HALLADOR ENERGY CO — CORRESP Filings
22 CORRESP filings on record
This page lists all CORRESP 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 22 CORRESP 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 |
|---|---|---|---|---|
| CORRESP | — | 0001558370-25-011811 | Aug 28, 2025 | — |
| CORRESP | — | 0001558370-25-011215 | Aug 12, 2025 | — |
| CORRESP | — | 0001437749-24-019480 | Jun 6, 2024 | — |
| CORRESP | — | 0001437749-24-017123 | May 15, 2024 | — |
| CORRESP | — | 0001104659-23-121356 | Nov 27, 2023 | — |
| CORRESP | — | 0001104659-23-121355 | Nov 27, 2023 | — |
| CORRESP | — | 0001104659-23-109437 | Oct 16, 2023 | — |
| CORRESP | — | 0001104659-23-102009 | Sep 19, 2023 | — |
| CORRESP | — | 0001104659-23-098671 | Sep 6, 2023 | — |
| CORRESP | — | 0001437749-22-002727 | Feb 8, 2022 | — |
| CORRESP | — | 0000788965-19-000005 | Jan 18, 2019 | — |
| CORRESP | — | 0000788965-19-000002 | Jan 4, 2019 | — |
| CORRESP | — | 0000788965-16-000027 | Jan 15, 2016 | — |
| CORRESP | — | 0000788965-15-000019 | Dec 7, 2015 | — |
| CORRESP | — | 0000788965-13-000022 | Jun 5, 2013 | — |
| CORRESP | — | 0000788965-13-000018 | May 21, 2013 | — |
| CORRESP | — | 0000788965-13-000012 | May 3, 2013 | — |
| CORRESP | — | 0000788965-09-000037 | Dec 15, 2009 | — |
| CORRESP | — | 0000788965-07-000016 | May 3, 2007 | — |
| CORRESP | — | 0000788965-07-000007 | Mar 9, 2007 | — |
| CORRESP | — | 0000788965-07-000005 | Jan 26, 2007 | — |
| CORRESP | — | 0000788965-07-000004 | Jan 26, 2007 | — |