HALLADOR ENERGY CO - HNRG
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 27
Latest filed: Apr 02, 2026
| Form | Count |
|---|---|
| 4 | 11 |
| 8-K | 8 |
| SCHEDULE 13G/A | 3 |
| SCHEDULE 13G | 2 |
| 144 | 2 |
| SCHEDULE 13D/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0001424577-26-000002 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0001970432-26-000002 | View |
| Mar 27, 2026 | 8-K | Mar 25, 2026 | 0001104659-26-036234 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000417 | View |
| Mar 12, 2026 | 8-K | Mar 12, 2026 | 0001104659-26-027176 | View |
| Mar 11, 2026 | 4 | Mar 10, 2026 | 0002102403-26-000003 | View |
| Mar 10, 2026 | 8-K | Mar 05, 2026 | 0001104659-26-025949 | View |
| Mar 09, 2026 | 8-K | Mar 06, 2026 | 0001104659-26-025346 | View |
| Feb 27, 2026 | SCHEDULE 13D/A | — | 0001104659-26-021770 | View |
| Jan 21, 2026 | SCHEDULE 13G | — | 0002012383-26-000672 | View |
| Jan 16, 2026 | 4 | Jan 14, 2026 | 0001750200-26-000004 | View |
| Jan 16, 2026 | 4 | Jan 14, 2026 | 0002030612-26-000004 | View |
| Jan 15, 2026 | 8-K | Jan 13, 2026 | 0001104659-26-004150 | View |
| Jan 06, 2026 | 8-K | Dec 30, 2025 | 0001104659-26-001098 | View |
| Jan 02, 2026 | 4 | Dec 30, 2025 | 0001750200-26-000002 | View |
| Jan 02, 2026 | 4 | Dec 31, 2025 | 0001104659-26-000280 | View |
| Dec 31, 2025 | 4 | Dec 30, 2025 | 0002030612-25-000003 | View |
| Dec 31, 2025 | 4 | Dec 30, 2025 | 0001032385-25-000005 | View |
| Dec 19, 2025 | 4 | Dec 17, 2025 | 0001750200-25-000005 | View |
| Dec 04, 2025 | 8-K | Dec 01, 2025 | 0001104659-25-118446 | View |
| Nov 21, 2025 | 4 | Nov 21, 2025 | 0001750200-25-000003 | View |
| Nov 13, 2025 | 144 | — | 0001104659-25-111051 | View |
| Nov 12, 2025 | SCHEDULE 13G/A | — | 0001104659-25-109754 | View |
| Nov 12, 2025 | 144 | — | 0001104659-25-110704 | View |
| Nov 10, 2025 | 8-K | Nov 10, 2025 | 0001104659-25-109272 | View |
| Nov 06, 2025 | SCHEDULE 13G | — | 0001193125-25-270298 | View |
| Oct 17, 2025 | SCHEDULE 13G/A | — | 0002012383-25-002585 | View |