---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-23-000004"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2023-01-18T23:59:59+00:00"
generated_at: "2026-06-20T14:22:45.565938+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors prices $500M 6.375% senior notes due 2031 to repay $614M term loans

## Summary
- Issued $500M aggregate principal of 6.375% senior notes due 2031 at 100% of par.
- Net proceeds plus $114M revolver draw and cash to repay $614M secured term loans due 2024.
- Offering expected to close on or about January 24, 2023, subject to customary conditions.
- Notes sold via private placement under Rule 144A/Reg S; not registered under Securities Act.

## SEC filing metadata
- accession: 0000822818-23-000004
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2023-01-18T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281823000004/0000822818-23-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281823000004/clh-20230117.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-23-000004
- JSON: https://secwatch.observer/filing/0000822818-23-000004.json
- Plain text: https://secwatch.observer/filing/0000822818-23-000004.txt

## Key facts
- Material Agreements
  CLEAN HARBORS INC entered into note purchase agreement with Goldman Sachs & Co. LLC valued at $500.0 million (effective 2023-01-17).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: Goldman Sachs & Co. LLC
  - Value: $500.0 million
  - Effective: 2023-01-17
  source text: On January 17, 2023, Clean Harbors, Inc. (the “Company”) entered into a purchase agreement (the “note purchase agreement”), between the Company, the Company’s domestic subsidiaries as guarantors, and Goldman Sachs & Co. LLC, as the representative of the initial purchasers named therein (the “initial purchasers”). Pursuant to the note purchase agreement, the initial purchasers have agreed to purchase, and the Company has agreed to issue and sell, $500.0 million aggregate principal amount of 6.375% senior notes due 2031 (the “notes”), which the initial purchasers have agreed to purchase for purposes of resale to investors in an offering exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000004/0000822818-23-000004-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.