HALLADOR ENERGY CO — 3 Filings
21 3 filings on record
This page lists all 3 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 21 3 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 |
|---|---|---|---|---|
| 3 | — | 0002123678-26-000002 | Mar 25, 2026 | Mar 6, 2026 |
| 3 | — | 0002106207-26-000002 | Jan 20, 2026 | Jan 1, 2026 |
| 3 | — | 0002102403-25-000003 | Dec 22, 2025 | Dec 1, 2025 |
| 3 | — | 0001415889-25-019698 | Jul 14, 2025 | Jun 23, 2025 |
| 3 | FORM 3 - ZARRELL GRAY | 0001437749-24-027789 | Aug 26, 2024 | May 30, 2024 |
| 3 | FORM3-MARJORIE HARGRAVE | 0001437749-24-012541 | Apr 19, 2024 | Apr 10, 2024 |
| 3 | HAL - FORM3-2023 | 0001437749-23-007689 | Mar 23, 2023 | Mar 15, 2023 |
| 3 | PRIMARY DOCUMENT | 0001771506-19-000001 | Mar 22, 2019 | Mar 13, 2019 |
| 3 | PRIMARY DOCUMENT | 0001750200-18-000005 | Aug 17, 2018 | Aug 4, 2018 |
| 3 | PRIMARY DOCUMENT | 0000788965-18-000028 | Aug 14, 2018 | Aug 4, 2018 |
| 3 | MAIN DOCUMENT DESCRIPTION | 0001209191-09-045805 | Sep 25, 2009 | Sep 15, 2009 |
| 3 | PRIMARY DOCUMENT | 0001042167-09-000164 | Sep 24, 2009 | Sep 15, 2009 |
| 3 | PRIMARY DOCUMENT | 0000788965-09-000018 | Sep 18, 2009 | Sep 14, 2009 |
| 3 | PRIMARY DOCUMENT | 0000788965-09-000017 | Sep 18, 2009 | Sep 17, 2009 |
| 3 | PRIMARY DOCUMENT | 0001042167-08-000138 | Aug 5, 2008 | Jul 24, 2008 |
| 3 | PRIMARY DOCUMENT | 0001425718-08-000001 | Jan 31, 2008 | Jan 29, 2008 |
| 3 | PRIMARY DOCUMENT | 0001287271-08-000003 | Jan 29, 2008 | Aug 9, 2007 |
| 3 | MAIN DOCUMENT DESCRIPTION | 0001209191-08-002835 | Jan 9, 2008 | Oct 5, 2007 |
| 3 | — | 0001001277-06-000305 | Jul 26, 2006 | Mar 24, 2006 |
| 3 | MAIN DOCUMENT DESCRIPTION | 0001209191-05-064935 | Dec 21, 2005 | Dec 20, 2005 |
| 3 | MAIN DOCUMENT DESCRIPTION | 0001209191-05-064934 | Dec 21, 2005 | Dec 20, 2005 |