Every 10-Q that Clean Harbors Inc (CLH) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-Q covers the quarterly report filed between annual reports, so if you follow CLH and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CLH filings page.
Clean Harbors, Inc. delivered strong Q2 2026 results, with total direct revenues of 1,735,005 (in thousands), up 11.9% year over year, and six‑month direct revenues of 3,194,542 (in thousands), up 7.1%. Q2 net income rose to 170,464 (in thousands) and six‑month net income to 233,665 (in thousands), increases of 34.3% and 25.9% versus 2025, driving diluted EPS of $3.22 for the quarter and $4.41 year‑to‑date.
Adjusted EBITDA grew 21.6% in Q2 to 409,024 (in thousands) and 15.0% year‑to‑date to 656,878 (in thousands), with Adjusted EBITDA margin expanding 190 and 140 basis points, helped by higher pricing, PFAS‑related project work and improved Safety‑Kleen Sustainability Solutions oil product spreads. Environmental Services revenues grew 7.7% in Q2 on higher Technical Services, Safety‑Kleen core services and emergency response work, while SKSS revenues increased 40.8% on stronger base and blended oil pricing and higher‑priced used‑oil collection.
Net cash from operating activities for the first half rose to 245,470 (in thousands), supporting significant capital spending and acquisitions. During 2026 the company closed the all‑cash $225.8 million Terra Nova Solutions acquisition, the $131.8 million Depot Connect environmental businesses acquisition and the $30 million Western Oil purchase, and signed a purchase agreement to acquire ES&H for approximately $305 million, to be funded with a combination of available cash and debt financing. Cash and cash equivalents ended at 408,357 (in thousands), with long‑term debt at 2,786,100 (in thousands) at par and no outstanding loan balance under the $600.0 million revolving credit facility.
Clean Harbors, Inc. reported modestly higher results for the quarter ended March 31, 2026. Direct revenues reached $1.46 billion, up from $1.43 billion a year earlier, driven by growth in Environmental Services, partly offset by lower Safety-Kleen Sustainability Solutions (SKSS) revenues.
Net income rose to $63.2 million from $58.7 million, with diluted EPS of $1.19 versus $1.09. Adjusted EBITDA increased to $247.9 million, or 17.0% of direct revenues. Environmental Services revenues grew 3.6%, helped by higher Technical Services, Safety-Kleen core services, and emergency response work, while SKSS revenues declined 7.1% due mainly to lower pricing on base and blended oil products.
Operating cash flow was $6.3 million, and adjusted free cash flow was an outflow of $75.8 million, reflecting $98.4 million of capital spending and early-year working capital use. The company closed a $131.8 million acquisition of certain Depot Connect International environmental businesses and ended the quarter with $669.0 million in cash and marketable securities against $2.79 billion of long-term debt.
Clean Harbors (CLH) reported Q3 2025 results with total revenues of $1,549,337 thousand, slightly above last year. Income from operations was $193,009 thousand and net income was $118,799 thousand, resulting in diluted EPS of $2.21. Service revenues grew year over year, while product revenues declined.
Segment mix showed Environmental Services at $1,318,580 thousand and Safety‑Kleen Sustainability Solutions at $230,757 thousand. Within SKSS, Safety‑Kleen Oil revenue was $154,156 thousand versus $182,001 thousand a year ago.
Cash and balance sheet: cash and cash equivalents were $759,197 thousand; net cash from operating activities for the first nine months was $511,632 thousand. Long‑term debt (carrying value) was $2,764,231 thousand.
Post‑quarter financing: the company issued $745,000 thousand of 5.750% senior notes due 2033 and entered into $1,260,000 thousand of new term loans to refinance existing secured term loans and intends to redeem $545,000 thousand of 4.875% notes due 2027. Shares outstanding were 53,431,835 as of October 24, 2025.
Clean Harbors (CLH) Q2-25 10-Q Highlights
- Revenue flat at $1.55 bn (-0.2% YoY); 6M-25 up 1.8% to $2.98 bn.
- Net income down 4.8% to $126.9 m; diluted EPS $2.36 vs $2.46. 6M-25 earnings fell 8.6% to $185.6 m.
- Segment mix: Environmental Services rose 2.5% to $1.33 bn, offset by a 14% drop in Safety-Kleen Sustainability Solutions (SKSS) to $219.7 m as base-oil pricing softened.
- Margins: Operating margin slipped 30 bp to 13.6%; cost discipline partially offset weaker product pricing. SG&A decreased 5.9% YoY.
- Balance sheet: Cash $600 m (-$87 m YTD) after $208.7 m capex and $67 m share buybacks. Net debt essentially unchanged at $2.17 bn; leverage ∼2.1× EBITDA (based on trailing twelve-month figures).
- Equity climbed 5.4% to $2.71 bn, helped by earnings and FX gains.
- Cash flow: Operating cash inflow $209.6 m (-11% YoY); FCF negative as heavy growth capex continued (new incinerator build, fleet additions).
- Acquisitions: Finalized purchase accounting for 2024 HEPACO ($392 m) and Noble Oil ($68.7 m); goodwill now $1.48 bn.
- Regulation & tax: Newly enacted U.S. tax law (One Big Beautiful Bill Act) expected to have no material impact.
Overall, Q2 shows resilient service demand but product-linked SKSS weakness and higher depreciation lowered profitability; liquidity and leverage remain solid.