---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-24-000011"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2024-03-25T23:59:59+00:00"
generated_at: "2026-06-04T08:53:20.229263+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors completes HEPACO acquisition for $400M; issues $500M term loan

## Summary
- Acquired HEPACO from Gryphon Investors for $400M cash; HEPACO had $270M revenue and $36M adj. EBITDA in 2023.
- Financed with $500M incremental Term Loans under existing Term Loan Agreement, maturing Oct 2028, SOFR+1.75%.
- Expects ~$20M annual cost synergies after first full year, implying 7.1x post-synergy acquisition multiple.
- HEPACO expected to add ~$30M Adjusted EBITDA in 2024; guidance to be updated on Q1 earnings call May 1.
- Both incremental and existing term loans total $1.48B; prepayable with 1% premium if repriced before Sep 22, 2024.

## SEC filing metadata
- accession: 0000822818-24-000011
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2024-03-25T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281824000011/0000822818-24-000011-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281824000011/clh-20240322.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-24-000011
- JSON: https://secwatch.observer/filing/0000822818-24-000011.json
- Plain text: https://secwatch.observer/filing/0000822818-24-000011.txt

## Key facts
- Debt Financings
  CLEAN HARBORS INC incurred term loan of $500.0 million with Goldman Sachs Lending Partners LLC at Term SOFR Rate plus 1.75% or Base Rate plus 0.75% maturing October 8, 2028.
  - Instrument: term loan
  - Principal: $500.0 million
  - Counterparty: Goldman Sachs Lending Partners LLC
  - Rate: Term SOFR Rate plus 1.75% or Base Rate plus 0.75%
  - Maturity: October 8, 2028
  - Event: incurrence
  source text: Incremental Facility Amendment No. 5 provided for the incurrence by the Company of additional Term Loans (the “2024 Incremental Term Loans”) under the Term Loan Agreement in the aggregate principal amount of $500.0 million on March 22, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281824000011/0000822818-24-000011-index.htm
- Material Agreements
  CLEAN HARBORS INC entered into Incremental Facility Amendment No. 5 with Goldman Sachs Lending Partners LLC, as administrative agent and collateral agent, and certain other financial institutions valued at $500.0 million (effective 2024-03-22).
  - Action: entry
  - Agreement: credit facility
  - Counterparty: Goldman Sachs Lending Partners LLC, as administrative agent and collateral agent, and certain other financial institutions
  - Value: $500.0 million
  - Effective: 2024-03-22
  source text: On March 22, 2024, Clean Harbors, Inc., (the “Company”) a Massachusetts corporation, and substantially all of the Company’s domestic subsidiaries as guarantors, entered into Incremental Facility Amendment No. 5, dated as of March 22, 2024 (“Incremental Facility Amendment No. 5”) to the Company’s existing Credit Agreement, dated as of June 30, 2017 (as previously amended and further amended by Incremental Facility Amendment No. 5, the “Term Loan Agreement”) with Goldman Sachs Lending Partners LLC, as administrative agent and collateral agent (the “Agent”), and certain other financial institutions.
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281824000011/0000822818-24-000011-index.htm

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