HALLADOR ENERGY CO — SC 13G/A Filings
8 SC 13G/A filings on record
This page lists all SC 13G/A 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 SC 13G/A documents with the SEC since 1995. To view all SEC filings by HALLADOR ENERGY CO, see the full filings list.
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 |
|---|---|---|---|---|
| SC 13G/A | SC 13G/A | 0001104659-24-116163 | Nov 12, 2024 | — |
| SC 13G/A | — | 0001086364-24-007217 | Mar 7, 2024 | — |
| SC 13G/A | SC 13G | 0001104659-24-011889 | Feb 8, 2024 | — |
| SC 13G/A | — | 0001493152-21-002596 | Feb 4, 2021 | — |
| SC 13G/A | — | 0001493152-20-000732 | Jan 17, 2020 | — |
| SC 13G/A | HALLADOR/LUBAR DEC 31, 2007 FORM 13-G/A | 0001042167-08-000005 | Jan 17, 2008 | — |
| SC 13G/A | LUBAR DECEMBER 2006 SCHEDULE 13G-A | 0001042167-07-000041 | Jan 19, 2007 | — |
| SC 13G/A | LUBAR JANUARY 2006 SCHEDULE 13G/A | 0001042167-06-000018 | Jan 17, 2006 | — |