CLEAN HARBORS INC (CLH) Historical Stock Prices
CLEAN HARBORS INC (CLH) is a publicly traded company on the NYSE, categorized under SIC 4955 (Hazardous Waste Management). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: CLH
CIK: 822818
Exchange: NYSE
SIC 4955: Hazardous Waste Management
Fiscal Year End: 12/31
State: MA
Independent PCAOB Auditor
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Audit Firm
Deloitte & Touche LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerJames Pickette
Audit LocationBoston, Massachusetts, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-10-05 | 2026-10-01 | 8-K | 0000822818-26-000042 | View SEC Doc Filr Page |
| 8-K | 2026-09-18 | 2026-09-17 | 8-K | 0000822818-26-000040 | View SEC Doc Filr Page |
| 4 | 2026-08-18 | 2026-08-14 | 4 Filing | 0001211558-26-000020 | View SEC Doc Filr Page |
| 144 | 2026-08-14 | — | 144 Filing | 0001974078-26-000306 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-07-01 | 4/A Filing | 0001211558-26-000018 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-03-18 | 4/A Filing | 0001211558-26-000016 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-03-13 | 4/A Filing | 0001211558-26-000014 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-02-23 | 4/A Filing | 0001211558-26-000012 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-07-01 | 4/A Filing | 0001663307-26-000014 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-03-13 | 4/A Filing | 0001663307-26-000012 | View SEC Doc Filr Page |
| 4/A | 2026-08-14 | 2026-02-20 | 4/A Filing | 0001663307-26-000010 | View SEC Doc Filr Page |
| 8-K | 2026-08-12 | 2026-08-12 | 8-K | 0000822818-26-000037 | View SEC Doc Filr Page |
| 4 | 2026-08-12 | 2026-07-01 | 4 Filing | 0001379357-26-000008 | View SEC Doc Filr Page |
| 4 | 2026-08-11 | 2026-07-01 | 4 Filing | 0001216581-26-000006 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-06 | — | SCHEDULE 13G Filing | 0000315066-26-001961 | View SEC Doc Filr Page |
| 144 | 2026-08-03 | — | 144 Filing | 0001950047-26-007480 | View SEC Doc Filr Page |
| 4 | 2026-08-03 | 2026-08-03 | 4 Filing | 0001295248-26-000005 | View SEC Doc Filr Page |
| 10-Q | 2026-07-29 | 2026-06-30 | 10-Q | 0000822818-26-000034 | View SEC Doc Filr Page |
| 8-K | 2026-07-29 | 2026-07-29 | 10-Q | 0000822818-26-000031 | View SEC Doc Filr Page |
| 4 | 2026-07-20 | 2026-07-17 | 4 Filing | 0001024547-26-000012 | View SEC Doc Filr Page |
| 4 | 2026-07-06 | 2026-07-01 | 4 Filing | 0001756568-26-000010 | View SEC Doc Filr Page |
| 4 | 2026-07-06 | 2026-07-01 | 4 Filing | 0001322710-26-000006 | View SEC Doc Filr Page |
| 4 | 2026-07-06 | 2026-07-01 | 4 Filing | 0001990612-26-000006 | View SEC Doc Filr Page |
| 4 | 2026-07-06 | 2026-07-01 | 4 Filing | 0001024547-26-000010 | View SEC Doc Filr Page |
| 4 | 2026-07-06 | 2026-07-01 | 4 Filing | 0001211558-26-000010 | View SEC Doc Filr Page |