secwatch.observer — SEC 8-K summary
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Issuer:     HALLADOR ENERGY CO (HNRG)
CIK:        0000788965
Form:       8-K
Filed at:   2026-03-27T23:59:59+00:00
Accession:  0001104659-26-036234
Event type: regulatory
Sentiment:  negative
Materiality: 0.50
Item codes: 1.04, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Hallador subsidiary receives MSHA imminent danger order at Oaktown Mine No. 1; company contests
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- On March 25, 2026, Sunrise Coal received a Section 107(a) imminent danger order at Oaktown Fuels Mine No. 1 (MSHA ID 12-02394).
- MSHA alleged an electrician worked on equipment that was not de-energized; order required work to cease until equipment was de-energized.
- Hallador de-energized the equipment immediately; no injuries occurred and production was not interrupted.
- The company disagrees with the imminent danger classification and intends to contest the order.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/788965/000110465926036234/0001104659-26-036234-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/788965/000110465926036234/hnrg-20260325x8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-036234

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