---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-25-000038"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2025-10-29T23:59:59+00:00"
generated_at: "2026-05-17T01:47:44.783475+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors Q3 revenue $1.55B, adj. EBITDA $320.2M (+6%); guides FY adj. EBITDA $1.155-1.175B, raises FCF guidance

## Summary
- Revenue $1.55B flat YoY; net income $118.8M ($2.21 EPS vs $2.12); adj. EBITDA $320.2M (+6%), margin 20.7% (up 100 bps).
- Technical Services +12%, Safety-Kleen Environmental +8%; incineration utilization 92% (ex. Kimball); landfill volumes +40%.
- FY2025 adj. EBITDA guided $1.155B-$1.175B (midpoint $1.165B, +4%); adj. FCF raised to $455M-$495M (+30%+).
- Announces $210M-$220M solvent de-asphalting facility for 600N base oil from VTAE byproduct; expected EBITDA $30M-$40M/yr, launch 2028.
- SKSS stable with 64M gallons waste oil collected; Q4 adj. EBITDA growth expected 6-8% YoY; remains on track for record annual EBITDA.

## SEC filing metadata
- accession: 0000822818-25-000038
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2025-10-29T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281825000038/0000822818-25-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281825000038/clh-20251029.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-25-000038
- JSON: https://secwatch.observer/filing/0000822818-25-000038.json
- Plain text: https://secwatch.observer/filing/0000822818-25-000038.txt

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