---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-23-000035"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2023-05-24T23:59:59+00:00"
generated_at: "2026-06-14T16:48:05.065005+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors shareholders elect four Class I directors, approve say-on-pay, ratify auditor at 2023 annual meeting

## Summary
- Edward G. Galante, Alison A. Quirk, Shelley Stewart Jr., and John R. Welch elected as Class I directors for three-year terms.
- Say-on-pay approved with 44,463,494 votes for, 3,007,613 against, and 219,555 abstentions.
- Advisory vote on frequency of say-on-pay: every year selected (46,059,982 votes); future advisory votes will be held annually.
- Ratification of Deloitte & Touche LLP as independent auditor passed with 49,153,467 votes for, 436,626 against, 34,480 abstentions.

## SEC filing metadata
- accession: 0000822818-23-000035
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2023-05-24T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281823000035/0000822818-23-000035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281823000035/clh-20230524.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-23-000035
- JSON: https://secwatch.observer/filing/0000822818-23-000035.json
- Plain text: https://secwatch.observer/filing/0000822818-23-000035.txt

## Key facts
- Shareholder Votes
  CLEAN HARBORS INC shareholders approved Advisory vote on executive compensation at the 2023-05-24 meeting.
  - Proposal: say on pay
  - Outcome: passed
  - Meeting: 2023-05-24
  source text: Advisory vote on executive compensation. For Against Abstain Broker Non-Votes 44,463,494 3,007,613 219,555 1,933,911
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000035/0000822818-23-000035-index.htm
- Shareholder Votes
  CLEAN HARBORS INC shareholders approved Election of Class I directors for a term expiring in 2026 at the 2023-05-24 meeting.
  - Proposal: director election
  - Outcome: passed
  - Meeting: 2023-05-24
  source text: Votes regarding the election of the persons named below as Class I directors for a term expiring in 2026: For Withheld Broker Non-Votes Edward G. Galante 44,006,922 3,683,740 1,933,911 Alison A. Quirk 47,398,905 291,757 1,933,911 Shelley Stewart, Jr. 47,565,800 124,862 1,933,911 John R. Welch 44,767,986 2,922,676 1,933,911
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000035/0000822818-23-000035-index.htm
- Shareholder Votes
  CLEAN HARBORS INC shareholders approved Ratification of selection of Deloitte & Touche LLP as independent registered public accounting firm for fiscal year at the 2023-05-24 meeting.
  - Proposal: auditor ratification
  - Outcome: passed
  - Meeting: 2023-05-24
  source text: Vote to ratify the selection by the Audit Committee of the Company’s Board of Directors of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the current fiscal year. For Against Abstain Broker Non-Votes 49,153,467 436,626 34,480 0
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000035/0000822818-23-000035-index.htm
- Shareholder Votes
  CLEAN HARBORS INC shareholders approved Advisory vote on frequency of future advisory votes on executive compensation at the 2023-05-24 meeting.
  - Proposal: say on pay frequency
  - Outcome: passed
  - Meeting: 2023-05-24
  source text: Advisory vote on frequency of future advisory votes on executive compensation Every Year Every Two Years Every Three Years Abstain Broker Non-Votes 46,059,982 7,472 1,518,423 104,785 1,933,911
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000035/0000822818-23-000035-index.htm

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