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QRHC research notebook

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SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-09-30 · 0001193805-26-001331

  2. 4 · Ownership change

    Report date 2026-09-30 · 0001193805-26-001330

  3. 4 · Ownership change

    Report date 2026-09-30 · 0001193805-26-001329

  4. 4 · Ownership change

    Report date 2026-09-30 · 0001193805-26-001328

  5. 4 · Ownership change

    Report date 2026-09-30 · 0001193805-26-001327

  6. 4 · Ownership change

    Report date 2026-09-30 · 0001193805-26-001326

  7. 4 · Ownership change

    Report date 2026-08-31 · 0000921895-26-002465

  8. 4 · Ownership change

    Report date 2026-08-31 · 0000921895-26-002464

  9. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001193125-26-338544

  10. 8-K · Current report

    Report date 2026-08-06 · 0001193125-26-337946 · Items 2.02,9.01

  11. 8-K · Current report

    Report date 2026-06-30 · 0001193805-26-000905 · Items 5.07

  12. DEF 14A · Proxy statement

    Report date 2026-06-30 · 0000921895-26-001525

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001193125-26-212552

  14. 8-K · Current report

    Report date 2026-05-07 · 0001193125-26-211812 · Items 2.02,9.01

  15. 8-K · Current report

    Report date 2026-03-20 · 0001193125-26-118013 · Items 7.01,9.01

  16. 10-K · Annual report

    Report date 2025-12-31 · 0001193125-26-104675

  17. 8-K · Current report

    Report date 2026-03-12 · 0001193805-26-000248 · Items 1.01,1.02,2.03,9.01

  18. 8-K · Current report

    Report date 2026-03-12 · 0001193125-26-104290 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2025-11-10 · 0001193125-25-277469 · Items 7.01

  20. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001193125-25-274169

  21. 8-K · Current report

    Report date 2025-11-10 · 0001193125-25-274159 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-10-20 · 0001193805-25-001489 · Items 5.02,8.01

  23. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000950170-25-106524

  24. 8-K · Current report

    Report date 2025-08-11 · 0000950170-25-106523 · Items 2.02,9.01

  25. 8-K · Current report

    Report date 2025-07-08 · 0000950170-25-095016 · Items 5.07

  26. DEF 14A · Proxy statement

    Report date 2025-07-08 · 0001193805-25-000857

  27. 8-K · Current report

    Report date 2025-05-12 · 0001193805-25-000635 · Items 1.01,2.03,9.01

  28. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-069129

  29. 8-K · Current report

    Report date 2025-05-12 · 0000950170-25-069123 · Items 2.02,9.01

  30. 8-K · Current report

    Report date 2025-05-07 · 0001193805-25-000622 · Items 1.01,5.02,9.01

  31. 8-K · Current report

    Report date 2025-03-31 · 0001193805-25-000429 · Items 1.01,2.03,8.01,9.01

  32. 8-K · Current report

    Report date 2025-03-13 · 0000950170-25-038932 · Items 7.01,9.01

  33. 8-K · Current report

    Report date 2025-03-10 · 0000950170-25-037897 · Items 2.02,5.02,8.01,9.01

  34. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-037891

  35. 8-K · Current report

    Report date 2024-12-30 · 0001193805-24-001550 · Items 1.01,2.03,8.01,9.01

  36. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000950170-24-123237

  37. 8-K · Current report

    Report date 2024-11-07 · 0000950170-24-123235 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2024-08-12 · 0001193805-24-001040 · Items 5.02,9.01

  39. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000950170-24-093847

  40. 8-K · Current report

    Report date 2024-08-08 · 0000950170-24-093846 · Items 2.02,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 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: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 26 transaction rows26AExercise / conversion: 0 transaction rows0MTax / exercise payment: 2 transaction rows2FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

