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HALLADOR ENERGY CO — 144 Filings

8 144 filings on record

This page lists all 144 filings submitted to the SEC by HALLADOR ENERGY CO (HNRG), sorted by most recent first. Each row links to the full filing on EdgarLookup. HALLADOR ENERGY CO has filed 8 144 documents with the SEC since 1995. To view all SEC filings by HALLADOR ENERGY CO, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 10KSB 10KSB/A 10KSB40 10QSB 10QSB/A 144 3 3/A 4 4/A 424B5 5 8-A12B 8-K 8-K/A CERTNAS CORRESP D DEF 14A DEF 14C DEFA14A EFFECT NT 10-K NT 10-Q PRE 14A S-3 S-3/A S-3ASR S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
144 0001104659-25-111051 Nov 13, 2025
144 0001104659-25-110704 Nov 12, 2025
144 0001104659-25-079757 Aug 18, 2025
144 0001104659-25-077712 Aug 13, 2025
144 0001104659-25-049986 May 16, 2025
144 0001104659-25-047439 May 12, 2025
144 0001104659-24-120088 Nov 18, 2024
144 0001104659-23-062193 May 18, 2023