Grupo Cibest approves COP 1,271 special dividend

Rhea-AI Filing Summary

Grupo Cibest S.A. (CIB) reports that an extraordinary General Shareholders' Meeting approved a partial reallocation of a specific reserve and an extraordinary cash dividend. The company will reassign COP 1,200,665,358,786 from the reserve titled “For equity strengthening and future distributions” to fund this dividend.

The approved extraordinary dividend is COP 1,271 per share, payable in a single payment on September 1, 2026, with a stated total of COP 1,200,665,358,786, based on 508,474,753 common and 436,187,213 preferred non-voting shares outstanding as of June 30, 2026. Because a share buyback is in process, dividends on repurchased shares will not be paid and will remain in the same specific reserve. The ex-dividend period is scheduled from August 27, 2026 through September 1, 2026, subject to adjustment by the Bolsa de Valores de Colombia.

Positive

• Approval of a substantial extraordinary dividend of COP 1,271 per share, totaling COP 1.20 trillion, returning capital to shareholders funded from a specific reserve.
• Dividend payment date set for September 1, 2026, giving clear timing for cash distribution to eligible shareholders.

Negative

• None.

Key Figures

Extraordinary dividend per share: COP 1,271 per share Total reserve reallocation for dividend: COP 1,200,665,358,786 Total extraordinary dividend amount: COP 1,200,665,358,786 +4 more

7 metrics

Extraordinary dividend per share COP 1,271 per share Extraordinary dividend approved, payable in a single payment on September 1, 2026

Total reserve reallocation for dividend COP 1,200,665,358,786 Amount moved from specific reserve to fund the extraordinary dividend

Total extraordinary dividend amount COP 1,200,665,358,786 Total dividend corresponding to common and preferred shares outstanding as of June 30, 2026

Common shares outstanding 508,474,753 shares Common shares outstanding as of June 30, 2026 used to calculate the dividend

Preferred non-voting shares outstanding 436,187,213 shares Preferred non-voting shares outstanding as of June 30, 2026 used to calculate the dividend

Ex-dividend period start August 27, 2026 Start of ex-dividend period, subject to adjustment by Bolsa de Valores de Colombia

Ex-dividend period end / payment date September 1, 2026 End of ex-dividend period and scheduled payment date for the extraordinary dividend

Key Terms

extraordinary dividend, specific reserve (reserva ocasional), preferred non-voting shares, share buyback, +1 more

5 terms

extraordinary dividend financial

"to make an extraordinary dividend distribution was approved by the requisite"

A one-time cash payment to shareholders that is larger than a company’s regular dividend, usually paid from unusual sources such as asset sales, legal settlements, or excess cash. It matters to investors because it can temporarily boost returns and signal how a company is using rare gains, while also affecting the company’s cash reserves and potentially the stock price much like finding a large, unexpected bonus in your bank account.

specific reserve (reserva ocasional) financial

"The partial change in the allocation of the specific reserve (reserva ocasional)"

preferred non-voting shares financial

"considering 508,474,753 common shares and 436,187,213 preferred non-voting shares"

share buyback financial

"Because the company is carrying out a share buyback process, the number"

A share buyback is when a company uses its cash to purchase its own stock from the market, which reduces the number of shares available to other investors. Think of it like a bakery buying back some of its own cookies so the remaining cookies are a bigger slice of the business; buybacks can raise per-share earnings and ownership stakes and signal management’s confidence, but they also use cash that could have been spent on growth or dividends.

ex-dividend period financial

"The ex-dividend period will run from the first trading day"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What extraordinary dividend did Grupo Cibest (CIB) approve?

Grupo Cibest approved an extraordinary dividend of COP 1,271 per share, funded by reallocating COP 1,200,665,358,786 from a specific reserve. The dividend is payable in a single payment on September 1, 2026 to shareholders of record before the ex-dividend period.

What is the total amount of the extraordinary dividend for Grupo Cibest (CIB)?

The total extraordinary dividend corresponds to COP 1,200,665,358,786. This amount reflects an allocation from the specific reserve “For equity strengthening and future distributions” and is based on common and preferred shares outstanding as of June 30, 2026.

When will Grupo Cibest (CIB) pay the extraordinary dividend?

Grupo Cibest will pay the extraordinary dividend in a single payment on September 1, 2026. The ex-dividend period is scheduled from August 27, 2026 through September 1, 2026, subject to potential adjustment by the Bolsa de Valores de Colombia.

How many Grupo Cibest (CIB) shares were considered in calculating the dividend?

The calculation considered 508,474,753 common shares and 436,187,213 preferred non-voting shares outstanding as of June 30, 2026. The company notes that an ongoing share buyback could change the number of outstanding shares before payment.

How does Grupo Cibest’s share buyback affect the extraordinary dividend?

Because Grupo Cibest is conducting a share buyback, dividends on repurchased shares will be suspended. Any unpaid dividends related to those repurchased shares will remain in the specific reserve “For equity strengthening and future distributions.”

What reserve is Grupo Cibest (CIB) using to fund the extraordinary dividend?

Grupo Cibest is partially reallocating the specific reserve (reserva ocasional) titled “For equity strengthening and future distributions”, in the amount of COP 1,200,665,358,786, to finance the extraordinary dividend distribution.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/26/2026 - 04:17 PM EDT Accepted by SEC EDGAR 08/26/2026 - 04:16 PM EDT Learn about SEC filing dates

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 August, 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

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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.

			Grupo CIBEST S.A. (Registrant)
Date August, 26,2026			By:			/s/ MAURICIO BOTERO WOLFF.
			Name:			Mauricio Botero Wolff
			Title:			Vice President of Strategy and Finance

August 26, 2026

Medellin, Colombia

GRUPO CIBEST S.A. ANNOUNCES DECISIONS ADOPTED IN ITS SHAREHOLDERS' MEETING

Today, in the extraordinary General Shareholders' Meeting of Grupo Cibest S.A. (“Grupo Cibest”), the proposal to partially change the allocation of the specific reserve (reserva ocasional) and to make an extraordinary dividend distribution was approved by the requisite majority. The proposal provides for the following:

1.The partial change in the allocation of the specific reserve (reserva ocasional) referred to as “For equity strengthening and future distributions” in the amount of one trillion two hundred billion six hundred sixty-five million three hundred fifty-eight thousand seven hundred eighty-six Colombian pesos (COP 1,200,665,358,786), to be allocated to an extraordinary dividend distribution.

2.The payment of an extraordinary dividend of one thousand two hundred seventy-one pesos (COP 1,271) per share, payable in a single payment on September 1, 2026, corresponding to a total amount of one trillion two hundred billion six hundred sixty-five million three hundred fifty-eight thousand seven hundred eighty-six Colombian pesos (COP 1,200,665,358,786), considering 508,474,753 common shares and 436,187,213 preferred non-voting shares outstanding as of June 30, 2026.

Because the company is carrying out a share buyback process, the number of outstanding shares may vary. Consequently, if any dividends remain unpaid at the time of a share buyback, the payment will be suspended with respect to the repurchased shares, and those dividends will remain in the specific reserve (reserva ocasional) referred to as “For equity strengthening and future distributions”.

The ex-dividend period will run from the first trading day following the date on which the dividends are declared through the dividend payment date, as follows:

2

Ex-dividend period start (*)			Ex-dividend period end (*)
August 27, 2026			September 1, 2026

(*) The ex-dividend period dates are subject to adjustment in accordance with the provisions of the Bolsa de Valores de Colombia

The details of the information approved by the shareholders can be accessed in the following link on our website: https://www.grupocibest.com/investor-relations/information-interest/shareholders-meetings

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

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

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