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.
Stewart Shelley JR reported acquisition or exercise transactions in this Form 4 filing.
CLEAN HARBORS INC director Stewart Shelley Jr. reported a routine equity award. He received 652 shares of Common Stock as restricted stock granted for his service as a non-employee director.
The restricted stock vests 100% on the date of the next annual meeting of shareholders. Following this award, he directly holds 4,523 shares of Clean Harbors common stock. This was a compensation grant, not an open-market purchase.
States Lauren reported acquisition or exercise transactions in this Form 4 filing.
CLEAN HARBORS INC director Lauren States reported an award of 652 shares of common stock, received as restricted stock with no purchase price. The award vests 100% on the date of the next annual meeting of shareholders. Following this grant, States directly holds 12,148 common shares.
Robertson Andrea reported acquisition or exercise transactions in this Form 4 filing.
Clean Harbors director Andrea Robertson received a grant of 652 shares of common stock as compensation. The award was granted at no cash cost per share and is structured as restricted stock. These shares will vest 100% on the date of the company’s next annual meeting of shareholders.
Following this grant, Robertson directly holds a total of 9,768 shares of Clean Harbors common stock. This is a routine equity award to a non-employee director rather than an open-market purchase or sale.
Reed Marcy L. reported acquisition or exercise transactions in this Form 4 filing.
CLEAN HARBORS INC director Marcy L. Reed received a grant of 652 shares of common stock as restricted stock. The award carries no purchase price and was granted as compensation to a non-employee director. Following this grant, Reed directly holds a total of 5,733 shares of CLEAN HARBORS INC common stock. The restricted stock vests 100% on the date of the company's next annual meeting of shareholders, meaning full ownership transfers at that time if service conditions are met.
Quirk Alison A. reported acquisition or exercise transactions in this Form 4 filing.
Clean Harbors Inc. director Alison A. Quirk received an equity compensation grant of common stock. She was awarded 652 shares of restricted stock at no cash cost, which will vest in full on the date of the next annual meeting of shareholders. Following this award, she directly holds 3,630 shares of Clean Harbors common stock. This is a routine compensation-related grant to a non-employee director, not an open-market purchase or sale.
PRESTON JOHN T reported acquisition or exercise transactions in this Form 4 filing.
Clean Harbors Inc. director John T. Preston reported an equity compensation grant rather than an open-market trade. On May 20, 2026, he received an award of 652 shares of Common Stock as restricted stock, with no cash paid per share. According to the footnote, this award will vest 100% on the date of the next annual meeting of shareholders. Following the grant, Preston directly holds 7,044 shares of Clean Harbors common stock.
GALANTE EDWARD G reported acquisition or exercise transactions in this Form 4 filing.
Clean Harbors Inc. director Edward G. Galante received an award of 652 shares of restricted common stock on May 20, 2026 as a grant with no cash price per share. The award vests 100% on the date of the next annual meeting of shareholders. Following this grant, he holds 25,461 common shares directly.
Polito Karyn reported acquisition or exercise transactions in this Form 4 filing.
Clean Harbors director Karyn Polito received an equity grant of 652 shares of Common Stock as restricted stock, with no cash paid per share. The award was granted as compensation for service as a non-employee director and vests 100% on the date of the next annual meeting of shareholders. Following this grant, she directly holds 4,127 shares of Clean Harbors common stock.
Clean Harbors, Inc. reported the results of its 2026 Annual Meeting of Shareholders. As of the March 23, 2026 record date, 53,313,462 common shares were outstanding, and 50,078,328 shares were present or represented, establishing a quorum.
Shareholders elected four Class I directors — Edward G. Galante, Alison A. Quirk, Shelley Stewart, Jr., and John R. Welch — to serve until the 2029 annual meeting and until their successors are elected and qualified. Each director nominee received substantially more votes "for" than votes withheld.
On an advisory basis, shareholders approved the compensation of the company’s named executive officers, with 45,913,184 votes for, 2,642,421 against, and 16,190 abstentions, plus 1,506,533 broker non-votes. Shareholders also ratified Deloitte & Touche LLP as independent registered public accounting firm for the fiscal year ending December 31, 2026, with 47,766,968 votes for, 2,300,898 against, and 10,462 abstentions.
Clean Harbors, Inc. announced that Founder and Executive Chairman Alan S. McKim plans to retire from the Board and his role as Chief Technology Officer once the Board appoints a new Chairman. The company expects to name an independent Chair in the summer of 2026 as part of a planned leadership transition.
The company states that McKim’s decision does not result from any disagreement over operations, policies or practices. The accompanying press release highlights his role in building Clean Harbors into a leading environmental and industrial services provider with more than $6 billion in annual revenue.