UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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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~~July,2026

Commission File Number 001-42656

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Grupo Cibest S.A.

(Translation of registrant’s name into English)

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Cra. 48 # 26-85

Medellín, Colombia

(Address of principal executive offices)

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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 þ						Form 40-F o


1

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.

	Grupo CIBEST S.A.(Registrant)
Date June 30,2026	By:	/s/ MAURICIO BOTERO WOLFF.
Date July,1,2026	By:	/s/ MAURICIO BOTERO WOLFF.
	Name:	Mauricio Botero Wolff
	Title:	Vice President of Strategy and Finance

~~June~~July 301, 2026

~~Medellin~~Medellín, Colombia

GRUPO CIBEST S.A. ~~REPORTS~~CLARIFIES ~~COMPLETION~~THE DECISIONS OF ~~THE~~ITS ~~SALE~~BOARD OF ~~BANISTMO S.A.~~DIRECTORS

As disclosed to the market on June 25, 2026, Grupo Cibest S.A. (“Grupo Cibest”) ~~reports~~clarifies that, ~~today~~pursuant to the ~~sale~~current Board of ~~Banistmo~~Directors ~~S.A.~~compensation ~~(Banistmo)~~policy approved by Grupo Cibest’s Shareholders’ Meeting, ~~initially~~70% ~~announced~~of the Board members’ compensation is paid in cash and the remaining 30% is paid through a contribution to the ~~market~~SVA onInstitutional ~~December~~Fund ~~18,~~(the ~~2025~~“SVA Fund”) managed by Protección S.A., ~~has~~whose ~~been~~investment ~~completed~~is primarily in shares of Grupo Cibest. Each contribution is subject to a two (2) year holding period.

AsAccordingly, athe ~~result~~authorization ofgranted by the ~~completion~~Board of ~~the~~Directors ~~sale, Grupo Cibest transferred~~ to ~~Banco~~Luis LaFernando ~~Hipotecaria~~Restrepo ~~S.A.~~Echavarría ~~(La~~is ~~Hipotecaria),~~for ahim ~~subsidiary~~to ofpartially ~~Inversiones~~redeem ~~Cuscatlán~~units ~~Centroamérica S.A. (Inversiones Cuscatlán), 100%~~ of ~~the~~participation ~~shares of Banistmo~~ in ~~exchange for~~ the ~~agreed~~SVA ~~and~~Fund ~~previously~~that ~~announced~~have ~~purchase~~already ~~price.~~satisfied ~~The transaction price was paid with funds from La Hipotecaria and an international syndicated loan. As a result of~~ the ~~foregoing,~~applicable ~~Banistmo~~holding ~~ceased~~period ~~to be a subsidiary of Grupo Cibest and is now wholly owned by the Inversiones Cuscatlán group~~requirement.

Grupo Cibest reports that it has not entered into any agreements with Inversiones Cuscatlán in relation to the election of directors and other material corporate matters.

Contacts


Mauricio Botero Wolff			Catalina Tobón Rivera
Strategy and Financial VP			IR Director
Tel.: (57 604) 4040858			Tel.: (57 601) 4885950
ir@Grupocibest.com.co			ir@Grupocibest.com.co

Filing Compare · Grupo Cibest S.A.