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HALLADOR ENERGY CO

Electric Services · CO · CIK 788965

Hallador Energy mines coal and produces electricity for utilities and energy market participants

red 8-K · 90d
$775M
Market cap
$16.93
Last close
-3.4%
1D
-10.6%
5D
742K
Volume
Price · last 39 sessions+8.8%
May 4L $15.56 · H $19.78Jun 29
291
Total filings
Jun 26, 2026
Last filing
12/31
Fiscal year end
8-KMaterial Agreement · New Debt / ObligationJun 26, 20268-KExecutive ChangeJun 11, 20268-KReg FD DisclosureJun 5, 20268-KMine SafetyJun 3, 20268-KMaterial Agreement · Reg FD DisclosureJun 2, 20268-KShareholder VoteMay 29, 202610-Q10-QMay 6, 20268-KExecutive Change · Company UpdateMay 6, 20268-KResults of OperationsMay 6, 2026DEFA14ADEFA14AApr 15, 2026DEF 14ADEF 14AApr 15, 20268-KExecutive ChangeApr 15, 20268-KMine SafetyMar 27, 20268-KResults of OperationsMar 12, 202610-K10-KMar 12, 20268-KMaterial Agreement · Agreement TerminatedMar 10, 20268-KExecutive Change · Reg FD DisclosureMar 9, 2026SC 13D/ASC 13D/AFeb 27, 20268-KAgreement Terminated · Company UpdateJan 15, 2026424B5424B5Jan 14, 2026424B5424B5Jan 13, 20268-KExecutive Change · Reg FD DisclosureJan 6, 2026424B5424B5Dec 16, 20258-KExecutive ChangeDec 4, 202510-Q10-QNov 10, 20258-KResults of OperationsNov 10, 202510-Q10-QAug 11, 20258-KResults of OperationsAug 11, 20258-KExecutive Change · Reg FD DisclosureJun 4, 20258-KExecutive Change · Shareholder VoteJun 2, 20258-KCompany UpdateMay 22, 202510-Q10-QMay 12, 20258-KResults of OperationsMay 12, 2025DEF 14ADEF 14AApr 17, 20258-KResults of OperationsMar 17, 202510-K10-KMar 17, 20258-KCompany UpdateJan 7, 202510-Q10-QNov 12, 20248-KResults of OperationsNov 12, 20248-KMaterial Agreement · New Debt / ObligationOct 3, 202410-QFORM 10-QAug 7, 20248-KResults of OperationsAug 7, 2024SC 13GSCHEDULE SC 13GJul 5, 20248-KEquity Issuance · Company UpdateJul 3, 20248-KShareholder VoteJun 3, 202410-QFORM 10-QMay 7, 20248-KResults of OperationsMay 7, 2024DEFA14AFORM DEFA14AApr 19, 2024DEF 14AFORM DEF 14AApr 19, 20248-KCompany UpdateMar 28, 20248-KExecutive Change · Reg FD DisclosureMar 25, 202410-KFORM 10-KMar 14, 20248-KResults of OperationsMar 14, 20248-KReg FD DisclosureFeb 23, 2024SC 13GSC 13GFeb 2, 20248-KMaterial AgreementDec 18, 2023424B5424B5Dec 18, 20238-KResults of OperationsNov 7, 202310-QFORM 10-QNov 6, 202310-K/AFORM 10-K/ANov 1, 20238-KExecutive ChangeSep 8, 20238-KResults of OperationsAug 8, 202310-QFORM 10-QAug 7, 20238-KMaterial Agreement · New Debt / ObligationAug 3, 20238-KCompany UpdateJul 19, 20238-KShareholder VoteJun 1, 20238-KResults of OperationsMay 9, 202310-QFORM 10-QMay 8, 2023DEFA14AFORM DEFA14AApr 21, 2023DEF 14AFORM DEF 14AApr 20, 20238-KResults of OperationsMar 17, 202310-KFORM 10-KMar 16, 2023SC 13GSC 13GFeb 10, 20238-K/AAcquisition / DispositionJan 6, 20238-KResults of OperationsNov 15, 202210-QFORM 10-QNov 14, 20228-KAcquisition / Disposition · Reg FD DisclosureOct 21, 20228-KMaterial AgreementOct 4, 20228-KAuditor ChangeOct 3, 20228-KResults of OperationsAug 16, 2022

Insider Activity

In the 90 days to Dec 17, 2025: 1 insider bought $607K · 1 sold $5.4M.

DateInsiderActionSharesPriceValue
Dec 17, 2025Wesley Charles Ray IvDirectorBuy20,000$17.83$357K
Nov 21, 2025Wesley Charles Ray IvDirectorBuy13,000$19.28$251K
Oct 1, 2025Hardie David CDirectorSell75,000$19.76$1.5M
Oct 1, 2025Hardie David CDirectorSell25,000$19.76$494K
Sep 30, 2025Hardie David CDirectorSell75,000$19.53$1.5M
Sep 30, 2025Hardie David CDirectorSell25,000$19.53$488K
Sep 29, 2025Hardie David CDirectorSell55,337$19.65$1.1M
Sep 29, 2025Hardie David CDirectorSell18,446$19.65$362K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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