Clean Harbors co-CEO Gerstenberg sells $699,650 in stock

Eric W. Gerstenberg, Co-CEO of Clean Harbors Inc. (CLH), disposed of common stock totaling $699,650 on February 23, 2026, according to a recent SEC filing.

The transaction involved the sale of 2,500 shares at a price of $279.86 per share. Following this sale, Mr. Gerstenberg directly holds 64,000 shares of Clean Harbors common stock, a figure that reflects a correction to the total number of shares held. The stock has since appreciated to $321.98, representing a gain of over 15% from the sale price, with shares up 37% year-to-date and 32% over the past year.According to InvestingPro analysis, Clean Harbors currently appears overvalued relative to its Fair Value estimate, trading at a P/E ratio of 38.88. Still, InvestingPro data reveals that 12 analysts have revised their earnings upwards for the upcoming period, one of 11 ProTips available to subscribers.

This report details changes in beneficial ownership for the executive at the environmental and industrial services company.

In other recent news, Clean Harbors has seen a series of positive developments regarding its financial performance and analyst outlooks. The company reported second-quarter revenue growth of 12%, outperforming the Street estimate of 5.9%, with an adjusted EBITDA increase of 22%, exceeding the consensus estimate of 9.7%. This strong performance led several analysts to raise their price targets for Clean Harbors. Needham increased its target to $390, citing the robust second-quarter results and improved 2026 guidance. BofA Securities also raised its target to $377, highlighting the company’s strong margins and raised fiscal 2026 outlook.

Oppenheimer adjusted its price target to $350, noting the company’s second-quarter results beat consensus estimates and prompted an increase in full-year 2026 guidance. Stifel maintained a Buy rating and raised its target to $364, emphasizing the company’s strong fundamentals. Additionally, Raymond James set a new target of $375, maintaining a Strong Buy rating due to solid industry trends. These updates reflect the overall positive sentiment among analysts regarding Clean Harbors’ recent performance and future prospects.