Clean Harbors INC

Clean Harbors announces definitive agreement to acquire EnviroServe for $470 million, expanding its environmental services segment and anticipating significant cost synergies.

Clean Harbors announced record second-quarter 2026 financial results, with revenue up 12% to $1.74 billion and net income soaring 34% to $170.5 million, prompting an increase in full-year guidance.

Clean Harbors, Inc. reports final voting results from its 2026 Annual Meeting of Shareholders, confirming director elections and executive compensation approval.

Clean Harbors announces the upcoming retirement of its Founder and Executive Chairman, Alan S. McKim, as part of a planned leadership transition.

Clean Harbors announced the acquisition of Terra Nova Solutions for $225 million in an all-cash deal, aiming to expand its hazardous and non-hazardous waste services.

Clean Harbors announced record first-quarter 2026 revenue of $1.46 billion and raised its full-year guidance for Adjusted EBITDA and Adjusted Free Cash Flow.

Clean Harbors, Inc. announced robust financial performance for the second quarter and first half of 2026, driven by significant revenue growth in its Environmental Services and Safety-Kleen Sustainability Solutions segments.

Clean Harbors reports a 1.9% increase in total revenues to $1.46 billion for Q1 2026, with net income rising 7.7% to $63.2 million.

Clean Harbors reports increased Q3 2025 revenues and net income, driven by Environmental Services growth, alongside a significant debt refinancing initiative.

Clean Harbors, Inc. reported a slight decrease in total revenues and net income for the second quarter of 2025, driven by lower product sales in its Safety-Kleen Sustainability Solutions segment, despite growth in Environmental Services and improved adjusted free cash flow.

Clean Harbors' Q1 2025 shows revenue growth driven by acquisitions, but net income declines due to increased depreciation and amortization expenses.

Clean Harbors, Inc. announced a significant increase in revenue and net income for the third quarter of 2024, primarily driven by the Environmental Services segment.

Clean Harbors, a leading environmental and industrial services provider, announced positive financial results for 2024, highlighted by revenue growth and strong performance in its Environmental Services segment.

Clean Harbors, Inc. released its 2023 annual report on Form 10-K, highlighting its financial results, operational strategies, and commitment to sustainability.

Eric W Gerstenberg, CO-CEO of Clean Harbors Inc, sold 2,500 shares of common stock on August 14, 2026 for $321.34 per share.

Eric W Gerstenberg, CO-CEO of Clean Harbors Inc, reported a transaction in 564 shares of common stock on July 1, 2026.

Eric W Gerstenberg, CO-CEO of Clean Harbors Inc, sold 1,000 shares of common stock on March 18, 2026 for $293.00 per share.

Eric W Gerstenberg, CO-CEO of Clean Harbors Inc, reported multiple transactions in common stock on March 13, 2026.

Eric W Gerstenberg, CO-CEO of Clean Harbors Inc, sold 2,500 shares of common stock on February 23, 2026 for $279.86 per share.

Eric J. Dugas, EVP CHIEF FINANCIAL OFFICER of Clean Harbors Inc, reported a transaction in 447 shares of common stock on July 1, 2026.

Clean Harbors announces its 2026 Annual Meeting of Shareholders, scheduled for May 20, 2026, detailing director elections, executive compensation advisory vote, and auditor ratification.

Clean Harbors, Inc. has filed a definitive proxy statement with the SEC.

Clean Harbors will hold its 2025 annual meeting on May 21, 2025, to elect directors, conduct an advisory vote on executive compensation, and ratify the selection of Deloitte & Touche LLP as its independent accounting firm.

Clean Harbors, Inc. has filed a definitive proxy statement with the SEC.

Clean Harbors is asking shareholders to approve an Employee Stock Purchase Plan to attract, retain, and reward employees by allowing them to purchase company stock at a discount.

FMR LLC and Abigail P. Johnson have reported a combined beneficial ownership of 5.7% in Clean Harbors Inc. common stock as of June 30, 2026.

D1 Capital Partners L.P. and Daniel Sundheim have reported beneficial ownership of 2.5% of Clean Harbors Inc. common stock as of March 31, 2026.

The Vanguard Group reported a 0% beneficial ownership in Clean Harbors Inc. common stock following an internal realignment.

D1 Capital Partners L.P. and Daniel Sundheim have disclosed a 5.2% beneficial ownership stake in Clean Harbors Inc., totaling 2,781,882 shares.

Wellington Management Group LLP and its affiliates reported beneficial ownership of 9.7% of Clean Harbors, Inc. common stock as of December 31, 2025.

Wellington Management Group LLP and its affiliates have filed an amended Schedule 13G, reporting a passive beneficial ownership of 10.85% in Clean Harbors, Inc. common stock.