Hallador Energy Co SEC filings HNRG
Hallador Energy Co has 881 filings in SEC EDGAR's recent list, going back to May 12, 1995. Its latest annual report, Form 10-K, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 8, 2026 (material agreement, new debt, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 15, 2026 | — |
| DEF 14A | Proxy statement | Apr 15, 2026 | May 27, 2026 |
| DEF 14A | Proxy statement | Apr 17, 2025 | May 29, 2025 |
| DEFA14A | Additional proxy material | Apr 19, 2024 | — |
| DEF 14A | Proxy statement | Apr 19, 2024 | May 30, 2024 |
| DEFA14A | Additional proxy material | Apr 21, 2023 | — |
| DEF 14A | Proxy statement | Apr 20, 2023 | Jun 1, 2023 |
| DEF 14A | Proxy statement | Apr 26, 2022 | Jun 9, 2022 |
| DEF 14A | Proxy statement | Apr 20, 2021 | Jun 3, 2021 |
| DEF 14A | Proxy statement | Aug 28, 2020 | Oct 9, 2020 |
| DEFA14A | Additional proxy material | Apr 15, 2019 | — |
| DEF 14A | Proxy statement | Apr 12, 2019 | May 23, 2019 |
| DEFA14A | Additional proxy material | Apr 9, 2018 | — |
| DEF 14A | Proxy statement | Apr 9, 2018 | May 23, 2018 |
| DEFA14A | Additional proxy material | Apr 13, 2017 | — |
| DEF 14A | Proxy statement | Apr 12, 2017 | May 25, 2017 |
| DEF 14C | Information statement | Mar 29, 2016 | May 9, 2016 |
| DEF 14C | Information statement | Mar 13, 2015 | Mar 13, 2015 |
| DEF 14C | Information statement | Mar 14, 2014 | Mar 14, 2014 |
| DEF 14C | Information statement | Mar 8, 2013 | Apr 18, 2013 |
| DEF 14C | Information statement | Mar 14, 2012 | Apr 19, 2012 |
| DEF 14A | Proxy statement | Apr 29, 2011 | May 25, 2011 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2011 | May 25, 2011 |
| DEF 14A | Proxy statement | Apr 22, 1996 | May 29, 1996 |
| PRE 14A | Preliminary proxy statement | Apr 1, 1996 | May 29, 1996 |
Showing 25 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electric Services (SIC 4911)
- Listed as
- HNRG (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- CO
- Headquarters
- Terre Haute, IN
- SEC filer status
- Accelerated filer
- SEC CIK
- 788965
- Former names
- HALLADOR PETROLEUM CO (until Dec 21, 2009)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.