Banco Santander Brasil Files 6-K for December 2025

TL;DR

Santander Brasil filed its monthly 6-K, confirming 20-F annual report filings.

AI Summary

Banco Santander (Brasil) S.A. filed a Form 6-K on December 4, 2025, for the month of December 2025. The filing is for a foreign private issuer and indicates the company will file its annual reports under Form 20-F. The principal executive office is located in Sao Paulo, Brazil.

Why It Matters

This filing provides routine updates for investors and regulators regarding Banco Santander (Brasil) S.A.'s status as a foreign private issuer. It confirms their adherence to reporting requirements.

Risk Assessment

Risk Level: low — This is a routine administrative filing (6-K) and does not contain new financial or operational information that would typically impact risk.

Key Players & Entities

• Banco Santander (Brasil) S.A. (company) — Registrant
• 001-34476 (dollar_amount) — Commission File Number
• 20251204 (date) — Filing Date
• December 2025 (date) — Reporting Period

FAQ

Filing Documents

• bsbr20251204_6k.htm (6-K) — 14KB
• bsbr202512046k_001.jpg (GRAPHIC) — 2KB
• 0001292814-25-004168.txt ( ) — 18KB

From the Filing

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 December, 2025 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 So 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 BANCO SANTANDER (BRASIL) S.A. Publicly-held Company with Authorized Capital CNPJ n 90.400.888/0001-42 NIRE 35.300.332.067 NOTICE TO THE MARKET BANCO SANTANDER (BRASIL) S.A. ("Santander Brasil" or "Company") hereby informs its shareholders and the market in general that it has carried out the issuance of financial bills with a subordination clause ("Financial Bills"), the proceeds of which will be used to compose the Company's Tier II Reference Equity (PR), in the total amount of BRL 2,362,800,000.00 (two billion three hundred sixty-two million eight hundred thousand Brazilian reais), in negotiations with private investors. The Financial Bills have a maturity term of 10 (ten) years, with a repurchase option starting in 2030, in accordance with the applicable regulation. The Financial Bills are authorized to compose the Tier II Capital of the Company's Reference Equity, with an impact on its Tier II capitalization ratio, pursuant to BCB Resolution No. 122, dated August 2, 2021. So Paulo, December 04, 2025. Gustavo Alejo Viviani Investor Relations Officer BANCO SANTANDER (BRASIL) S.A. 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: December 4, 2025 Banco Santander (Brasil) S.A. By: / S / Reginaldo Antonio Ribeiro Reginaldo Antonio Ribeiro Officer without specific designation By: / S / Gustavo Alejo Viviani Gustavo Alejo Viviani Vice - President Executive Officer

View Full Filing

View this 6-K filing on SEC EDGAR