HNRG

SEC source: 0001437749-24-014327 · rdgdoc.xml · nonDerivative · entry 2

Martin Lawrence D · CIK 0001425718 · FORMER CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 445,281

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-24-014327 · rdgdoc.xml · nonDerivative · entry 1

Martin Lawrence D · CIK 0001425718 · FORMER CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 471,020

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 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: 0001437749-24-010931 · rdgdoc.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,179

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 · 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 · 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 · 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: 0001437749-24-010931 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 948,977

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-24-010931 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987,993

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 vested Restricted Stock Units. 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: 0001437749-24-010956 · rdgdoc.xml · derivative · entry 3

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,971

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 · 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.

F3 · 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: 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.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.

F3 · 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 Amended and Restated 2008 RSU Plan.

F3 · 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: 0001437749-24-010956 · rdgdoc.xml · nonDerivative · entry 2

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,032

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-24-010956 · rdgdoc.xml · nonDerivative · entry 1

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,293

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: Shares acquired through the vesting of Restricted Stock Units. Each restricted stock unit represents 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: 0001437749-24-010929 · rdgdoc.xml · derivative · entry 3

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,971

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.

SEC source: 0001437749-24-010929 · rdgdoc.xml · nonDerivative · entry 2

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,049

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-24-010929 · rdgdoc.xml · nonDerivative · entry 1

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 438,788

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 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: 0001437749-24-010666 · rdgdoc.xml · derivative · entry 4

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: 0

Underlying: Common Stock · 1,279,182 shares

Expires 2024-08-22

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 · 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: 0001437749-24-010666 · rdgdoc.xml · nonDerivative · entry 2

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: 2,663,334

F2 · shares: Per the terms of the Unsecured Convertible Notes, interest due may be paid in shares of the Issuer's common stock.

F4 · price: Based on the closing stock price on March 28, 2024.

F1 · balance_after: 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.

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: 0001437749-24-010666 · 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: 2,483,222

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.

F5 · shares: Theses securities were issued due to the conversion of two unsecured convertible notes to Lubar Opportunities Fund I, LLC, per the terms of the agreements.

F5 · price: Theses securities were issued due to the conversion of two unsecured convertible notes to Lubar Opportunities Fund I, LLC, per the terms of the agreements.

F1 · balance_after: 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.

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: 0001437749-24-009317 · rdgdoc.xml · nonDerivative · entry 2

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: 154,302

F1 · shares: Owned by the Charles R. Wesley IV Revocable Trust.

F2 · 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: 0001437749-24-009317 · 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: 110,302

F1 · shares: Owned by the Charles R. Wesley IV Revocable Trust.

F2 · 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: 0001104659-24-027679 · tm247321-1_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: 1,985,122

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: Hallador Alternative Assets Fund LLC were issued these shares of common stock by Issuer as interest payment for the convertible promissory note dated August 8, 2022.

SEC source: 0001437749-24-005658 · 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: 1,204,040

F2 · price: Per the terms of the Unsecured Convertible Notes, interest due may be paid in shares of the Issuer's common stock. The share price was $6.254, based on the 30 day VWAP on 7/28/2022 when the Notes were issued.

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: 0001437749-23-035518 · rdgdoc.xml · nonDerivative · entry 1

Davis Robert Todd · CIK 0001771506 · FORMER CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,194

F1 · shares: Shares forfeited pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-23-033712 · rdgdoc.xml · derivative · entry 3

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires not disclosed

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

F2 · kind: Shares forfeited 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 are 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 are 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 are delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

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

SEC source: 0001437749-23-033712 · rdgdoc.xml · derivative · entry 2

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock, par value $.01 · 10,000 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 are 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 are 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 are 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 are 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 are 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 are 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 are delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-23-033712 · rdgdoc.xml · nonDerivative · entry 1

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,644

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 are delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-23-021690 · rdgdoc.xml · derivative · entry 3

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock, par value $.01 · 10,000 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 are 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 are 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 are 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 are 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 are 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 are 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 are delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001437749-23-021690 · rdgdoc.xml · nonDerivative · entry 2

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,644

F2 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-23-021690 · rdgdoc.xml · nonDerivative · entry 1

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,252

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 are delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan.

SEC source: 0001104659-23-045171 · tm2312867-1_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: 1,978,726

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.00 to $9.17, 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: 0001104659-23-045171 · tm2312867-1_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: 1,993,536

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.50 to $9.72, 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: 0001437749-23-009349 · rdgdoc.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,358

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 · 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 · 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 · 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: 0001437749-23-009349 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 898,814

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-23-009349 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 937,847

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: 0001437749-23-009322 · rdgdoc.xml · derivative · entry 3

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,942

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.

SEC source: 0001437749-23-009322 · rdgdoc.xml · nonDerivative · entry 2

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 380,817

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

SEC source: 0001437749-23-009322 · rdgdoc.xml · nonDerivative · entry 1

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 406,932

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: 0001437749-23-009323 · rdgdoc.xml · derivative · entry 3

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,942

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.

