The page is the record's research on the issuer — no analyst, no rating, no view.

# CLEAN HARBORS INC (NYSE: CLH) — research page

As of 2026-11-08 · us-cm-kg · record version 1

## Identity and listing

The issuer is CLEAN HARBORS INC, listed on the NYSE under ticker CLH, with ISIN US1844961078 and LEI 5493000SJVZVZJKHJF48. Its security type is Corporate and its sector is 4955 Hazardous Waste Management. Its jurisdiction is United States, Massachusetts. Segment is not on the record. The issuer is listed and not halted.

## The disclosure read

The record holds 109 filings in the twelve months to 2026-11-08, across 46 filing days. The median gap between filing days is 5 days. The latest filing is dated 2026-11-03, 5 days before the record date, and is of type directors_dealings. The NYSE median is 6.0 days for cadence, 4.0 days for latency, 64.0 filings, across 3256 issuers. The sector median is not stated, as the node holds fewer than five issuers.

## Auditor

The auditor of record is Deloitte & Touche LLP, located in Boston, Massachusetts. The record holds no auditor changes.

## Events and halts

The record holds no listing, delisting, name change or segment move lines. A domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The issuer is listed and not halted.

## Orderability

The outcome cannot be determined. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.

## Coverage

No research houses were found on the issuer's investor-relations pages read.

## Open research

No openly published research notes were found on the record.

## Licensed

Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.

## As-of depth

The issuer's years sealed are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.

## Sources

9 source pages are named on this page; every value above carries its own source page and read date in the numbers.

- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- https://data.sec.gov/submissions/CIK0000822818.json (identity.jurisdiction)
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- https://mcp.us-cm-kg.ai/events/NYSE/CLH (the disclosure lines)
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- https://www.sec.gov/Archives/edgar/data/822818/000082281826000009/clh-20251231.htm (the auditor)
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.us-cm-kg.ai/record/NYSE/CLH (the record)

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