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4

OWNERSHIP DOCUMENT

Company: HALLADOR ENERGY CO
Filed: May 21, 2025
Period of Report: May 19, 2025
Accession Number: 0001104659-25-051563

View Document ↗ View on SEC.gov ↗

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© 2026 EdgarLookup. All rights reserved. Filing data sourced from the SEC EDGAR database. For informational purposes only — not financial advice. · Data last updated 3 weeks ago.