SEC Form 4 Filing for Eric W. Gerstenberg

This filing reports a disposition of 564 shares of Common Stock by Eric W. Gerstenberg, CO-CEO of CLEAN HARBORS INC, on July 1, 2026. The transaction, coded as "F", resulted in a sale at a price of $290.74 per share. This disposition was part of a net settlement to cover the tax liability incurred upon the vesting of securities, as indicated by footnote F1. Following this transaction, Mr. Gerstenberg directly owns 38,313 shares of Common Stock. The filing was made on July 6, 2026, under SEC document type 4.