Welcome to our dedicated page for Clean Harbors SEC filings (Ticker: CLH), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Clean Harbors, Inc. (NYSE: CLH) SEC filings page on Stock Titan provides direct access to the company’s regulatory disclosures, along with AI-assisted summaries to help interpret key points. Clean Harbors is a Massachusetts corporation and a self-described leading provider of environmental and industrial services, with operations in the United States, Canada, Mexico, Puerto Rico and India. Its filings with the U.S. Securities and Exchange Commission offer detailed insight into the business, capital structure and risk profile.
Investors can use this page to review annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe segment performance for Environmental Services and Safety-Kleen businesses, including Safety-Kleen Sustainability Solutions. These reports also discuss hazardous waste management, industrial services, used oil re-refining, PFAS-related activities and the wide range of risks the company identifies, from operational and safety issues to regulatory and financial considerations.
Current reports on Form 8-K document material events such as quarterly earnings announcements, senior notes offerings, amendments to credit agreements and other significant developments. For example, Clean Harbors has filed 8-Ks describing the issuance of 5.750% senior notes due 2033, amendments to its term loan credit facility and the release of financial results for specific quarters.
Through this page, users can also track debt and capital structure disclosures, including indentures and credit agreements referenced in exhibits to 8-K filings. Stock Titan’s AI tools summarize complex legal and financial language, highlighting items such as covenant packages, maturity profiles and redemption features, so readers can quickly understand how new financings affect Clean Harbors’ obligations.
In addition, this resource can surface insider transaction filings (Form 4) when available, giving a view into equity transactions by directors and officers. Combined with real-time updates from EDGAR and AI-generated explanations, the Clean Harbors filings page is designed to make the company’s regulatory record more accessible to investors, analysts and anyone researching CLH.
A holder of the issuer’s common stock filed a notice to sell 601 shares through broker Raymond James & Associates on the NYSE, with an approximate sale date of 12/15/2025 and an aggregate market value of $145,000.00.
The securities are common stock that were acquired on 07/01/2025 from the issuer as equity compensation, with payment on that same date in equity. The issuer reports that 53,431,835 shares of this class are outstanding.
The notice states that the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, and it reminds filers that intentional misstatements or omissions can constitute federal criminal violations.
Clean Harbors Inc. executive vice president (CHESI) reported a charitable gift of company stock. On 12/09/2025, the officer made a Form 4 filing showing a disposition of 1,000 shares of Clean Harbors common stock coded as a charitable gift, at a reported price of $0. After this transaction, the officer directly beneficially owns 47,664 shares of Clean Harbors common stock.
Clean Harbors Inc. executive reports small share withholding for taxes. An officer of CLEAN HARBORS INC (CLH), serving as EVP, EHS, reported a Form 4 transaction dated 12/01/2025. The filing shows a disposition of 122 shares of common stock at $228.54 per share, coded as transaction type “F,” which the notes explain was a share withholding to cover tax liabilities on vesting equity under Rule 16b-3.
Following this tax-related transaction, the reporting person directly beneficially owns 5,801 shares of Clean Harbors common stock. This type of event is a routine administrative adjustment tied to equity compensation rather than an open-market purchase or sale.
Clean Harbors (CLH) reported an insider transaction by director Lauren States. On 11/13/2025, she made a bona fide charitable gift (Code G) of 245 shares of common stock at $0, lowering her directly owned stake to 11,496 shares after the transaction. This was a non-cash transfer and reflects a personal donation rather than an open-market trade.
Clean Harbors, Inc. (CLH) reported an insider transaction by its EVP, Industrial Services. On 11/01/2025, the officer had 294 shares withheld at $210.51 per share to cover taxes upon vesting, coded “F” under Rule 16b-3.
Following the transaction, the officer beneficially owned 8,842 shares directly. This filing reflects administrative share withholding for tax purposes rather than an open-market trade.
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, Inc. filed a Form 8-K to report that it released its financial results for the third quarter ended September 30, 2025. On October 29, 2025, the company issued a press release detailing its results of operations and financial condition for this period.
The press release is furnished as Exhibit 99.1 to the Form 8-K, meaning the detailed quarterly figures and commentary are contained in that exhibit rather than in the body of the report.
Clean Harbors, Inc. entered into a major refinancing, issuing
The new notes are senior unsecured, guaranteed by most domestic subsidiaries, pay 5.750% interest semi-annually and mature on
Clean Harbors, Inc. reported that on September 25, 2025 it began a private offering of senior notes due 2033. The notes are being offered to institutional investors in the United States who qualify under Rule 144A of the Securities Act and to certain non-U.S. investors in offshore transactions under Regulation S.
The company also announced the pricing of this previously launched offering of 5.750% senior notes due 2033. Two related press releases, one covering the launch and one the pricing, are included as exhibits to this report. The company states that this report and the press releases do not constitute an offer to sell or a solicitation of an offer to buy the notes.
Alan S. McKim, Executive Chairman and CTO of Clean Harbors, reported multiple dispositions of Common Stock on 09/16/2025 coded as G (gifts) at a reported price of $0. Reported disposals were 8,567, 4,283 and 34,027 shares. The filing shows continued indirect beneficial ownership positions, including 2,346,744 and 2,342,461 shares via the McKim 2007 Trust and 100,000 shares via the McKim 2025 Annuity Trust. The form was signed by an attorney-in-fact on 09/17/2025.