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, 2025

Commission File Number 001-42656

Grupo Cibest 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 þ	Form 40-F o
---	---

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.

June 9, 2025

Medellín, Colombia

GRUPO CIBEST S.A. ANNOUNCES APPOINTMENT OF MEMBERS TO ITS BOARD OF DIRECTORS AND APPROVAL OF THEIR REMUNERATION

Grupo Cibest S.A. (“Grupo Cibest”) announced that today in the Extraordinary General Shareholders’ Meeting, the following members of the Board of Directors were appointed for the period June 2025 – March 2027, with the required majority:

•Ricardo Jaramillo Mejía

•Juan Esteban Toro Valencia

•Andrés Felipe Mejía Cardona

•Nicolás Zapata Zuluaga

•Luis Fernando Restrepo Echavarría

•Silvina Vatnick

•Sylvia Escovar Gómez

The new Directors will begin their duties as of today.

The Directors' profiles can be accessed at this link: https://www.grupocibest.com/wcm/connect/www.grupocibest.com4955/08ac2862-90ea-477f-9d1d-26cadf2ec6f2/12.Concept_of_the_Good_Governance_Committe_regardign_candidates_for_the_Board_of_Directors.pdf?MOD=AJPERES&CVID=pr.s.BJ

Additionally, the General Shareholders’ Meeting approved, with the required majorities, the remuneration of the Board of Directors, which can be consulted at this link: https://www.grupocibest.com/wcm/connect/www.grupocibest.com4955/06429da0-dcc0-4d5c-89a5-913ca1c78c85/_9_Remuneration_of_the_Board_of_Directors_.pdf?MOD=AJPERES&CVID=prkkBfb

The management of Grupo Cibest confirms that the necessary procedures and authorizations were completed to hold the Extraordinary General Shareholders' Meeting, and that the decisions adopted fall within the powers of the Extraordinary General Shareholders’ Meeting in accordance with applicable law and Grupo Cibest’s Bylaws.

Contacts