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  4. [Form 4] Grupo Cibest S.A. Insider Trading Activity

Grupo Cibest director sells 1,059.84 pension units

The cash disposition was paid at about $9.69 per unit, with 20,525.15 units remaining in the pension fund afterward, per the Form 4.

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Grupo Cibest S.A. (CIB) reported that director Silvina Vatnick had an indirect disposition to the issuer on August 31, 2026 of 1,059.84 units in a Grupo Cibest equity securities pension fund. The units are held in an institutional voluntary pension fund sponsored by Grupo Cibest and administered by an independent manager, and the reporting person has no voting or investment discretion over the fund’s assets. The disposition was paid exclusively in cash based on the fund’s value on August 31, 2026 at approximately $9.69 per unit, and 20,525.15 units remained indirectly held afterward.

Positive

  • None.

Negative

  • None.
Insider Vatnick Silvina
Role Director
Type Security Shares Price Value
Disposition Units in Grupo Cibest Equity Securities Fund F1, F2 1,059.84 $9.69 $10K
Holdings After Transaction: Units in Grupo Cibest Equity Securities Fund — 20,525.15 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 declared units were paid exclusively in cash, based on the value of the fund on August 31, 2026. The price of a unit on August 31, 2026 was COP 31,044.064842 equal to approximately $9.69 per Unit using a conversion rate of COP 3,202.79 per $1.
  2. F2. The instrument has no expiration date.
Units disposed 1,059.84 units Indirect disposition to issuer on August 31, 2026 from director voluntary pension fund
Units held following transaction 20,525.15 units Indirect holdings in Grupo Cibest equity securities pension fund after August 31, 2026 disposition
Unit value in COP COP 31,044.064842 per unit Value of pension fund unit on August 31, 2026 used for the cash payment
Unit value in USD $9.69 per unit Approximate dollar value of each pension fund unit on August 31, 2026
Currency conversion rate COP 3,202.79 per $1 Rate used to convert the COP unit value to U.S. dollars on August 31, 2026
institutional voluntary pension fund financial
"The reported securities represent units held by the reporting person in an institutional voluntary pension fund sponsored by the issuer"
unitized financial
"The fund is unitized and invests primarily in Grupo Cibest common and preferred shares"
conversion rate financial
"using a conversion rate of COP 3,202.79 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

What insider transaction did Grupo Cibest S.A. (CIB) disclose for Silvina Vatnick?
The company disclosed that director Silvina Vatnick indirectly disposed of 1,059.84 units in a Grupo Cibest equity securities pension fund on August 31, 2026, in a transaction categorized as a disposition to the issuer and settled entirely in cash.

How many Grupo Cibest (CIB) pension fund units did Silvina Vatnick hold after the transaction?
After the August 31, 2026 disposition, 20,525.15 units in the Grupo Cibest equity securities pension fund remained indirectly associated with Silvina Vatnick through the director voluntary pension fund arrangement.

What price per unit applied to Silvina Vatnick’s August 31, 2026 transaction in CIB’s pension fund?
The transaction used a unit value of COP 31,044.064842, equal to approximately $9.69 per unit, based on a conversion rate of COP 3,202.79 per $1 as of August 31, 2026.

Does Silvina Vatnick control voting or investment decisions for the Grupo Cibest (CIB) pension fund units?
No. The filing states that the reporting person does not have voting or investment discretion regarding the assets held by the institutional voluntary pension fund; it is administered by an independent third-party manager.

Was the Grupo Cibest (CIB) insider transaction under a Rule 10b5-1 trading plan?
No. The document-level Rule 10b5-1 checkbox was left unchecked, and the footnotes describe the mechanics of the voluntary pension fund but do not state that the disposition occurred under a Rule 10b5-1 trading plan.

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

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SEC Form 4
FORM 4UNITED 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*
Vatnick Silvina
(Last)(First)(Middle)
CRA. 48 # 26-85
(Street)
MEDELLIN, COLOMBIA050001
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Units in Grupo Cibest Equity Securities Fund(1)(1)08/31/2026D1,059.84 (1) (2)Common Shares and Preferred Shares(1)$9.6920,525.15IDirector 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 declared units were paid exclusively in cash, based on the value of the fund on August 31, 2026. The price of a unit on August 31, 2026 was COP 31,044.064842 equal to approximately $9.69 per Unit using a conversion rate of COP 3,202.79 per $1.
2. The instrument has no expiration date.
Remarks:
/s/ Maria Fernanda Valencia Tafur, Attorney-in-Fact for Silvina Graciela Vatnick09/02/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR