---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-006406"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2023-01-25T23:59:59+00:00"
generated_at: "2026-06-20T10:08:00.170727+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors issues $500M of 6.375% senior notes due 2031 to refinance term loans

## Summary
- Issued $500M aggregate principal of 6.375% senior notes due 2031; net proceeds ~$493M.
- Used proceeds plus $114M revolver draw and cash on hand to repay $614M term loans due 2024.
- Notes unsecured, rank equally with senior unsecured debt, guaranteed by domestic subsidiaries.
- Notes mature Feb 1, 2031; interest payable semi-annually starting Aug 1, 2023.
- Redemption prices: 103.188% in 2026, 101.594% in 2027, 100% thereafter.

## SEC filing metadata
- accession: 0001104659-23-006406
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2023-01-25T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000110465923006406/0001104659-23-006406-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000110465923006406/tm234313d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-006406
- JSON: https://secwatch.observer/filing/0001104659-23-006406.json
- Plain text: https://secwatch.observer/filing/0001104659-23-006406.txt

## Key facts
- Material Agreements
  CLEAN HARBORS INC entered into 2031 notes indenture with U.S. Bank Trust Company, National Association valued at $500.0 million (effective 2023-01-24).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: U.S. Bank Trust Company, National Association
  - Value: $500.0 million
  - Effective: 2023-01-24
  source text: On January 24, 2023, the closing date under the purchase agreement dated January 17, 2023 which Clean Harbors, Inc. (the “Company”) announced on January 17, 2023, the Company issued and sold to the initial purchasers named in such agreement, for which Goldman Sachs & Co. LLC is acting as representative, $500.0 million aggregate principal amount of the Company’s 6.375% unsecured senior notes due 2031 (the “new notes”) pursuant to an indenture dated as of January 24, 2023 (the “2031 notes indenture”), among the Company, as issuer, substantially all of the Company’s domestic subsidiaries, as guarantors, and U.S. Bank Trust Company, National Association, as trustee.
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000110465923006406/0001104659-23-006406-index.htm

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