Eric M. Van Deman - 10 Mar 2026 Form 4 Insider Report for HALLADOR ENERGY CO (HNRG)

Role: Chief Accounting Officer
Signature: /s/ Eric M. Van Deman
Issuer symbol: HNRG
Transactions as of: 10 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 11 Mar 2026, 16:36:35 UTC
Previous filing: 22 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Van Deman Eric Matthew	Chief Accounting Officer	10375 PARK MEADOWS DRIVE, SUITE 500, LONE TREE	/s/ Eric M. Van Deman	11 Mar 2026	0002102403

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	HNRG	Restricted Stock Unit	Award		+9,973			9,973	10 Mar 2026	Common Stock	9,973		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the 2nd Amended and Restated 2008 RSU Plan.
F2	The Units shall vest in the amount of 4,986 RSUs on December 1, 2026 and, 4,987 RSUs on December 1, 2027, subject in each case subject to Participant's continued Service through the applicable vesting date, and shall vest in full subject to Participant's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the Plan and this Agreement.