Ecopetrol (EC) EVP of Energy for Transition reports indirect share holdings

Rhea-AI Filing Summary

ECOPETROL S.A. executive Triana Arias Bayron, EVP of Energy for Transition, filed an initial ownership report on Form 3. The filing shows indirect holdings of common shares, including 28,000 shares held through a fund and 1,891 shares held with ownership described as "By Wife." A footnote explains that the fund shares are in a vehicle where the reporting person has voting and investment control.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Triana Arias Bayron

Role EVP of Energy for Transition

Type	Security	Shares	Price	Value
holding	Common Shares	--	--	--
holding	Common Shares	--	--	--

Holdings After Transaction: Common Shares — 1,891 shares (Indirect, By Wife)

Footnotes (1)

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Key Figures

Indirect fund holdings: 28,000 shares Indirect spousal holdings: 1,891 shares Unknown transaction entries: 2 entries

3 metrics

Indirect fund holdings 28,000 shares Common shares held indirectly through a fund

Indirect spousal holdings 1,891 shares Common shares with nature of ownership "By Wife"

Unknown transaction entries 2 entries Classified as holdings with unknown transaction code

Key Terms

Form 3, indirect ownership, voting and investment control, Common Shares

4 terms

Form 3 regulatory

"filed an initial ownership report on Form 3"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

indirect ownership financial

"The filing shows indirect holdings of common shares"

voting and investment control financial

"a fund in which the Reporting Person holds voting and investment control"

Common Shares financial

"The filing shows indirect holdings of common shares"

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF 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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1. Name and Address of Reporting Person^*

Triana Arias Bayron

(Last) (First) (Middle)

C/O ECOPETROL S.A.

KR 13 36-24

(Street)

BOGOTA BOGOTA 110311

(City) (State) (Zip)

COLOMBIA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
ECOPETROL S.A. [ EC ]

3a. Foreign Trading Symbol
[ECOPETROL]

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

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP of Energy for Transition

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares	1,891	I	By Wife
Common Shares	28,000	I	By Fund(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects shares held in a fund in which the Reporting Person holds voting and investment control.

	/s/ Bayron Triana Arias	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does EC (Ecopetrol) disclose in Triana Arias Bayron’s Form 3?

The Form 3 discloses that EVP of Energy for Transition, Triana Arias Bayron, reports indirect ownership of Ecopetrol common shares, including 28,000 shares held via a fund and 1,891 shares held with ownership described as "By Wife."

How many Ecopetrol (EC) shares are reported as held through a fund?

The filing reports 28,000 Ecopetrol common shares held indirectly through a fund. A footnote states the reporting person holds voting and investment control over this fund, clarifying that these shares are attributable to the insider for reporting purposes.

What indirect Ecopetrol (EC) holdings are reported as "By Wife"?

The Form 3 lists 1,891 Ecopetrol common shares as indirectly owned with the nature of ownership noted as "By Wife." This indicates the shares are attributed to the reporting person through a spousal relationship under SEC beneficial ownership rules.

Does the Ecopetrol (EC) Form 3 show recent insider buying or selling?

The Form 3 functions as an initial ownership report and lists indirect holdings, not new transactions. The available data classify these entries as holdings with unknown transaction codes, so it does not specifically record recent insider purchases or sales.

What role does Triana Arias Bayron hold at Ecopetrol (EC) in this Form 3?

The filing identifies Triana Arias Bayron as an officer of Ecopetrol with the title "EVP of Energy for Transition." This contextualizes the insider’s senior management position while disclosing their indirect ownership of Ecopetrol common shares.