Welcome to our dedicated page for Energy Company of Minas Gerais SEC filings (Ticker: CIG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Companhia Energética de Minas Gerais-CEMIG filings document the reporting obligations of a Brazilian foreign private issuer engaged in electricity generation, transmission, distribution, commercialization, and natural gas distribution. Its Form 20-F and Form 6-K disclosures cover financial results, interim financial information, risk language, shareholder distributions, interest on equity, dividends, and communications with CVM, B3, and U.S. regulators.
The filing record also includes remote voting forms, annual and extraordinary meeting materials, management proposals, changes in relevant shareholding, executive board composition, debenture activity, subsidiary transactions, completed acquisitions, power-plant transfers, concession-related GSF credit matters, and the completed delisting of shares from Latibex.
Cemig reported solid but mixed 1Q26 results. Net operating revenue reached R$10.46 billion, up 6.3% year on year, while EBITDA was R$1.79 billion and net income R$979 million, both slightly below 1Q25 as weaker trading and higher financial expenses offset strong distribution performance.
Distribution EBITDA jumped on the May 2025 tariff adjustment, lower post‑employment expenses and better loss indicators, with DEC and FEC both below regulatory limits. The company invested R$1.48 billion, focused on regulated networks, and maintained leverage at 2.45x net debt/adjusted EBITDA.
Strategically, the board elected Alexandre Ramos Peixoto as CEO, Banco Clássico increased its stake to 17.63% of share capital, and subsidiary Cemig SIM closed a R$155 million acquisition of 11 distributed solar plants totaling 26.2 MWp. Shareholders approved 2025 earnings distributions totaling R$0.9918 per share, with additional dividends of R$0.2364 per share to be paid in two installments in 2026.
ENERGY CO OF MINAS GERAIS CEO Alexandre Ramos Peixoto filed an initial Form 3 showing his equity position in the company. The filing reports direct ownership of 124 Preferred Shares following the reported entry, with no buy or sell transactions indicated.
ENERGY CO OF MINAS GERAIS director files initial ownership report. Director Valeria Pires Amoroso Lima submitted a Form 3 as a reporting person of the company. The data provided show no buy, sell, acquisition, disposition, or derivative transactions reported in this filing.
ENERGY CO OF MINAS GERAIS director files initial ownership report. Maria do Socorro Gama da Silva, identified as a director and not a ten percent owner, submitted a Form 3. The filing lists no transactions or derivative positions, serving purely as an initial disclosure of insider status.
ENERGY CO OF MINAS GERAIS director Marcio Pereira Zimmermann filed an initial Form 3 reporting his holdings in the company. The filing shows direct ownership of 25,000 Preferred Shares, establishing his reported equity position as of the filing date, with no buy or sell transaction reported.
Director Aloisio Macario Ferreira de Souza of Energy Co of Minas Gerais reported an open-market sale of 1,550 shares of Preferred Stock on April 6, 2026 at $2.49 per share. After this transaction, he directly holds 6,450 preferred shares.
Companhia Energética de Minas Gerais – Cemig reports several corporate actions and updates. The company calls an online Annual Shareholders’ Meeting for April 30, 2026, with remote voting procedures and proposals to approve 2025 financial statements, allocate 2025 net income of R$4,897,409 thousand and set management and board compensation.
Cemig’s board approved Interest on Equity of R$657,957,000.00, equal to R$0.23000005834 per share, to be paid in two installments by June 30, 2027 and December 30, 2027. The company also completed the acquisition of a 51% stake in Hidrelétrica Pipoca S.A. for R$38.87 million; the plant has 20 MW of installed capacity and 11.9 average MW of assured energy.
Subsidiary Cemig Distribuição concluded the financial liquidation of its 15th debenture issue, placing 1,150,000 debentures totaling R$1,150,000,000.00 at IPCA plus 6.9416% per year, maturing in 15 years, with proceeds earmarked for a priority project. Cemig also filed its 2025 Form 20-F with the SEC and provided formal clarifications to CVM and B3 on media reports about a potential corporation model and on adjustments to its remote voting form.
Companhia Energética de Minas Gerais – CEMIG files its Form 20‑F annual report as a state‑controlled Brazilian power utility focused on generation, transmission, distribution and gas. The company prepares IFRS financials in Reais and translates figures at R$5.5018 per US$1.00 as of December 31, 2025.
CEMIG reports 956,601,911 common shares and 1,905,179,984 preferred shares outstanding, with ADSs listed on the New York Stock Exchange. The report emphasizes extensive regulatory, concession, hydrological, credit, cybersecurity, AI, ESG and Brazilian macroeconomic risks, along with rising indebtedness, tight covenants, growing customer delinquencies and loss‑control challenges in its distribution subsidiary.
Energy Co of Minas Gerais director Marcus Leonardo Silberman has filed an initial Form 3, which is a statement of beneficial ownership by an insider. The filing reports his status as a director of the company but shows no insider share purchases, sales, or other transactions.
Cemig reported a strong 4Q25, driven by non-recurring gains and solid operations. Consolidated IFRS net profit reached R$1,875.9 million versus R$997.6 million a year earlier, while adjusted profit was R$1,022.7 million, 12.3% lower. EBITDA rose to R$2,946.5 million, up 53.9%, but adjusted EBITDA slipped 6.5% to R$1,810.8 million, reflecting normalization of one-off effects.
The company is returning substantial cash to shareholders. It declared interest on equity of R$677.4 million (R$0.2368 per share) and dividends of R$417.3 million (R$0.1459 per share), and detailed a second 2024 payout installment totaling R$1,866.7 million to be fully paid by December 30, 2025.
Cemig is also reshaping its asset base. It concluded a corporate reorganization of 11 distributed-generation solar plants, completed the acquisition of transmission company ETTM for R$30.0 million, and exercised preemptive rights to acquire 51% of Hidrelétrica Pipoca for R$36.33 million, moving to full ownership of that 20 MW hydro asset subject to regulatory approvals. In 2025 it invested R$6.63 billion, mainly in distribution networks, smart meters and pipelines, while consolidated net debt increased 69.9% to R$16.8 billion and average debt maturity extended to 6.9 years.
The filing highlights resilient regulated operations: 4Q25 net revenue grew 2.9% to R$11.5 billion, Cemig D’s adjusted EBITDA edged up 1.7%, electricity losses and outage indicators remained within regulatory limits, and the 2025 tariff adjustment lifted average consumer tariffs by 7.78%. Gasmig’s 4Q25 net profit rose 24.1% despite lower gas volumes, aided by higher interest-on-equity distribution. Cemig also underscores multiple ESG recognitions, including CDP’s “A List”, inclusion in the S&P Global Sustainability Yearbook 2026, selection as one of Corporate Knights’ 10 most sustainable corporations in Latin America, and ranking 63rd in the Clean200 2026.