HNRG

SEC source: 0001415889-25-010473 · form4-04092025_070422.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: 214,914

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: 0001415889-25-009785 · form4-04022025_110456.xml · derivative · entry 4

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,728

Underlying: Common Stock · 40,864 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.

F3 · security: 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.

F3 · 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.

F3 · shares: 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.

F3 · 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.

F3 · 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.

F3 · 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.

F3 · derivative.underlying_shares: 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.

F3 · balance_after: 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: 0001415889-25-009785 · form4-04022025_110456.xml · derivative · entry 3

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 57,971 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.

F2 · security: Each Restricted Stock Unit awarded on April 1, 2022, 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit awarded on April 1, 2022, 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.

F2 · shares: Each Restricted Stock Unit awarded on April 1, 2022, 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.

F2 · price: Each Restricted Stock Unit awarded on April 1, 2022, 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.

F2 · derivative.exercise_date: Each Restricted Stock Unit awarded on April 1, 2022, 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.

F2 · derivative.expiration_date: Each Restricted Stock Unit awarded on April 1, 2022, 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.

F2 · derivative.underlying_shares: Each Restricted Stock Unit awarded on April 1, 2022, 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: 0001415889-25-009785 · form4-04022025_110456.xml · nonDerivative · entry 2

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,385

SEC source: 0001415889-25-009785 · form4-04022025_110456.xml · nonDerivative · entry 1

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,867

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: 0001415889-25-009783 · form4-04022025_110415.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 210,157

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.

F4 · 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.

F4 · shares: 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.

F4 · 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.

F4 · 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.

F4 · 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.

F4 · derivative.underlying_shares: 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.

F4 · balance_after: 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: 0001415889-25-009783 · form4-04022025_110415.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 89,179 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.

F3 · derivative.exercise_price: Each Restricted Stock Unit awarded on November 11, 2022, 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.

F3 · shares: Each Restricted Stock Unit awarded on November 11, 2022, 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.

F3 · price: Each Restricted Stock Unit awarded on November 11, 2022, 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.

F3 · derivative.exercise_date: Each Restricted Stock Unit awarded on November 11, 2022, 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.

F3 · derivative.expiration_date: Each Restricted Stock Unit awarded on November 11, 2022, 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.

F3 · derivative.underlying: Each Restricted Stock Unit awarded on November 11, 2022, 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: 0001415889-25-009783 · form4-04022025_110415.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,090,203

SEC source: 0001415889-25-009783 · form4-04022025_110415.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,143,235

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: Represents Restricted Stock Units that vested on March 31, 2023. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001415889-25-009758 · form4-04022025_100418.xml · derivative · entry 3

Hargrave Marjorie Anne · CIK 0001783211 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,702

Underlying: Common Stock · Not disclosed 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.

F3 · security: 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.

F3 · 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.

F3 · shares: 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.

F3 · 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.

F3 · 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.

F3 · 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.

F3 · derivative.underlying_shares: 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: 0001415889-25-009758 · form4-04022025_100418.xml · derivative · entry 2

Hargrave Marjorie Anne · CIK 0001783211 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,831

Underlying: Common Stock · Not disclosed 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.

F2 · security: Each Restricted Stock Unit awarded on April 10, 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit awarded on April 10, 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.

F2 · shares: Each Restricted Stock Unit awarded on April 10, 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.

F2 · price: Each Restricted Stock Unit awarded on April 10, 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.

F2 · derivative.exercise_date: Each Restricted Stock Unit awarded on April 10, 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.

F2 · derivative.expiration_date: Each Restricted Stock Unit awarded on April 10, 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.

F2 · derivative.underlying_shares: Each Restricted Stock Unit awarded on April 10, 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: 0001415889-25-009758 · form4-04022025_100418.xml · nonDerivative · entry 1

Hargrave Marjorie Anne · CIK 0001783211 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,267

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: 0001415889-25-010597 · form4a-04112025_100435.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,087,388

F1 · shares: This amendment is being filed to address a revision in the number of shares withheld from 53032 to 55849 for payment of tax liability incident to the vesting of Restricted Stock Units.

SEC source: 0001415889-25-010585 · form4a-04112025_090430.xml · nonDerivative · entry 1

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,952

F1 · shares: This amendment is being filed to address a revision in the number of shares withheld from 35482 to 36915 for payment of tax liability incident to the vesting of Restricted Stock Units

SEC source: 0001970432-26-000002 · form4-04032026_010431.xml · derivative · entry 3

Lovell Heath Aaron · CIK 0001970432 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,864

Underlying: Common Stock · 40,864 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 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 · 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.

