Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Toro Valencia Juan Esteban 2. Issuer Name and Ticker or Trading Symbol Grupo Cibest S.A. [CIB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) CRA. 48 # 26-85 3. Date of Earliest Transaction (Month/Day/Year) 04/20/2026 (Street) MEDELLIN, COLOMBIA 050001 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Units in Grupo Cibest Equity Securities Fund(1)

(1)

04/20/2026

A

664.56

(1)

(2)

Common Shares and Preferred Shares

(1)

$7.26

8,309.3686

I

Director Voluntary Pension Fund Units(1)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Toro Valencia Juan Esteban CRA. 48 # 26-85 MEDELLIN, COLOMBIA 050001	X

Signatures

/s/ Maria Fernanda Valencia Tafur, Attorney-in-Fact for Juan Esteban Toro Valencia		04/23/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer and administered by an independent third-party manager. The fund is unitized and invests primarily in Grupo Cibest common and preferred shares, together with a small amount of cash. The reporting person does not have voting or investment discretion with respect to the assets held by the fund. The reported units were credited pursuant to a voluntary cash contribution to the fund, are not purchased at a fixed or negotiated price, and are payable solely in cash based on the value of the fund on the date of withdrawal. The number of Grupo Cibest shares economically attributable to the units cannot be determined until the date of withdrawal. The price of a uniton April 20,2026 was COP 26,765.16 equal to approximately $7.26 per Unit using a conversion rate of COP 3,615.1 per $1.
(2)	The instrument has no expiration date

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