4processed

Form 4 — Insider Transaction

CLEAN HARBORS INC(CLH)

Filing Date

June 1, 2026

Accepted

June 1, 2026

Accession No.

0002025402-26-000004

CIK

0000822818

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Diderich JeroenEVP&President of Sales&ServiceOther1.7K$28116.2KCommon StockJun 1, 2026