---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-23-000011"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2023-03-01T23:59:59+00:00"
generated_at: "2026-06-18T19:30:48.891549+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors appoints Eric Dugas as EVP and CFO; Brian Weber to lead Safety-Kleen Sustainability Solutions

## Summary
- Eric Dugas, current CAO, named EVP and CFO effective March 31, 2023; base salary $425,000.
- Michael Battles becomes co-CEO with COO Eric Gerstenberg on same date.
- Brian Weber promoted to EVP and President of Safety-Kleen Sustainability Solutions effective April 1, 2023; base salary $550,000.
- Dugas joined Clean Harbors in 2014, previously at Deloitte; Weber has been with company since 1990.
- Both executives eligible for cash bonuses under SEIP and MIP, and long-term incentive plan.

## SEC filing metadata
- accession: 0000822818-23-000011
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2023-03-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01, 6.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281823000011/0000822818-23-000011-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281823000011/clh-20230301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-23-000011
- JSON: https://secwatch.observer/filing/0000822818-23-000011.json
- Plain text: https://secwatch.observer/filing/0000822818-23-000011.txt

## Key facts
- Executive change
  Brian Weber was appointed as EVP and President, Safety-Kleen Sustainability Solutions at CLEAN HARBORS INC.
  - Action: promoted
  - Role: EVP and President, Safety-Kleen Sustainability Solutions
  source text: Brian Weber has been promoted to EVP and President, Safety-Kleen Sustainability Solutions effective April 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000011/0000822818-23-000011-index.htm
- Executive change
  Eric J. Dugas was appointed as Executive Vice President and Chief Financial Officer at CLEAN HARBORS INC.
  - Action: appointed
  - Role: Executive Vice President and Chief Financial Officer
  source text: Eric J. Dugas, currently the Company's Senior Vice President, Finance and Chief Accounting Officer has been appointed Executive Vice President ("EVP") and Chief Financial Officer effective March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000011/0000822818-23-000011-index.htm

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