EC 6-K 2026 - Equibles

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of February, 2026

Commission File Number 001-34175

ECOPETROL S.A.
(Exact name of registrant as specified in its charter)
N.A.
(Translation of registrant’s name into English)
COLOMBIA
(Jurisdiction of incorporation or organization)
Carrera 13 No. 36 – 24
BOGOTA D.C. – COLOMBIA
(Address of principal executive offices)

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 x Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1)

Yes ¨ No x

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7)

Yes ¨ No x

Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ¨ No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- N/A

SIGNATURES

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.

Ecopetrol S.A.

By:	/s/ Alfonso Camilo Barco
	Name:	Alfonso Camilo Barco
	Title:	Chief<br> Financial Officer

Date: February 19, 2026

Ecopetrol publishes measures aimed at ensuring theadequate representation of Shareholders at the Annual General Meeting to be held on March 27^th^, 2026

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol” or the “Company”) announces that to comply with the provisions of Part III, Title I, Chapter VI of the Legal Basic Circular issued by the Financial Superintendence of Colombia (C.E. 006 of 2025), the Company expects to implement the following measures at the Extraordinary Shareholders’ Meeting planned to be held on March 27, 2026. The purpose of these measures is to ensure the adequate representation of shareholders in such meeting:

·	Inform shareholders of their<br>right to be represented by proxy and set out the legal requirements of the proxies to be granted for such purpose.
·	Instruct those designated to<br>verify the shareholders’ proxy assignments that they may not accept a those<br>proxies that fail to meet the minimum requirements established by law, and that no powers of attorney will be accepted where<br>the name of the respective appointed representative is not clearly stated.
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·	Remind Ecopetrol’s managers<br>and employees that: (i) they must not suggest or determine the names of appointees in shareholders’ proxies; (ii) they must not<br>recommend that shareholders vote for a specific candidate list for the board of directors; and (iii) they must not suggest or coordinate,<br>with shareholders on the submission of proposals at the meeting, or on voting in favor of or against any proposal submitted at the meeting.
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·	Prohibit granting powers of attorney<br>to individuals directly or indirectly connected to the management or to employees of Ecopetrol.
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·	Remind employees that, except<br>in cases of legal representation, they may not, while serving in their roles, represent at the meeting any shares other than their own.
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·	Designate the Corporate Legal<br>Vice Presidency and General Secretariat as the area responsible for reviewing and verifying that proxies meet the above-described requirements.
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Bogota D.C., January 19, 2025

Ecopetrol is the largest company in Colombia andone of the main integrated energy companies in the American continent, with more than 19,000 employees. In Colombia, it is responsiblefor more than 60% of the hydrocarbon production of most transportation, logistics, and hydrocarbon refining systems, and it holds leadingpositions in the petrochemicals and gas distribution segments. With the acquisition of 51.4% of ISA’s shares, the company participatesin energy transmission, the management of real-time systems (XM), and the Barranquilla - Cartagena coastal highway concession. At theinternational level, Ecopetrol has a stake in strategic basins in the American continent, with Drilling and Exploration operations inthe United States (Permian basin and the Gulf of Mexico), Brazil, and Mexico, and, through ISA and its subsidiaries, Ecopetrol holds leadingpositions in the power transmission business in Brazil, Chile, Peru, and Bolivia, road concessions in Chile, and the telecommunicationssector.

This release contains statements that may be consideredforward-looking statements within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S.Securities Exchange Act of 1934, as amended. All forward-looking statements, whether made in this release or in future filings or pressreleases, or orally, address matters that involve risks and uncertainties, including in respect of the Company’s prospects forgrowth and its ongoing access to capital to fund the Company’s business plan, among others. Consequently, changes in the followingfactors, among others, could cause actual results to differ materially from those included in the forward-looking statements: marketprices of oil & gas, our exploration, and production activities, market conditions, applicable regulations, the exchange rate, theCompany’s competitiveness and the performance of Colombia’s economy and industry, to mention a few. We do not intend and do not assume any obligation to update these forward-looking statements.

For more information, please contact:

Investor Relations Office

Email: [email protected]

Head of Corporate Communications (Colombia)

Marcela Ulloa

Email: [email protected]