{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-22-023470","form_type":"8-K","ticker":"HNRG","cik":"0000788965","company_name":"HALLADOR ENERGY CO","filed_at":"2022-10-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:53.570394+00:00","generated_at":"2026-06-23T06:11:20.423928+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Hallador Energy dismisses Plante & Moran, appoints Grant Thornton as auditor","bullets":["Dismissed Plante & Moran as independent auditor, effective Sept 27, 2022; prior reports were unmodified.","Appointed Grant Thornton as new auditor, effective for quarter ending Sept 30, 2022, approved by audit committee.","No disagreements or reportable events occurred with Plante & Moran during fiscal 2020-2021 and through dismissal.","No pre-appointment consultations with Grant Thornton on accounting principles or audit opinion."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-22-023470","json":"https://secwatch.observer/filing/0001437749-22-023470.json","markdown":"https://secwatch.observer/filing/0001437749-22-023470.md","text":"https://secwatch.observer/filing/0001437749-22-023470.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/788965/000143774922023470/0001437749-22-023470-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/788965/000143774922023470/hnrg20220929_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T06:11:20.423928+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}