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.
Clean Harbors, Inc. SEC filings document formal disclosures for an environmental and industrial services company operating through Environmental Services and Safety-Kleen Sustainability Solutions. Form 8-K reports furnish operating and financial results, including segment performance, revenue, operating income, adjusted EBITDA, cash flow, guidance and share repurchase activity tied to hazardous waste management, industrial services, recycling and used-oil re-refining.
The company’s filings also cover capital-structure and governance matters. Material-event filings describe debt financing activity, including senior notes due 2033 and related refinancing arrangements. Proxy statements document board and shareholder voting matters, executive compensation, pay-versus-performance disclosures and other governance information for Clean Harbors’ public-company structure.
Clean Harbors Inc. co-CEO Michael Louis Battles reported routine share disposals tied to compensation, not open-market trading. On 2026-03-13, 1,148 shares of Common Stock were withheld at $288.93 per share to cover tax liabilities upon vesting. On the same date, 2,166 restricted shares were returned to the company after performance targets under its Long Term Equity Incentive Program were not achieved. Following these dispositions, Battles directly holds 95,387 Common Stock shares, which the filing notes includes 15 shares acquired through the Clean Harbors Employee Stock Purchase Plan.
Clean Harbors executive Alan S. McKim, through the McKim 2007 Trust, reported an open-market sale of 100,000 shares of Clean Harbors common stock at $292.65 per share on March 4, 2026. After this sale, the McKim 2007 Trust held 2,065,368 shares. Separate from this, indirect holdings included 67,093 shares in the McKim 2025 Annuity Trust and 100,000 shares in the McKim 2026 Annuity Trust, while McKim directly held 34,027 shares of common stock.
CLEAN HARBOR HOLDINGS, INC. (CLH) submitted a Rule 144 notice reporting proposed sales of common stock by affiliated trusts. The filing lists a sale of 100,000 shares by the Alan S. McKim 2007 Trust dtd 04/04/2007 and 8,567 shares by the McKim Family 2025 Bequest Trust dtd 09/05/2025, both with trade date 02/19/2026. The second entry shows proceeds of $2,406,803.56 for the 8,567-share transaction.
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 12/16/2025 with proceeds of $144,675 and identifies Raymond James & Associates as the broker. The notice lists the security class as common stock for CLH.
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 02/20/2026 through Morgan Stanley Smith Barney LLC. The filing lists multiple restricted stock lots with specific grant/vesting dates and quantities, including 973, 475, 424, 524, 89, 516, and 539 shares.
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 $281.31 per share on February 20, 2026. After this sale, he directly owned 15,933 shares of CLEAN HARBORS INC common stock.