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 April, 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: April 29, 2026

Document

Santiago, April 29, 2026

Mrs.

Catherine Tornel León

President

Financial Markets Commission

Present

Mrs President,

In accordance with the provisions of the Securities Market Law, the General Banking Law, and other applicable regulations, we hereby inform you that the Ordinary Shareholders' Meeting of Banco Santander-Chile was held yesterday, April 28, 2026, and the following is attached:

1) A prominent notice published today informs that at the aforementioned Ordinary Shareholders' Meeting, the following individuals were elected as Directors: Rodrigo Vergara Montes (Independent), Juan Benavides Feliú (Independent), Orlando Poblete Iturrate (Independent), Mónica López-Monis Gallego, José Francisco Doncel Razola, María Francisca Yáñez Castillo (Independent), Gloria Hutt Hesse (Independent), Félix de Vicente Mingo (Independent), and Blanca Bustamante Bravo (Independent); and as Alternate Directors: Juan Pedro Santa María Pérez (Independent) and Alfonso Gómez Morales (Independent). At a board meeting held on the same date, Rodrigo Vergara Montes was appointed Chairman, and Félix de Vicente Mingo was appointed Vice Chairman.

2) A prominent notice was published today in the Santiago newspaper El Mercurio, announcing the resolution adopted at the aforementioned Ordinary Shareholders' Meeting to distribute a dividend of $3.353346317 per share, charged against the profits of fiscal year 2025. This dividend will be available to shareholders starting May 6, 2026, at the Bank's Head Office located at Bandera N°140, Santiago, and at any of its branches, both in the Metropolitan Region and throughout the rest of the country. Those registered in the Shareholders' Register as of midnight on April 29, 2026, are entitled to this dividend.

It is also reported that at an Extraordinary Shareholders' Meeting of Banco Santander-Chile, held on the same date and following the aforementioned Ordinary Shareholders' Meeting, the matters submitted for its consideration were approved. These included amending the bylaws regarding gender parity on the Board of Directors, eliminating the second vice-presidency, and other formal aspects to adapt them to current regulations, as well as a consolidated text. The applicable regulations will be followed in accordance with these matters.

Sincerely,

Andrés Trautmann Buc

CEO

Banco Santander Chile