4processed

Form 4 — Insider Transaction

CLEAN HARBORS INC(CLH)

Filing Date

May 20, 2026

Accepted

May 20, 2026

Accession No.

0001883932-26-000005

CIK

0000822818

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Reed Marcy L.Other652$05.7KCommon StockMay 20, 2026