ITCB Itau CorpBanca

UNITED STATES

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 May 2019

(Commission File No. 001-32305)

ITAÚ CORPBANCA

(Translation of registrant’s name into English)

Rosario Norte 660

Las Condes

Santiago, Chile

(Address of registrant’s principal executive office)

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  ☐

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  ☒

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  ☒

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes  ☐            No  ☒

On May 29, 2019, Itaú Corpbanca published a press release announcing that, on the same date, it filed a material event notice with the Chilean Financial Market Commission and with the Chilean Superintendency of Banks and Financial Institutions. The press release and material event notice are attached hereto as Exhibits 99.1 and 99.2, respectively.