FIRSTENERGY CORP reports

Company location: Akron, OH
Fiscal year end: 31 December

FIRSTENERGY CORP has filed 3,930 SEC EDGAR filings since 24 Jan 1997

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SEC filing history

Showing 1-25 of 1,000 matching filings.

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1

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

11-K File 333-21011

11-K

Filing date: 26 Jun 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

EFFECT File 333-296357

EFFECT filing

Filing date: 15 Jun 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3/A File 333-296357

S-3/A

Filing date: 08 Jun 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Jun 2026
Reporting date: 01 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 333-21011

8-K

Filing date: 01 Jun 2026
Reporting date: 01 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

S-3 File 333-296357

S-3

Filing date: 29 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 333-21011

8-K

Filing date: 20 May 2026
Reporting date: 20 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G File 005-53029

SCHEDULE 13G filing

Filing date: 29 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 333-21011

10-Q

Filing date: 28 Apr 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 333-21011

8-K

Filing date: 28 Apr 2026
Reporting date: 28 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

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