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, Inc. files its annual report describing a large North American environmental and industrial services platform spanning hazardous waste management, industrial cleaning and Safety-Kleen Sustainability Solutions.
The company operates over 100 waste facilities, including ten hazardous waste incinerators with 631,721 tons of annual practical capacity and seven landfills with 33.0 million cubic yards of remaining hazardous capacity as of December 31, 2025. In 2025 it collected 243 million gallons of used oil for re-refining into base oils, lubricants and byproducts.
Clean Harbors reports strong safety performance, with a 2025 Total Recordable Incident Rate of 0.49 and DART rate of 0.23, its best in company history. It generated $5,490.9 million of third‑party revenue in the United States and $540.0 million in Canada and employed 22,155 full‑time staff, supported by extensive compliance, insurance and risk‑management programs.
Clean Harbors reported strong fourth-quarter and full-year 2025 results, highlighted by record annual revenues of $6.03 billion and Adjusted EBITDA of $1.17 billion. Net income for 2025 was $391.0 million, or $7.28 per diluted share, while adjusted free cash flow reached a record $509.3 million.
The company repurchased $250 million of stock in 2025 and its Board authorized a $350 million expansion of the buyback program, restoring $600 million of availability. Clean Harbors also signed an agreement to acquire certain Depot Connect International businesses for approximately $130 million, expected to add about $40 million of revenue and $11 million of Adjusted EBITDA annually.
For 2026, Clean Harbors projects Adjusted EBITDA between $1.20 billion and $1.26 billion, based on anticipated GAAP net income of $410 million to $461 million, and adjusted free cash flow between $480 million and $540 million, supported by projected net cash from operating activities of $820 million to $940 million.
D1 Capital Partners L.P. and Daniel Sundheim report beneficial ownership of 2,781,882 shares of Clean Harbors common stock, representing 5.2% of the outstanding class. The stake is held through an investment vehicle managed by D1 Capital Partners.
The ownership percentage is based on 53,431,835 Clean Harbors common shares reported outstanding as of October 24, 2025. The reporting persons state that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Clean Harbors.
Wellington Management Group and related entities filed an amended Schedule 13G reporting beneficial ownership of 5,182,538 shares of Clean Harbors, Inc. common stock, representing 9.7% of the class as of the stated event date.
The filing shows shared voting power over 4,325,963 shares and shared dispositive power over 5,182,538 shares for several Wellington entities, with no sole voting or dispositive power. The securities are held of record by investment-advisory clients, none of which individually holds more than five percent of the class.
Wellington certifies the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Clean Harbors.
Clean Harbors, Inc. co-CEO and director Michael Louis Battles reported routine equity compensation activity. On 02/01/2026 he received two grants of common stock: 10,290 performance-based restricted shares and 10,690 time-based restricted shares, both at a reported price of $0 per share.
On 02/02/2026, 5,205 shares were withheld at $259.91 per share to satisfy tax liabilities tied to vesting, in accordance with Rule 16b-3. After these transactions, Battles directly beneficially owned 98,686 shares of Clean Harbors common stock.
Clean Harbors executive Brian P. Weber reported several equity transactions in company stock. On 02/02/2026, 1,394 shares of common stock were withheld at $259.91 per share to cover tax liabilities related to vesting, leaving 52,018 directly owned shares after that transaction.
On 02/01/2026, he received 3,166 performance-based restricted shares and 1,056 time-based restricted shares at no cost. The performance award is scheduled to vest 50% on 3/15/2028 and 50% on 3/15/2029, subject to goals for the 2027 performance period. The time-based award vests in four equal annual installments starting February 1, 2027. Following these grants, Weber directly owns 56,240 common shares.
Clean Harbors, Inc. executive Rebecca Underwood, President & EVP Facilities, reported routine equity activity in company common stock. On February 1, 2026, she received 2,513 performance-based restricted stock shares and 838 time-based restricted stock shares, both at $0 per share as awards.
On February 2, 2026, 425 shares were withheld at $259.91 per share to cover tax liabilities related to vesting, as permitted under Rule 16b-3. After these transactions, she directly beneficially owned 20,210 shares of Clean Harbors common stock.
Clean Harbors (CLH) executive Robert W. Harrison, EVP EHS, reported equity compensation and related tax withholding transactions. On 02/01/2026 he received 1,003 shares as a performance-based restricted stock award that will vest 50% on 3/15/2028 and 50% on 3/15/2029, based on goals for the 2027 performance period.
He also received 430 shares as a time-based restricted stock award vesting 25% annually from February 1, 2027 through February 1, 2030. On 02/02/2026, 184 shares were withheld at $259.91 per share to cover tax liabilities from vesting. After these transactions, he directly owned 7,034 common shares.
Clean Harbors, Inc. co-CEO Eric W. Gerstenberg reported several equity compensation moves and related tax withholding. On February 1, 2026, he received 10,290 shares of performance-based restricted stock and 10,690 shares of time-based restricted stock at $0 per share. On February 2, 2026, 4,934 shares were withheld at $259.91 per share to cover tax liabilities tied to vesting. After these transactions, he directly held up to 66,500 shares of Clean Harbors common stock. The performance-based award is scheduled to vest in two equal parts in 2028 and 2029, subject to goal achievement, while the time-based award vests in four equal annual installments from 2027 through 2030.
Clean Harbors EVP Industrial Services Charles H. Geer II reported routine equity transactions in company common stock. On February 1, 2026, he received two stock awards: 1,843 shares as a performance-based restricted stock award and 503 shares as a time-vesting restricted stock award, both at no cash cost.
On February 2, 2026, 197 shares were withheld at $259.91 per share to cover tax liabilities related to vesting, as permitted under Rule 16b-3. After these transactions, he directly held 10,963 shares of Clean Harbors common stock.