# EDGAR Filing Document

**Accession Number:** 0001471055
**File Stem:** 0001292814-26-001441
**Filing Date:** 2026-3
**Character Count:** 5177
**Document Hash:** 7d98383609c9be95e73e4230569294e3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001292814-26-001441.hdr.sgml**: 20260320

**ACCESSION NUMBER**: 0001292814-26-001441

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260320

**DATE AS OF CHANGE**: 20260319

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Banco Santander (Brasil) S.A.
- **CENTRAL INDEX KEY:** 0001471055
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMERCIAL BANKS, NEC [6029]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** D5
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34476
- **FILM NUMBER:** 26775470

**BUSINESS ADDRESS:**
- **STREET 1:** AV. JUSCELINO KUBITSCHEK, 2235
- **STREET 2:** AV. JUSCELINO KUBITSCHEK, 2041
- **CITY:** SAO PAULO, SP
- **STATE:** D5
- **ZIP:** 04543-011
- **BUSINESS PHONE:** (55 11) 3174-8589

**MAIL ADDRESS:**
- **STREET 1:** AV. JUSCELINO KUBITSCHEK, 2235
- **STREET 2:** AV. JUSCELINO KUBITSCHEK, 2041
- **CITY:** SAO PAULO, SP
- **STATE:** D5
- **ZIP:** 04543-011

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**UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

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**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 March, 2026**

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**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<br>Bloco A – Vila Olimpia<br>São Paulo, SP 04543-011<br>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): <u>N/A</u>

![](bsbr202603196k1_001.jpg)

**BANCO SANTANDER (BRASIL) S.A.**

Public Company of Authorized Capital

Corporate Taxpayer ID (CNPJ/MF) nº 90.400.888/0001-42

Company Registration (NIRE) 35.300.332.067

**MATERIAL FACT** 

**BANCO SANTANDER (BRASIL) S.A.** ("<u>Santander Brasil</u>" or "<u>Company</u>") hereby informs its shareholders and the market in general that Mr. Mario Roberto Opice Leão, the Company's current Chief Executive Officer, has announced that he will step down from his position by July 2026.

The Company publicly expresses its gratitude to Mr. Mario Leão for his valuable contributions to Santander Brasil and its stakeholders over the last eleven years in which he has worked at the Company, whether as Chief Executive Officer and Member of the Board of Directors, positions he has held in the last 5 years, or as Vice President and Director of the Corporate and Corporate & Investment Banking segments, respectively, positions he held between 2015 and 2021.

The Company also informs that, under the terms of the succession plan of Santander Brasil's Senior Management, and after a favorable recommendation of the Nomination and Governance Committee, Mr. Gilson Finkelsztain was chosen to assume the position of CEO of Santander Brasil, subject to the appropriate regulatory approvals. Chief Executive Officer of B3, the executive has extensive recognition in the sector, having accumulated experience in institutions such as Citibank and J.P. Morgan, in addition to Santander Brasil itself.

The succession will be conducted in a transparent and organized manner and will have the direct participation of Mr. Mario Leão, who will continue to lead Santander Brasil until the conclusion of the process, scheduled for mid-2026, thus ensuring a careful and structured transition.

The Company will keep its shareholders and the market informed about the succession process.

São Paulo, March 19, 2026.

*Gustavo Alejo Viviani*

*Investor Relations Officer*

 

**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: March 19, 2026

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| | |
|:---|:---|
| **Banco Santander (Brasil) S.A.** | **Banco Santander (Brasil) S.A.** |
| By: | /S/ **Reginaldo Antonio Ribeiro** <br>|
|  | **Reginaldo Antonio Ribeiro<br>Officer without specific designation** ****<br>|

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| | |
|:---|:---|
| By: | /S/ **Gustavo Alejo Viviani** <br>|
|  | **Gustavo Alejo Viviani <br>**Vice - President Executive Officer** ****<br>|

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