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 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 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 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 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 Amended and Restated 2008 RSU Plan.

SEC source: 0001970432-26-000002 · form4-04032026_010431.xml · nonDerivative · entry 2

Lovell Heath Aaron · CIK 0001970432 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,713

SEC source: 0001424577-26-000002 · form4-04032026_010402.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,146,495

SEC source: 0001424577-26-000002 · form4-04032026_010402.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,192,467

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: 0001415889-24-029782 · form4-12192024_121243.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: 204,914

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

F2 · 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: 0001104659-24-127283 · tm2430704-1_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: 2,006,431

SEC source: 0001104659-24-127283 · tm2430704-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 2,022,713

SEC source: 0001104659-24-127283 · tm2430704-1_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: 2,041,488

SEC source: 0001104659-24-123167 · tm2429616-1_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 2,044,041

SEC source: 0001104659-24-123167 · tm2429616-1_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: 2,056,431

SEC source: 0001104659-24-122253 · tm2428942-4_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 2,090,127

SEC source: 0001104659-24-122253 · tm2428942-4_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: 2,091,926

SEC source: 0001104659-24-121148 · tm2428942-3_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: 2,106,731

SEC source: 0001104659-24-121148 · tm2428942-3_4seq1.xml · nonDerivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 2,106,819

SEC source: 0001104659-24-121148 · tm2428942-3_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: 2,130,423

SEC source: 0001437749-24-030908 · rdgdoc.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: 203,352

F2 · kind: These shares were issued to the reporting person as consideration for his service on the Issuer's Board of Directors for years 2023 and 2024.

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: 0001437749-24-028684 · rdgdoc.xml · derivative · entry 1

Hargrave Marjorie Anne · CIK 0001783211 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,053

Underlying: Common Stock · 70,053 shares

Expires not disclosed

F1 · security: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock.

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock.

F1 · price: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock.

F2 · derivative.exercise_date: Restricted stock units shall vest in the amount of 23,351 restricted stock units on March 31st of each of 2025, 2026 and 2027, subject to the Covered Person's continued Service through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the RSU Plan and the applicable award agreement.

F2 · derivative.expiration_date: Restricted stock units shall vest in the amount of 23,351 restricted stock units on March 31st of each of 2025, 2026 and 2027, subject to the Covered Person's continued Service through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the RSU Plan and the applicable award agreement.

F1 · derivative.underlying: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock.

F1 · derivative.underlying_shares: Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock.

SEC source: 0001437749-24-028682 · rdgdoc.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,236

Underlying: Common Stock · 315,236 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 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 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 Amended and Restated 2008 RSU Plan.

F3 · derivative.exercise_date: Restricted stock units shall vest in the amount of 105,079 restricted stock units on March 31st of each of 2025 and 2026, and 105,078 restricted stock units on March 31, 2027, subject to the Covered Person's continued Service, as defined in the RSU Plan, through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, as defined in the RSU Plan, and otherwise in accordance with the terms of the RSU Plan and the applicable award agreement.

F3 · derivative.expiration_date: Restricted stock units shall vest in the amount of 105,079 restricted stock units on March 31st of each of 2025 and 2026, and 105,078 restricted stock units on March 31, 2027, subject to the Covered Person's continued Service, as defined in the RSU Plan, through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, as defined in the RSU Plan, and otherwise in accordance with the terms of the RSU Plan and the applicable award 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 Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-24-028680 · rdgdoc.xml · derivative · entry 2

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,592

Underlying: Common Stock · 122,592 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 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 Amended and Restated 2008 RSU Plan.

F2 · shares: Restricted Stock Units shall vest in the amount of 40,864 restricted stock units on March 31st of each of 2025, 2026 and 2027, subject to the Covered Person's continued Service through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the RSU Plan and the applicable award agreement.

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 Amended and Restated 2008 RSU Plan.

F2 · derivative.exercise_date: Restricted Stock Units shall vest in the amount of 40,864 restricted stock units on March 31st of each of 2025, 2026 and 2027, subject to the Covered Person's continued Service through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the RSU Plan and the applicable award agreement.

