FIRSTENERGY CORP — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
10-D
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
11-K/A
144
3
3/A
35-CERT
4
4/A
424B2
424B3
424B4
424B5
424B7
425
5
8-K
8-K/A
ARS
CORRESP
D
DEF 14A
DEFA14A
EFFECT
FWP
NO ACT
NT 10-Q
POS AM
POS AMC
PRE 14A
PX14A6N
RW
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
SE
U-1
U-1/A
U-13-60
U-3A-2
U-3A-2/A
U-6B-2
U-9C-3
U5A
U5B
U5B/A
U5S
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001360 | Mar 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000064 | Mar 13, 2026 | Mar 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000062 | Mar 12, 2026 | Mar 10, 2026 |
| 144 | — | 0001959173-26-002211 | Mar 11, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000060 | Mar 10, 2026 | Mar 6, 2026 |
| 144 | — | 0001959173-26-002035 | Mar 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000058 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000057 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000056 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000055 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000054 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000053 | Mar 3, 2026 | Mar 1, 2026 |
| 10-K | 10-K | 0001031296-26-000046 | Feb 18, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001031296-26-000041 | Feb 17, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000036 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000035 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000034 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000033 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000032 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000031 | Feb 13, 2026 | Feb 11, 2026 |
| 8-K | 8-K | 0001031296-26-000020 | Feb 12, 2026 | Feb 8, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000017 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000016 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000015 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000013 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000012 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000011 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000010 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-26-000009 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000099 | Dec 22, 2025 | Dec 18, 2025 |
| 8-K | 8-K | 0001031296-25-000096 | Dec 9, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000091 | Dec 2, 2025 | Nov 30, 2025 |
| 8-K | 8-K | 0001031296-25-000089 | Nov 20, 2025 | — |
| 10-Q | 10-Q | 0001031296-25-000085 | Oct 28, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001031296-25-000080 | Oct 22, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000074 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000073 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000072 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000071 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000070 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000069 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000068 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001031296-25-000067 | Oct 3, 2025 | Oct 1, 2025 |
| 8-K | 8-K | 0001031296-25-000056 | Sep 29, 2025 | Sep 23, 2025 |
| SCHEDULE 13D/A | — | 0001193125-25-186554 | Aug 22, 2025 | — |
| SCHEDULE 13G/A | — | 0001422849-25-000054 | Aug 13, 2025 | — |
| 10-Q | 10-Q | 0001031296-25-000042 | Jul 30, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0001031296-25-000039 | Jul 30, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-018915 | Jul 3, 2025 | Jul 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-018914 | Jul 3, 2025 | Jul 1, 2025 |