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 January, 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: January 20, 2026

Ecopetrol publishes measures aimed at ensuring theadequate representation of Shareholders at the Extraordinary Meeting to be held on February 5^th^, 2026

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol” or the “Company”) announces that, in compliance with the provisions set forth in Part III, Title I, Chapter VI of the Legal Basic Circular issued by the Financial Superintendence of Colombia (C.E. 006 of 2025), the following measures are expected to be in effect to ensure the adequate representation of shareholders at the Extraordinary Shareholders’ Meeting to be held on February 5, 2026:

·	Inform shareholders of their<br>right to be represented through the appointment of a proxy, and set out the legal requirements for the powers of attorney granted for<br>such purpose.
·	Instruct those designated to<br>verify the powers of attorney granted by shareholders that they may not accept any such powers of attorney that do not meet the minimum<br>requirements established by law, and that no powers of attorney may be accepted in which the name of the respective representative is<br>not clearly stated.
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·	Remind Ecopetrol’s managers<br>and employees that: (i) they must abstain from influencing the selection of shareholders’ attorneys-in-fact; (ii) they must not<br>recommend that shareholders vote for a specific candidate slate for the board of directors; and (iii) they must not suggest, coordinate,<br>or agree with shareholders on the submission of proposals at the meeting, or on voting for 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 of the Company or to employees of Ecopetrol.
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·	Remind employees that, while<br>serving in their roles, they may not act as attorneys-in-fact of any shares other than their own, except in certain cases of legal representation.
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·	Designate the Corporate Legal<br>Vice Presidency and General Secretariat as the area responsible for reviewing and verifying the powers of attorney.”
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Bogota D.C., January 19, 2026

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 for growthand its ongoing access to capital to fund the Company’s business plan, among others. Consequently, changes in the following factors,among others, could cause actual results to differ materially from those included in the forward-looking statements: market prices ofoil & gas, our exploration, and production activities, market conditions, applicable regulations, the exchange rate, the Company’scompetitiveness and the performance of Colombia’s economy and industry, to mention a few. We do not intend and do not assume anyobligation to update these forward-looking statements.

For more information, please contact:

Investor Relations Department

Email: [email protected]

Head of Corporate Communications (Colombia)

Marcela Ulloa

Email: [email protected]