# EDGAR Filing Document

**Accession Number:** 0001356544
**File Stem:** 0001104659-26-021770
**Filing Date:** 2026-2
**Character Count:** 20072
**Document Hash:** 5efaeee82879b9db5cc9234b12a59fbe
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-021770.hdr.sgml**: 20260227

**ACCESSION NUMBER**: 0001104659-26-021770

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260227

**DATE AS OF CHANGE**: 20260227

**SUBJECT COMPANY**: 

**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:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-37955
- **FILM NUMBER:** 26702952

**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
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Hallador Alternative Assets Fund, LLC
- **CENTRAL INDEX KEY:** 0001356544

**ORGANIZATION NAME:**
- **EIN:** 201064809

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 555 DALE DRIVE
- **CITY:** INCLINE VILLAGE
- **STATE:** NV
- **ZIP:** 89451
- **BUSINESS PHONE:** (775) 831-2272

**MAIL ADDRESS:**
- **STREET 1:** 555 DALE DRIVE
- **CITY:** INCLINE VILLAGE
- **STATE:** NV
- **ZIP:** 89451

## Ex-99

<u>Exhibit A</u>

JOINT ACQUISITION STATEMENT

PURSUANT TO RULE 13d-1(k)(1)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

---

| | |
|:---|:---|
| Dated: February 27, 2026 | Hallador Alternative Assets Fund LLC |
|  | /s/ David C. Hardie |
|  | By: David C. Hardie |
|  | Its: Managing Member |
| Dated: February 27, 2026 | Hallador Investment Advisors, Inc. |
|  | /s/ Kevin Leary |
|  | By: Kevin Leary |
|  | Its: Chief Executive Officer |
| Dated: February 27, 2026 | Hallador Management LLC |
|  | /s/ David C. Hardie |
|  | By: David C. Hardie |
|  | Its: Managing Member |
| Dated: February 27, 2026 | David C. Hardie |
|  | /s/ David C. Hardie |
|  | By: David C. Hardie |
| Dated: February 27, 2026 | Kevin Leary |
|  | /s/ Kevin Leary |
|  | By: Kevin Leary |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 13)**

**HALLADOR ENERGY COMPANY**

*(Name of Issuer)*

**Common Stock, par value $0.01**

*(Title of Class of Securities)*

**40609P105**

*(CUSIP Number)*

**David C. Hardie**<br>5485 Kietzke Lane<br>Reno NV 89511<br>(775) 548-1730

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**01/01/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **40609P105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Hallador Alternative Assets Fund LLC** | Name of reporting person<br>**Hallador Alternative Assets Fund LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1584929.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**1584929.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1584929.00** | Aggregate amount beneficially owned by each reporting person<br>**1584929.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**3.62%** | Percent of class represented by amount in Row (11)<br>**3.62%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** (1) For Item 13: This percentage is calculated based upon 43,825,006 shares of common stock, par value $0.01 per share ("Common Stock"), outstanding of Hallador Energy Company (the "Issuer") as set forth in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025.

| **CUSIP No.** | **40609P105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Hallador Investment Advisors, Inc.** | Name of reporting person<br>**Hallador Investment Advisors, Inc.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1584929.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1584929.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1584929.00** | Aggregate amount beneficially owned by each reporting person<br>**1584929.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**3.62%** | Percent of class represented by amount in Row (11)<br>**3.62%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** (1) For Item 13: This percentage is calculated based upon 43,825,006 shares of common stock, par value $0.01 per share ("Common Stock"), outstanding of Hallador Energy Company (the "Issuer") as set forth in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025.

| **CUSIP No.** | **40609P105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Hallador Management LLC** | Name of reporting person<br>**Hallador Management LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1584929.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1584929.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1584929.00** | Aggregate amount beneficially owned by each reporting person<br>**1584929.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**3.62%** | Percent of class represented by amount in Row (11)<br>**3.62%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** (1) For Item 13: This percentage is calculated based upon 43,825,006 shares of common stock, par value $0.01 per share ("Common Stock"), outstanding of Hallador Energy Company (the "Issuer") as set forth in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025.

