{"transactions":[{"id":849725,"issuer":{"id":5143,"kind":"organization","name":"HALLADOR ENERGY CO"},"owners":[{"id":61608,"kind":"person","name":"Van Deman Eric Matthew","position":1,"cik":"0002102403","reported_name":"Van Deman Eric Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-03-11T20:36:35.000Z","date":"2026-03-10","kind":"grant","planned":false,"acquired":true,"shares":9973,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."}],"balance_after":9973,"derivative":{"underlying":"Common Stock","underlying_shares":9973},"source":{"system":"sec-edgar","filing":"0002102403-26-000003","document":"form4-03112026_080330.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/788965/000210240326000003/form4-03112026_080330.xml","form_type":"4"}}]}