F2 · derivative.expiration_date: Restricted Stock Units shall vest in the amount of 40,864 restricted stock units on March 31st of each of 2025, 2026 and 2027, subject to the Covered Person's continued Service through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the RSU Plan and the applicable award 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 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 Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-24-029395 · rdgdoc.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: 184,302

F1 · shares: 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.

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: 0001437749-24-028281 · rdgdoc.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Indirect · SM Opportunities Fund, LLC

Disclosed balance after: 271,763

F4 · kind: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F4 · shares: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F4 · balance_after: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F2 · ownership.nature: These securities are owned by SM Opportunities Fund, LLC ("SMOF"). Lubar & Co. is the sole manager of the fund. Mr. David Lubar, as CEO of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by SMOF. Mr. David Lubar disclaims beneficial ownership in the shares owned by LOFI, except to the extent of his respective pecuniary interest therein.

SEC source: 0001437749-24-028281 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lubar Opportunities Fund I, LLC

Disclosed balance after: 2,391,571

F4 · kind: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F4 · shares: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F4 · price: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F4 · acquired: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F4 · balance_after: This form is being filed to report a change in the form of beneficial ownership of the shares as a result of a distribution of 271,763 shares of the issuer by LOFI to SMOF.

F1 · ownership.nature: These securities are owned by Lubar Opportunities Fund I, LLC ("LOFI"). Lubar & Co. is the sole manager of the fund. Mr. David Lubar, as CEO of Lubar & Co., may be deemed to share voting and dispositive power as to the shares held by LOFI. Mr. David Lubar disclaims beneficial ownership in the shares owned by LOFI, except to the extent of his respective pecuniary interest therein.

SEC source: 0001437749-24-028170 · rdgdoc.xml · nonDerivative · entry 3

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,000

SEC source: 0001437749-24-027902 · rdgdoc.xml · nonDerivative · entry 3

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,000

SEC source: 0001437749-24-027902 · rdgdoc.xml · nonDerivative · entry 2

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,000

SEC source: 0001437749-24-027902 · rdgdoc.xml · nonDerivative · entry 1

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,000

SEC source: 0001437749-24-027791 · rdgdoc.xml · nonDerivative · entry 4

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,000

SEC source: 0001437749-24-027270 · rdgdoc.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: 159,302

F1 · shares: 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.

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: 0001437749-24-027791 · rdgdoc.xml · nonDerivative · entry 3

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,000

SEC source: 0001437749-24-027791 · rdgdoc.xml · nonDerivative · entry 2

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,000

SEC source: 0001437749-24-027791 · rdgdoc.xml · nonDerivative · entry 1

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,000

SEC source: 0001104659-24-082011 · tm2420057-2_4seq1.xml · derivative · entry 2

HARDIE DAVID C · CIK 0001166809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Hallador Alternative Assets Fund LLC

Disclosed balance after: 0

Underlying: Common Stock · 190,000 shares

Expires 2024-08-17

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.

F2 · derivative.exercise_price: HAAF and the Issuer agree to convert the Note into 190,000 shares of the Issuer's common stock.

F2 · shares: HAAF and the Issuer agree to convert the Note into 190,000 shares of the Issuer's common stock.

F2 · price: HAAF and the Issuer agree to convert the Note into 190,000 shares of the Issuer's common stock.

SEC source: 0001104659-24-082011 · tm2420057-2_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: 2,175,122

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: These shares of common stock were issued in connection with the conversion of the unsecured convertible promissory note dated August 8, 2022 in the principal amount of $1,000,000 (the "Note") held by Hallador Alternative Assets Fund LLC ("HAAF").

F2 · price: HAAF and the Issuer agree to convert the Note into 190,000 shares of the Issuer's common stock.

SEC source: 0001437749-24-028170 · rdgdoc.xml · nonDerivative · entry 2

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,000

SEC source: 0001437749-24-028170 · rdgdoc.xml · nonDerivative · entry 1

Gray Zarrell Thomas · CIK 0002030612 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

SEC source: 0001437749-24-014327 · rdgdoc.xml · derivative · entry 3

Martin Lawrence D · CIK 0001425718 · FORMER CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed 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.

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 Amended and Restated 2008 RSU Plan.

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 Amended and Restated 2008 RSU 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 Amended and Restated 2008 RSU Plan.

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 Amended and Restated 2008 RSU Plan.

F2 · underlyingValue: 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.