| **CUSIP No.** | **40609P105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**David C. Hardie** | Name of reporting person<br>**David C. Hardie** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**23016.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1584929.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**23016.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1584929.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1607945.00** | Aggregate amount beneficially owned by each reporting person<br>**1607945.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**3.67%** | Percent of class represented by amount in Row (11)<br>**3.67%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1) For Item 13: This percentage is calculated based upon 43,825,006 shares of common stock, par value $0.01 per share ("Common Stock"), outstanding of Hallador Energy Company (the "Issuer") as set forth in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025.

| **CUSIP No.** | **40609P105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Kevin Leary** | Name of reporting person<br>**Kevin Leary** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**6390.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**1584929.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**6390.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**1584929.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1591319.00** | Aggregate amount beneficially owned by each reporting person<br>**1591319.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**3.63%** | Percent of class represented by amount in Row (11)<br>**3.63%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1) For Item 13: This percentage is calculated based upon 43,825,006 shares of common stock, par value $0.01 per share ("Common Stock"), outstanding of Hallador Energy Company (the "Issuer") as set forth in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.01

**(b) Name of Issuer:**
HALLADOR ENERGY COMPANY

**(c) Address of Issuer's Principal Executive Offices:**
5485 Kietzke Lane, Reno, NV, 89511

This Amendment No. 13 to Schedule 13D is a voluntary filing and amends and supplements Amendment No. 12 to Schedule 13D filed on July 23, 2024.  This statement relates to shares of Common Stock, $0.01 par value (the "Shares") of Hallador Energy Company, a Colorado corporation (the "Issuer").  The address of the Issuer's principal executive office is 1183 East Canvasback Drive, Terre Haute, Indiana 47802.

This Amendment No. 13 amends the Schedule 13D as specifically set forth herein. Capitalized terms not defined herein this Amendment No. 13 have the meanings ascribed to them in the Schedule 13D.

**Item 5. Interest in Securities of the Issuer**

**(a)**
(i) HAAF beneficially owns 1,584,929 Shares, or 3.62% of the Shares.
(ii) The amount of Shares considered to be beneficially owned by HIA by reason of its voting and dispositive powers with respect to HAAF's investments is 1,584,929 Shares, or 3.62% of the Shares.
(iii) The amount of Shares considered to be beneficially owned by Hallador Management by reason of its voting and dispositive powers with respect to HAAF's investments is 1,584,929 Shares, or 3.62% of the Shares.
(iv) Mr. David Hardie beneficially owns 23,016 Shares through the David Hardie Separate Property Trust, and, as Chairman of HIA, and Managing Director of Hallador Management, may be deemed to beneficially own an additional 1,584,929 Shares, or a total of 3.67% of the Shares.
(v) Kevin Leary owns 6,390 Shares of HAAF, and, as Chief Executive Officer of HIA and Managing Director of Hallador Management, may be deemed to beneficially own an additional 1,584,929 Shares, for a total of 3.63% of the Shares.

**(b)**
The following table sets forth the number of Shares as to which the Reporting Persons have (i) the sole power to vote or direct the voting of the Shares, (ii) the sole power to dispose or to direct the disposition of the Shares or (iii) shared power to vote or direct the vote or dispose or direct disposition of the Shares:

Reporting Person    Sole Voting Power    Sole Power of Disposition    Shared Voting and
                                                                                                               Power of Disposition

Hallador Alternative           1,584,929                        1,584,929                              0
Assets Fund LLC

Hallador Investment                  0                                      0                               1,584,929
Advisors, Inc.

Hallador Management LLC       0                                      0                               1,584,929

David C. Hardie                    23,016                             23,016                           1,584,929

Kevin Leary                            6,390                               6,390                           1,584,929

**(c)**
Not applicable.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Hallador Alternative Assets Fund LLC

**Signature:** /s/ David C. Hardie

**Name/Title:** David C. Hardie/Managing Member

**Date:** 02/27/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Hallador Investment Advisors, Inc.

**Signature:** /s/ Kevin Leary

**Name/Title:** Kevin Leary/Chief Executive Officer

**Date:** 02/27/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Hallador Management LLC

**Signature:** /s/ David C. Hardie

**Name/Title:** David C. Hardie/Managing Member

**Date:** 02/27/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** David C. Hardie

**Signature:** /s/ David C. Hardie

**Name/Title:** David C. Hardie

**Date:** 02/27/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Kevin Leary

**Signature:** /s/ Kevin Leary

**Name/Title:** Kevin Leary

**Date:** 02/27/2026