Companhia Energética de Minas Gerais

CIGNYSEUtilities● Active

$2.07

$-0.02(-0.96%)

Market Cap$5.9B

P/E Ratio—

52W High$2.76

52W Low$1.79

Avg Volume6.8M

Open$2.09

Beta0.09

SEC Filings

Foreign Private Issuer · Files 20-F / 6-K

Companhia Energética de Minas Gerais (CIG) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001157557 · CIG · NYSE · as of Jun 8, 2026

Filing snapshot

355

Total Filings

Latest Form

2026-06-03

Most Recent

1996

Filing Since

Financials Earnings View All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0001157557 · Updated hourly · Not investment advice

Latest Annual Report

20-F · Annual Report (Foreign Issuer)FY

Filed Date

2026-04-17

Fiscal Year End

Apr 17, 2026

Accession No.

0001554855-26-000648

Primary Document

cig-20251231.htm

View on SEC EDGAR Download PDF Filing Index

Source: data.sec.gov · CIK 0001157557 · Accession 0001554855-26-000648

Latest Key Filings

6-KQuarterly Report

6-K

2026-04-24

View 6-K on SEC

8-KCurrent Report

No recent filings

Form 4Insider Activity

Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144

Filed Date

Form Type

Description

View

2026-06-03

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000023

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-06-03

View

2026-05-20

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000022

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-05-20

View

2026-05-20

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000021

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-05-20

View

2026-05-20

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000020

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-05-20

View

2026-04-24

6-K

Current Report (Foreign Issuer)

6-K

0001292814-26-002503

View

6-KCurrent Report (Foreign Issuer)

6-K

2026-04-24

View

2026-04-17

20-F

Annual Report (Foreign Issuer)

20-F

0001554855-26-000648

View

20-FAnnual Report (Foreign Issuer)

20-F

2026-04-17

View

2026-04-16

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000018

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-04-16

View

2026-03-27

6-K

Current Report (Foreign Issuer)

6-K

0001292814-26-001797

View

6-KCurrent Report (Foreign Issuer)

6-K

2026-03-27

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000017

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000016

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000015

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000014

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000013

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000012

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

2026-03-24

Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

0001157557-26-000011

View

3Initial Statement of Beneficial Ownership

PRIMARY DOCUMENT

2026-03-24

View

Showing 1–15 of 354 filingsForm 4 / 144 hidden· 355 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov) | Updated: Hourly | CIK: 0001157557 | Exchange: NYSE · Utilities

Companhia Energética de Minas Gerais (NYSE: CIG) has submitted 355 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1996. As a Utilities sector company with CIK 0001157557, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Companhia Energética de Minas Gerais's most comprehensive regulatory disclosure. The most recent Companhia Energética de Minas Gerais 10-K was filed on 2026-04-17 for fiscal year ending 2026. Historical CIG 10-K annual reports are available from 2002 through 2026.

Investors researching Companhia Energética de Minas Gerais SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

Related Companies SEC Filings — Utilities

EONGY SEC Filings →RWEOY SEC Filings →ELP SEC Filings →BKH SEC Filings →ACLLF SEC Filings →NWE SEC Filings →ALE SEC Filings →OTTR SEC Filings →

→ CIG Financials → CIG Earnings → CIG Insider Trades

Frequently Asked Questions

CIG SEC Filings · 8 questions

Companhia Energética de Minas Gerais (CIG) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 355 filings and access original documents at no cost. Companhia Energética de Minas Gerais's CIK is 0001157557.

CIG SEC filingsCompanhia Energética de Minas Gerais SEC documentsfind CIG 10-K