NATIONAL FUEL GAS CO — All Filings
1,000 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.
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10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
11-K/A
144
15-12B
25-NSE
3
3/A
35-CERT
35-CERT/A
4
4/A
424B2
424B3
424B5
424B7
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
AW
CORRESP
D
DEF 14A
DEFA14A
DEFC14A
DEFR14A
DEFS14A
DFAN14A
EFFECT
FWP
NO ACT
POS AMC
PRE 14A
PREC14A
PRER14A
PRES14A
RW
S-3
S-3/A
S-3ASR
S-3D
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14N
SCHEDULE 13G/A
SD
SE
U-1
U-1/A
U-12-IB
U-57
U-6B-2
U-6B-2/A
U-9C-3
U-9C-3/A
U5S
U5S/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | 8-K | 0001193125-26-129271 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-001865 | Mar 27, 2026 | — |
| 8-K | 8-K | 0001193125-26-106081 | Mar 13, 2026 | Mar 12, 2026 |
| 10-Q | 10-Q | 0000070145-26-000009 | Jan 29, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0000070145-26-000006 | Jan 29, 2026 | Jan 28, 2026 |
| 8-K | 8-K | 0001193125-26-027371 | Jan 28, 2026 | — |
| DEFA14A | DEFA14A | 0001193125-26-020742 | Jan 23, 2026 | — |
| DEF 14A | DEF 14A | 0001193125-26-020739 | Jan 23, 2026 | Mar 12, 2026 |
| ARS | ARS | 0001193125-26-020738 | Jan 23, 2026 | Sep 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001238180-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001209940-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214452-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001030287-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001587811-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001270691-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001746639-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001455987-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001198299-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001241405-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 8-K | 8-K | 0001193125-25-335374 | Dec 29, 2025 | — |
| 424B7 | 424B7 | 0001193125-25-335309 | Dec 29, 2025 | — |
| D | — | 0001193125-25-331101 | Dec 23, 2025 | — |
| D | — | 0001193125-25-331078 | Dec 23, 2025 | — |
| 8-K | 8-K | 0001193125-25-318423 | Dec 15, 2025 | Dec 12, 2025 |
| 8-K | 8-K | 0001193125-25-314162 | Dec 10, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0001972630-25-000008 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001781310-25-000008 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001858812-25-000008 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001781298-25-000008 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0002060195-25-000007 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0002055888-25-000007 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0002074423-25-000006 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001495829-25-000009 | Dec 9, 2025 | Dec 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001972630-25-000006 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0001781310-25-000006 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0001858812-25-000006 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0001781298-25-000006 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0002060195-25-000005 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0002055888-25-000005 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0002074423-25-000004 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0001495829-25-000007 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0001972630-25-000004 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001781310-25-000004 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001858812-25-000004 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001781298-25-000004 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0002060195-25-000003 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0002055888-25-000003 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0002074423-25-000002 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001495829-25-000005 | Dec 3, 2025 | Dec 1, 2025 |
| 10-K | 10-K | 0000070145-25-000039 | Nov 21, 2025 | Sep 30, 2025 |