| 2026-08-14 | 8-K | 8-K filed 2026-08-14 by HALLADOR ENERGY CO |
| 2026-08-10 | 8-K | 8-K filed 2026-08-10 by HALLADOR ENERGY CO |
| 2026-08-10 | 10-Q | 10-Q filed 2026-08-10 by HALLADOR ENERGY CO |
| 2026-06-26 | 8-K | 8-K filed 2026-06-26 by HALLADOR ENERGY CO |
| 2026-06-11 | 8-K | 8-K filed 2026-06-11 by HALLADOR ENERGY CO |
| 2026-06-05 | 8-K | 8-K filed 2026-06-05 by HALLADOR ENERGY CO |
| 2026-06-03 | 8-K | 8-K filed 2026-06-03 by HALLADOR ENERGY CO |
| 2026-06-02 | 8-K | 8-K filed 2026-06-02 by HALLADOR ENERGY CO |
| 2026-05-29 | 8-K | 8-K filed 2026-05-29 by HALLADOR ENERGY CO |
| 2026-05-06 | 8-K | 8-K filed 2026-05-06 by HALLADOR ENERGY CO |
| 2026-05-06 | 8-K | 8-K filed 2026-05-06 by HALLADOR ENERGY CO |
| 2026-05-06 | 10-Q | 10-Q filed 2026-05-06 by HALLADOR ENERGY CO |
| 2026-04-15 | 8-K | 8-K filed 2026-04-15 by HALLADOR ENERGY CO |
| 2026-04-15 | DEF 14A | DEF 14A filed 2026-04-15 by HALLADOR ENERGY CO |
| 2026-03-27 | 8-K | 8-K filed 2026-03-27 by HALLADOR ENERGY CO |
| 2026-03-12 | 8-K | 8-K filed 2026-03-12 by HALLADOR ENERGY CO |
| 2026-03-12 | 10-K | 10-K filed 2026-03-12 by HALLADOR ENERGY CO |
| 2026-03-10 | 8-K | 8-K filed 2026-03-10 by HALLADOR ENERGY CO |
| 2026-03-09 | 8-K | 8-K filed 2026-03-09 by HALLADOR ENERGY CO |
| 2026-01-15 | 8-K | 8-K filed 2026-01-15 by HALLADOR ENERGY CO |
| 2026-01-06 | 8-K | 8-K filed 2026-01-06 by HALLADOR ENERGY CO |
| 2025-12-04 | 8-K | 8-K filed 2025-12-04 by HALLADOR ENERGY CO |
| 2025-11-10 | 10-Q | 10-Q filed 2025-11-10 by HALLADOR ENERGY CO |
| 2025-11-10 | 8-K | 8-K filed 2025-11-10 by HALLADOR ENERGY CO |
| 2025-08-11 | 8-K | 8-K filed 2025-08-11 by HALLADOR ENERGY CO |
| 2025-08-11 | 10-Q | 10-Q filed 2025-08-11 by HALLADOR ENERGY CO |
| 2025-06-04 | 8-K | 8-K filed 2025-06-04 by HALLADOR ENERGY CO |
| 2025-06-02 | 8-K | 8-K filed 2025-06-02 by HALLADOR ENERGY CO |
| 2025-05-22 | 8-K | 8-K filed 2025-05-22 by HALLADOR ENERGY CO |
| 2025-05-12 | 10-Q | 10-Q filed 2025-05-12 by HALLADOR ENERGY CO |