CEMIG Files Initial Beneficial Ownership Statement

Ticker: CIG · Form: 3 · Filed: Mar 23, 2026 · CIK: 0001157557

Complexity: simple

Sentiment: neutral

Topics: insider-ownership, regulatory-filing, initial-disclosure

TL;DR

**CEMIG just filed a Form 3, setting the stage for future insider trading disclosures.**

AI Summary

This Form 3 filing indicates that Companhia Energetica de Minas Gerais (CEMIG) has filed an initial statement of beneficial ownership for its securities. This is a standard regulatory filing that establishes a baseline for tracking insider ownership, but it doesn't disclose any specific transactions or changes in ownership. For investors, this matters because it's the foundational step for future disclosures of insider buying or selling, which can signal management's confidence (or lack thereof) in the company's future prospects.

Why It Matters

This filing is a procedural step, establishing the initial ownership record for CEMIG's securities, which is crucial for tracking future insider trading activity.

Risk Assessment

Risk Level: low — This filing is purely administrative and does not indicate any immediate financial risk or opportunity.

Analyst Insight

A smart investor would note this filing as a procedural step and prepare to monitor future Form 4 filings for actual insider transactions, which could provide more actionable insights into management's view of CEMIG's prospects.

Key Players & Entities

FAQ

What is the purpose of a Form 3 filing?

A Form 3 is an initial statement of beneficial ownership of securities, filed by individuals or entities who become an officer, director, or beneficial owner of more than 10% of a class of a company's equity securities. It establishes the baseline for their holdings.

Does this filing indicate any buying or selling of shares by insiders?

No, this Form 3 filing itself does not indicate any buying or selling of shares. It merely establishes the initial beneficial ownership position for the reporting entity.

Who is the 'Issuer' mentioned in this filing?

The 'Issuer' mentioned in this filing is ENERGY CO OF MINAS GERAIS, also known as CEMIG, with CIK 0001157557.

What type of securities are covered by this filing?

The filing covers the initial beneficial ownership of securities issued by ENERGY CO OF MINAS GERAIS, as is standard for a Form 3.

Why is it important for investors to track Form 3 filings?

While a Form 3 itself doesn't show transactions, it's important because it's the first step in tracking insider activity. Subsequent filings (Form 4) will then report any changes in ownership, such as purchases or sales, which can provide insights into insider sentiment.

Filing Stats: 421 words · 2 min read · ~1 pages · Grade level 9.7 · Accepted 2026-03-23 13:25:17

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 * Santos Afonso Henriques Moreira (Last) (First) (Middle) BARBACENA 1.200 AVENUE (Street) BELO HORIZONTE MINAS GERAIS 30190-131 (City) (State) (Zip) BRAZIL (Country) 2. Date of Event Requiring Statement (Month/Day/Year) 06/26/2025 3. Issuer Name and Ticker or Trading Symbol ENERGY CO OF MINAS GERAIS [ CIG,CIGC ] 3a. Foreign Trading Symbol [ CMIG3,CMIG4 ] 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: Remarks: Reporting person beneficially owns no securities of the issuer No securities are beneficially owned. Matheus Campos, Attorney-in-Fact for Santos Afonso 03/23/2026 ** 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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