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

The Chief Executive Officer of Ecopetrol S.A. (“Ecopetrol” or the “Company”) hereby summons all shareholders to the extraordinary General Shareholders’ Meeting to be held on February 5, 2026, starting at 8:00 a.m., at Ecopetrol´s main building located on Carrera 13 No. 36 - 24 in Bogota, D.C

The planned agenda for the meeting is the following:

1.	Safety guidelines
2.	Quorum verification
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3.	Opening of the General Shareholders’ Meeting by the Chief Executive Officer of Ecopetrol
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4.	Approval of the Agenda
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5.	Appointment of the chairperson presiding over the General Shareholders’ Meeting
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6.	Appointment of the commission responsible for scrutiny and counting of the votes
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7.	Appointment of the commission responsible for the revision and approval of the minutes of the meeting
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8.	Election of directors for the remainder of the 2025 - 2029 period
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Election of directors for the remainder of the 2025 - 2029 period

The meeting will be held in person and is also expected to be broadcast live via streaming on Ecopetrol's website.

The voting process is expected to be conducted electronically. Shareholders are requested to attend the meeting with their smart mobile devices. If any shareholder does not have access to a device with the technical requirements required, the Company has provided an alternate mechanism for Shareholders to exercise their right to vote.

Shareholders who cannot attend the meeting may be represented by power-of-attorney duly granted in writing to a trusted legal representative, who must meet the requirements established in Article 184 of the Commercial Code of Colombia. Power of attorney templates in Spanish and English can be downloaded from the website at www.ecopetrol.com.co/asamblea-ext2026.eng

For the legal representation of the shareholders, Legal Circular 006 of 2025 regarding the illegal, unauthorized and unsafe practices of securities issuers shall be observed.

Except in cases of legal representation via proxy, Ecopetrol managers and employees may not represent shares other than their own while they are employed by the Company, nor substitute the powers conferred thereon. Additionally, they may not vote on the Company’s financial statements. Additionally, they may not vote on the Company’s financial statements.

RICARDO ROA BARRAGÁN

Chief Executive Officer

Recommendations
•	If<br> an individual is acting as a proxy representative, the corresponding proxy form must be submitted<br> in its physical form at registration along with any additional documentation required. Certificates<br> of incorporation and legal representation of the companies must have been issued not earlier<br> than 30 days prior to the date of the General Shareholders’ Meeting.
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•	To<br> avoid overcrowding and guarantee the adequate participation of all shareholders, registration<br> is expected to being at 7:00 a.m. on the day of the meeting.
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•	To<br> expedite the registration process and ensure appropriate participation at the<br> meeting, for individuals who plan to represent<br> multiple shareholders by proxy, please be advised that an individual may only be responsible<br> for a maximum of 50 proxy forms.
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•	If<br> you experience symptoms of acute respiratory infection (cough, fever, sore throat, muscle<br> pain), we recommend that you refrain from attending the meeting and instead follow it live<br> via streaming. If you do attend please wear a face mask during the meeting.
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•	Shareholders<br> are invited to update their personal information through the Shareholder Service Office´s<br> mail box and/or phone number and/or the Shareholder portal available on Ecopetrol’s<br> website.
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•	Each<br> shareholder requiring additional assistance may be accompanied by one additional person.
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•	No<br> kit will be provided.
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•	Publicity<br> material or any other type of material that might hamper the normal course of the meeting<br> will not be allowed in the facility and their distribution is strictly prohibited.
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