28 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-31
2026-09-02
Tomolonius SarahA · Grant / award
Acquired
Common Stock2500.01.4
2026-08-31
2026-09-02
Nolan Stephen AA · Grant / award
Acquired
Common Stock2500.01.4
2026-08-31
2026-09-02
Lipstein Robert JA · Grant / award
Acquired
Common Stock2500.01.4
2026-08-31
2026-09-02
FRIEDBERG DANIEL M.; Hampstead Park Capital Management, LLC; Hampstead Park Environmental Services Investment Fund LLCA · Grant / award
Acquired
Common Stock19942.01.4
2026-08-31
2026-09-02
Dunning AudreyA · Grant / award
Acquired
Common Stock2500.01.4
2026-08-31
2026-09-02
Culpepper GlennA · Grant / award
Acquired
Common Stock2500.01.4
2026-08-13
2026-08-17
Tomolonius SarahA · Grant / award
Acquired
Common Stock28767.01.46
2026-08-13
2026-08-17
Nolan Stephen AA · Grant / award
Acquired
Common Stock28767.01.46
2026-08-13
2026-08-17
Moss Perry W.A · Grant / award
Acquired
Common Stock342465.01.46
2026-08-13
2026-08-17
Moss Perry W.F · Tax / exercise payment
Disposed
Common Stock9683.01.46
2026-08-13
2026-08-17
Lipstein Robert JA · Grant / award
Acquired
Common Stock28767.01.46
2026-08-13
2026-08-17
Johnston Brett WadeA · Grant / award
Acquired
Common Stock100000.01.46
2026-08-13
2026-08-17
Johnston Brett WadeF · Tax / exercise payment
Disposed
Common Stock3246.01.46
2026-08-13
2026-08-17
FRIEDBERG DANIEL M.; Hampstead Park Capital Management, LLC; Hampstead Park Environmental Services Investment Fund LLCA · Grant / award
Acquired
Common Stock28767.01.46
2026-08-13
2026-08-17
Dunning AudreyA · Grant / award
Acquired
Common Stock28767.01.46
2026-08-13
2026-08-17
Culpepper GlennA · Grant / award
Acquired
Common Stock28767.01.46
2026-07-31
2026-08-04
Tomolonius SarahA · Grant / award
Acquired
Common Stock2755.01.27
2026-07-31
2026-08-04
Nolan Stephen AA · Grant / award
Acquired
Common Stock2755.01.27
2026-07-31
2026-08-04
Lipstein Robert JA · Grant / award
Acquired
Common Stock2755.01.27
2026-07-31
2026-08-04
FRIEDBERG DANIEL M.; Hampstead Park Capital Management, LLC; Hampstead Park Environmental Services Investment Fund LLCA · Grant / award
Acquired
Common Stock21984.01.27
2026-07-31
2026-08-04
Dunning AudreyA · Grant / award
Acquired
Common Stock2755.01.27
2026-07-31
2026-08-04
Culpepper GlennA · Grant / award
Acquired
Common Stock2755.01.27
2026-06-30
2026-07-02
Tomolonius SarahA · Grant / award
Acquired
Common Stock2777.01.26
2026-06-30
2026-07-02
Nolan Stephen AA · Grant / award
Acquired
Common Stock2777.01.26
2026-06-30
2026-07-02
Lipstein Robert JA · Grant / award
Acquired
Common Stock2777.01.26
2026-06-30
2026-07-02
FRIEDBERG DANIEL M.; Hampstead Park Capital Management, LLC; Hampstead Park Environmental Services Investment Fund LLCA · Grant / award
Acquired
Common Stock22158.01.26
2026-06-30
2026-07-02
Dunning AudreyA · Grant / award
Acquired
Common Stock2777.01.26
2026-06-30
2026-07-02
Culpepper GlennA · Grant / award
Acquired
Common Stock2777.01.26

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 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 · 0001442236Quest Resource Holding Corp

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 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names
  • Infinity Resources Holdings Corp. · former SEC name · 2012-10-30 to 2013-10-29
  • YouChange Holdings Corp · former SEC name · 2010-09-29 to 2012-10-29
  • BlueStar Financial Group, Inc. · former SEC name · 2008-08-12 to 2010-08-17

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$288.53M$309.91M
2023-12-31$288.38M$318.87M
2022-12-31$284.04M$326.97M
2021-12-31$155.72M$193.59M
2020-12-31$98.66M$128.44M
2019-12-31$98.98M$130.44M
2018-12-31$103.81M$139.28M
2017-12-31$138.35M$190.17M

Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

Explore the CPI history ↗