reginaldo Antonio Ribeiro Officer without specific designation

By:	/S/ Carlos Ignacio Muñiz Gonzalez Blanch
	Carlos Ignacio Muñiz Gonzalez Blanch Vice - President Executive Officer