{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-24-009872","form_type":"8-K","ticker":"HNRG","cik":"0000788965","company_name":"HALLADOR ENERGY CO","filed_at":"2024-03-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.925469+00:00","generated_at":"2026-06-04T06:48:51.240548+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Hallador corrects coal cost per ton: $44.94 vs $33.67 previously","bullets":["Average cost per ton of coal sold for 2023 corrected to $44.94 ($52.76 after eliminating intercompany sales).","Previously reported $33.67 ($26.98) was a typographical error; no other figures affected.","Correction applies to March 14 earnings release and Annual Report on Form 10-K.","Company filed Form 8-K solely to fix this error; no change to overall financial results."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-24-009872","json":"https://secwatch.observer/filing/0001437749-24-009872.json","markdown":"https://secwatch.observer/filing/0001437749-24-009872.md","text":"https://secwatch.observer/filing/0001437749-24-009872.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/788965/000143774924009872/0001437749-24-009872-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/788965/000143774924009872/hnrg20240328_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T06:48:51.240548+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"}