Clean Harbors Reports Second Quarter 2026 Financial Results and Operational Performance

Clean Harbors Discloses Mid-Year Earnings Update to Investors

Clean Harbors, Inc., a publicly traded environmental services and waste management company based in Norwell, Massachusetts, disclosed its financial results for the second quarter of 2026 ending June 30, 2026. The announcement was filed with the Securities and Exchange Commission on July 29, 2026, via official corporate disclosure channels. The company provided this update through a press release, a standard communication vehicle used to inform shareholders and market participants of quarterly operational and financial performance.

The announcement follows the company's regular reporting schedule, which requires public disclosure of quarterly performance metrics. As a NYSE-listed company trading under the ticker symbol CLH, Clean Harbors maintains ongoing disclosure obligations to shareholders and regulatory authorities. The filing represents the company's formal notification to investors regarding its mid-year financial condition and operational results. Eric J. Dugas, serving as Executive Vice President and Chief Financial Officer, authorized the filing on behalf of the company, confirming the accuracy and completeness of the disclosure.

Regulatory Framework for Clean Harbors' Quarterly Disclosures

Clean Harbors operates as a publicly traded corporation subject to the comprehensive disclosure requirements of the Securities Exchange Act of 1934. The company is incorporated in the state of Massachusetts under the jurisdiction of state corporate law and maintains its principal executive offices at 42 Longwater Drive in Norwell, Massachusetts. As a registered public company with the SEC under commission file number 001-34223, Clean Harbors must file periodic reports and current event disclosures that inform investors of material developments affecting the business.

The current disclosure filing was submitted pursuant to Section 13 of the Securities Exchange Act, which requires companies to provide timely updates on material events and financial results. The filing specifies that Clean Harbors is not an emerging growth company as defined under applicable securities regulations, meaning the company does not qualify for reduced disclosure or extended transition periods for accounting standards compliance. This classification places Clean Harbors within the standard regulatory framework applicable to mature, established public companies with full disclosure obligations to shareholders.

Clean Harbors' Market Position and Trading Information

Clean Harbors trades on the New York Stock Exchange under the ticker symbol CLH, making it accessible to institutional and individual investors through standard equity markets. The company issued common stock with a par value of $0.01 per share, which serves as the primary equity security traded publicly. The company's IRS Employer Identification Number is 04-2997780, which connects the business entity to its federal tax registration and regulatory standing with the Internal Revenue Service. These identifiers confirm the company's status as a legitimate, established public company with decades of operational history.

The July 29, 2026 announcement represents a periodic communication from the company to its shareholder base and the broader investment community. Clean Harbors maintains regular communication with investors through quarterly earnings announcements, annual reports, and periodic updates on significant corporate events. The company's headquarters in Norwell, Massachusetts, serves as the central location for executive management and principal business operations. Investors seeking to contact the company or obtain additional information may reference the company's primary telephone number listed in regulatory filings.

Content and Scope of the Second Quarter Financial Disclosure

The press release attached to this disclosure announcement contains the full financial results and operational metrics for the second quarter ended June 30, 2026. While the regulatory filing itself does not reproduce the detailed earnings figures, revenue performance, earnings per share, or segment-level results in narrative form, all such information is contained within the accompanying press release document. The company did not disclose specific financial metrics, guidance revisions, or management commentary directly within the form filing itself, instead incorporating this information by reference through the press release exhibit.

Investors seeking comprehensive details regarding Clean Harbors' second quarter performance, including revenue by business segment, operating margins, cash flow metrics, and management's forward-looking commentary, should review the full text of the press release. The structure of this disclosure—combining a brief regulatory form with a detailed press release—represents standard practice among publicly traded companies. This approach ensures that material information reaches shareholders simultaneously through both official SEC channels and company communications vehicles, providing transparency and equal access to financial and operational data across the investor base.

Executive Sign-Off and Financial Officer Responsibility

Eric J. Dugas, identified in the filing as Executive Vice President and Chief Financial Officer of Clean Harbors, executed the official signature block on the disclosure on July 29, 2026. As CFO, Dugas holds responsibility for the accuracy and completeness of the company's financial reporting and regulatory disclosures. The presence of the CFO's authorized signature confirms that the announcement has been reviewed and approved by senior financial management before submission to the SEC, providing investors with assurance that disclosure controls and procedures have been applied appropriately.

