6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

Form 6-K

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934

For the month of February, 2026

Commission File Number: 001-14554

Banco Santander-Chile

Santander-Chile Bank

(Translation of Registrant’s Name into English)

Bandera 140, 20th floor

Santiago, Chile

Telephone: 011-562-320-2000

(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 ☒    Form 40-F ☐

EXHIBIT INDEX

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, thereunto duly authorized.

Date: February 2, 2026

Document

Santiago, February 2, 2026

Mrs.

Solange Berstein Jáuregui

President

Financial Markets Commission

Present

Mrs President,

In accordance with Articles 9 and 10 of Law No. 18,045, Article 147 of Law No. 18,046, and other applicable regulations, Banco Santander-Chile (hereinafter also referred to as the “Bank”) hereby informs you that, effective immediately, the administration of the Bank's shareholder registry will be carried out through DCV Registros S.A., a subsidiary of the Depósito Central de Valores (DCV).

This information was also communicated at the company's most recent shareholders' meeting and in a letter to shareholders. The relevant information has been made available in the shareholders' section of the Bank's website, as well as on the DCV Registros S.A. website and through its other customer service channels.

Sincerely,

Cristian Florence Kauer

Deputy CEO

Banco Santander Chile