A business in context

HNRG research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-10-07 · 0001628280-26-065410 · Items 1.01,2.03,7.01,9.01

  2. 8-K · Current report

    Report date 2026-09-15 · 0001104659-26-108429 · Items 1.01,2.03,7.01,9.01

  3. 8-K · Current report

    Report date 2026-08-11 · 0001104659-26-097263 · Items 1.01,2.03,9.01

  4. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001104659-26-093468

  5. 8-K · Current report

    Report date 2026-08-10 · 0001104659-26-093446 · Items 2.02,9.01

  6. 4 · Ownership change

    Report date 2026-07-14 · 0002106207-26-000006

  7. 4 · Ownership change

    Report date 2026-07-09 · 0002123678-26-000011

  8. 4 · Ownership change

    Report date 2026-06-29 · 0002123678-26-000009

  9. 8-K · Current report

    Report date 2026-06-25 · 0000788965-26-000006 · Items 1.01,2.03,9.01

  10. 4 · Ownership change

    Report date 2026-06-24 · 0002123678-26-000007

  11. 4 · Ownership change

    Report date 2026-06-23 · 0002076979-26-000004

  12. 4 · Ownership change

    Report date 2026-06-16 · 0001750200-26-000009

  13. 8-K · Current report

    Report date 2026-06-08 · 0000788965-26-000004 · Items 5.02,9.01

  14. 8-K · Current report

    Report date 2026-06-04 · 0000788965-26-000002 · Items 7.01,9.01

  15. 8-K · Current report

    Report date 2026-05-28 · 0001104659-26-070122 · Items 1.04

  16. 8-K · Current report

    Report date 2026-05-30 · 0001104659-26-069138 · Items 1.01,7.01,9.01

  17. 4 · Ownership change

    Report date 2026-05-28 · 0002123678-26-000004

  18. 4 · Ownership change

    Report date 2026-05-28 · 0002106207-26-000004

  19. 8-K · Current report

    Report date 2026-05-27 · 0001104659-26-068374 · Items 5.07

  20. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001104659-26-056375

  21. 8-K · Current report

    Report date 2026-05-01 · 0001104659-26-056354 · Items 5.02,8.01

  22. 8-K · Current report

    Report date 2026-05-06 · 0001104659-26-056345 · Items 2.02,9.01

  23. DEF 14A · Proxy statement

    Report date 2026-05-27 · 0001104659-26-043867

  24. 8-K · Current report

    Report date 2026-04-09 · 0001104659-26-043845 · Items 5.02

  25. 8-K · Current report

    Report date 2026-03-25 · 0001104659-26-036234 · Items 1.04,9.01

  26. 8-K · Current report

    Report date 2026-03-12 · 0001104659-26-027176 · Items 2.02,9.01

  27. 10-K · Annual report

    Report date 2025-12-31 · 0001104659-26-027174

  28. 8-K · Current report

    Report date 2026-03-05 · 0001104659-26-025949 · Items 1.01,1.02,2.03,9.01

  29. 8-K · Current report

    Report date 2026-03-06 · 0001104659-26-025346 · Items 5.02,7.01,9.01

  30. 8-K · Current report

    Report date 2026-01-13 · 0001104659-26-004150 · Items 1.02,8.01,9.01

  31. 8-K · Current report

    Report date 2025-12-30 · 0001104659-26-001098 · Items 5.02,7.01,9.01

  32. 8-K · Current report

    Report date 2025-12-01 · 0001104659-25-118446 · Items 5.02,9.01

  33. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001104659-25-109301

  34. 8-K · Current report

    Report date 2025-11-10 · 0001104659-25-109272 · Items 2.02,9.01

  35. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001558370-25-011085

  36. 8-K · Current report

    Report date 2025-08-11 · 0001558370-25-011065 · Items 2.02,9.01

  37. 8-K · Current report

    Report date 2025-06-04 · 0001558370-25-008383 · Items 5.02,7.01,9.01

  38. 8-K · Current report

    Report date 2025-05-29 · 0001558370-25-008332 · Items 5.02,5.07,9.01

  39. 8-K · Current report

    Report date 2025-05-19 · 0001558370-25-008111 · Items 8.01

  40. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001558370-25-007429

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 4 transaction rows4PSale: 0 transaction rows0SGrant / award: 0 transaction rows0AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

4 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-07-14
2026-07-15
Sugg Barbara AnnP · Purchase
Acquired
COMMON STOCK1300.017.13
2026-07-14
2026-07-15
Sugg Barbara AnnP · Purchase
Acquired
COMMON STOCK3700.017.13
2026-07-09
2026-07-10
Hudson Daniel TimothyP · Purchase
Acquired
COMMON STOCK2500.016.57
2026-07-09
2026-07-10
Hudson Daniel TimothyP · Purchase
Acquired
COMMON STOCK2500.016.6

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0000788965HALLADOR ENERGY CO

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names
  • HALLADOR PETROLEUM CO · former SEC name · 1995-05-12 to 2009-12-21

Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$404.16M$434.10M
2023-12-31$634.88M$702.01M
2022-12-31$361.99M$416.70M
2021-12-31$247.67M$307.91M
2020-12-31$244.24M$317.97M
2019-12-31$323.46M$426.28M
2018-12-31$293.56M$393.88M
2017-12-31$271.63M$373.38M

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