Trade Summary

Yesterday, Weber Brian P, serving as EVP (CHESI) at Clean Harbors Inc (CLH), sold 4,683 shares at $293.39 per share, for a total transaction value of $1,373,945.00. Following this transaction, Weber Brian P now holds 48,728 shares of CLH.

This sale represents a 9.00% decrease in Weber Brian P's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, March 17, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, March 17, 2026, meaning the disclosure happened on the same day as the trade.

Clean Harbors Inc operates in the INDUSTRIALS sector, specifically within the WASTE MANAGEMENT industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.