SEC Filing Summary

This filing details a transaction by Charles H. Geer II, EVP of Industrial Services at CLEAN HARBORS INC. On March 13, 2026, 139 shares of Common Stock were disposed of with a transaction price of $0.00. This disposal was due to forfeiture resulting from the company not achieving performance targets under its Long Term Equity Incentive Program. Following this transaction, Mr. Geer owns 10,839 shares. The filing also notes that 15 shares were acquired under the Clean Harbors Employee Stock Purchase Plan.