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 EVP/CIO (CHESI) Gabriel M. Sharon reported routine non-market share dispositions related to equity compensation. On March 13, 2026, 727 shares of common stock were withheld at $288.93 per share to cover tax liabilities upon vesting, as permitted under Rule 16b-3.
On the same date, an additional 1,401 shares of restricted stock were forfeited back to the company at $0.00 because the company did not achieve performance targets under its Long Term Equity Incentive Program. After these actions, Sharon directly holds 21,065 shares of CLEAN HARBORS common stock.
CLEAN HARBORS INC co-CEO Eric W. Gerstenberg reported routine compensation-related share dispositions. On March 13, 2026, 977 shares of common stock were withheld to cover tax liabilities upon vesting. On the same date, 2,166 shares of restricted stock were forfeited because the company did not achieve performance targets under its Long Term Equity Incentive Program. After these transactions, Gerstenberg directly owned 39,877 shares of common stock.
Clean Harbors Inc. executive and 10% owner reported routine share reductions tied to compensation on 03/13/2026. The EVP, EHS had 18 shares of common stock withheld at $288.93 per share to cover tax liabilities when equity vested, and 368 restricted shares were forfeited because performance targets under the Long Term Equity Incentive Program were not met. Following these dispositions, the reporting person directly owned 6,648 shares of common stock.
Clean Harbors executive Charles H. Geer II reported a small forfeiture of restricted stock after the company did not achieve certain performance targets under its Long Term Equity Incentive Program. He disposed of 139 shares back to the issuer and now directly holds 10,839 common shares, including 15 acquired through the employee stock purchase plan.
Clean Harbors EVP and CFO Eric J. Dugas reported two non-market share dispositions tied to equity compensation. On 2026-03-13, 630 shares of common stock were withheld at $288.93 per share to cover tax obligations upon vesting, as described in a footnote. On the same date, 1,324 shares of restricted stock were forfeited back to the company at $0.00 because performance targets under its Long Term Equity Incentive Program were not achieved. After these entries, he directly holds 13,979 common shares.
Clean Harbors executive George L. Curtis reported routine share dispositions tied to compensation events. On March 13, 2026, 350 shares of Common Stock were withheld at $288.93 per share to satisfy tax obligations upon vesting. The same day, 1,028 restricted shares were returned to the company at $0.00 after performance targets under its Long Term Equity Incentive Program were not achieved. Following these transactions, Curtis directly holds 46,048 Common Stock shares, which include 11 shares acquired through the Clean Harbors Employee Stock Purchase Plan.
Clean Harbors executive chair and CTO Alan S. McKim reported a routine tax-related share withholding on Common Stock. On March 13, 2026, 1,265 shares were withheld at $288.93 per share to cover tax liabilities upon vesting under Rule 16b-3.
After this transaction, McKim held 32,762 shares directly. He also reported indirect holdings of 67,093 shares through the McKim 2025 Annuity Trust, 100,000 shares through the McKim 2026 Annuity Trust, and 2,065,368 shares through the McKim 2007 Trust.
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.