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.
Clean Harbors (CLH) co-CEO Eric W. Gerstenberg reported an open-market sale of 2,500 shares of common stock at a price of $279.86 per share. After this transaction, he directly held 43,020 shares. The filing classifies the move as a sale in the open market or a private transaction.
Eric Gerstenberg filed a Form 144 reporting a proposed sale of 601 common shares. The filing shows a reported trade date of
Clean Harbors Inc. executive chair and CTO Alan S. McKim reported indirect transactions in company common stock through related trusts. The McKim 2007 Trust, an entity associated with him, executed an open-market sale of 100,000 shares at $281.14 per share and a separate 10,000-share bona fide charitable gift.
After these transactions, the McKim 2007 Trust held 2,265,368 shares, while the McKim 2025 Annuity Trust held 67,093 shares and McKim held 34,027 shares directly. The filing reflects both a significant indirect sale and a charitable transfer rather than a purchase.
Issuer submitted a Form 144 notice indicating intent to sell 3,540 common shares on
Morgan Stanley Smith Barney LLC filed a Form 144 reporting proposed sales of restricted common stock held for issuance by the issuer. The filing lists specific grant lots and quantities, including 257 shares (07/01/2023), 195 shares (11/01/2023), 992 shares (07/01/2024) and others across 2023–2025.
Clean Harbors Inc. executive Gabriel M. Sharon, EVP/CIO (CHESI), reported an open-market sale of 3,540 shares of Clean Harbors common stock. The transaction took place on February 20, 2026 at an average price of $282.07 per share. After this sale, Sharon directly owns 23,193 shares of Clean Harbors common stock.
CLEAN HARBORS INC executive Eric J. Dugas, the EVP and Chief Financial Officer, sold Common Stock in an open-market transaction. He sold 2,788 shares at a price of
Clean Harbors Inc. director John R. Welch sold 750 shares of common stock in an open-market transaction at a price of $273.07 per share. After this sale, he directly owned 10,237 shares of Clean Harbors common stock.
CLH filing reports a proposed sale of 100,000 common shares under a Form 144. The shares are described with acquisition records including
The filing lists broker details as Goldman Sachs & Co. LLC at 200 West Street, New York and identifies the exchange as NYSE.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice reporting a sale notice for 750 common shares of CLH with an aggregate value of $204,806.25 dated 02/19/2026. The shares are listed on the NYSE.
The filing lists restricted stock lots acquired 06/07/2019 (332 shares) and 06/08/2020 (418 shares); these acquisition dates and amounts are shown as background details in the excerpt.