The role of the Chief Financial Officer in authorizing quarterly disclosures reflects corporate governance best practices and regulatory expectations. By signing the filing, the CFO attests to the company's adherence to disclosure standards and the reliability of information presented to shareholders. This practice, while routine, serves as an important control mechanism in the disclosure process and reinforces management's accountability for the accuracy of financial and operational information provided to the investing public and regulatory authorities.

Integration of Press Release Material into Regulatory Filing

Clean Harbors incorporated the press release containing second quarter results as Exhibit 99.1 to the current report filing. This exhibit serves as the substantive component of the earnings announcement, containing financial metrics, operational highlights, and management commentary regarding the company's performance during the quarter. The filing also includes the iXBRL-formatted cover page as required by SEC regulations, ensuring that the disclosure conforms to modern data standardization requirements designed to enhance the accessibility and machine-readability of financial information.

The two-document structure—combining the regulatory form with the press release exhibit—reflects how many large public companies manage simultaneous disclosure obligations. The form itself provides the formal certifications and regulatory confirmations, while the press release supplies the narrative explanation, financial details, and management perspective on operating results. This approach ensures that all material information is filed with the SEC and made publicly available through the EDGAR database, while also allowing the company to communicate directly with investors, media, and analysts through the press release format that has become standard in financial communications.

Timing and Sequence of the Disclosure Announcement

The disclosure was filed on July 29, 2026, the same date as the earliest event reported in the current report. This simultaneous timing indicates that the announcement of second quarter results occurred on this single date, with the regulatory filing and press release released together as part of the company's coordinated earnings announcement strategy. Clean Harbors followed standard market practice by releasing financial results on a specific date rather than staggering disclosures over multiple days, ensuring that all market participants receive information simultaneously.

The second quarter period covered by the earnings announcement ended on June 30, 2026, representing the standard mid-year reporting window for companies operating on a calendar-year basis. The timing of the July 29 announcement reflects a typical lag of approximately one month between quarter-end and financial results publication, allowing management adequate time to complete financial close procedures, audit coordination, and earnings communication preparation. This timeline aligns with customary practices across the environmental services and waste management industries, where similar-sized publicly traded companies typically announce quarterly results within similar timeframes.

Regulatory Classification and Disclosure Status

Clean Harbors confirmed in this filing that it does not qualify as an emerging growth company under applicable securities regulations. This classification means the company operates under the full disclosure framework applicable to mature, established public companies rather than under reduced or scaled disclosure requirements. The company has not elected to use extended transition periods for compliance with new or revised financial accounting standards, confirming its commitment to timely adoption of accounting pronouncements as they become effective.

The regulatory classification status affects the scope and timing of disclosures Clean Harbors must provide to shareholders and the SEC. Unlike emerging growth companies that may qualify for phased implementation periods or scaled disclosure alternatives, Clean Harbors applies full accounting standards compliance and comprehensive disclosure requirements immediately upon effectiveness. This status reflects the company's mature position in the marketplace and its substantial market capitalization and investor base, characteristics typical of established industrial services companies with decades of operational history.

Investor Access to Complete Second Quarter Information

Investors seeking comprehensive details regarding Clean Harbors' second quarter 2026 financial performance should access the full press release attached to this disclosure filing through the SEC's EDGAR database or through the company's investor relations channels. The press release, referenced as Exhibit 99.1 in the regulatory filing, contains all material financial metrics, segment performance data, and management commentary regarding operational results and outlook. The company did not disclose specific revenue figures, earnings per share, operating margin percentages, or guidance revisions within the body of the form filing itself, reserving such detailed information for presentation in the press release document.

The accompanying iXBRL-formatted cover page provides regulatory metadata and official certifications required under SEC rules but does not contain narrative financial information. Investors and analysts conducting research on Clean Harbors' second quarter performance must review the press release exhibit to obtain the detailed quantitative and qualitative information necessary for investment analysis. This structured approach to disclosure—combining regulatory compliance filings with detailed earnings announcements—represents standard practice across publicly traded companies and ensures that all relevant information reaches investors through coordinated, transparent channels.