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, 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 reported record first-quarter 2026 revenue of $1.46 billion, modestly above the prior year. Income from operations rose to $118.9 million, while net income increased to $63.2 million, or $1.19 per diluted share, up from $1.09 a year earlier.
Adjusted EBITDA grew 6% to $247.9 million, with margin improving to 17.0% from 16.4%, reflecting higher profitability in both Environmental Services and Safety-Kleen Sustainability Solutions. The ES segment benefited from higher disposal, PFAS-related work and strong landfill volumes, while SKSS saw better charge‑for‑oil pricing and stronger base oil prices.
The company raised its full‑year 2026 outlook, now expecting Adjusted EBITDA of $1.24 billion to $1.30 billion and adjusted free cash flow of $490 million to $550 million. Despite these improvements, adjusted free cash flow for the quarter was a negative $75.8 million, largely due to significant capital spending and growth investments.
Clean Harbors, Inc. is holding its 2026 annual shareholder meeting on May 20, 2026 at 10:00 a.m. local time in Norwell, Massachusetts. Shareholders will vote to elect four Class I directors to serve until the 2029 meeting, hold a non-binding advisory vote on executive compensation, and ratify Deloitte & Touche LLP as independent auditor for the year ending December 31, 2026.
Shareholders of record at the close of business on March 23, 2026, when 53,313,462 common shares were outstanding, are entitled to vote. The company uses a “notice and access” system for proxy materials and emphasizes that brokers cannot vote on director elections or say‑on‑pay without specific instructions from beneficial owners.
Clean Harbors Inc. ownership filing: The Vanguard Group amended its Schedule 13G/A to report 0 shares beneficially owned, representing 0% of the common stock, following an internal realignment dated January 12, 2026. The amendment states certain Vanguard subsidiaries will report holdings separately in reliance on SEC Release No. 34-39538.
Clean Harbors CO-CEO Eric W. Gerstenberg reported an open-market sale of 1,000 shares of Common Stock at $293 per share. After this transaction, he directly owns 38,877 shares. The sale represents a relatively small portion of his reported holdings and appears routine in scale.
Clean Harbors Inc. director Marcy L. Reed reported an open-market sale of 836 shares of Common Stock on March 18, 2026 at an average price of $287.94 per share. After this transaction, Reed directly holds 5,081 shares of Clean Harbors common stock.
CLH reports proposed sales of Common Stock by holders and an issuer equity‑comp transaction. The filing lists sales by Eric Gerstenberg of $699,650.00 for 2,500 shares on 02/23/2026 and $144,781.00 for 601 shares on 12/16/2025. The excerpt also shows a 1,000-share equity compensation entry dated 02/01/2026.
CLH reported a proposed sale under Form 144 of restricted common stock to be handled through Morgan Stanley Smith Barney LLC. The filing lists multiple restricted-share lots with example amounts, including 1,022 shares dated 03/15/2026 and 1,430 shares dated 02/01/2026.
The broker is shown as Morgan Stanley Smith Barney LLC and the filing references NYSE with an entry dated 03/17/2026. The excerpt lists additional restricted-share lots (1,129; 79; 1,023) with their grant dates. This notice reports proposed insider sales; timing and total aggregate amount are not stated in the provided excerpt.