CIG SEC Filings: 8-K, 10-Q, S-3 & 424B

Financials

TYPE

HEADLINE

FILED AT

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 17, 2026

NT 20-F

Form NT 20-F - Notification of inability to timely file Form 20-F

May 1, 2025

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 30, 2025

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Apr 30, 2024

20-F/A

Form 20-F/A - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]: [Amend]

Jul 27, 2023

20-F

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

May 16, 2023

News

TYPE

HEADLINE

FILED AT

6-K

Energy Company of Minas Gerais (Cemig) Reports Executive Elections, Interest on Equity Declaration, and Board Nominations

Nov 4, 2026

6-K

Cemig Reports 2Q2026 Financial Results, Executive Board Changes, and Shareholder Payouts

Sep 9, 2026

6-K

CEMIG Announces New CEO and Reports 1Q26 Financial Results

Jun 9, 2026

6-K

CEMIG Announces Annual Shareholders’ Meeting and Corporate Updates

Apr 24, 2026

6-K

CEMIG Announces Corporate Updates, Asset Acquisitions, and Shareholder Distributions

Mar 26, 2026

6-K

CEMIG Reports on Collective Bargaining Agreements and Financial Performance for 3Q2025

Jan 20, 2026

Prospectus

TYPE

HEADLINE

FILED AT

Registrations

TYPE

HEADLINE

FILED AT

F-6 POS

Form F-6 POS - Post-effective amendments for immediately effective filing

Mar 14, 2022

F-6

Form F-6 - Registration of American Depository Receipt shares, not immediately effective

Mar 14, 2022

F-6EF

Form F-6EF - Registration of American Depository Receipt shares, immediately effective

Apr 11, 2011

F-6EF

Form F-6EF - Registration of American Depository Receipt shares, immediately effective

Jun 11, 2007

8-A12B

Form 8-A12B - Registration of securities [Section 12(b)]

Jun 5, 2007

F-6

Form F-6 - Registration of American Depository Receipt shares, not immediately effective

May 7, 2007

Proxies

TYPE

HEADLINE

FILED AT

Ownerships

TYPE

HEADLINE

FILED AT

Vasconcelos Marco Aurelio Martins da Costa (Reporting)

Oct 16, 2026

Ferreira Demetrio Alexandre (Reporting)

Jul 16, 2026

de Magalhaes Leonardo George (Reporting)

Jul 16, 2026

Braga Ernando Antunes (Reporting)

Jul 15, 2026

Peixoto Alexandre Ramos (Reporting)

Jun 3, 2026

Lima Valeria Pires Amoroso (Reporting)

May 20, 2026

Other

TYPE

HEADLINE

FILED AT

LETTER

Form UPLOAD - SEC-generated letter

Aug 23, 2023

CORRESP

Form CORRESP - Correspondence

Jul 27, 2023

LETTER

Form UPLOAD - SEC-generated letter

Jul 14, 2023

EFFECT

Form EFFECT - Notice of Effectiveness

Apr 18, 2022

LETTER

Form UPLOAD - SEC-generated letter

Feb 8, 2019

LETTER

Form UPLOAD - SEC-generated letter

Feb 8, 2019

Companhia Energética de Minas Gerais CIG · SEC Filings