HNRG

SEC source: 0002106207-26-000006 · form4-07152026_080745.xml · nonDerivative · entry 2

Sugg Barbara Ann · CIK 0002106207 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

SEC source: 0002106207-26-000006 · form4-07152026_080745.xml · nonDerivative · entry 1

Sugg Barbara Ann · CIK 0002106207 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,700

SEC source: 0002123678-26-000011 · form4-07102026_080719.xml · nonDerivative · entry 2

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

SEC source: 0002123678-26-000011 · form4-07102026_080719.xml · nonDerivative · entry 1

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,500

SEC source: 0002123678-26-000009 · form4-07012026_010702.xml · nonDerivative · entry 2

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

SEC source: 0002123678-26-000009 · form4-07012026_010702.xml · nonDerivative · entry 1

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

SEC source: 0002123678-26-000007 · form4-06252026_050658.xml · nonDerivative · entry 2

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

SEC source: 0002123678-26-000007 · form4-06252026_050658.xml · nonDerivative · entry 1

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,000

SEC source: 0002076979-26-000004 · form4-06252026_090643.xml · derivative · entry 3

Telesz Todd E · CIK 0002076979 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,686

Underlying: Common Stock · 8,219 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · balance_after: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

SEC source: 0002076979-26-000004 · form4-06252026_090643.xml · nonDerivative · entry 2

Telesz Todd E · CIK 0002076979 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,609

SEC source: 0002076979-26-000004 · form4-06252026_090643.xml · nonDerivative · entry 1

Telesz Todd E · CIK 0002076979 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,219

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001750200-26-000009 · form4-06172026_080647.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By the Charles R. Wesley IV Revocable Trust

Disclosed balance after: 338,469

F1 · ownership.nature: Mr. Wesley, as trustee of the Charles R. Wesley IV Revocable Trust, may be deemed to have voting and dispositive power as to the shares held by the trust.

SEC source: 0001032385-26-000003 · form4-06022026_120644.xml · derivative · entry 5

LUBAR DAVID J · CIK 0001032385 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,316

Underlying: Common Stock · 6,316 shares

Expires not disclosed

F4 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F5 · shares: These shares were issued to the reporting person as consideration for his total annual equity compensation for service on the Issuer's board.

F4 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F4 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F6 · derivative.exercise_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F4 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F6 · derivative.expiration_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F4 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

SEC source: 0001750200-26-000007 · form4-06012026_100612.xml · derivative · entry 3

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,047

Underlying: Common Stock · 6,047 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F3 · shares: These restricted stock units were issued to the reporting person as consideration for his total annual equity compensation for service on the Issuer's board.

F2 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F4 · derivative.exercise_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F2 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F4 · derivative.expiration_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F2 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

SEC source: 0002030612-26-000006 · form4-06012026_060636.xml · derivative · entry 2

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,047

Underlying: Common Stock · 6,047 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.exercise_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.expiration_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F1 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

SEC source: 0002106207-26-000004 · form4-06012026_060629.xml · derivative · entry 1

Sugg Barbara Ann · CIK 0002106207 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,375

Underlying: Common Stock · 5,375 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.exercise_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.expiration_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F1 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

SEC source: 0002123678-26-000004 · form4-06012026_060633.xml · derivative · entry 1

Hudson Daniel Timothy · CIK 0002123678 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,927

Underlying: Common Stock · 4,927 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.exercise_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

F2 · derivative.expiration_date: The Units shall fully vest May 27, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, subject to the terms and conditions set forth in the Second Amended and Restated 2008 Restricted Stock Unit Plan and Award Agreement.

F1 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Second Amended and Restated 2008 Restricted Stock Unit Plan.

SEC source: 0001424577-26-000005 · form4-04172026_010437.xml · derivative · entry 3

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,886

Underlying: Common Stock · 69,808 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: These RSUs vest ratably on March 31, 2027, March 31, 2028, and March 31, 2029, subject to the executive officer's continued service through each applicable vesting date. subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: These RSUs vest ratably on March 31, 2027, March 31, 2028, and March 31, 2029, subject to the executive officer's continued service through each applicable vesting date. subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

F1 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

SEC source: 0002076979-26-000002 · form4-04162026_080458.xml · derivative · entry 1

Telesz Todd E · CIK 0002076979 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,905

Underlying: Common Stock · 15,998 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: These RSUs vest ratably on March 31, 2027, March 31, 2028, and March 31, 2029, subject to the executive officer's continued service through each applicable vesting date. subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: These RSUs vest ratably on March 31, 2027, March 31, 2028, and March 31, 2029, subject to the executive officer's continued service through each applicable vesting date. subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

SEC source: 0001970432-26-000004 · form4-04162026_050423.xml · derivative · entry 2

Lovell Heath Aaron · CIK 0001970432 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,134

Underlying: Common Stock · 23,270 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: These RSUs vest ratably on March 31, 2027, March 31, 2028, and March 31, 2029, subject to the executive officer's continued service through each applicable vesting date. subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

F1 · derivative.expiration_date: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.expiration_date: These RSUs vest ratably on March 31, 2027, March 31, 2028, and March 31, 2029, subject to the executive officer's continued service through each applicable vesting date. subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

SEC source: 0001970432-26-000002 · form4-04032026_010431.xml · nonDerivative · entry 1

Lovell Heath Aaron · CIK 0001970432 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,816

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001424577-26-000002 · form4-04032026_010402.xml · derivative · entry 4

Bilsland Brent K · CIK 0001424577 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,078

Underlying: Common Stock · 105,079 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit awarded on September 6, 2024, represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit awarded on September 6, 2024, represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.exercise_date: Each Restricted Stock Unit awarded on September 6, 2024, represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

