6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

For the month of June, 2019

Comission File Number 001-32535

Bancolombia S.A.

(Translation of registrant’s name into English)

Cra. 48 # 26-85
Medellín, Colombia
(Address of principal executive offices)

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 x                    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):___

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(2):___

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 x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-                    .

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.

	BANCOLOMBIA S.A. (Registrant)
Date:  June 26, 2019	By:	/s/  JAIME ALBERTO VELÁSQUEZ B.
		Name:	Jaime Alberto Velásquez B.
		Title:	Vice President of Strategy and Finance

EX-99.1

Exhibit 99.1

BANCOLOMBIA S.A. ANNOUNCES RESOLUTION OF THE BOARD OF DIRECTORS

Medellin, Colombia, June 26, 2019

At a meeting held yesterday, the Board of Directors of Bancolombia S.A. (“Bancolombia”) unanimously authorized Mauricio Rosillo Rojas, Chief Legal Officer and General Counsel, to proceed with the sale of his units in an investment portfolio (Fondo de Acciones SVA) which represent shares of Bancolombia.

The sale transaction will be made in accordance with Bancolombia’s internal procedures for the sale and purchase of its shares by officers, which are publicly available on Bancolombia’s Investor Relations website at www.grupobancolombia.com.co, in the “Corporate Governance” section.

Contacts
Jaime A. Velásquez	Jose Humberto Acosta	Alejandro Mejía
Strategy and Finance VP	Financial VP	IR Manager
Tel.: (574) 4042199	Tel.: (571) 4885934	Tel.: (574) 4041837