BSAC 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 3, 2026

Document

Santiago, February 3, 2026

Mrs.

Solange Berstein Jáuregui

President

Financial Markets Commission

Present

Mrs President,

In accordance with Articles 9 and 10 of Law No. 18,045 and other applicable regulations, Banco Santander-Chile (hereinafter also referred to as the “Bank”) hereby informs that, as of yesterday, the respective share purchase agreement for 49.99% of the shares of the subsidiary Sociedad Operadora de Tarjetas de Pago Santander Getnet Chile S.A. to Getnet Payments, S.L. was signed by representatives of the Bank and Santander Asesorías Financieras Limitada.

Likewise, a service agreement was signed between Banco Santander-Chile and said subsidiary.

All of the foregoing was approved at the extraordinary shareholders' meeting held on January 27 of this year.

Sincerely,

Cristian Florence Kauer

Deputy CEO

Banco Santander Chile