F1 · derivative.expiration_date: Each Restricted Stock Unit awarded on September 6, 2024, represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0002102403-26-000003 · form4-03112026_080330.xml · derivative · entry 1

Van Deman Eric Matthew · CIK 0002102403 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,973

Underlying: Common Stock · 9,973 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: The Units shall vest in the amount of 4,986 RSUs on December 1, 2026 and, 4,987 RSUs on December 1, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

F2 · derivative.expiration_date: The Units shall vest in the amount of 4,986 RSUs on December 1, 2026 and, 4,987 RSUs on December 1, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

SEC source: 0002030612-26-000004 · form4-01162026_110138.xml · nonDerivative · entry 1

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,480

F1 · shares: On January 14, 2026, the Reporting Person purchased 13,888 shares of the Issuer's Common Stock in connection with a firm commitment underwritten offering.

SEC source: 0001750200-26-000004 · form4-01162026_070104.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By the Charles R. Wesley IV Revocable Trust

Disclosed balance after: 323,469

F1 · shares: On January 14, 2026, the Reporting Person purchased 55,555 shares of the Issuer's Common Stock in connection with a firm commitment underwritten offering.

SEC source: 0001104659-26-000280 · tm261720-1_4seq1.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,016

F1 · price: These shares were issued to the reporting person as consideration for his service on the Issuer's board.

SEC source: 0001032385-25-000005 · form4-12312025_101219.xml · nonDerivative · entry 1

LUBAR DAVID J · CIK 0001032385 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,851

F1 · shares: These shares were issued to the reporting person as consideration for his total 2025 calendar year equity compensation for service on the Issuer's board.

SEC source: 0002030612-25-000003 · form4-12312025_081238.xml · nonDerivative · entry 1

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,592

F1 · shares: These shares were issued to the reporting person as consideration for his total 2025 calendar year equity compensation for service on the Issuer's board.

SEC source: 0001750200-26-000002 · form4-01022026_080145.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,862

F1 · shares: These shares were issued to the reporting person as consideration for his total 2025 calendar year equity compensation for service on the Issuer's board.

SEC source: 0001750200-25-000005 · form4-12202025_121202.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By the Charles R. Wesley IV Revocable Trust

Disclosed balance after: 267,914

F1 · balance_after: Mr. Wesley, as trustee of the Charles R. Wesley IV Revocable Trust, may be deemed to have voting and dispositive power as to the shares held by the trust.

SEC source: 0001750200-25-000003 · form4-11212025_111133.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By the Charles R. Wesley IV Revocable Trust

Disclosed balance after: 247,914

SEC source: 0001104659-25-096752 · tm2528001-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 21,072

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.40 to $20.05, inclusive.

F2 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-096752 · tm2528001-1_4seq1.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,584,929

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.40 to $20.05, inclusive.

F2 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-095738 · tm2527776-1_4seq1.xml · nonDerivative · entry 4

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 46,072

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.40 to $19.685, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-095738 · tm2527776-1_4seq1.xml · nonDerivative · entry 3

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,659,929

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.40 to $19.685, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-095738 · tm2527776-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 71,072

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.50 to $19.87, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-095738 · tm2527776-1_4seq1.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,734,929

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.50 to $19.87, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-094557 · tm2527446-1_4seq1.xml · nonDerivative · entry 4

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 89,518

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.10 to $19.53, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-094557 · tm2527446-1_4seq1.xml · nonDerivative · entry 3

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,790,266

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.10 to $19.53, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0002076979-25-000002 · form4-09302025_070933.xml · derivative · entry 1

Telesz Todd E · CIK 0002076979 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,907

Underlying: Common Stock · 24,907 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: The Units shall vest in the amount of 8,219 on June 23, 2026; 8,219 on June 23, 2027, and 8,469 on June 23, 2028, subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

F2 · derivative.expiration_date: The Units shall vest in the amount of 8,219 on June 23, 2026; 8,219 on June 23, 2027, and 8,469 on June 23, 2028, subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.

SEC source: 0001104659-25-094557 · tm2527446-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 108,985

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.40 to $19.995, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-094557 · tm2527446-1_4seq1.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,848,667

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.40 to $19.995, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-092939 · tm2526861-1_4seq1.xml · nonDerivative · entry 4

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 117,731

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.05 to $19.30, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-092939 · tm2526861-1_4seq1.xml · nonDerivative · entry 3

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,874,903

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.05 to $19.30, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-092939 · tm2526861-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 119,924

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.10 to $19.44, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-092939 · tm2526861-1_4seq1.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,881,480

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.10 to $19.44, inclusive.

F3 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001415889-25-022392 · form4-08192025_110850.xml · nonDerivative · entry 1

Wesley Charles Ray IV · CIK 0001750200 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By the Charles R. Wesley IV Revocable Trust

Disclosed balance after: 234,914

F1 · ownership.nature: Mr. Wesley, as trustee of the Charles R. Wesley IV Revocable Trust, may be deemed to have voting and dispositive power as to the shares held by the trust.

SEC source: 0001104659-25-051563 · tm2515839-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By David Hardie Separate Property Trust

Disclosed balance after: 139,089

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.87 to $19.27, inclusive.

F2 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001104659-25-051563 · tm2515839-1_4seq1.xml · nonDerivative · entry 1

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 1,938,974

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.87 to $19.27, inclusive.

F2 · price: The reporting person undertakes to provide to Hallador Energy Company, or any security holder of Hallador Energy Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes to this Form 4.

SEC source: 0001415889-25-010563 · form4-04112025_010446.xml · nonDerivative · entry 1

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000