6-K

FORM 6-K

SECURITIES ANDEXCHANGE COMMISSION

Washington, D.C.20549

Report of ForeignPrivate Issuer

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

For the monthof October, 2025

Commission FileNumber 001-15266

BANK OF CHILE

(Translation of registrant’s name into English)

Ahumada 251****Santiago, Chile

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ☒  Form 40-F ☐

BANCO DE CHILE

REPORT ON FORM 6-K

Attached is an English translation of a letter filed by Banco de Chile with the Chilean Financial Market Commission and local stock exchanges, informing as Material Information that Banco de Chile placed certain bonds in the offshore market.

Santiago, October 30, 2025

Mrs.

Solange Berstein Jáuregui

President

Financial Market Commission

Present

Of our consideration:

Pursuant to Articles 9 and 10 of Law No. 18,045, Chapter No. 18-10 of the Restated Regulations for Banks issued by the Financial Market Commission (“CMF”), duly authorized for this purpose, I inform you the following as Material Information regarding this institution:

Today, October 30, 2025, Banco de Chile has carried out a placement of bonds in the offshore market, issued under its Medium Term Notes Program (“MTN”), for a total amount of HKD (Hong Kong Dollars) 620,000,000, with a maturity date of November 12, 2032, at an annual placement rate of 3.735%.

Sincerely,

Sergio Karlezi Aboitiz

Treasury Division Manager

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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: October 30, 2025

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