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HALLADOR ENERGY CO — 8-A12B Filings

1 8-A12B filing on record

This page lists all 8-A12B 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 1 8-A12B document 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
8-A12B FORM 8A 12(B) FOR HALLADOR ENERGY COMPANY 0000788965-10-000018 May 12, 2010 —