# EDGAR Filing Document

**Accession Number:** 0000788965
**File Stem:** 0000000000-25-009680
**Filing Date:** 2025-9
**Character Count:** 2264
**Document Hash:** 3d833f2b43c1a5bab6b8955fe1847fe6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-25-009680.hdr.sgml**: 20251205

**ACCESSION NUMBER**: 0000000000-25-009680

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250908

**FILED FOR**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HALLADOR ENERGY CO
- **CENTRAL INDEX KEY:** 0000788965
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 841014610
- **STATE OF INCORPORATION:** CO
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** UPLOAD
- **SEC FILE NUMBER:** 001-34743

**BUSINESS ADDRESS:**
- **STREET 1:** 1183 EAST CANVASBACK DRIVE
- **CITY:** TERRE HAUTE
- **STATE:** IN
- **ZIP:** 47802
- **BUSINESS PHONE:** 303-839-5504

**MAIL ADDRESS:**
- **STREET 1:** 1183 EAST CANVASBACK DRIVE
- **CITY:** TERRE HAUTE
- **STATE:** IN
- **ZIP:** 47802

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HALLADOR PETROLEUM CO
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** KIMBARK OIL & GAS CO /CO/
- **DATE OF NAME CHANGE:** 19900102

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** KIMBARK INC
- **DATE OF NAME CHANGE:** 19860624
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001558370-25-003141

## Text-Extract

```

                                                        September 8, 2025

Todd Telesz
Chief Financial Officer
Hallador Energy Co
1183 East Canvasback Drive
Terre Haute, Indiana
47802

       Re: Hallador Energy Co
           Form 10-K for the Fiscal Year ended December 31, 2024
           Filed March 17, 2025
           File No. 001-34743
Dear Todd Telesz:

       We have completed our review of your filing. We remind you that the
company and
its management are responsible for the accuracy and adequacy of their
disclosures,
notwithstanding any review, comments, action or absence of action by the staff.

                                                        Sincerely,

                                                        Division of Corporation
Finance
                                                        Office of Energy &
Transportation
cc:   Sean Ewen

```

### Attached PDF Documents

**Attachment 1:** `filename1`

_No text found in this document._