Grupo Cibest director acquires 644 pension fund units

The reported units are payable solely in cash, and the number of underlying Grupo Cibest shares is determined at withdrawal.

Rhea-AI Filing Summary

Grupo Cibest S.A. director Andres Felipe Mejia Cardona acquired 643.9100 units in an issuer-sponsored voluntary pension fund on September 21, 2026, bringing his reported indirect position to 76,288.7400 units. The units were credited following a voluntary cash contribution and are payable solely in cash based on the fund’s value at withdrawal. The number of underlying Grupo Cibest shares cannot be determined until then; Mejia Cardona has no voting or investment discretion over the fund’s assets.

Insider Trade Summary

Grant/Award: 643.91 shares

Grant/Award 1 txn

Insider Mejia Cardona Andres Felipe

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Units in Grupo Cibest Equity Securities Fund F1, F2	643.91	$9.64	$6K

Holdings After Transaction: Units in Grupo Cibest Equity Securities Fund — 76,288.74 contracts (Indirect, Director Voluntary Pension Fund Units)

Footnotes (2)

1. F1. 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 Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.
2. F2. The instrument has no expiration date.

Key Figures

Units acquired: 643.9100 units Reported indirect position after transaction: 76,288.7400 units Fund unit value: COP 30,779.2605 per unit +2 more

5 metrics

Units acquired 643.9100 units September 21, 2026

Reported indirect position after transaction 76,288.7400 units After the September 21, 2026 transaction

Fund unit value COP 30,779.2605 per unit September 21, 2026

Approximate U.S. dollar value Approximately $9.64 per unit September 21, 2026

Currency conversion rate COP 3,192.92 per $1 Used to express the unit value in U.S. dollars

Key Terms

unitized, voluntary pension fund, voting or investment discretion, conversion rate

4 terms

unitized financial

"The fund is unitized"

voluntary pension fund financial

"institutional voluntary pension fund sponsored by the issuer"

voting or investment discretion financial

"does not have voting or investment discretion"

conversion rate financial

"using a conversion rate of COP 3,192.92 per $1"

Conversion rate is the proportion of items, people or contracts that take a desired action out of the total possible — for example the share of website visitors who make a purchase, or the number of convertible bonds that are exchanged for shares. Investors care because it measures how effectively a business or financial instrument turns opportunity into real outcomes, like sales or share issuance, which directly affects revenue, cash flow and ownership dilution.

FAQ

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

What was the value of one CIB pension-fund unit?

On September 21, 2026, one unit was valued at COP 30,779.2605, approximately $9.64, using a conversion rate of COP 3,192.92 per $1.

Was the CIB director’s fund-unit acquisition under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported for the transaction.

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

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Available on EDGAR 09/23/2026 - 03:34 PM Accepted by SEC EDGAR 09/23/2026 - 03:32 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mejia Cardona Andres Felipe

(Last) (First) (Middle)

CRA. 48 # 26-85

(Street)

MEDELLIN, COLOMBIA 050001

(City) (State) (Zip)

COLOMBIA

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

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 Securities Underlying Derivative Security (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: 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)	09/21/2026		A		643.91		(1)	(2)	Common Shares and Preferred Shares	(1)	$9.64	76,288.74	I	Director Voluntary Pension Fund Units(1)

Explanation of Responses:

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 Unit on September 21, 2026 was COP 30,779.2605 equal to approximately $9.64 per Unit using a conversion rate of COP 3,192.92 per $1.

2. The instrument has no expiration date.

Remarks:

	/s/ Maria Fernanda Valencia Tafur, Attorney-in-Fact for Andres Felipe Mejia Cardona	09/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)