ECOPETROL: Loza Arenas Files Form 3, Signals New Insider Ownership

Loza Arenas Cesar Eduardo 3 Filing Summary
FieldDetail
CompanyLoza Arenas Cesar Eduardo
Form Type3
Filed DateMar 25, 2026
Risk Levellow
Pages1
Reading Time2 min
Sentimentneutral

Complexity: simple

Sentiment: neutral

Topics: insider-ownership, form-3, initial-disclosure

TL;DR

**New insider Cesar Eduardo Loza Arenas just filed a Form 3 for ECOPETROL S.A., signaling initial ownership.**

AI Summary

Cesar Eduardo Loza Arenas, a new insider at ECOPETROL S.A. (NYSE: EC), filed a Form 3 on March 24, 2026, indicating his initial beneficial ownership of securities as of March 18, 2026. This filing is a standard disclosure required when an individual becomes an officer, director, or beneficial owner of more than 10% of a company's stock. For investors, this matters because it signals a new key individual's involvement with the company, and future filings (Form 4) will show if he buys or sells shares, which can be an indicator of insider confidence.

Why It Matters

This filing introduces a new insider, Cesar Eduardo Loza Arenas, to ECOPETROL S.A., whose future trading activity could provide insights into the company's prospects.

Risk Assessment

Risk Level: low — A Form 3 is a routine initial disclosure and does not inherently indicate a positive or negative event for the company.

Analyst Insight

Investors should monitor future Form 4 filings from Cesar Eduardo Loza Arenas to observe any subsequent purchases or sales of ECOPETROL S.A. stock, which could signal his confidence in the company.

Key Players & Entities

  • Loza Arenas Cesar Eduardo (person) — Reporting Person, new insider
  • ECOPETROL S.A. (company) — Issuer of securities
  • 0001444406 (company) — CIK for ECOPETROL S.A.
  • 0002122680 (person) — CIK for Loza Arenas Cesar Eduardo

FAQ

What is the purpose of a Form 3 filing?

A Form 3, as filed by Loza Arenas Cesar Eduardo, is an 'Initial statement of beneficial ownership of securities' required when an individual becomes an officer, director, or beneficial owner of more than 10% of a class of a company's equity securities.

Who is the reporting person in this filing?

The reporting person is Loza Arenas Cesar Eduardo, identified by CIK 0002122680.

Which company's securities are involved in this filing?

The securities are those of ECOPETROL S.A., identified as the 'Issuer' with CIK 0001444406.

When was this Form 3 filed and what is the period of report?

This Form 3 was filed on March 24, 2026, and the 'Period of Report' is March 18, 2026.

What is the business address listed for ECOPETROL S.A.?

The business address for ECOPETROL S.A. is KR 13 36-24, BOGOTA BOGOTA BOGOTA, Colombia 110311.

Filing Stats: 407 words · 2 min read · ~1 pages · Grade level 9.1 · Accepted 2026-03-24 21:00:13

Filing Documents

From the Filing

SEC FORM 3 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 OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5 1. Name and Address of Reporting Person * Loza Arenas Cesar Eduardo (Last) (First) (Middle) C/O ECOPETROL S.A. KR 13 36-24 (Street) 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) X Director 10% Owner Officer (give title below) Other (specify below) 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) 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: No securities are beneficially owned. /s/ Cesar Eduardo Loza Arenas 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)

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