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 Amended and Restated 2008 RSU Plan.

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

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 Amended and Restated 2008 RSU Plan.

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 Amended and Restated 2008 RSU Plan.

F4 · 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: 0001437749-23-009323 · rdgdoc.xml · nonDerivative · entry 2

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,322

F3 · shares: Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding.

F2 · price: The closing stock price on the day of vesting.

SEC source: 0001437749-23-009323 · rdgdoc.xml · nonDerivative · entry 1

Lovell Heath Aaron · CIK 0001970432 · President-Hallador Power

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,971

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: Shares acquired through the vesting of Restricted Stock Units on March 31, 2023. Each restricted stock unit represents 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: The closing stock price on the day of vesting.

SEC source: 0001437749-23-001429 · rdgdoc.xml · derivative · entry 2

Davis Robert Todd · CIK 0001771506 · SVP & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock, par value $.01 · 20,000 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.

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.

F2 · derivative.underlying_shares: Restricted Stock Units shall vest on December 1, 2025 according 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: 0001437749-23-000204 · rdgdoc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Owned Alexa C. Bilsland Revocable Trust

Disclosed balance after: 366,397

F2 · balance_after: The reporting person disclaims beneficial ownership of such shares.

F1 · ownership.nature: The reporting person's spouse, Alexa C. Bilsland, is trustee of the Alexa C. Bilsland Revocable Trust. The reporting person disclaims beneficial ownership in such shares.

SEC source: 0001437749-23-000204 · rdgdoc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 848,668

SEC source: 0001437749-22-027451 · rdgdoc.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,537

Underlying: Common Stock, par value $.01 · 267,537 shares

Expires not disclosed

F2 · derivative.exercise_price: The Restricted Stock Units shall vest in the amount of 89,179 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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 · shares: Each restricted stock unit represents a contingent right to receive one share of Hallador Energy Company common stock.

F2 · price: The Restricted Stock Units shall vest in the amount of 89,179 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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

F2 · derivative.exercise_date: The Restricted Stock Units shall vest in the amount of 89,179 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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

F2 · derivative.expiration_date: The Restricted Stock Units shall vest in the amount of 89,179 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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 Company common stock.

F1 · balance_after: Each restricted stock unit represents a contingent right to receive one share of Hallador Energy Company common stock.

SEC source: 0001437749-22-027449 · rdgdoc.xml · derivative · entry 1

Martin Lawrence D · CIK 0001425718 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,913

Underlying: Common Stock, par value $.01 · 173,913 shares

Expires not disclosed

F1 · derivative.exercise_price: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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 · shares: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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 · 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: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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.exercise_date: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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.expiration_date: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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.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: A total of 173,913 restricted stock units, to be granted under the RSU Plan as promptly as practical after the adoption of this 2022 EO Plan, which shall vest in the amount of 57,971 restricted stock units on March 31st of each of 2023, 2024 and 2025, 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 · 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: 0001140361-22-034315 · form4.xml · nonDerivative · entry 1

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.47 to $5.72, inclusive. The reporting person undertakes to Hallador Energy Company (the "Issuer"), any security holder of the Issuer, 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 range set forth in footnotes (2).

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-034113 · form4.xml · nonDerivative · entry 3

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 80,043

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.65 to $5.82, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-034113 · form4.xml · nonDerivative · entry 2

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 98,471

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.60 to $5.97, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-034113 · form4.xml · nonDerivative · entry 1

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 131,229

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.56 to $5.79, inclusive. The reporting person undertakes to Hallador Energy Company (the "Issuer"), any security holder of the Issuer, 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 range set forth in footnotes (2), (3) and (4).

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-033518 · form4.xml · nonDerivative · entry 3

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 160,098

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.80 to $6.03, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-033518 · form4.xml · nonDerivative · entry 2

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 207,517

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.75 to $6.04, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-033518 · form4.xml · nonDerivative · entry 1

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 242,675

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.71 to $6.00, inclusive. The reporting person undertakes to Hallador Energy Company (the "Issuer"), any security holder of the Issuer, 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 range set forth in footnotes (2), (3) and (4).

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 4

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 261,049

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.80 to $6.25, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F14 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.

SEC source: 0001140361-22-033104 · form4.xml · nonDerivative · entry 3

LAWRENCE BRYAN H · CIK 0001210010 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 295,078

F1 · shares: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.15 to $6.37, inclusive.

F1 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F14 · ownership.nature: These securities are owned directly by Yorktown VI Company LP. The reporting person is a member and a manager of Yorktown VI Associates LLC, the general partner of Yorktown VI Company LP. These shares were previously owned by Yorktown Energy Partners VI, L.P., and distributed to Yorktown VI Company LP pursuant to the Limited Partnership Agreement of Yorktown VI Company LP.