TickerFacts.

A business in context

CLH research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-14 · 0001211558-26-000020

  2. 4/A · Ownership change

    Report date 2026-07-01 · 0001663307-26-000014

  3. 4/A · Ownership change

    Report date 2026-03-13 · 0001663307-26-000012

  4. 4/A · Ownership change

    Report date 2026-02-20 · 0001663307-26-000010

  5. 4/A · Ownership change

    Report date 2026-07-01 · 0001211558-26-000018

  6. 4/A · Ownership change

    Report date 2026-03-18 · 0001211558-26-000016

  7. 4/A · Ownership change

    Report date 2026-03-13 · 0001211558-26-000014

  8. 4/A · Ownership change

    Report date 2026-02-23 · 0001211558-26-000012

  9. 8-K · Current report

    Report date 2026-08-12 · 0000822818-26-000037 · Items 8.01,9.01

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000822818-26-000034

  11. 8-K · Current report

    Report date 2026-07-29 · 0000822818-26-000031 · Items 2.02,9.01

  12. 8-K · Current report

    Report date 2026-05-20 · 0000822818-26-000028 · Items 5.07,9.01

  13. 8-K · Current report

    Report date 2026-05-19 · 0000822818-26-000027 · Items 5.02,7.01,9.01

  14. 8-K · Current report

    Report date 2026-05-14 · 0000822818-26-000024 · Items 8.01,9.01

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000822818-26-000020

  16. 8-K · Current report

    Report date 2026-05-06 · 0000822818-26-000017 · Items 2.02,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-05-20 · 0000822818-26-000013

  18. 10-K · Annual report

    Report date 2025-12-31 · 0000822818-26-000009

  19. 8-K · Current report

    Report date 2026-02-18 · 0000822818-26-000004 · Items 2.02,9.01

  20. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000822818-25-000040

  21. 8-K · Current report

    Report date 2025-10-29 · 0000822818-25-000038 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-10-09 · 0000822818-25-000036 · Items 1.01,2.03,9.01

  23. 8-K · Current report

    Report date 2025-09-25 · 0000822818-25-000034 · Items 8.01,9.01

  24. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000822818-25-000030

  25. 8-K · Current report

    Report date 2025-07-30 · 0000822818-25-000028 · Items 2.02,9.01

  26. 8-K · Current report

    Report date 2025-05-21 · 0000822818-25-000023 · Items 5.07,9.01

  27. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000822818-25-000019

  28. 8-K · Current report

    Report date 2025-04-30 · 0000822818-25-000017 · Items 2.02,9.01

  29. DEF 14A · Proxy statement

    Report date 2025-05-21 · 0000822818-25-000011

  30. 10-K · Annual report

    Report date 2024-12-31 · 0000822818-25-000007

  31. 8-K · Current report

    Report date 2025-02-19 · 0000822818-25-000004 · Items 2.02,9.01

  32. SC 13G/A · Ownership disclosure

    0000899140-24-001260

  33. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000822818-24-000045

  34. 8-K · Current report

    Report date 2024-10-30 · 0000822818-24-000043 · Items 2.02,9.01

  35. 8-K · Current report

    Report date 2024-10-08 · 0000822818-24-000040 · Items 1.01,2.03,9.01

  36. 8-K · Current report

    Report date 2024-08-29 · 0000822818-24-000037 · Items 5.02,7.01,9.01

  37. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000822818-24-000035

  38. 8-K · Current report

    Report date 2024-07-31 · 0000822818-24-000032 · Items 2.02,9.01

  39. 8-K · Current report

    Report date 2024-06-28 · 0000822818-24-000028 · Items 1.01,2.03,9.01

  40. 8-K · Current report

    Report date 2024-05-22 · 0000822818-24-000023 · Items 5.02,5.07,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: 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: 1 transaction rows1PSale: 1 transaction rows1SGrant / award: 11 transaction rows11AExercise / conversion: 0 transaction rows0MTax / exercise payment: 1 transaction rows1FGift: 1 transaction rows1G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

15 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-01
2026-06-03
Diderich JeroenF · Tax / exercise payment
Disposed
Common Stock1717.0281.0
2026-05-26
2026-05-27
States LaurenS · Sale
Disposed
Common Stock789.0286.19
2026-05-20
2026-05-22
Polito KarynA · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
Reed Marcy L.A · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
States LaurenA · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
Welch John R.A · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
Quirk Alison A.A · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
Stewart Shelley JRA · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
Willett RobertA · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
Robertson AndreaA · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
GALANTE EDWARD GA · Grant / award
Acquired
Common Stock652.00.0
2026-05-20
2026-05-22
PRESTON JOHN TA · Grant / award
Acquired
Common Stock652.00.0
2026-05-11
2026-05-14 · Amendment
Polito KarynP · Purchase
Acquired
Common Stock460.0295.13
2026-05-11
2026-05-13
Polito KarynA · Grant / award
Acquired
Common Stock460.0295.13
2026-05-11
2026-05-12
Robertson AndreaG · Gift
Disposed
Common Stock342.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 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 · 0000822818CLEAN HARBORS INC

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

Legal Entity Identifier
5493000SJVZVZJKHJF48
GLEIF legal name
CLEAN HARBORS, INC.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2025-10-23T14:37:13Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Clean Harbors · alias · wikidata
Explore headquarters map ↗

Revenue in constant purchasing power

USD revenue expressed in 2026-07 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$5.89B$6.27B
2023-12-31$5.41B$5.93B
2022-12-31$5.17B$5.89B
2021-12-31$3.81B$4.69B
2020-12-31$3.14B$4.06B
2019-12-31$3.41B$4.46B
2018-12-31$3.30B$4.39B
2017-12-31$2.94B$4.01B

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