{"url_path":"/sec/hnrg/8-k/2026-06-05/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.**","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-05","source_url":"https://www.sec.gov/Archives/edgar/data/788965/0000788965-26-000002-index.html","accession_number":"0000788965-26-000002","cik":"0000788965","ticker":"HNRG","issuer_name":"HALLADOR ENERGY CO","edgar_url":"https://www.sec.gov/Archives/edgar/data/788965/0000788965-26-000002-index.html","primary_entity_key":"0000788965","primary_entity_name":"HALLADOR ENERGY CO"},"word_count":106,"has_tables":true,"body_markdown":"**Item 9.01 Financial Statements and Exhibits.**\n\n​\n\n(d) Exhibits.\n\n​\n\n**Exhibit No.**\n\n​\n\n**Description**\n\n99.1\n\n[Press Release of Hallador Energy Company dated June 5, 2026](hnrg-20260604xex99d1.htm)\n\n104\n\nCover Page Interactive Data File (embedded within the Inline XBRL document).\n\n​\n\n​\n\n \n\n​\n\n2\n\n​\n\n​\n\n​\n\n​\n\n​\n\n**SIGNATURES**\n\n \n\nPursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\n \n\n \n\n \n\n**Hallador Energy Company**\n\n \n\n \n\n​\n\n​\n\n​\n\n​\n\n​\n\n​\n\nJune 5, 2026\n\nBy:\n\n/s/ERIC VAN DEMAN\n\n \n\n \n\nEric Van Deman\n\nChief Accounting Officer\n\n​\n\n​\n\n​\n\n​\n\n​\n\n​\n\n3"}