Alan S. McKim, Executive Chairman and CTO of Clean Harbors Inc. (CLH), executed a significant sale of company stock. On March 4, 2026, McKim sold 100,000 shares of CLH at an average price of $292.65 per share, realizing approximately $29.27 million from the transaction.
This sale follows other recent insider transactions at Clean Harbors, including a prior sale of 100,000 shares by McKim on February 19, 2026, and additional sales by Director Eric W. Gerstenberg. Insider sales can be motivated by a variety of factors, such as portfolio diversification, tax planning, or adherence to pre-arranged trading plans, and do not inherently signal a negative view of the company's prospects.