Clean Harbors, Inc. — Form 8-K Summary
Reporting context: The filing reports a financing transaction dated October 1, 2026, and announces completion of the ES&H and EnviroServe acquisitions. Clean Harbors provides environmental and waste management services. This is an event-driven filing, not a periodic report; it does not present operating results for a reporting quarter or year.
Financing and key financial terms
| Item | Reported terms |
|---|---|
| Senior notes issued | $600.0 million aggregate principal amount |
| Interest rate and maturity | 6.250% per annum; due September 30, 2034 |
| Interest payments | Semiannual, in arrears, on March 31 and September 30, beginning March 31, 2027 |
| Use of proceeds | $470 million of net proceeds was used to finance the EnviroServe purchase price. The remainder is intended to repay revolving-credit borrowings used to partially fund the ES&H acquisition. The filing does not state the exact remaining amount or net proceeds after fees. |
| Debt status | Senior unsecured obligations, guaranteed by substantially all domestic subsidiaries |
The filing provides no revenue, profit, cash flow, margin, liquidity, or other operating performance figures, and no comparable-period metrics.
Acquisitions and changes
- ES&H acquisition closed September 18, 2026; revolving-credit borrowings partially financed its purchase price.
- EnviroServe acquisition closed October 2, 2026. The filing describes EnviroServe as a national environmental and waste management services provider.
- The October 5, 2026 press release announced completion of both acquisitions. No purchase prices, acquired financial results, or expected synergies are provided in the filing text.
- No prior-period comparison or quantified pro forma impact is disclosed.
Terms, risks, and outlook
- The indenture restricts certain additional debt and preferred stock, dividends and other restricted payments, investments, liens, asset transfers, subsidiary distributions, mergers, affiliate transactions, and designation of unrestricted subsidiaries. These covenants are subject to exceptions and limitations; certain covenants, including the debt-incurrence restriction, cease to apply while the notes have investment-grade ratings from two specified rating agencies.
- A change-of-control triggering event may require an offer to repurchase notes at 101% of principal plus accrued interest. Certain asset sales may also trigger a purchase offer.
- Before September 30, 2029, the company may redeem notes at par plus a make-whole premium; it may also redeem up to 40% using qualifying equity-offering proceeds at 106.250% of principal. Thereafter, specified redemption prices apply.
- Customary events of default include payment defaults, covenant breaches, certain other debt defaults, insolvency events, certain unpaid judgments, and certain guarantee failures.
- The notes were issued in an unregistered offering to qualified institutional buyers under Rule 144A and to non-U.S. persons under Regulation S. The filing provides no business guidance or management outlook.
Key facts for investors to verify
- Final net proceeds and the amount of revolving-credit debt repaid, including any remaining revolver balance and financing costs.
- Acquisition purchase prices, funding mix, acquired financials, and expected effects on earnings, cash flow, and leverage.
- Applicable redemption prices, covenant definitions and exceptions, and the ratings conditions in the full indenture and note.
- Subsequent filings for pro forma results, integration costs, and updated liquidity and debt metrics.