NFG - CIK 0000070145
NATIONAL FUEL GAS CO has filed 3,298 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (1,606 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2026-05-26 | 2026-05-26 |
| SCHEDULE 13G | - | 2026-04-30 | - |
| Quarterly report | 10-Q | 2026-04-30 | 2026-03-31 |
| Major company event | 8-K | 2026-04-30 | 2026-04-29 |
| SCHEDULE 13G | - | 2026-04-29 | - |
| Major company event | 8-K | 2026-04-29 | 2026-04-29 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Insider trade | 4 | 2026-04-02 | 2026-04-01 |
| Major company event | 8-K | 2026-03-27 | 2026-03-27 |
| SCHEDULE 13G/A | - | 2026-03-27 | - |
| Major company event | 8-K | 2026-03-13 | 2026-03-12 |
| Quarterly report | 10-Q | 2026-01-29 | 2025-12-31 |
| Major company event | 8-K | 2026-01-29 | 2026-01-28 |
| Major company event | 8-K | 2026-01-28 | 2026-01-28 |
| Proxy materials | DEFA14A | 2026-01-23 | - |
| Proxy statement | DEF 14A | 2026-01-23 | 2026-03-12 |
| Annual report to shareholders | ARS | 2026-01-23 | 2025-09-30 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Major company event | 8-K | 2025-12-29 | 2025-12-29 |
| 424B7 | - | 2025-12-29 | - |
| D | - | 2025-12-23 | - |
| D | - | 2025-12-23 | - |
| Major company event | 8-K | 2025-12-15 | 2025-12-12 |
| Major company event | 8-K | 2025-12-10 | 2025-12-04 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-09 | 2025-12-05 |
| Insider trade | 4 | 2025-12-08 | 2025-12-04 |