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: 35
Latest filed: Jun 03, 2026
| Form | Count |
|---|---|
| 4 | 18 |
| 8-K | 13 |
| SCHEDULE 13G/A | 2 |
| SCHEDULE 13D/A | 1 |
| SCHEDULE 13G | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Jun 03, 2026 | 8-K | May 28, 2026 | 0001104659-26-070122 | View |
| Jun 02, 2026 | 8-K | May 30, 2026 | 0001104659-26-069138 | View |
| Jun 01, 2026 | 4 | May 28, 2026 | 0001032385-26-000003 | View |
| Jun 01, 2026 | 4 | May 28, 2026 | 0001750200-26-000007 | View |
| Jun 01, 2026 | 4 | May 28, 2026 | 0002030612-26-000006 | View |
| Jun 01, 2026 | 4 | May 28, 2026 | 0002123678-26-000004 | View |
| Jun 01, 2026 | 4 | May 28, 2026 | 0002106207-26-000004 | View |
| May 29, 2026 | 8-K | May 27, 2026 | 0001104659-26-068374 | View |
| May 06, 2026 | 8-K | May 01, 2026 | 0001104659-26-056354 | View |
| May 06, 2026 | 8-K | May 06, 2026 | 0001104659-26-056345 | View |
| Apr 27, 2026 | SCHEDULE 13G/A | — | 0002012383-26-001691 | View |
| Apr 16, 2026 | 4 | Apr 15, 2026 | 0001424577-26-000005 | View |
| Apr 16, 2026 | 4 | Apr 15, 2026 | 0002076979-26-000002 | View |
| Apr 16, 2026 | 4 | Apr 15, 2026 | 0001970432-26-000004 | View |
| Apr 15, 2026 | 8-K | Apr 09, 2026 | 0001104659-26-043845 | View |
| 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 |