# EDGAR Filing Document

**Accession Number:** 0001031296
**File Stem:** 0001193125-26-138108
**Filing Date:** 2026-4
**Character Count:** 1117
**Document Hash:** c6fd03586c1e5d34aeb9ac75788fe03c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-138108.hdr.sgml**: 20260401

**ACCESSION NUMBER**: 0001193125-26-138108

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260401

**DATE AS OF CHANGE**: 20260401

**EFFECTIVENESS DATE**: 20260401

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIRSTENERGY CORP
- **CENTRAL INDEX KEY:** 0001031296
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 341843785
- **STATE OF INCORPORATION:** OH
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 333-21011
- **FILM NUMBER:** 26829117

**BUSINESS ADDRESS:**
- **STREET 1:** 341 WHITE POND DRIVE
- **CITY:** AKRON
- **STATE:** OH
- **ZIP:** 44320
- **BUSINESS PHONE:** 330-761-7837

**MAIL ADDRESS:**
- **STREET 1:** 341 WHITE POND DRIVE
- **CITY:** AKRON
- **STATE:** OH
- **ZIP:** 44320

### Attached PDF Documents

**Attachment 1:** `2026_annual_report.pdf`

_No text found in this document._