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Hallador Energy SEC Filings

NASDAQ: HNRGUtilitiesElectric Utilities: CentralUSD

13.92-0.58 (-4.00%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Hallador Energy filing overview

This page lists 60 recent SEC filings by Hallador Energy (HNRG), including 25 4, 20 8-K, 4 SCHEDULE 13G/A, 3 10-Q. The latest annual report (10-K) was filed on Mar 12, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 10, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Oct 8, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

HNRG SEC filings

Hallador Energy SEC filings
FiledFormDescriptionDocument
Oct 8, 20268-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Regulation FD DisclosureView on EDGAR
Sep 17, 20268-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Regulation FD DisclosureView on EDGAR
Aug 14, 20268-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementView on EDGAR
Aug 11, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 10, 20268-KResults of Operations and Financial ConditionView on EDGAR
Aug 10, 202610-QQuarterly reportView on EDGAR
Jul 28, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jul 15, 20264Statement of changes in beneficial ownershipView on EDGAR
Jul 10, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 30, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20268-KEntry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementView on EDGAR
Jun 25, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 25, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 11, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Jun 5, 20268-KRegulation FD DisclosureView on EDGAR
Jun 3, 20268-KMine Safety - Reporting of Shutdowns and Patterns of ViolationsView on EDGAR
Jun 2, 20268-KEntry into a Material Definitive Agreement; Regulation FD DisclosureView on EDGAR
Jun 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 1, 20264Statement of changes in beneficial ownershipView on EDGAR
May 29, 20268-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
May 6, 20268-KResults of Operations and Financial ConditionView on EDGAR
May 6, 20268-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Other EventsView on EDGAR
May 6, 202610-QQuarterly reportView on EDGAR
Apr 27, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Apr 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 15, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Apr 15, 2026DEF 14ADefinitive proxy statementView on EDGAR
Apr 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 27, 20268-KMine Safety - Reporting of Shutdowns and Patterns of ViolationsView on EDGAR
Mar 26, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Mar 12, 202610-KAnnual reportView on EDGAR
Mar 12, 20268-KResults of Operations and Financial ConditionView on EDGAR
Mar 11, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 10, 20268-KEntry into a Material Definitive Agreement; Termination of a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet ArrangementView on EDGAR
Mar 9, 20268-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD DisclosureView on EDGAR
Feb 27, 2026SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Jan 21, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jan 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 15, 20268-KTermination of a Material Definitive Agreement; Other EventsView on EDGAR
Jan 14, 2026424B5ProspectusView on EDGAR
Jan 13, 2026424B5ProspectusView on EDGAR
Jan 6, 20268-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD DisclosureView on EDGAR
Jan 2, 20264OWNERSHIP DOCUMENTView on EDGAR
Jan 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Dec 31, 20254Statement of changes in beneficial ownershipView on EDGAR
Dec 31, 20254Statement of changes in beneficial ownershipView on EDGAR
Dec 19, 20254Statement of changes in beneficial ownershipView on EDGAR
Dec 16, 2025424B5ProspectusView on EDGAR
Dec 4, 20258-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Nov 21, 20254Statement of changes in beneficial ownershipView on EDGAR
Nov 12, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 10, 202510-QQuarterly reportView on EDGAR

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