CLEAN HARBORS INC
CLH · Hazardous Waste Management
Latest available SEC filing: 10-Q ·
Latest disclosures
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Latest financial period: Q3 2026
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Gerstenberg Eric W: Form 4
Insider disclosure · Filed · Report period 14 Aug 2026
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- CLH · 184496107 - COMMON STOCK
Company details and SEC sources
CIK 0000822818 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- CLH on NYSE
- SEC industry group
- Hazardous Waste Management (Office of Energy and Transportation)
- Business address
- 42 Longwater Drive, P.O. Box 9149, Norwell, MA, 02061-9149
- Incorporated in
- MA
- Fiscal year end
- 31 December
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields